id	sid	tid	token	lemma	pos
45179	1	1	generously	generously	RB
45179	1	2	made	make	VBN
45179	1	3	available	available	JJ
45179	1	4	by	by	IN
45179	1	5	The	the	DT
45179	1	6	Internet	Internet	NNP
45179	1	7	Archive	Archive	NNP
45179	1	8	/	/	SYM
45179	1	9	American	American	NNP
45179	1	10	Libraries	Libraries	NNPS
45179	1	11	.	.	.
45179	1	12	)	)	-RRB-
45179	2	1	Transcriber	Transcriber	NNP
45179	2	2	's	's	POS
45179	2	3	Note	note	NN
45179	2	4	:	:	:
45179	2	5	Minor	minor	JJ
45179	2	6	typographical	typographical	JJ
45179	2	7	errors	error	NNS
45179	2	8	have	have	VBP
45179	2	9	been	be	VBN
45179	2	10	corrected	correct	VBN
45179	2	11	without	without	IN
45179	2	12	note	note	NN
45179	2	13	.	.	.
45179	3	1	Irregularities	irregularity	NNS
45179	3	2	and	and	CC
45179	3	3	inconsistencies	inconsistency	NNS
45179	3	4	in	in	IN
45179	3	5	the	the	DT
45179	3	6	text	text	NN
45179	3	7	have	have	VBP
45179	3	8	been	be	VBN
45179	3	9	retained	retain	VBN
45179	3	10	as	as	IN
45179	3	11	printed	print	VBN
45179	3	12	.	.	.
45179	4	1	Words	word	NNS
45179	4	2	printed	print	VBN
45179	4	3	in	in	IN
45179	4	4	italics	italic	NNS
45179	4	5	are	be	VBP
45179	4	6	marked	mark	VBN
45179	4	7	with	with	IN
45179	4	8	underscores	underscore	NNS
45179	4	9	:	:	:
45179	4	10	_	_	NNP
45179	4	11	italics	italic	NNS
45179	4	12	_	_	NNP
45179	4	13	.	.	.
45179	5	1	Words	word	NNS
45179	5	2	printed	print	VBN
45179	5	3	in	in	IN
45179	5	4	bold	bold	JJ
45179	5	5	are	be	VBP
45179	5	6	marked	mark	VBN
45179	5	7	with	with	IN
45179	5	8	tildes	tilde	NNS
45179	5	9	:	:	:
45179	5	10	~bold~.	~bold~.	.
45179	6	1	A	a	DT
45179	6	2	caret	caret	NN
45179	6	3	(	(	-LRB-
45179	6	4	^	^	NN
45179	6	5	)	)	-RRB-
45179	6	6	is	be	VBZ
45179	6	7	used	use	VBN
45179	6	8	to	to	TO
45179	6	9	indicate	indicate	VB
45179	6	10	that	that	IN
45179	6	11	the	the	DT
45179	6	12	following	follow	VBG
45179	6	13	character	character	NN
45179	6	14	is	be	VBZ
45179	6	15	printed	print	VBN
45179	6	16	as	as	IN
45179	6	17	a	a	DT
45179	6	18	superscript	superscript	NN
45179	6	19	.	.	.
45179	7	1	[	[	-LRB-
45179	7	2	Illustration	illustration	NN
45179	7	3	:	:	:
45179	7	4	Photograph	Photograph	NNP
45179	7	5	and	and	CC
45179	7	6	written	write	VBN
45179	7	7	signature	signature	NN
45179	7	8	of	of	IN
45179	7	9	William	William	NNP
45179	7	10	Robinson	Robinson	NNP
45179	7	11	]	]	-RRB-
45179	7	12	THE	the	DT
45179	7	13	INVENTION	INVENTION	NNP
45179	7	14	OF	of	IN
45179	7	15	THE	the	DT
45179	7	16	TRACK	TRACK	NNS
45179	7	17	CIRCUIT	circuit	VBP
45179	7	18	THE	the	DT
45179	7	19	HISTORY	HISTORY	NNP
45179	7	20	OF	of	IN
45179	7	21	DR	DR	NNP
45179	7	22	.	.	.
45179	7	23	WILLIAM	WILLIAM	NNP
45179	7	24	ROBINSON	ROBINSON	NNP
45179	7	25	'S	be	VBZ
45179	7	26	INVENTION	INVENTION	NNP
45179	7	27	OF	of	IN
45179	7	28	THE	the	DT
45179	7	29	TRACK	track	NN
45179	7	30	CIRCUIT	circuit	VBP
45179	7	31	THE	the	DT
45179	7	32	FUNDAMENTAL	FUNDAMENTAL	NNP
45179	7	33	UNIT	unit	NN
45179	7	34	WHICH	which	WDT
45179	7	35	MADE	make	VBD
45179	7	36	POSSIBLE	POSSIBLE	NNS
45179	7	37	OUR	our	PRP$
45179	7	38	PRESENT	present	JJ
45179	7	39	AUTOMATIC	automatic	JJ
45179	7	40	BLOCK	block	NN
45179	7	41	SIGNALING	signaling	NN
45179	7	42	AND	and	CC
45179	7	43	INTERLOCKING	INTERLOCKING	NNP
45179	7	44	SYSTEMS	SYSTEMS	NNP
45179	7	45	SIGNAL	SIGNAL	NNP
45179	7	46	SECTION	section	NN
45179	7	47	AMERICAN	AMERICAN	NNP
45179	7	48	RAILWAY	RAILWAY	NNP
45179	7	49	ASSOCIATION	ASSOCIATION	NNP
45179	7	50	NEW	NEW	NNP
45179	7	51	YORK	YORK	NNP
45179	7	52	1922	1922	CD
45179	7	53	PREFACE	PREFACE	NNP
45179	7	54	Believing	believe	VBG
45179	7	55	that	that	IN
45179	7	56	no	no	DT
45179	7	57	more	more	RBR
45179	7	58	fitting	fitting	JJ
45179	7	59	memorial	memorial	NN
45179	7	60	can	can	MD
45179	7	61	be	be	VB
45179	7	62	prepared	prepare	VBN
45179	7	63	in	in	IN
45179	7	64	honor	honor	NN
45179	7	65	of	of	IN
45179	7	66	Dr.	Dr.	NNP
45179	7	67	William	William	NNP
45179	7	68	Robinson	Robinson	NNP
45179	7	69	than	than	IN
45179	7	70	to	to	TO
45179	7	71	reproduce	reproduce	VB
45179	7	72	the	the	DT
45179	7	73	salient	salient	NN
45179	7	74	points	point	NNS
45179	7	75	relating	relate	VBG
45179	7	76	to	to	IN
45179	7	77	his	-PRON-	PRP$
45179	7	78	great	great	JJ
45179	7	79	achievement	achievement	NN
45179	7	80	as	as	IN
45179	7	81	written	write	VBN
45179	7	82	and	and	CC
45179	7	83	published	publish	VBN
45179	7	84	by	by	IN
45179	7	85	himself	-PRON-	PRP
45179	7	86	in	in	IN
45179	7	87	1906	1906	CD
45179	7	88	under	under	IN
45179	7	89	the	the	DT
45179	7	90	title	title	NN
45179	7	91	of	of	IN
45179	7	92	"	"	``
45179	7	93	History	History	NNP
45179	7	94	of	of	IN
45179	7	95	Automatic	Automatic	NNP
45179	7	96	Electric	Electric	NNP
45179	7	97	and	and	CC
45179	7	98	Electrically	electrically	RB
45179	7	99	Controlled	control	VBN
45179	7	100	Fluid	Fluid	NNP
45179	7	101	Pressure	Pressure	NNP
45179	7	102	Signal	Signal	NNP
45179	7	103	Systems	Systems	NNPS
45179	7	104	for	for	IN
45179	7	105	Railroads	railroad	NNS
45179	7	106	,	,	,
45179	7	107	"	"	''
45179	7	108	the	the	DT
45179	7	109	committee	committee	NN
45179	7	110	has	have	VBZ
45179	7	111	accordingly	accordingly	RB
45179	7	112	drawn	draw	VBN
45179	7	113	largely	largely	RB
45179	7	114	from	from	IN
45179	7	115	this	this	DT
45179	7	116	pamphlet	pamphlet	NN
45179	7	117	for	for	IN
45179	7	118	the	the	DT
45179	7	119	material	material	NN
45179	7	120	contained	contain	VBN
45179	7	121	in	in	IN
45179	7	122	Part	Part	NNP
45179	7	123	I.	I.	NNP
45179	8	1	Part	Part	NNP
45179	8	2	II	II	NNP
45179	8	3	is	be	VBZ
45179	8	4	devoted	devote	VBN
45179	8	5	to	to	IN
45179	8	6	W.	W.	NNP
45179	8	7	A.	A.	NNP
45179	8	8	Baldwin	Baldwin	NNP
45179	8	9	,	,	,
45179	8	10	formerly	formerly	RB
45179	8	11	General	General	NNP
45179	8	12	Superintendent	Superintendent	NNP
45179	8	13	of	of	IN
45179	8	14	the	the	DT
45179	8	15	Pennsylvania	Pennsylvania	NNP
45179	8	16	Railroad	Railroad	NNP
45179	8	17	,	,	,
45179	8	18	who	who	WP
45179	8	19	was	be	VBD
45179	8	20	responsible	responsible	JJ
45179	8	21	for	for	IN
45179	8	22	the	the	DT
45179	8	23	first	first	JJ
45179	8	24	installations	installation	NNS
45179	8	25	of	of	IN
45179	8	26	automatic	automatic	JJ
45179	8	27	block	block	NN
45179	8	28	signals	signal	NNS
45179	8	29	controlled	control	VBN
45179	8	30	by	by	IN
45179	8	31	track	track	NN
45179	8	32	circuits	circuit	NNS
45179	8	33	.	.	.
45179	9	1	As	as	IN
45179	9	2	this	this	DT
45179	9	3	memorial	memorial	NN
45179	9	4	would	would	MD
45179	9	5	not	not	RB
45179	9	6	be	be	VB
45179	9	7	complete	complete	JJ
45179	9	8	without	without	IN
45179	9	9	a	a	DT
45179	9	10	description	description	NN
45179	9	11	of	of	IN
45179	9	12	the	the	DT
45179	9	13	track	track	NN
45179	9	14	circuit	circuit	NNP
45179	9	15	,	,	,
45179	9	16	its	-PRON-	PRP$
45179	9	17	principle	principle	NN
45179	9	18	and	and	CC
45179	9	19	operation	operation	NN
45179	9	20	under	under	IN
45179	9	21	present	present	JJ
45179	9	22	day	day	NN
45179	9	23	signaling	signal	VBG
45179	9	24	practices	practice	NNS
45179	9	25	,	,	,
45179	9	26	Part	Part	NNP
45179	9	27	III	III	NNP
45179	9	28	is	be	VBZ
45179	9	29	accordingly	accordingly	RB
45179	9	30	devoted	devoted	JJ
45179	9	31	to	to	IN
45179	9	32	this	this	DT
45179	9	33	subject	subject	NN
45179	9	34	.	.	.
45179	10	1	HERBERT	HERBERT	NNP
45179	10	2	S.	S.	NNP
45179	10	3	BALLIET	BALLIET	NNP
45179	10	4	,	,	,
45179	10	5	_	_	NNP
45179	10	6	Chairman	Chairman	NNP
45179	10	7	_	_	NNP
45179	10	8	;	;	:
45179	10	9	KEITH	KEITH	NNP
45179	10	10	E.	E.	NNP
45179	10	11	KELLENBERGER	KELLENBERGER	NNP
45179	10	12	,	,	,
45179	10	13	HENRY	HENRY	NNP
45179	10	14	M.	M.	NNP
45179	10	15	SPERRY	SPERRY	NNP
45179	10	16	,	,	,
45179	10	17	_	_	NNP
45179	10	18	Committee	Committee	NNP
45179	10	19	_	_	NNP
45179	10	20	.	.	.
45179	11	1	CONTENTS	content	NNS
45179	11	2	RESOLUTION	resolution	NN
45179	11	3	1	1	CD
45179	11	4	I	-PRON-	PRP
45179	11	5	THE	the	DT
45179	11	6	INVENTION	INVENTION	NNP
45179	11	7	OF	of	IN
45179	11	8	THE	the	DT
45179	11	9	TRACK	TRACK	NNP
45179	11	10	CIRCUIT	CIRCUIT	NNP
45179	11	11	3	3	CD
45179	11	12	Robinson	Robinson	NNP
45179	11	13	's	's	POS
45179	11	14	Patent	Patent	NNP
45179	11	15	42	42	CD
45179	11	16	Robinson	Robinson	NNP
45179	11	17	's	's	POS
45179	11	18	Description	description	NN
45179	11	19	of	of	IN
45179	11	20	His	-PRON-	PRP$
45179	11	21	Invention	invention	NN
45179	11	22	50	50	CD
45179	11	23	Dr.	Dr.	NNP
45179	11	24	Robinson	Robinson	NNP
45179	11	25	's	's	POS
45179	11	26	Record	Record	NNP
45179	11	27	,	,	,
45179	11	28	Wesleyan	Wesleyan	NNP
45179	11	29	University	University	NNP
45179	11	30	59	59	CD
45179	11	31	Dr.	Dr.	NNP
45179	11	32	Robinson	Robinson	NNP
45179	11	33	's	's	POS
45179	11	34	Record	Record	NNP
45179	11	35	,	,	,
45179	11	36	A.I.E.E.	a.i.e.e.	NN
45179	12	1	60	60	CD
45179	12	2	II	ii	NN
45179	12	3	WILLIAM	WILLIAM	NNS
45179	12	4	A.	a.	NN
45179	12	5	BALDWIN	baldwin	NN
45179	12	6	68	68	CD
45179	12	7	III	iii	CD
45179	12	8	THE	the	DT
45179	12	9	TRACK	track	NN
45179	12	10	CIRCUIT	circuit	NN
45179	12	11	76	76	CD
45179	12	12	Its	-PRON-	PRP$
45179	12	13	Principle	principle	NN
45179	12	14	77	77	CD
45179	12	15	Its	-PRON-	PRP$
45179	12	16	Characteristics	Characteristics	NNP
45179	12	17	85	85	CD
45179	12	18	The	the	DT
45179	12	19	Extent	extent	NN
45179	12	20	of	of	IN
45179	12	21	its	-PRON-	PRP$
45179	12	22	Use	Use	NNP
45179	12	23	98	98	CD
45179	12	24	IV	IV	NNP
45179	12	25	THE	the	DT
45179	12	26	TRACK	track	NN
45179	12	27	CIRCUIT	circuit	NN
45179	12	28	IN	in	IN
45179	12	29	GREAT	great	JJ
45179	12	30	BRITAIN	BRITAIN	NNP
45179	12	31	AND	and	CC
45179	12	32	ON	on	IN
45179	12	33	THE	the	DT
45179	12	34	CONTINENT	CONTINENT	NNP
45179	12	35	,	,	,
45179	12	36	BY	BY	NNP
45179	12	37	T.	T.	NNP
45179	12	38	S.	S.	NNP
45179	12	39	LASCELLES	lascelle	NNS
45179	12	40	103	103	CD
45179	12	41	Some	some	DT
45179	12	42	of	of	IN
45179	12	43	the	the	DT
45179	12	44	First	First	NNP
45179	12	45	Installations	Installations	NNPS
45179	12	46	106	106	CD
45179	12	47	Track	Track	NNP
45179	12	48	Circuits	circuit	NNS
45179	12	49	on	on	IN
45179	12	50	the	the	DT
45179	12	51	Continent	continent	NN
45179	12	52	109	109	CD
45179	12	53	THE	the	DT
45179	12	54	TRACK	track	NN
45179	12	55	CIRCUIT[1	circuit[1	NN
45179	12	56	]	]	-RRB-
45179	12	57	"	"	``
45179	12	58	Perhaps	perhaps	RB
45179	12	59	no	no	DT
45179	12	60	single	single	JJ
45179	12	61	invention	invention	NN
45179	12	62	in	in	IN
45179	12	63	the	the	DT
45179	12	64	history	history	NN
45179	12	65	of	of	IN
45179	12	66	the	the	DT
45179	12	67	development	development	NN
45179	12	68	of	of	IN
45179	12	69	railway	railway	NN
45179	12	70	transportation	transportation	NN
45179	12	71	has	have	VBZ
45179	12	72	contributed	contribute	VBN
45179	12	73	more	more	RBR
45179	12	74	toward	toward	IN
45179	12	75	safety	safety	NN
45179	12	76	and	and	CC
45179	12	77	despatch	despatch	NN
45179	12	78	in	in	IN
45179	12	79	that	that	DT
45179	12	80	field	field	NN
45179	12	81	than	than	IN
45179	12	82	the	the	DT
45179	12	83	track	track	NN
45179	12	84	circuit	circuit	NN
45179	12	85	.	.	.
45179	13	1	By	by	IN
45179	13	2	this	this	DT
45179	13	3	invention	invention	NN
45179	13	4	,	,	,
45179	13	5	simple	simple	JJ
45179	13	6	in	in	IN
45179	13	7	itself	-PRON-	PRP
45179	13	8	,	,	,
45179	13	9	the	the	DT
45179	13	10	foundation	foundation	NN
45179	13	11	was	be	VBD
45179	13	12	obtained	obtain	VBN
45179	13	13	for	for	IN
45179	13	14	the	the	DT
45179	13	15	development	development	NN
45179	13	16	of	of	IN
45179	13	17	practically	practically	RB
45179	13	18	every	every	DT
45179	13	19	one	one	CD
45179	13	20	of	of	IN
45179	13	21	the	the	DT
45179	13	22	intricate	intricate	JJ
45179	13	23	systems	system	NNS
45179	13	24	of	of	IN
45179	13	25	railway	railway	NN
45179	13	26	block	block	NN
45179	13	27	signaling	signal	VBG
45179	13	28	in	in	IN
45179	13	29	use	use	NN
45179	13	30	today	today	NN
45179	13	31	wherein	wherein	WRB
45179	13	32	the	the	DT
45179	13	33	train	train	NN
45179	13	34	is	be	VBZ
45179	13	35	,	,	,
45179	13	36	under	under	IN
45179	13	37	all	all	DT
45179	13	38	conditions	condition	NNS
45179	13	39	,	,	,
45179	13	40	_	_	NNP
45179	13	41	continuously	continuously	RB
45179	13	42	active	active	JJ
45179	13	43	_	_	NNP
45179	13	44	in	in	IN
45179	13	45	maintaining	maintain	VBG
45179	13	46	its	-PRON-	PRP$
45179	13	47	own	own	JJ
45179	13	48	protection	protection	NN
45179	13	49	.	.	.
45179	14	1	"	"	``
45179	14	2	In	in	IN
45179	14	3	other	other	JJ
45179	14	4	words	word	NNS
45179	14	5	,	,	,
45179	14	6	the	the	DT
45179	14	7	track	track	NN
45179	14	8	circuit	circuit	NN
45179	14	9	is	be	VBZ
45179	14	10	today	today	NN
45179	14	11	the	the	DT
45179	14	12	only	only	JJ
45179	14	13	medium	medium	NN
45179	14	14	recognized	recognize	VBN
45179	14	15	as	as	IN
45179	14	16	fundamentally	fundamentally	RB
45179	14	17	safe	safe	JJ
45179	14	18	by	by	IN
45179	14	19	experts	expert	NNS
45179	14	20	in	in	IN
45179	14	21	railway	railway	NN
45179	14	22	signaling	signaling	NN
45179	14	23	whereby	whereby	WRB
45179	14	24	_	_	NNP
45179	14	25	a	a	DT
45179	14	26	train	train	NN
45179	14	27	or	or	CC
45179	14	28	any	any	DT
45179	14	29	part	part	NN
45179	14	30	thereof	thereof	RB
45179	14	31	may	may	MD
45179	14	32	retain	retain	VB
45179	14	33	continuous	continuous	JJ
45179	14	34	and	and	CC
45179	14	35	direct	direct	JJ
45179	14	36	control	control	NN
45179	14	37	of	of	IN
45179	14	38	a	a	DT
45179	14	39	block	block	NN
45179	14	40	signal	signal	NN
45179	14	41	while	while	IN
45179	14	42	occupying	occupy	VBG
45179	14	43	any	any	DT
45179	14	44	portion	portion	NN
45179	14	45	of	of	IN
45179	14	46	the	the	DT
45179	14	47	track	track	NN
45179	14	48	guarded	guard	VBN
45179	14	49	by	by	IN
45179	14	50	the	the	DT
45179	14	51	signal	signal	NNP
45179	14	52	_	_	NNP
45179	14	53	.	.	.
45179	14	54	"	"	''
45179	15	1	[	[	-LRB-
45179	15	2	1	1	LS
45179	15	3	]	]	-RRB-
45179	15	4	From	from	IN
45179	15	5	the	the	DT
45179	15	6	Third	Third	NNP
45179	15	7	Annual	Annual	NNP
45179	15	8	Report	Report	NNP
45179	15	9	of	of	IN
45179	15	10	_	_	NNP
45179	15	11	The	the	DT
45179	15	12	Block	Block	NNP
45179	15	13	Signal	Signal	NNP
45179	15	14	and	and	CC
45179	15	15	Train	Train	NNP
45179	15	16	Control	Control	NNP
45179	15	17	Board	Board	NNP
45179	15	18	to	to	IN
45179	15	19	the	the	DT
45179	15	20	Interstate	Interstate	NNP
45179	15	21	Commerce	Commerce	NNP
45179	15	22	Commission	Commission	NNP
45179	15	23	_	_	NNP
45179	15	24	.	.	.
45179	16	1	Dated	Dated	NNP
45179	16	2	Nov.	November	NNP
45179	16	3	22	22	CD
45179	16	4	,	,	,
45179	16	5	1910	1910	CD
45179	16	6	.	.	.
45179	17	1	Resolution	resolution	NN
45179	17	2	Adopted	adopt	VBN
45179	17	3	at	at	IN
45179	17	4	Annual	Annual	NNP
45179	17	5	Meeting	Meeting	NNP
45179	17	6	of	of	IN
45179	17	7	Signal	Signal	NNP
45179	17	8	Section	Section	NNP
45179	17	9	,	,	,
45179	17	10	A.R.A.	A.R.A.	NNP
45179	18	1	Chicago	Chicago	NNP
45179	18	2	,	,	,
45179	18	3	June	June	NNP
45179	18	4	,	,	,
45179	18	5	1921	1921	CD
45179	18	6	WHEREAS	WHEREAS	NNP
45179	18	7	,	,	,
45179	18	8	Almighty	Almighty	NNP
45179	18	9	God	God	NNP
45179	18	10	,	,	,
45179	18	11	in	in	IN
45179	18	12	the	the	DT
45179	18	13	exercise	exercise	NN
45179	18	14	of	of	IN
45179	18	15	His	-PRON-	PRP$
45179	18	16	Divine	Divine	NNP
45179	18	17	will	will	NN
45179	18	18	,	,	,
45179	18	19	has	have	VBZ
45179	18	20	removed	remove	VBN
45179	18	21	from	from	IN
45179	18	22	this	this	DT
45179	18	23	world	world	NN
45179	18	24	our	-PRON-	PRP$
45179	18	25	late	late	JJ
45179	18	26	honorary	honorary	JJ
45179	18	27	member	member	NN
45179	18	28	,	,	,
45179	18	29	Dr.	Dr.	NNP
45179	18	30	William	William	NNP
45179	18	31	Robinson	Robinson	NNP
45179	18	32	,	,	,
45179	18	33	and	and	CC
45179	18	34	,	,	,
45179	18	35	WHEREAS	WHEREAS	NNP
45179	18	36	,	,	,
45179	18	37	Dr.	Dr.	NNP
45179	18	38	Robinson	Robinson	NNP
45179	18	39	,	,	,
45179	18	40	well	well	RB
45179	18	41	called	call	VBD
45179	18	42	the	the	DT
45179	18	43	"	"	``
45179	18	44	father	father	NN
45179	18	45	of	of	IN
45179	18	46	automatic	automatic	JJ
45179	18	47	block	block	NN
45179	18	48	signaling	signal	VBG
45179	18	49	"	"	``
45179	18	50	because	because	IN
45179	18	51	of	of	IN
45179	18	52	his	-PRON-	PRP$
45179	18	53	basic	basic	JJ
45179	18	54	invention	invention	NN
45179	18	55	of	of	IN
45179	18	56	the	the	DT
45179	18	57	closed	closed	JJ
45179	18	58	track	track	NN
45179	18	59	circuit	circuit	NN
45179	18	60	August	August	NNP
45179	18	61	20	20	CD
45179	18	62	,	,	,
45179	18	63	1872	1872	CD
45179	18	64	,	,	,
45179	18	65	began	begin	VBD
45179	18	66	the	the	DT
45179	18	67	development	development	NN
45179	18	68	of	of	IN
45179	18	69	an	an	DT
45179	18	70	automatic	automatic	JJ
45179	18	71	signal	signal	NN
45179	18	72	system	system	NN
45179	18	73	in	in	IN
45179	18	74	1867	1867	CD
45179	18	75	and	and	CC
45179	18	76	installed	instal	VBD
45179	18	77	the	the	DT
45179	18	78	so	so	RB
45179	18	79	-	-	HYPH
45179	18	80	called	call	VBN
45179	18	81	"	"	``
45179	18	82	open	open	JJ
45179	18	83	circuit	circuit	NN
45179	18	84	"	"	''
45179	18	85	system	system	NN
45179	18	86	at	at	IN
45179	18	87	Kinzua	Kinzua	NNP
45179	18	88	,	,	,
45179	18	89	Pa.	Pennsylvania	NNP
45179	18	90	,	,	,
45179	18	91	on	on	IN
45179	18	92	the	the	DT
45179	18	93	Philadelphia	Philadelphia	NNP
45179	18	94	&	&	CC
45179	18	95	Erie	Erie	NNP
45179	18	96	,	,	,
45179	18	97	now	now	RB
45179	18	98	the	the	DT
45179	18	99	Pennsylvania	Pennsylvania	NNP
45179	18	100	Railroad	Railroad	NNP
45179	18	101	,	,	,
45179	18	102	in	in	IN
45179	18	103	1870	1870	CD
45179	18	104	,	,	,
45179	18	105	and	and	CC
45179	18	106	,	,	,
45179	18	107	WHEREAS	WHEREAS	NNP
45179	18	108	,	,	,
45179	18	109	he	-PRON-	PRP
45179	18	110	worked	work	VBD
45179	18	111	on	on	IN
45179	18	112	the	the	DT
45179	18	113	development	development	NN
45179	18	114	of	of	IN
45179	18	115	fiber	fiber	NN
45179	18	116	for	for	IN
45179	18	117	insulated	insulated	JJ
45179	18	118	rail	rail	NN
45179	18	119	joints	joint	NNS
45179	18	120	in	in	IN
45179	18	121	1876	1876	CD
45179	18	122	and	and	CC
45179	18	123	also	also	RB
45179	18	124	developed	develop	VBD
45179	18	125	the	the	DT
45179	18	126	channel	channel	NN
45179	18	127	pin	pin	VB
45179	18	128	about	about	IN
45179	18	129	the	the	DT
45179	18	130	same	same	JJ
45179	18	131	time	time	NN
45179	18	132	,	,	,
45179	18	133	and	and	CC
45179	18	134	,	,	,
45179	18	135	WHEREAS	WHEREAS	NNP
45179	18	136	,	,	,
45179	18	137	one	one	CD
45179	18	138	of	of	IN
45179	18	139	the	the	DT
45179	18	140	first	first	JJ
45179	18	141	signals	signal	NNS
45179	18	142	controlled	control	VBN
45179	18	143	by	by	IN
45179	18	144	more	more	JJR
45179	18	145	than	than	IN
45179	18	146	one	one	CD
45179	18	147	track	track	NN
45179	18	148	circuit	circuit	NN
45179	18	149	was	be	VBD
45179	18	150	installed	instal	VBN
45179	18	151	under	under	IN
45179	18	152	his	-PRON-	PRP$
45179	18	153	direction	direction	NN
45179	18	154	at	at	IN
45179	18	155	the	the	DT
45179	18	156	Tehauntepec	Tehauntepec	NNP
45179	18	157	tunnel	tunnel	NN
45179	18	158	in	in	IN
45179	18	159	California	California	NNP
45179	18	160	in	in	IN
45179	18	161	1877	1877	CD
45179	18	162	,	,	,
45179	18	163	and	and	CC
45179	18	164	,	,	,
45179	18	165	WHEREAS	WHEREAS	NNP
45179	18	166	,	,	,
45179	18	167	his	-PRON-	PRP$
45179	18	168	death	death	NN
45179	18	169	at	at	IN
45179	18	170	Brooklyn	Brooklyn	NNP
45179	18	171	,	,	,
45179	18	172	N.Y.	New York	NNP
45179	18	173	,	,	,
45179	18	174	on	on	IN
45179	18	175	January	January	NNP
45179	18	176	2	2	CD
45179	18	177	,	,	,
45179	18	178	1921	1921	CD
45179	18	179	,	,	,
45179	18	180	at	at	IN
45179	18	181	the	the	DT
45179	18	182	age	age	NN
45179	18	183	of	of	IN
45179	18	184	80	80	CD
45179	18	185	,	,	,
45179	18	186	is	be	VBZ
45179	18	187	an	an	DT
45179	18	188	irreparable	irreparable	JJ
45179	18	189	loss	loss	NN
45179	18	190	to	to	IN
45179	18	191	the	the	DT
45179	18	192	Association	Association	NNP
45179	18	193	.	.	.
45179	19	1	THEREFORE	THEREFORE	NNP
45179	19	2	,	,	,
45179	19	3	we	-PRON-	PRP
45179	19	4	,	,	,
45179	19	5	members	member	NNS
45179	19	6	of	of	IN
45179	19	7	the	the	DT
45179	19	8	Signal	Signal	NNP
45179	19	9	Section	Section	NNP
45179	19	10	,	,	,
45179	19	11	American	American	NNP
45179	19	12	Railway	Railway	NNP
45179	19	13	Association	Association	NNP
45179	19	14	,	,	,
45179	19	15	pay	pay	VB
45179	19	16	our	-PRON-	PRP$
45179	19	17	last	last	JJ
45179	19	18	sad	sad	JJ
45179	19	19	tribute	tribute	NN
45179	19	20	to	to	IN
45179	19	21	his	-PRON-	PRP$
45179	19	22	memory	memory	NN
45179	19	23	and	and	CC
45179	19	24	express	express	VB
45179	19	25	our	-PRON-	PRP$
45179	19	26	deep	deep	JJ
45179	19	27	appreciation	appreciation	NN
45179	19	28	of	of	IN
45179	19	29	the	the	DT
45179	19	30	many	many	JJ
45179	19	31	and	and	CC
45179	19	32	lasting	lasting	JJ
45179	19	33	obligations	obligation	NNS
45179	19	34	that	that	WDT
45179	19	35	our	-PRON-	PRP$
45179	19	36	members	member	NNS
45179	19	37	and	and	CC
45179	19	38	friends	friend	NNS
45179	19	39	owe	owe	VBP
45179	19	40	to	to	IN
45179	19	41	him	-PRON-	PRP
45179	19	42	,	,	,
45179	19	43	and	and	CC
45179	19	44	by	by	IN
45179	19	45	words	word	NNS
45179	19	46	and	and	CC
45179	19	47	outward	outward	JJ
45179	19	48	token	token	NN
45179	19	49	express	express	VB
45179	19	50	our	-PRON-	PRP$
45179	19	51	sincere	sincere	JJ
45179	19	52	sorrow	sorrow	NN
45179	19	53	for	for	IN
45179	19	54	the	the	DT
45179	19	55	irreparable	irreparable	JJ
45179	19	56	loss	loss	NN
45179	19	57	the	the	DT
45179	19	58	Association	Association	NNP
45179	19	59	has	have	VBZ
45179	19	60	sustained	sustain	VBN
45179	19	61	.	.	.
45179	20	1	THEREFORE	THEREFORE	NNP
45179	20	2	,	,	,
45179	20	3	be	be	VB
45179	20	4	it	-PRON-	PRP
45179	20	5	_	_	NNP
45179	20	6	Resolved	Resolved	NNP
45179	20	7	_	_	NNP
45179	20	8	,	,	,
45179	20	9	that	that	IN
45179	20	10	a	a	DT
45179	20	11	fitting	fitting	JJ
45179	20	12	memorial	memorial	NN
45179	20	13	to	to	IN
45179	20	14	the	the	DT
45179	20	15	memory	memory	NN
45179	20	16	of	of	IN
45179	20	17	Dr.	Dr.	NNP
45179	20	18	William	William	NNP
45179	20	19	Robinson	Robinson	NNP
45179	20	20	,	,	,
45179	20	21	commemorating	commemorate	VBG
45179	20	22	the	the	DT
45179	20	23	50th	50th	JJ
45179	20	24	anniversary	anniversary	NN
45179	20	25	of	of	IN
45179	20	26	his	-PRON-	PRP$
45179	20	27	invention	invention	NN
45179	20	28	of	of	IN
45179	20	29	the	the	DT
45179	20	30	closed	closed	JJ
45179	20	31	track	track	NN
45179	20	32	circuit	circuit	NN
45179	20	33	,	,	,
45179	20	34	be	be	VB
45179	20	35	prepared	prepare	VBN
45179	20	36	and	and	CC
45179	20	37	presented	present	VBN
45179	20	38	to	to	IN
45179	20	39	this	this	DT
45179	20	40	Association	Association	NNP
45179	20	41	at	at	IN
45179	20	42	the	the	DT
45179	20	43	Annual	Annual	NNP
45179	20	44	Meeting	Meeting	NNP
45179	20	45	in	in	IN
45179	20	46	1922	1922	CD
45179	20	47	.	.	.
45179	21	1	_	_	NNP
45179	21	2	Resolved	Resolved	NNP
45179	21	3	_	_	NNP
45179	21	4	,	,	,
45179	21	5	that	that	IN
45179	21	6	these	these	DT
45179	21	7	resolutions	resolution	NNS
45179	21	8	be	be	VB
45179	21	9	spread	spread	VBN
45179	21	10	upon	upon	IN
45179	21	11	the	the	DT
45179	21	12	records	record	NNS
45179	21	13	of	of	IN
45179	21	14	the	the	DT
45179	21	15	Association	Association	NNP
45179	21	16	.	.	.
45179	22	1	THE	the	DT
45179	22	2	INVENTION	INVENTION	NNP
45179	22	3	OF	of	IN
45179	22	4	THE	the	DT
45179	22	5	TRACK	track	NN
45179	22	6	CIRCUIT	circuit	NN
45179	22	7	About	about	RB
45179	22	8	1867	1867	CD
45179	22	9	William	William	NNP
45179	22	10	Robinson	Robinson	NNP
45179	22	11	,	,	,
45179	22	12	then	then	RB
45179	22	13	a	a	DT
45179	22	14	recent	recent	JJ
45179	22	15	graduate	graduate	NN
45179	22	16	from	from	IN
45179	22	17	college	college	NN
45179	22	18	,	,	,
45179	22	19	entered	enter	VBN
45179	22	20	actively	actively	RB
45179	22	21	upon	upon	IN
45179	22	22	the	the	DT
45179	22	23	development	development	NN
45179	22	24	of	of	IN
45179	22	25	an	an	DT
45179	22	26	automatic	automatic	JJ
45179	22	27	signal	signal	NN
45179	22	28	system	system	NN
45179	22	29	for	for	IN
45179	22	30	preventing	prevent	VBG
45179	22	31	accidents	accident	NNS
45179	22	32	of	of	IN
45179	22	33	various	various	JJ
45179	22	34	kinds	kind	NNS
45179	22	35	on	on	IN
45179	22	36	railroads	railroad	NNS
45179	22	37	.	.	.
45179	23	1	His	-PRON-	PRP$
45179	23	2	attention	attention	NN
45179	23	3	was	be	VBD
45179	23	4	called	call	VBN
45179	23	5	to	to	IN
45179	23	6	the	the	DT
45179	23	7	subject	subject	NN
45179	23	8	by	by	IN
45179	23	9	the	the	DT
45179	23	10	consideration	consideration	NN
45179	23	11	of	of	IN
45179	23	12	certain	certain	JJ
45179	23	13	railroad	railroad	NN
45179	23	14	accidents	accident	NNS
45179	23	15	which	which	WDT
45179	23	16	had	have	VBD
45179	23	17	occurred	occur	VBN
45179	23	18	,	,	,
45179	23	19	and	and	CC
45179	23	20	for	for	IN
45179	23	21	the	the	DT
45179	23	22	prevention	prevention	NN
45179	23	23	of	of	IN
45179	23	24	which	which	WDT
45179	23	25	there	there	EX
45179	23	26	were	be	VBD
45179	23	27	no	no	DT
45179	23	28	adequate	adequate	JJ
45179	23	29	means	mean	NNS
45179	23	30	known	know	VBN
45179	23	31	.	.	.
45179	24	1	From	from	IN
45179	24	2	this	this	DT
45179	24	3	starting	starting	NN
45179	24	4	point	point	NN
45179	24	5	he	-PRON-	PRP
45179	24	6	developed	develop	VBD
45179	24	7	such	such	PDT
45179	24	8	a	a	DT
45179	24	9	system	system	NN
45179	24	10	,	,	,
45179	24	11	and	and	CC
45179	24	12	in	in	IN
45179	24	13	1869	1869	CD
45179	24	14	,	,	,
45179	24	15	constructed	construct	VBD
45179	24	16	an	an	DT
45179	24	17	elaborate	elaborate	JJ
45179	24	18	model	model	NN
45179	24	19	illustrating	illustrate	VBG
45179	24	20	the	the	DT
45179	24	21	same	same	JJ
45179	24	22	,	,	,
45179	24	23	which	which	WDT
45179	24	24	he	-PRON-	PRP
45179	24	25	exhibited	exhibit	VBD
45179	24	26	at	at	IN
45179	24	27	the	the	DT
45179	24	28	American	American	NNP
45179	24	29	Institute	Institute	NNP
45179	24	30	Fair	Fair	NNP
45179	24	31	in	in	IN
45179	24	32	New	New	NNP
45179	24	33	York	York	NNP
45179	24	34	City	City	NNP
45179	24	35	,	,	,
45179	24	36	in	in	IN
45179	24	37	1870	1870	CD
45179	24	38	.	.	.
45179	25	1	This	this	DT
45179	25	2	system	system	NN
45179	25	3	was	be	VBD
45179	25	4	what	what	WP
45179	25	5	is	be	VBZ
45179	25	6	now	now	RB
45179	25	7	known	know	VBN
45179	25	8	in	in	IN
45179	25	9	the	the	DT
45179	25	10	art	art	NN
45179	25	11	as	as	IN
45179	25	12	a	a	DT
45179	25	13	"	"	``
45179	25	14	wire	wire	NN
45179	25	15	"	"	''
45179	25	16	or	or	CC
45179	25	17	"	"	``
45179	25	18	open	open	JJ
45179	25	19	circuit	circuit	NN
45179	25	20	"	"	''
45179	25	21	system	system	NN
45179	25	22	;	;	:
45179	25	23	that	that	RB
45179	25	24	is	is	RB
45179	25	25	,	,	,
45179	25	26	there	there	EX
45179	25	27	were	be	VBD
45179	25	28	circuit	circuit	NN
45179	25	29	-	-	HYPH
45179	25	30	instruments	instrument	NNS
45179	25	31	in	in	IN
45179	25	32	proximity	proximity	NN
45179	25	33	to	to	IN
45179	25	34	the	the	DT
45179	25	35	track	track	NN
45179	25	36	which	which	WDT
45179	25	37	were	be	VBD
45179	25	38	actuated	actuate	VBN
45179	25	39	by	by	IN
45179	25	40	the	the	DT
45179	25	41	wheels	wheel	NNS
45179	25	42	of	of	IN
45179	25	43	a	a	DT
45179	25	44	car	car	NN
45179	25	45	.	.	.
45179	26	1	The	the	DT
45179	26	2	action	action	NN
45179	26	3	of	of	IN
45179	26	4	the	the	DT
45179	26	5	wheels	wheel	NNS
45179	26	6	on	on	IN
45179	26	7	a	a	DT
45179	26	8	lever	lever	NN
45179	26	9	at	at	IN
45179	26	10	one	one	CD
45179	26	11	point	point	NN
45179	26	12	closed	close	VBD
45179	26	13	the	the	DT
45179	26	14	circuit	circuit	NN
45179	26	15	through	through	IN
45179	26	16	a	a	DT
45179	26	17	relay	relay	NN
45179	26	18	,	,	,
45179	26	19	whose	whose	WP$
45179	26	20	magnet	magnet	NN
45179	26	21	was	be	VBD
45179	26	22	so	so	RB
45179	26	23	arranged	arrange	VBN
45179	26	24	that	that	IN
45179	26	25	the	the	DT
45179	26	26	instant	instant	NN
45179	26	27	it	-PRON-	PRP
45179	26	28	was	be	VBD
45179	26	29	magnetized	magnetize	VBN
45179	26	30	it	-PRON-	PRP
45179	26	31	attracted	attract	VBD
45179	26	32	its	-PRON-	PRP$
45179	26	33	armature	armature	NN
45179	26	34	and	and	CC
45179	26	35	kept	keep	VBD
45179	26	36	its	-PRON-	PRP$
45179	26	37	own	own	JJ
45179	26	38	circuit	circuit	NN
45179	26	39	closed	close	VBN
45179	26	40	.	.	.
45179	27	1	The	the	DT
45179	27	2	circuit	circuit	NN
45179	27	3	of	of	IN
45179	27	4	the	the	DT
45179	27	5	magnet	magnet	NN
45179	27	6	which	which	WDT
45179	27	7	directly	directly	RB
45179	27	8	actuated	actuate	VBD
45179	27	9	or	or	CC
45179	27	10	controlled	control	VBN
45179	27	11	the	the	DT
45179	27	12	signal	signal	NN
45179	27	13	was	be	VBD
45179	27	14	under	under	IN
45179	27	15	control	control	NN
45179	27	16	of	of	IN
45179	27	17	the	the	DT
45179	27	18	relay	relay	NN
45179	27	19	,	,	,
45179	27	20	which	which	WDT
45179	27	21	operated	operate	VBD
45179	27	22	to	to	TO
45179	27	23	open	open	VB
45179	27	24	and	and	CC
45179	27	25	close	close	VB
45179	27	26	the	the	DT
45179	27	27	signal	signal	NNP
45179	27	28	circuit	circuit	NN
45179	27	29	directly	directly	RB
45179	27	30	.	.	.
45179	28	1	When	when	WRB
45179	28	2	the	the	DT
45179	28	3	train	train	NN
45179	28	4	or	or	CC
45179	28	5	car	car	NN
45179	28	6	proceeded	proceed	VBD
45179	28	7	to	to	IN
45179	28	8	the	the	DT
45179	28	9	proper	proper	JJ
45179	28	10	point	point	NN
45179	28	11	beyond	beyond	RB
45179	28	12	,	,	,
45179	28	13	it	-PRON-	PRP
45179	28	14	actuated	actuate	VBD
45179	28	15	a	a	DT
45179	28	16	reversing	reversing	NN
45179	28	17	lever	lever	NN
45179	28	18	,	,	,
45179	28	19	thus	thus	RB
45179	28	20	opening	open	VBG
45179	28	21	the	the	DT
45179	28	22	relay	relay	NN
45179	28	23	circuit	circuit	NN
45179	28	24	and	and	CC
45179	28	25	reversing	reverse	VBG
45179	28	26	the	the	DT
45179	28	27	signal	signal	NN
45179	28	28	.	.	.
45179	29	1	In	in	IN
45179	29	2	the	the	DT
45179	29	3	model	model	NN
45179	29	4	described	describe	VBD
45179	29	5	the	the	DT
45179	29	6	reversing	reversing	NN
45179	29	7	lever	lever	NN
45179	29	8	operated	operate	VBD
45179	29	9	to	to	TO
45179	29	10	open	open	VB
45179	29	11	the	the	DT
45179	29	12	relay	relay	NN
45179	29	13	circuit	circuit	NN
45179	29	14	by	by	IN
45179	29	15	cutting	cut	VBG
45179	29	16	off	off	RP
45179	29	17	the	the	DT
45179	29	18	battery	battery	NN
45179	29	19	therefrom	therefrom	JJ
45179	29	20	by	by	IN
45179	29	21	short	short	JJ
45179	29	22	circuiting	circuiting	NN
45179	29	23	.	.	.
45179	30	1	This	this	DT
45179	30	2	model	model	NN
45179	30	3	was	be	VBD
45179	30	4	in	in	IN
45179	30	5	continuous	continuous	JJ
45179	30	6	and	and	CC
45179	30	7	perfect	perfect	JJ
45179	30	8	operation	operation	NN
45179	30	9	throughout	throughout	IN
45179	30	10	the	the	DT
45179	30	11	duration	duration	NN
45179	30	12	of	of	IN
45179	30	13	the	the	DT
45179	30	14	fair	fair	NN
45179	30	15	.	.	.
45179	31	1	At	at	IN
45179	31	2	the	the	DT
45179	31	3	close	close	NN
45179	31	4	of	of	IN
45179	31	5	the	the	DT
45179	31	6	fair	fair	JJ
45179	31	7	Mr.	Mr.	NNP
45179	31	8	Robinson	Robinson	NNP
45179	31	9	had	have	VBD
45179	31	10	some	some	DT
45179	31	11	of	of	IN
45179	31	12	his	-PRON-	PRP$
45179	31	13	descriptive	descriptive	JJ
45179	31	14	circulars	circular	NNS
45179	31	15	left	leave	VBN
45179	31	16	over	over	RP
45179	31	17	.	.	.
45179	32	1	These	these	DT
45179	32	2	he	-PRON-	PRP
45179	32	3	immediately	immediately	RB
45179	32	4	sent	send	VBD
45179	32	5	out	out	RP
45179	32	6	to	to	TO
45179	32	7	railroad	railroad	VB
45179	32	8	companies	company	NNS
45179	32	9	at	at	IN
45179	32	10	random	random	JJ
45179	32	11	.	.	.
45179	33	1	One	one	CD
45179	33	2	of	of	IN
45179	33	3	these	these	DT
45179	33	4	circulars	circular	NNS
45179	33	5	,	,	,
45179	33	6	at	at	IN
45179	33	7	least	least	JJS
45179	33	8	,	,	,
45179	33	9	was	be	VBD
45179	33	10	as	as	IN
45179	33	11	seed	seed	NN
45179	33	12	sown	sow	VBN
45179	33	13	in	in	IN
45179	33	14	good	good	JJ
45179	33	15	ground	ground	NN
45179	33	16	.	.	.
45179	34	1	It	-PRON-	PRP
45179	34	2	elicited	elicit	VBD
45179	34	3	an	an	DT
45179	34	4	immediate	immediate	JJ
45179	34	5	response	response	NN
45179	34	6	from	from	IN
45179	34	7	Mr.	Mr.	NNP
45179	34	8	William	William	NNP
45179	34	9	A.	a.	NN
45179	34	10	Baldwin	Baldwin	NNP
45179	34	11	,	,	,
45179	34	12	general	general	JJ
45179	34	13	superintendent	superintendent	NN
45179	34	14	of	of	IN
45179	34	15	the	the	DT
45179	34	16	Philadelphia	Philadelphia	NNP
45179	34	17	and	and	CC
45179	34	18	Erie	Erie	NNP
45179	34	19	railroad	railroad	NN
45179	34	20	,	,	,
45179	34	21	with	with	IN
45179	34	22	the	the	DT
45179	34	23	result	result	NN
45179	34	24	that	that	IN
45179	34	25	Mr.	Mr.	NNP
45179	34	26	Baldwin	Baldwin	NNP
45179	34	27	,	,	,
45179	34	28	who	who	WP
45179	34	29	was	be	VBD
45179	34	30	an	an	DT
45179	34	31	old	old	JJ
45179	34	32	telegraph	telegraph	NN
45179	34	33	operator	operator	NN
45179	34	34	and	and	CC
45179	34	35	a	a	DT
45179	34	36	very	very	RB
45179	34	37	able	able	JJ
45179	34	38	and	and	CC
45179	34	39	progressive	progressive	JJ
45179	34	40	railroad	railroad	NN
45179	34	41	man	man	NN
45179	34	42	,	,	,
45179	34	43	on	on	IN
45179	34	44	looking	look	VBG
45179	34	45	into	into	IN
45179	34	46	the	the	DT
45179	34	47	system	system	NN
45179	34	48	was	be	VBD
45179	34	49	so	so	RB
45179	34	50	impressed	impressed	JJ
45179	34	51	with	with	IN
45179	34	52	its	-PRON-	PRP$
45179	34	53	practicability	practicability	NN
45179	34	54	and	and	CC
45179	34	55	importance	importance	NN
45179	34	56	that	that	IN
45179	34	57	he	-PRON-	PRP
45179	34	58	at	at	IN
45179	34	59	once	once	RB
45179	34	60	arranged	arrange	VBD
45179	34	61	with	with	IN
45179	34	62	Mr.	Mr.	NNP
45179	34	63	Robinson	Robinson	NNP
45179	34	64	to	to	TO
45179	34	65	make	make	VB
45179	34	66	an	an	DT
45179	34	67	installation	installation	NN
45179	34	68	of	of	IN
45179	34	69	the	the	DT
45179	34	70	system	system	NN
45179	34	71	on	on	IN
45179	34	72	his	-PRON-	PRP$
45179	34	73	road	road	NN
45179	34	74	.	.	.
45179	35	1	This	this	DT
45179	35	2	was	be	VBD
45179	35	3	in	in	IN
45179	35	4	1870	1870	CD
45179	35	5	.	.	.
45179	36	1	At	at	IN
45179	36	2	that	that	DT
45179	36	3	time	time	NN
45179	36	4	Mr.	Mr.	NNP
45179	36	5	Theodore	Theodore	NNP
45179	36	6	N.	N.	NNP
45179	36	7	Ely	Ely	NNP
45179	36	8	,	,	,
45179	36	9	now	now	RB
45179	36	10	chief	chief	NN
45179	36	11	of	of	IN
45179	36	12	motive	motive	JJ
45179	36	13	power	power	NN
45179	36	14	(	(	-LRB-
45179	36	15	1906	1906	CD
45179	36	16	)	)	-RRB-
45179	36	17	of	of	IN
45179	36	18	the	the	DT
45179	36	19	Pennsylvania	Pennsylvania	NNP
45179	36	20	railroad	railroad	NN
45179	36	21	,	,	,
45179	36	22	was	be	VBD
45179	36	23	assistant	assistant	JJ
45179	36	24	superintendent	superintendent	NN
45179	36	25	of	of	IN
45179	36	26	the	the	DT
45179	36	27	Philadelphia	Philadelphia	NNP
45179	36	28	&	&	CC
45179	36	29	Erie	Erie	NNP
45179	36	30	,	,	,
45179	36	31	and	and	CC
45179	36	32	,	,	,
45179	36	33	under	under	IN
45179	36	34	direction	direction	NN
45179	36	35	of	of	IN
45179	36	36	Mr.	Mr.	NNP
45179	36	37	Baldwin	Baldwin	NNP
45179	36	38	,	,	,
45179	36	39	furnished	furnish	VBD
45179	36	40	Mr.	Mr.	NNP
45179	36	41	Robinson	Robinson	NNP
45179	36	42	with	with	IN
45179	36	43	all	all	PDT
45179	36	44	the	the	DT
45179	36	45	facilities	facility	NNS
45179	36	46	and	and	CC
45179	36	47	material	material	NN
45179	36	48	necessary	necessary	JJ
45179	36	49	for	for	IN
45179	36	50	prosecuting	prosecute	VBG
45179	36	51	the	the	DT
45179	36	52	work	work	NN
45179	36	53	of	of	IN
45179	36	54	installation	installation	NN
45179	36	55	.	.	.
45179	37	1	This	this	DT
45179	37	2	installation	installation	NN
45179	37	3	was	be	VBD
45179	37	4	made	make	VBN
45179	37	5	at	at	IN
45179	37	6	Kinzua	Kinzua	NNP
45179	37	7	,	,	,
45179	37	8	Pa.	Pennsylvania	NNP
45179	37	9	,	,	,
45179	37	10	and	and	CC
45179	37	11	after	after	IN
45179	37	12	a	a	DT
45179	37	13	little	little	JJ
45179	37	14	experimenting	experimenting	NN
45179	37	15	was	be	VBD
45179	37	16	soon	soon	RB
45179	37	17	in	in	IN
45179	37	18	perfect	perfect	JJ
45179	37	19	working	working	NN
45179	37	20	order	order	NN
45179	37	21	,	,	,
45179	37	22	performing	perform	VBG
45179	37	23	all	all	DT
45179	37	24	claimed	claim	VBD
45179	37	25	for	for	IN
45179	37	26	it	-PRON-	PRP
45179	37	27	,	,	,
45179	37	28	and	and	CC
45179	37	29	considered	consider	VBN
45179	37	30	satisfactory	satisfactory	JJ
45179	37	31	by	by	IN
45179	37	32	the	the	DT
45179	37	33	railroad	railroad	NN
45179	37	34	company	company	NN
45179	37	35	.	.	.
45179	38	1	This	this	DT
45179	38	2	was	be	VBD
45179	38	3	a	a	DT
45179	38	4	normally	normally	RB
45179	38	5	open	open	JJ
45179	38	6	-	-	HYPH
45179	38	7	circuit	circuit	NN
45179	38	8	wire	wire	NN
45179	38	9	system	system	NN
45179	38	10	,	,	,
45179	38	11	however	however	RB
45179	38	12	,	,	,
45179	38	13	controlled	control	VBN
45179	38	14	by	by	IN
45179	38	15	track	track	NN
45179	38	16	levers	lever	NNS
45179	38	17	,	,	,
45179	38	18	as	as	IN
45179	38	19	above	above	IN
45179	38	20	described	describe	VBN
45179	38	21	,	,	,
45179	38	22	in	in	IN
45179	38	23	connection	connection	NN
45179	38	24	with	with	IN
45179	38	25	the	the	DT
45179	38	26	model	model	NN
45179	38	27	.	.	.
45179	39	1	As	as	RB
45179	39	2	soon	soon	RB
45179	39	3	as	as	IN
45179	39	4	it	-PRON-	PRP
45179	39	5	was	be	VBD
45179	39	6	found	find	VBN
45179	39	7	to	to	TO
45179	39	8	be	be	VB
45179	39	9	working	work	VBG
45179	39	10	perfectly	perfectly	RB
45179	39	11	and	and	CC
45179	39	12	accomplishing	accomplish	VBG
45179	39	13	all	all	DT
45179	39	14	claimed	claim	VBD
45179	39	15	for	for	IN
45179	39	16	it	-PRON-	PRP
45179	39	17	,	,	,
45179	39	18	Mr.	Mr.	NNP
45179	39	19	Robinson	Robinson	NNP
45179	39	20	,	,	,
45179	39	21	who	who	WP
45179	39	22	aimed	aim	VBD
45179	39	23	to	to	TO
45179	39	24	be	be	VB
45179	39	25	the	the	DT
45179	39	26	most	most	RBS
45179	39	27	severe	severe	JJ
45179	39	28	critic	critic	NN
45179	39	29	of	of	IN
45179	39	30	his	-PRON-	PRP$
45179	39	31	own	own	JJ
45179	39	32	work	work	NN
45179	39	33	,	,	,
45179	39	34	entered	enter	VBD
45179	39	35	systematically	systematically	RB
45179	39	36	into	into	IN
45179	39	37	a	a	DT
45179	39	38	deeper	deep	JJR
45179	39	39	study	study	NN
45179	39	40	of	of	IN
45179	39	41	the	the	DT
45179	39	42	system	system	NN
45179	39	43	from	from	IN
45179	39	44	the	the	DT
45179	39	45	standpoint	standpoint	NN
45179	39	46	of	of	IN
45179	39	47	a	a	DT
45179	39	48	railroad	railroad	NN
45179	39	49	man	man	NN
45179	39	50	,	,	,
45179	39	51	with	with	IN
45179	39	52	a	a	DT
45179	39	53	view	view	NN
45179	39	54	of	of	IN
45179	39	55	finding	find	VBG
45179	39	56	the	the	DT
45179	39	57	weak	weak	JJ
45179	39	58	points	point	NNS
45179	39	59	in	in	IN
45179	39	60	it	-PRON-	PRP
45179	39	61	,	,	,
45179	39	62	if	if	IN
45179	39	63	any	any	DT
45179	39	64	existed	exist	VBD
45179	39	65	.	.	.
45179	40	1	He	-PRON-	PRP
45179	40	2	soon	soon	RB
45179	40	3	discovered	discover	VBD
45179	40	4	the	the	DT
45179	40	5	following	follow	VBG
45179	40	6	serious	serious	JJ
45179	40	7	defects	defect	NNS
45179	40	8	,	,	,
45179	40	9	which	which	WDT
45179	40	10	are	be	VBP
45179	40	11	inherent	inherent	JJ
45179	40	12	in	in	IN
45179	40	13	all	all	DT
45179	40	14	normally	normally	RB
45179	40	15	open	open	JJ
45179	40	16	circuit	circuit	NN
45179	40	17	or	or	CC
45179	40	18	wire	wire	NN
45179	40	19	systems	system	NNS
45179	40	20	of	of	IN
45179	40	21	automatic	automatic	JJ
45179	40	22	signaling	signaling	NN
45179	40	23	,	,	,
45179	40	24	without	without	IN
45179	40	25	exception	exception	NN
45179	40	26	.	.	.
45179	41	1	Such	such	JJ
45179	41	2	systems	system	NNS
45179	41	3	are	be	VBP
45179	41	4	extremely	extremely	RB
45179	41	5	limited	limited	JJ
45179	41	6	in	in	IN
45179	41	7	their	-PRON-	PRP$
45179	41	8	functions	function	NNS
45179	41	9	,	,	,
45179	41	10	and	and	CC
45179	41	11	_	_	NNP
45179	41	12	may	may	NNP
45179	41	13	,	,	,
45179	41	14	under	under	IN
45179	41	15	certain	certain	JJ
45179	41	16	circumstances	circumstance	NNS
45179	41	17	_	_	NNP
45179	41	18	,	,	,
45179	41	19	show	show	VB
45179	41	20	a	a	DT
45179	41	21	SAFETY	safety	NN
45179	41	22	signal	signal	NN
45179	41	23	when	when	WRB
45179	41	24	the	the	DT
45179	41	25	danger	danger	NN
45179	41	26	actually	actually	RB
45179	41	27	exists	exist	VBZ
45179	41	28	which	which	WDT
45179	41	29	they	-PRON-	PRP
45179	41	30	are	be	VBP
45179	41	31	designed	design	VBN
45179	41	32	to	to	TO
45179	41	33	avert	avert	VB
45179	41	34	,	,	,
45179	41	35	as	as	IN
45179	41	36	in	in	IN
45179	41	37	the	the	DT
45179	41	38	following	follow	VBG
45179	41	39	cases	case	NNS
45179	41	40	:	:	:
45179	41	41	_	_	NNP
45179	41	42	First	First	NNP
45179	41	43	_	_	NNP
45179	41	44	:	:	:
45179	41	45	A	a	DT
45179	41	46	train	train	NN
45179	41	47	enters	enter	VBZ
45179	41	48	regularly	regularly	RB
45179	41	49	upon	upon	IN
45179	41	50	the	the	DT
45179	41	51	section	section	NN
45179	41	52	and	and	CC
45179	41	53	sets	set	VBZ
45179	41	54	the	the	DT
45179	41	55	signal	signal	NN
45179	41	56	at	at	IN
45179	41	57	danger	danger	NN
45179	41	58	;	;	:
45179	41	59	the	the	DT
45179	41	60	train	train	NN
45179	41	61	breaks	break	VBZ
45179	41	62	in	in	IN
45179	41	63	two	two	CD
45179	41	64	,	,	,
45179	41	65	the	the	DT
45179	41	66	forward	forward	JJ
45179	41	67	part	part	NN
45179	41	68	passes	pass	VBZ
45179	41	69	off	off	RP
45179	41	70	the	the	DT
45179	41	71	section	section	NN
45179	41	72	,	,	,
45179	41	73	reverses	reverse	VBZ
45179	41	74	the	the	DT
45179	41	75	signal	signal	NN
45179	41	76	and	and	CC
45179	41	77	shows	show	VBZ
45179	41	78	ALL	all	DT
45179	41	79	CLEAR	CLEAR	NNP
45179	41	80	behind	behind	IN
45179	41	81	that	that	DT
45179	41	82	portion	portion	NN
45179	41	83	of	of	IN
45179	41	84	the	the	DT
45179	41	85	train	train	NN
45179	41	86	remaining	remain	VBG
45179	41	87	on	on	IN
45179	41	88	the	the	DT
45179	41	89	section	section	NN
45179	41	90	;	;	:
45179	41	91	and	and	CC
45179	41	92	a	a	DT
45179	41	93	following	follow	VBG
45179	41	94	train	train	NN
45179	41	95	,	,	,
45179	41	96	lured	lure	VBN
45179	41	97	on	on	RP
45179	41	98	by	by	IN
45179	41	99	the	the	DT
45179	41	100	false	false	JJ
45179	41	101	signal	signal	NN
45179	41	102	ALL	all	DT
45179	41	103	CLEAR	CLEAR	NNP
45179	41	104	,	,	,
45179	41	105	dashes	dash	VBZ
45179	41	106	into	into	IN
45179	41	107	the	the	DT
45179	41	108	stalled	stall	VBN
45179	41	109	portion	portion	NN
45179	41	110	of	of	IN
45179	41	111	the	the	DT
45179	41	112	preceding	precede	VBG
45179	41	113	train	train	NN
45179	41	114	left	leave	VBD
45179	41	115	standing	stand	VBG
45179	41	116	on	on	IN
45179	41	117	the	the	DT
45179	41	118	section	section	NN
45179	41	119	.	.	.
45179	42	1	This	this	DT
45179	42	2	is	be	VBZ
45179	42	3	extremely	extremely	RB
45179	42	4	liable	liable	JJ
45179	42	5	to	to	TO
45179	42	6	happen	happen	VB
45179	42	7	on	on	IN
45179	42	8	sharp	sharp	JJ
45179	42	9	curves	curve	NNS
45179	42	10	and	and	CC
45179	42	11	grades	grade	NNS
45179	42	12	,	,	,
45179	42	13	where	where	WRB
45179	42	14	breaks	break	NNS
45179	42	15	are	be	VBP
45179	42	16	not	not	RB
45179	42	17	of	of	IN
45179	42	18	uncommon	uncommon	JJ
45179	42	19	occurrence	occurrence	NN
45179	42	20	.	.	.
45179	43	1	_	_	NNP
45179	43	2	Second	Second	NNP
45179	43	3	_	_	NNP
45179	43	4	:	:	:
45179	43	5	A	a	DT
45179	43	6	train	train	NN
45179	43	7	may	may	MD
45179	43	8	enter	enter	VB
45179	43	9	within	within	IN
45179	43	10	the	the	DT
45179	43	11	section	section	NN
45179	43	12	from	from	IN
45179	43	13	the	the	DT
45179	43	14	opposite	opposite	JJ
45179	43	15	end	end	NN
45179	43	16	or	or	CC
45179	43	17	from	from	IN
45179	43	18	a	a	DT
45179	43	19	siding	siding	NN
45179	43	20	,	,	,
45179	43	21	thus	thus	RB
45179	43	22	blocking	block	VBG
45179	43	23	the	the	DT
45179	43	24	track	track	NN
45179	43	25	,	,	,
45179	43	26	while	while	IN
45179	43	27	the	the	DT
45179	43	28	signal	signal	NN
45179	43	29	,	,	,
45179	43	30	not	not	RB
45179	43	31	having	have	VBG
45179	43	32	been	be	VBN
45179	43	33	affected	affect	VBN
45179	43	34	,	,	,
45179	43	35	shows	show	VBZ
45179	43	36	ALL	all	DT
45179	43	37	CLEAR	CLEAR	NNP
45179	43	38	as	as	IN
45179	43	39	before	before	RB
45179	43	40	,	,	,
45179	43	41	a	a	DT
45179	43	42	false	false	JJ
45179	43	43	signal	signal	NN
45179	43	44	again	again	RB
45179	43	45	.	.	.
45179	44	1	_	_	NNP
45179	44	2	Third	Third	NNP
45179	44	3	_	_	NNP
45179	44	4	:	:	:
45179	44	5	If	if	IN
45179	44	6	a	a	DT
45179	44	7	line	line	NN
45179	44	8	wire	wire	NN
45179	44	9	break	break	NN
45179	44	10	or	or	CC
45179	44	11	other	other	JJ
45179	44	12	connection	connection	NN
45179	44	13	be	be	VB
45179	44	14	interfered	interfere	VBN
45179	44	15	with	with	IN
45179	44	16	accidentally	accidentally	RB
45179	44	17	or	or	CC
45179	44	18	maliciously	maliciously	RB
45179	44	19	,	,	,
45179	44	20	or	or	CC
45179	44	21	the	the	DT
45179	44	22	battery	battery	NN
45179	44	23	fail	fail	VBP
45179	44	24	from	from	IN
45179	44	25	any	any	DT
45179	44	26	cause	cause	NN
45179	44	27	,	,	,
45179	44	28	the	the	DT
45179	44	29	signal	signal	NN
45179	44	30	will	will	MD
45179	44	31	invariably	invariably	RB
45179	44	32	show	show	VB
45179	44	33	ALL	all	DT
45179	44	34	CLEAR	CLEAR	NNP
45179	44	35	,	,	,
45179	44	36	under	under	IN
45179	44	37	every	every	DT
45179	44	38	train	train	NN
45179	44	39	passing	pass	VBG
45179	44	40	over	over	IN
45179	44	41	the	the	DT
45179	44	42	section	section	NN
45179	44	43	,	,	,
45179	44	44	a	a	DT
45179	44	45	false	false	JJ
45179	44	46	signal	signal	NN
45179	44	47	again	again	RB
45179	44	48	.	.	.
45179	45	1	Mr.	Mr.	NNP
45179	45	2	Robinson	Robinson	NNP
45179	45	3	at	at	IN
45179	45	4	this	this	DT
45179	45	5	early	early	JJ
45179	45	6	date	date	NN
45179	45	7	recognized	recognize	VBD
45179	45	8	the	the	DT
45179	45	9	above	above	IN
45179	45	10	serious	serious	JJ
45179	45	11	objections	objection	NNS
45179	45	12	as	as	IN
45179	45	13	inseparable	inseparable	JJ
45179	45	14	from	from	IN
45179	45	15	open	open	JJ
45179	45	16	circuit	circuit	NN
45179	45	17	system	system	NN
45179	45	18	of	of	IN
45179	45	19	signaling	signaling	NN
45179	45	20	,	,	,
45179	45	21	apparently	apparently	RB
45179	45	22	,	,	,
45179	45	23	before	before	IN
45179	45	24	these	these	DT
45179	45	25	defects	defect	NNS
45179	45	26	were	be	VBD
45179	45	27	recognized	recognize	VBN
45179	45	28	by	by	IN
45179	45	29	any	any	DT
45179	45	30	one	one	NN
45179	45	31	else	else	RB
45179	45	32	,	,	,
45179	45	33	and	and	CC
45179	45	34	at	at	IN
45179	45	35	once	once	RB
45179	45	36	entered	enter	VBN
45179	45	37	upon	upon	IN
45179	45	38	the	the	DT
45179	45	39	solution	solution	NN
45179	45	40	of	of	IN
45179	45	41	the	the	DT
45179	45	42	problem	problem	NN
45179	45	43	presented	present	VBN
45179	45	44	,	,	,
45179	45	45	of	of	IN
45179	45	46	eliminating	eliminate	VBG
45179	45	47	these	these	DT
45179	45	48	objections	objection	NNS
45179	45	49	by	by	IN
45179	45	50	producing	produce	VBG
45179	45	51	a	a	DT
45179	45	52	signal	signal	NN
45179	45	53	system	system	NN
45179	45	54	which	which	WDT
45179	45	55	would	would	MD
45179	45	56	meet	meet	VB
45179	45	57	all	all	PDT
45179	45	58	the	the	DT
45179	45	59	requirements	requirement	NNS
45179	45	60	of	of	IN
45179	45	61	safe	safe	JJ
45179	45	62	and	and	CC
45179	45	63	efficient	efficient	JJ
45179	45	64	railroading	railroading	NN
45179	45	65	.	.	.
45179	46	1	He	-PRON-	PRP
45179	46	2	reasoned	reason	VBD
45179	46	3	,	,	,
45179	46	4	first	first	RB
45179	46	5	,	,	,
45179	46	6	that	that	DT
45179	46	7	to	to	TO
45179	46	8	accomplish	accomplish	VB
45179	46	9	this	this	DT
45179	46	10	result	result	NN
45179	46	11	every	every	DT
45179	46	12	car	car	NN
45179	46	13	and	and	CC
45179	46	14	every	every	DT
45179	46	15	pair	pair	NN
45179	46	16	of	of	IN
45179	46	17	wheels	wheel	NNS
45179	46	18	in	in	IN
45179	46	19	the	the	DT
45179	46	20	train	train	NN
45179	46	21	must	must	MD
45179	46	22	have	have	VB
45179	46	23	controlling	control	VBG
45179	46	24	power	power	NN
45179	46	25	over	over	IN
45179	46	26	the	the	DT
45179	46	27	signal	signal	NN
45179	46	28	throughout	throughout	IN
45179	46	29	every	every	DT
45179	46	30	inch	inch	NN
45179	46	31	of	of	IN
45179	46	32	the	the	DT
45179	46	33	block	block	NN
45179	46	34	section	section	NN
45179	46	35	,	,	,
45179	46	36	and	and	CC
45179	46	37	second	second	RB
45179	46	38	,	,	,
45179	46	39	the	the	DT
45179	46	40	signal	signal	NN
45179	46	41	should	should	MD
45179	46	42	go	go	VB
45179	46	43	to	to	IN
45179	46	44	danger	danger	NN
45179	46	45	by	by	IN
45179	46	46	gravity	gravity	NN
45179	46	47	,	,	,
45179	46	48	the	the	DT
45179	46	49	electric	electric	JJ
45179	46	50	current	current	NN
45179	46	51	being	be	VBG
45179	46	52	used	use	VBN
45179	46	53	to	to	TO
45179	46	54	hold	hold	VB
45179	46	55	it	-PRON-	PRP
45179	46	56	at	at	IN
45179	46	57	safety	safety	NN
45179	46	58	.	.	.
45179	47	1	Could	Could	MD
45179	47	2	these	these	DT
45179	47	3	two	two	CD
45179	47	4	results	result	NNS
45179	47	5	be	be	VB
45179	47	6	accomplished	accomplish	VBN
45179	47	7	?	?	.
45179	48	1	Could	Could	MD
45179	48	2	the	the	DT
45179	48	3	rails	rail	NNS
45179	48	4	be	be	VB
45179	48	5	used	use	VBN
45179	48	6	in	in	IN
45179	48	7	any	any	DT
45179	48	8	way	way	NN
45179	48	9	to	to	TO
45179	48	10	carry	carry	VB
45179	48	11	the	the	DT
45179	48	12	primary	primary	JJ
45179	48	13	current	current	NN
45179	48	14	in	in	IN
45179	48	15	a	a	DT
45179	48	16	reliable	reliable	JJ
45179	48	17	manner	manner	NN
45179	48	18	?	?	.
45179	49	1	Manifestly	manifestly	RB
45179	49	2	not	not	RB
45179	49	3	by	by	IN
45179	49	4	any	any	DT
45179	49	5	open	open	JJ
45179	49	6	circuit	circuit	NN
45179	49	7	means	mean	NNS
45179	49	8	,	,	,
45179	49	9	for	for	IN
45179	49	10	the	the	DT
45179	49	11	reason	reason	NN
45179	49	12	that	that	WDT
45179	49	13	sections	section	NNS
45179	49	14	of	of	IN
45179	49	15	rails	rail	NNS
45179	49	16	of	of	IN
45179	49	17	even	even	RB
45179	49	18	moderate	moderate	JJ
45179	49	19	length	length	NN
45179	49	20	,	,	,
45179	49	21	on	on	IN
45179	49	22	open	open	JJ
45179	49	23	circuit	circuit	NN
45179	49	24	,	,	,
45179	49	25	would	would	MD
45179	49	26	form	form	VB
45179	49	27	a	a	DT
45179	49	28	good	good	JJ
45179	49	29	ground	ground	NN
45179	49	30	,	,	,
45179	49	31	especially	especially	RB
45179	49	32	in	in	IN
45179	49	33	damp	damp	JJ
45179	49	34	or	or	CC
45179	49	35	wet	wet	JJ
45179	49	36	weather	weather	NN
45179	49	37	,	,	,
45179	49	38	thus	thus	RB
45179	49	39	keeping	keep	VBG
45179	49	40	the	the	DT
45179	49	41	circuit	circuit	NN
45179	49	42	closed	close	VBN
45179	49	43	continuously	continuously	RB
45179	49	44	and	and	CC
45179	49	45	preventing	prevent	VBG
45179	49	46	any	any	DT
45179	49	47	operation	operation	NN
45179	49	48	of	of	IN
45179	49	49	any	any	DT
45179	49	50	kind	kind	NN
45179	49	51	.	.	.
45179	50	1	He	-PRON-	PRP
45179	50	2	at	at	IN
45179	50	3	once	once	RB
45179	50	4	cast	cast	VBD
45179	50	5	aside	aside	RB
45179	50	6	this	this	DT
45179	50	7	open	open	JJ
45179	50	8	rail	rail	NN
45179	50	9	circuit	circuit	NN
45179	50	10	idea	idea	NN
45179	50	11	as	as	IN
45179	50	12	fruitless	fruitless	JJ
45179	50	13	,	,	,
45179	50	14	and	and	CC
45179	50	15	having	have	VBG
45179	50	16	previously	previously	RB
45179	50	17	,	,	,
45179	50	18	in	in	IN
45179	50	19	1869	1869	CD
45179	50	20	-	-	SYM
45179	50	21	70	70	CD
45179	50	22	,	,	,
45179	50	23	used	use	VBD
45179	50	24	the	the	DT
45179	50	25	short	short	JJ
45179	50	26	circuiting	circuit	VBG
45179	50	27	principle	principle	NN
45179	50	28	in	in	IN
45179	50	29	his	-PRON-	PRP$
45179	50	30	model	model	NN
45179	50	31	,	,	,
45179	50	32	as	as	IN
45179	50	33	above	above	RB
45179	50	34	stated	state	VBN
45179	50	35	,	,	,
45179	50	36	he	-PRON-	PRP
45179	50	37	concluded	conclude	VBD
45179	50	38	that	that	IN
45179	50	39	this	this	DT
45179	50	40	principle	principle	NN
45179	50	41	presented	present	VBD
45179	50	42	the	the	DT
45179	50	43	only	only	JJ
45179	50	44	possible	possible	JJ
45179	50	45	solution	solution	NN
45179	50	46	of	of	IN
45179	50	47	the	the	DT
45179	50	48	problem	problem	NN
45179	50	49	.	.	.
45179	51	1	He	-PRON-	PRP
45179	51	2	then	then	RB
45179	51	3	made	make	VBD
45179	51	4	drawings	drawing	NNS
45179	51	5	of	of	IN
45179	51	6	the	the	DT
45179	51	7	closed	close	VBN
45179	51	8	rail	rail	NN
45179	51	9	circuit	circuit	NN
45179	51	10	system	system	NN
45179	51	11	substantially	substantially	RB
45179	51	12	as	as	IN
45179	51	13	it	-PRON-	PRP
45179	51	14	is	be	VBZ
45179	51	15	used	use	VBN
45179	51	16	today	today	NN
45179	51	17	,	,	,
45179	51	18	and	and	CC
45179	51	19	in	in	IN
45179	51	20	1871	1871	CD
45179	51	21	applied	apply	VBD
45179	51	22	for	for	IN
45179	51	23	a	a	DT
45179	51	24	patent	patent	NN
45179	51	25	thereon	thereon	NN
45179	51	26	,	,	,
45179	51	27	broadly	broadly	RB
45179	51	28	covering	cover	VBG
45179	51	29	the	the	DT
45179	51	30	closed	close	VBN
45179	51	31	rail	rail	NN
45179	51	32	circuit	circuit	NN
45179	51	33	system	system	NN
45179	51	34	.	.	.
45179	52	1	In	in	IN
45179	52	2	1872	1872	CD
45179	52	3	he	-PRON-	PRP
45179	52	4	made	make	VBD
45179	52	5	an	an	DT
45179	52	6	exhibition	exhibition	NN
45179	52	7	of	of	IN
45179	52	8	this	this	DT
45179	52	9	system	system	NN
45179	52	10	at	at	IN
45179	52	11	the	the	DT
45179	52	12	State	State	NNP
45179	52	13	Fair	Fair	NNP
45179	52	14	,	,	,
45179	52	15	held	hold	VBN
45179	52	16	at	at	IN
45179	52	17	Erie	Erie	NNP
45179	52	18	,	,	,
45179	52	19	Pa.	Pennsylvania	NNP
45179	53	1	Here	here	RB
45179	53	2	he	-PRON-	PRP
45179	53	3	placed	place	VBD
45179	53	4	a	a	DT
45179	53	5	large	large	JJ
45179	53	6	gong	gong	NN
45179	53	7	on	on	IN
45179	53	8	the	the	DT
45179	53	9	end	end	NN
45179	53	10	of	of	IN
45179	53	11	one	one	CD
45179	53	12	of	of	IN
45179	53	13	the	the	DT
45179	53	14	buildings	building	NNS
45179	53	15	,	,	,
45179	53	16	on	on	IN
45179	53	17	the	the	DT
45179	53	18	outside	outside	NN
45179	53	19	,	,	,
45179	53	20	and	and	CC
45179	53	21	inside	inside	IN
45179	53	22	he	-PRON-	PRP
45179	53	23	had	have	VBD
45179	53	24	a	a	DT
45179	53	25	track	track	NN
45179	53	26	made	make	VBN
45179	53	27	in	in	IN
45179	53	28	sections	section	NNS
45179	53	29	placed	place	VBN
45179	53	30	in	in	IN
45179	53	31	a	a	DT
45179	53	32	long	long	JJ
45179	53	33	water	water	NN
45179	53	34	tank	tank	NN
45179	53	35	made	make	VBN
45179	53	36	for	for	IN
45179	53	37	the	the	DT
45179	53	38	purpose	purpose	NN
45179	53	39	.	.	.
45179	54	1	The	the	DT
45179	54	2	track	track	NN
45179	54	3	was	be	VBD
45179	54	4	covered	cover	VBN
45179	54	5	several	several	JJ
45179	54	6	inches	inch	NNS
45179	54	7	deep	deep	JJ
45179	54	8	with	with	IN
45179	54	9	water	water	NN
45179	54	10	and	and	CC
45179	54	11	the	the	DT
45179	54	12	running	run	VBG
45179	54	13	gear	gear	NN
45179	54	14	of	of	IN
45179	54	15	the	the	DT
45179	54	16	car	car	NN
45179	54	17	model	model	NN
45179	54	18	was	be	VBD
45179	54	19	similarly	similarly	RB
45179	54	20	immersed	immerse	VBN
45179	54	21	.	.	.
45179	55	1	The	the	DT
45179	55	2	system	system	NN
45179	55	3	was	be	VBD
45179	55	4	connected	connect	VBN
45179	55	5	on	on	IN
45179	55	6	the	the	DT
45179	55	7	short	short	JJ
45179	55	8	circuit	circuit	NN
45179	55	9	principle	principle	NN
45179	55	10	through	through	IN
45179	55	11	the	the	DT
45179	55	12	rails	rail	NNS
45179	55	13	.	.	.
45179	56	1	Wires	wire	NNS
45179	56	2	connected	connect	VBD
45179	56	3	the	the	DT
45179	56	4	gong	gong	NN
45179	56	5	with	with	IN
45179	56	6	the	the	DT
45179	56	7	back	back	JJ
45179	56	8	contact	contact	NN
45179	56	9	of	of	IN
45179	56	10	the	the	DT
45179	56	11	track	track	NN
45179	56	12	relay	relay	NN
45179	56	13	.	.	.
45179	57	1	The	the	DT
45179	57	2	water	water	NN
45179	57	3	had	have	VBD
45179	57	4	no	no	DT
45179	57	5	perceptible	perceptible	JJ
45179	57	6	effect	effect	NN
45179	57	7	on	on	IN
45179	57	8	the	the	DT
45179	57	9	operation	operation	NN
45179	57	10	of	of	IN
45179	57	11	the	the	DT
45179	57	12	apparatus	apparatus	NN
45179	57	13	,	,	,
45179	57	14	and	and	CC
45179	57	15	when	when	WRB
45179	57	16	the	the	DT
45179	57	17	car	car	NN
45179	57	18	was	be	VBD
45179	57	19	run	run	VBN
45179	57	20	on	on	IN
45179	57	21	the	the	DT
45179	57	22	signal	signal	NN
45179	57	23	section	section	NN
45179	57	24	it	-PRON-	PRP
45179	57	25	short	short	RB
45179	57	26	circuited	circuit	VBD
45179	57	27	the	the	DT
45179	57	28	current	current	NN
45179	57	29	from	from	IN
45179	57	30	the	the	DT
45179	57	31	relay	relay	NN
45179	57	32	,	,	,
45179	57	33	which	which	WDT
45179	57	34	,	,	,
45179	57	35	releasing	release	VBG
45179	57	36	its	-PRON-	PRP$
45179	57	37	armature	armature	NN
45179	57	38	,	,	,
45179	57	39	closed	close	VBD
45179	57	40	circuit	circuit	NN
45179	57	41	through	through	IN
45179	57	42	its	-PRON-	PRP$
45179	57	43	back	back	JJ
45179	57	44	contact	contact	NN
45179	57	45	and	and	CC
45179	57	46	thus	thus	RB
45179	57	47	through	through	IN
45179	57	48	the	the	DT
45179	57	49	magnet	magnet	NN
45179	57	50	of	of	IN
45179	57	51	the	the	DT
45179	57	52	gong	gong	NNP
45179	57	53	circuit	circuit	NNP
45179	57	54	,	,	,
45179	57	55	thus	thus	RB
45179	57	56	setting	set	VBG
45179	57	57	the	the	DT
45179	57	58	gong	gong	NN
45179	57	59	ringing	ring	VBG
45179	57	60	loud	loud	RB
45179	57	61	enough	enough	RB
45179	57	62	to	to	TO
45179	57	63	be	be	VB
45179	57	64	heard	hear	VBN
45179	57	65	all	all	RB
45179	57	66	over	over	IN
45179	57	67	the	the	DT
45179	57	68	grounds	ground	NNS
45179	57	69	.	.	.
45179	58	1	On	on	IN
45179	58	2	running	run	VBG
45179	58	3	the	the	DT
45179	58	4	car	car	NN
45179	58	5	off	off	IN
45179	58	6	the	the	DT
45179	58	7	section	section	NN
45179	58	8	the	the	DT
45179	58	9	current	current	NN
45179	58	10	returned	return	VBD
45179	58	11	to	to	IN
45179	58	12	the	the	DT
45179	58	13	relay	relay	NN
45179	58	14	energizing	energize	VBG
45179	58	15	the	the	DT
45179	58	16	same	same	JJ
45179	58	17	and	and	CC
45179	58	18	thus	thus	RB
45179	58	19	opening	open	VBG
45179	58	20	the	the	DT
45179	58	21	gong	gong	NNP
45179	58	22	circuit	circuit	NN
45179	58	23	at	at	IN
45179	58	24	the	the	DT
45179	58	25	back	back	JJ
45179	58	26	contact	contact	NN
45179	58	27	of	of	IN
45179	58	28	the	the	DT
45179	58	29	relay	relay	NN
45179	58	30	,	,	,
45179	58	31	thereby	thereby	RB
45179	58	32	causing	cause	VBG
45179	58	33	the	the	DT
45179	58	34	gong	gong	NN
45179	58	35	to	to	TO
45179	58	36	cease	cease	VB
45179	58	37	ringing	ringing	NN
45179	58	38	.	.	.
45179	59	1	The	the	DT
45179	59	2	whole	whole	JJ
45179	59	3	operation	operation	NN
45179	59	4	was	be	VBD
45179	59	5	perfect	perfect	JJ
45179	59	6	,	,	,
45179	59	7	demonstrating	demonstrate	VBG
45179	59	8	the	the	DT
45179	59	9	successful	successful	JJ
45179	59	10	operation	operation	NN
45179	59	11	of	of	IN
45179	59	12	the	the	DT
45179	59	13	closed	close	VBN
45179	59	14	circuit	circuit	NN
45179	59	15	system	system	NN
45179	59	16	,	,	,
45179	59	17	and	and	CC
45179	59	18	attracted	attract	VBD
45179	59	19	great	great	JJ
45179	59	20	crowds	crowd	NNS
45179	59	21	of	of	IN
45179	59	22	people	people	NNS
45179	59	23	as	as	RB
45179	59	24	well	well	RB
45179	59	25	as	as	IN
45179	59	26	the	the	DT
45179	59	27	marked	marked	JJ
45179	59	28	attention	attention	NN
45179	59	29	of	of	IN
45179	59	30	practical	practical	JJ
45179	59	31	railroad	railroad	NN
45179	59	32	men	man	NNS
45179	59	33	.	.	.
45179	60	1	It	-PRON-	PRP
45179	60	2	will	will	MD
45179	60	3	be	be	VB
45179	60	4	understood	understand	VBN
45179	60	5	,	,	,
45179	60	6	of	of	IN
45179	60	7	course	course	NN
45179	60	8	,	,	,
45179	60	9	that	that	IN
45179	60	10	the	the	DT
45179	60	11	local	local	JJ
45179	60	12	circuit	circuit	NN
45179	60	13	may	may	MD
45179	60	14	be	be	VB
45179	60	15	normally	normally	RB
45179	60	16	open	open	JJ
45179	60	17	as	as	IN
45179	60	18	above	above	RB
45179	60	19	described	describe	VBN
45179	60	20	and	and	CC
45179	60	21	used	use	VBN
45179	60	22	,	,	,
45179	60	23	or	or	CC
45179	60	24	normally	normally	RB
45179	60	25	closed	close	VBN
45179	60	26	as	as	IN
45179	60	27	now	now	RB
45179	60	28	commonly	commonly	RB
45179	60	29	used	use	VBN
45179	60	30	,	,	,
45179	60	31	according	accord	VBG
45179	60	32	to	to	IN
45179	60	33	the	the	DT
45179	60	34	exigencies	exigency	NNS
45179	60	35	or	or	CC
45179	60	36	requirements	requirement	NNS
45179	60	37	,	,	,
45179	60	38	or	or	CC
45179	60	39	preferences	preference	NNS
45179	60	40	of	of	IN
45179	60	41	the	the	DT
45179	60	42	parties	party	NNS
45179	60	43	using	use	VBG
45179	60	44	the	the	DT
45179	60	45	same	same	JJ
45179	60	46	,	,	,
45179	60	47	and	and	CC
45179	60	48	when	when	WRB
45179	60	49	desired	desire	VBN
45179	60	50	,	,	,
45179	60	51	a	a	DT
45179	60	52	visual	visual	JJ
45179	60	53	signal	signal	NN
45179	60	54	may	may	MD
45179	60	55	be	be	VB
45179	60	56	substituted	substitute	VBN
45179	60	57	for	for	IN
45179	60	58	the	the	DT
45179	60	59	audible	audible	JJ
45179	60	60	signal	signal	NN
45179	60	61	above	above	IN
45179	60	62	described	describe	VBN
45179	60	63	.	.	.
45179	61	1	These	these	DT
45179	61	2	are	be	VBP
45179	61	3	all	all	DT
45179	61	4	minor	minor	JJ
45179	61	5	details	detail	NNS
45179	61	6	not	not	RB
45179	61	7	involving	involve	VBG
45179	61	8	separate	separate	JJ
45179	61	9	invention	invention	NN
45179	61	10	.	.	.
45179	62	1	Mr.	Mr.	NNP
45179	62	2	Robinson	Robinson	NNP
45179	62	3	had	have	VBD
45179	62	4	previously	previously	RB
45179	62	5	explained	explain	VBN
45179	62	6	the	the	DT
45179	62	7	new	new	JJ
45179	62	8	closed	closed	JJ
45179	62	9	rail	rail	NN
45179	62	10	circuit	circuit	NN
45179	62	11	system	system	NN
45179	62	12	to	to	IN
45179	62	13	Mr.	Mr.	NNP
45179	62	14	Baldwin	Baldwin	NNP
45179	62	15	,	,	,
45179	62	16	who	who	WP
45179	62	17	was	be	VBD
45179	62	18	greatly	greatly	RB
45179	62	19	interested	interested	JJ
45179	62	20	and	and	CC
45179	62	21	expressed	express	VBD
45179	62	22	his	-PRON-	PRP$
45179	62	23	confidence	confidence	NN
45179	62	24	in	in	IN
45179	62	25	it	-PRON-	PRP
45179	62	26	and	and	CC
45179	62	27	requested	request	VBD
45179	62	28	Mr.	Mr.	NNP
45179	62	29	Robinson	Robinson	NNP
45179	62	30	to	to	TO
45179	62	31	install	install	VB
45179	62	32	the	the	DT
45179	62	33	system	system	NN
45179	62	34	at	at	IN
45179	62	35	Kinzua	Kinzua	NNP
45179	62	36	,	,	,
45179	62	37	where	where	WRB
45179	62	38	he	-PRON-	PRP
45179	62	39	had	have	VBD
45179	62	40	already	already	RB
45179	62	41	installed	instal	VBN
45179	62	42	the	the	DT
45179	62	43	open	open	JJ
45179	62	44	circuit	circuit	NN
45179	62	45	wire	wire	NN
45179	62	46	system	system	NN
45179	62	47	.	.	.
45179	63	1	[	[	-LRB-
45179	63	2	Illustration	illustration	NN
45179	63	3	:	:	:
45179	63	4	Fig	Fig	NNP
45179	63	5	.	.	.
45179	64	1	1	1	LS
45179	64	2	.	.	.
45179	65	1	Robinson	Robinson	NNP
45179	65	2	's	's	POS
45179	65	3	Closed	Closed	NNP
45179	65	4	Rail	Rail	NNP
45179	65	5	Circuit	Circuit	NNP
45179	65	6	System	System	NNP
45179	65	7	.	.	.
45179	66	1	Philadelphia	Philadelphia	NNP
45179	66	2	&	&	CC
45179	66	3	Erie	Erie	NNP
45179	66	4	Railroad	Railroad	NNP
45179	66	5	,	,	,
45179	66	6	1872	1872	CD
45179	66	7	.	.	.
45179	66	8	]	]	-RRB-
45179	67	1	As	as	IN
45179	67	2	all	all	PDT
45179	67	3	the	the	DT
45179	67	4	signal	signal	JJ
45179	67	5	apparatus	apparatus	NN
45179	67	6	,	,	,
45179	67	7	relays	relay	NNS
45179	67	8	,	,	,
45179	67	9	batteries	battery	NNS
45179	67	10	,	,	,
45179	67	11	office	office	NN
45179	67	12	switches	switch	NNS
45179	67	13	and	and	CC
45179	67	14	overlapping	overlapping	NN
45179	67	15	devices	device	NNS
45179	67	16	were	be	VBD
45179	67	17	already	already	RB
45179	67	18	in	in	IN
45179	67	19	operation	operation	NN
45179	67	20	there	there	RB
45179	67	21	,	,	,
45179	67	22	it	-PRON-	PRP
45179	67	23	took	take	VBD
45179	67	24	but	but	CC
45179	67	25	a	a	DT
45179	67	26	short	short	JJ
45179	67	27	time	time	NN
45179	67	28	to	to	TO
45179	67	29	convert	convert	VB
45179	67	30	this	this	DT
45179	67	31	open	open	JJ
45179	67	32	circuit	circuit	NN
45179	67	33	system	system	NN
45179	67	34	into	into	IN
45179	67	35	a	a	DT
45179	67	36	closed	close	VBN
45179	67	37	rail	rail	NN
45179	67	38	circuit	circuit	NN
45179	67	39	system	system	NN
45179	67	40	.	.	.
45179	68	1	The	the	DT
45179	68	2	first	first	JJ
45179	68	3	experiments	experiment	NNS
45179	68	4	proved	prove	VBD
45179	68	5	conclusively	conclusively	RB
45179	68	6	that	that	IN
45179	68	7	the	the	DT
45179	68	8	system	system	NN
45179	68	9	would	would	MD
45179	68	10	work	work	VB
45179	68	11	.	.	.
45179	69	1	The	the	DT
45179	69	2	track	track	NN
45179	69	3	,	,	,
45179	69	4	however	however	RB
45179	69	5	,	,	,
45179	69	6	was	be	VBD
45179	69	7	in	in	IN
45179	69	8	a	a	DT
45179	69	9	fearfully	fearfully	RB
45179	69	10	unsuitable	unsuitable	JJ
45179	69	11	condition	condition	NN
45179	69	12	for	for	IN
45179	69	13	the	the	DT
45179	69	14	purpose	purpose	NN
45179	69	15	.	.	.
45179	70	1	The	the	DT
45179	70	2	light	light	JJ
45179	70	3	rails	rail	NNS
45179	70	4	were	be	VBD
45179	70	5	fished	fish	VBN
45179	70	6	together	together	RB
45179	70	7	by	by	IN
45179	70	8	a	a	DT
45179	70	9	four	four	CD
45179	70	10	foot	foot	NN
45179	70	11	wooden	wooden	JJ
45179	70	12	bar	bar	NN
45179	70	13	on	on	IN
45179	70	14	the	the	DT
45179	70	15	outside	outside	NN
45179	70	16	,	,	,
45179	70	17	and	and	CC
45179	70	18	a	a	DT
45179	70	19	twelve	twelve	CD
45179	70	20	inch	inch	NN
45179	70	21	fish	fish	NN
45179	70	22	plate	plate	NN
45179	70	23	on	on	IN
45179	70	24	the	the	DT
45179	70	25	inside	inside	NN
45179	70	26	.	.	.
45179	71	1	There	there	EX
45179	71	2	were	be	VBD
45179	71	3	two	two	CD
45179	71	4	holes	hole	NNS
45179	71	5	through	through	IN
45179	71	6	the	the	DT
45179	71	7	iron	iron	NN
45179	71	8	fish	fish	NN
45179	71	9	plate	plate	NN
45179	71	10	,	,	,
45179	71	11	allowing	allow	VBG
45179	71	12	one	one	CD
45179	71	13	bolt	bolt	NN
45179	71	14	for	for	IN
45179	71	15	each	each	DT
45179	71	16	rail	rail	NN
45179	71	17	and	and	CC
45179	71	18	four	four	CD
45179	71	19	holes	hole	NNS
45179	71	20	through	through	IN
45179	71	21	the	the	DT
45179	71	22	wooden	wooden	JJ
45179	71	23	bar	bar	NN
45179	71	24	,	,	,
45179	71	25	two	two	CD
45179	71	26	for	for	IN
45179	71	27	each	each	DT
45179	71	28	rail	rail	NN
45179	71	29	.	.	.
45179	72	1	However	however	RB
45179	72	2	,	,	,
45179	72	3	with	with	IN
45179	72	4	a	a	DT
45179	72	5	little	little	JJ
45179	72	6	care	care	NN
45179	72	7	he	-PRON-	PRP
45179	72	8	managed	manage	VBD
45179	72	9	to	to	TO
45179	72	10	get	get	VB
45179	72	11	the	the	DT
45179	72	12	current	current	JJ
45179	72	13	working	work	VBG
45179	72	14	through	through	IN
45179	72	15	the	the	DT
45179	72	16	whole	whole	JJ
45179	72	17	length	length	NN
45179	72	18	of	of	IN
45179	72	19	the	the	DT
45179	72	20	section	section	NN
45179	72	21	about	about	IN
45179	72	22	a	a	DT
45179	72	23	mile	mile	NN
45179	72	24	and	and	CC
45179	72	25	a	a	DT
45179	72	26	quarter	quarter	NN
45179	72	27	in	in	IN
45179	72	28	length	length	NN
45179	72	29	.	.	.
45179	73	1	It	-PRON-	PRP
45179	73	2	was	be	VBD
45179	73	3	evident	evident	JJ
45179	73	4	,	,	,
45179	73	5	however	however	RB
45179	73	6	,	,	,
45179	73	7	that	that	IN
45179	73	8	on	on	IN
45179	73	9	such	such	PDT
45179	73	10	a	a	DT
45179	73	11	section	section	NN
45179	73	12	as	as	IN
45179	73	13	this	this	DT
45179	73	14	a	a	DT
45179	73	15	rail	rail	NN
45179	73	16	bond	bond	NN
45179	73	17	of	of	IN
45179	73	18	some	some	DT
45179	73	19	kind	kind	NN
45179	73	20	would	would	MD
45179	73	21	be	be	VB
45179	73	22	necessary	necessary	JJ
45179	73	23	for	for	IN
45179	73	24	reliable	reliable	JJ
45179	73	25	,	,	,
45179	73	26	continuous	continuous	JJ
45179	73	27	service	service	NN
45179	73	28	,	,	,
45179	73	29	and	and	CC
45179	73	30	here	here	RB
45179	73	31	,	,	,
45179	73	32	at	at	IN
45179	73	33	this	this	DT
45179	73	34	time	time	NN
45179	73	35	,	,	,
45179	73	36	in	in	IN
45179	73	37	1872	1872	CD
45179	73	38	Mr.	Mr.	NNP
45179	73	39	Robinson	Robinson	NNP
45179	73	40	conceived	conceive	VBD
45179	73	41	the	the	DT
45179	73	42	invention	invention	NN
45179	73	43	of	of	IN
45179	73	44	the	the	DT
45179	73	45	bond	bond	NN
45179	73	46	wire	wire	NN
45179	73	47	method	method	NN
45179	73	48	of	of	IN
45179	73	49	electrically	electrically	RB
45179	73	50	connecting	connect	VBG
45179	73	51	the	the	DT
45179	73	52	rails	rail	NNS
45179	73	53	,	,	,
45179	73	54	now	now	RB
45179	73	55	in	in	IN
45179	73	56	universal	universal	JJ
45179	73	57	use	use	NN
45179	73	58	,	,	,
45179	73	59	or	or	CC
45179	73	60	its	-PRON-	PRP$
45179	73	61	equivalent	equivalent	JJ
45179	73	62	,	,	,
45179	73	63	on	on	IN
45179	73	64	every	every	DT
45179	73	65	electric	electric	JJ
45179	73	66	railway	railway	NN
45179	73	67	throughout	throughout	IN
45179	73	68	the	the	DT
45179	73	69	world	world	NN
45179	73	70	using	use	VBG
45179	73	71	the	the	DT
45179	73	72	rails	rail	NNS
45179	73	73	for	for	IN
45179	73	74	a	a	DT
45179	73	75	return	return	NN
45179	73	76	.	.	.
45179	74	1	As	as	IN
45179	74	2	it	-PRON-	PRP
45179	74	3	had	have	VBD
45179	74	4	been	be	VBN
45179	74	5	determined	determine	VBN
45179	74	6	to	to	TO
45179	74	7	lay	lay	VB
45179	74	8	new	new	JJ
45179	74	9	rails	rail	NNS
45179	74	10	at	at	IN
45179	74	11	Kinzua	Kinzua	NNP
45179	74	12	,	,	,
45179	74	13	another	another	DT
45179	74	14	installation	installation	NN
45179	74	15	of	of	IN
45179	74	16	the	the	DT
45179	74	17	closed	close	VBN
45179	74	18	rail	rail	NNP
45179	74	19	circuit	circuit	NN
45179	74	20	system	system	NN
45179	74	21	was	be	VBD
45179	74	22	ordered	order	VBN
45179	74	23	and	and	CC
45179	74	24	immediately	immediately	RB
45179	74	25	made	make	VBN
45179	74	26	at	at	IN
45179	74	27	Irvineton	Irvineton	NNP
45179	74	28	,	,	,
45179	74	29	Pa.	Pennsylvania	NNP
45179	75	1	This	this	DT
45179	75	2	signal	signal	NN
45179	75	3	is	be	VBZ
45179	75	4	illustrated	illustrate	VBN
45179	75	5	in	in	IN
45179	75	6	Fig	Fig	NNP
45179	75	7	.	.	.
45179	76	1	1	1	LS
45179	76	2	.	.	.
45179	77	1	It	-PRON-	PRP
45179	77	2	will	will	MD
45179	77	3	be	be	VB
45179	77	4	observed	observe	VBN
45179	77	5	that	that	IN
45179	77	6	the	the	DT
45179	77	7	above	above	JJ
45179	77	8	installation	installation	NN
45179	77	9	,	,	,
45179	77	10	like	like	IN
45179	77	11	that	that	DT
45179	77	12	at	at	IN
45179	77	13	Kinzua	Kinzua	NNP
45179	77	14	,	,	,
45179	77	15	not	not	RB
45179	77	16	only	only	RB
45179	77	17	displays	display	VBZ
45179	77	18	a	a	DT
45179	77	19	visual	visual	JJ
45179	77	20	block	block	NN
45179	77	21	signal	signal	NN
45179	77	22	,	,	,
45179	77	23	but	but	CC
45179	77	24	also	also	RB
45179	77	25	operates	operate	VBZ
45179	77	26	in	in	IN
45179	77	27	connection	connection	NN
45179	77	28	therewith	therewith	IN
45179	77	29	a	a	DT
45179	77	30	loud	loud	JJ
45179	77	31	gong	gong	NN
45179	77	32	which	which	WDT
45179	77	33	has	have	VBZ
45179	77	34	been	be	VBN
45179	77	35	easily	easily	RB
45179	77	36	heard	hear	VBN
45179	77	37	at	at	IN
45179	77	38	a	a	DT
45179	77	39	distance	distance	NN
45179	77	40	of	of	IN
45179	77	41	a	a	DT
45179	77	42	half	half	NN
45179	77	43	mile	mile	NN
45179	77	44	,	,	,
45179	77	45	and	and	CC
45179	77	46	was	be	VBD
45179	77	47	really	really	RB
45179	77	48	heard	hear	VBN
45179	77	49	by	by	IN
45179	77	50	passengers	passenger	NNS
45179	77	51	in	in	IN
45179	77	52	trains	train	NNS
45179	77	53	passing	pass	VBG
45179	77	54	,	,	,
45179	77	55	with	with	IN
45179	77	56	closed	closed	JJ
45179	77	57	windows	window	NNS
45179	77	58	.	.	.
45179	78	1	An	an	DT
45179	78	2	engineer	engineer	NN
45179	78	3	could	could	MD
45179	78	4	not	not	RB
45179	78	5	possibly	possibly	RB
45179	78	6	pass	pass	VB
45179	78	7	without	without	IN
45179	78	8	hearing	hear	VBG
45179	78	9	it	-PRON-	PRP
45179	78	10	.	.	.
45179	79	1	A	a	DT
45179	79	2	wire	wire	NN
45179	79	3	is	be	VBZ
45179	79	4	seen	see	VBN
45179	79	5	at	at	IN
45179	79	6	the	the	DT
45179	79	7	upper	upper	JJ
45179	79	8	part	part	NN
45179	79	9	of	of	IN
45179	79	10	the	the	DT
45179	79	11	signal	signal	NNP
45179	79	12	box	box	NN
45179	79	13	,	,	,
45179	79	14	running	run	VBG
45179	79	15	out	out	RP
45179	79	16	to	to	IN
45179	79	17	the	the	DT
45179	79	18	right	right	NN
45179	79	19	.	.	.
45179	80	1	This	this	DT
45179	80	2	is	be	VBZ
45179	80	3	an	an	DT
45179	80	4	overlapping	overlap	VBG
45179	80	5	signal	signal	NN
45179	80	6	wire	wire	NN
45179	80	7	.	.	.
45179	81	1	A	a	DT
45179	81	2	tell	tell	JJ
45179	81	3	-	-	HYPH
45179	81	4	tale	tale	NN
45179	81	5	bell	bell	NN
45179	81	6	was	be	VBD
45179	81	7	also	also	RB
45179	81	8	placed	place	VBN
45179	81	9	in	in	IN
45179	81	10	the	the	DT
45179	81	11	station	station	NN
45179	81	12	,	,	,
45179	81	13	indicating	indicate	VBG
45179	81	14	the	the	DT
45179	81	15	actual	actual	JJ
45179	81	16	position	position	NN
45179	81	17	of	of	IN
45179	81	18	the	the	DT
45179	81	19	signal	signal	NN
45179	81	20	,	,	,
45179	81	21	and	and	CC
45179	81	22	also	also	RB
45179	81	23	a	a	DT
45179	81	24	manual	manual	JJ
45179	81	25	switch	switch	NN
45179	81	26	,	,	,
45179	81	27	whereby	whereby	WRB
45179	81	28	the	the	DT
45179	81	29	agent	agent	NN
45179	81	30	could	could	MD
45179	81	31	at	at	IN
45179	81	32	any	any	DT
45179	81	33	time	time	NN
45179	81	34	cut	cut	VBN
45179	81	35	off	off	RP
45179	81	36	or	or	CC
45179	81	37	short	short	JJ
45179	81	38	circuit	circuit	NN
45179	81	39	the	the	DT
45179	81	40	track	track	NN
45179	81	41	battery	battery	NN
45179	81	42	and	and	CC
45179	81	43	expose	expose	VB
45179	81	44	the	the	DT
45179	81	45	danger	danger	NN
45179	81	46	signal	signal	NN
45179	81	47	against	against	IN
45179	81	48	a	a	DT
45179	81	49	train	train	NN
45179	81	50	and	and	CC
45179	81	51	instantly	instantly	RB
45179	81	52	receive	receive	VBP
45179	81	53	a	a	DT
45179	81	54	return	return	NN
45179	81	55	signal	signal	NN
45179	81	56	when	when	WRB
45179	81	57	the	the	DT
45179	81	58	danger	danger	NN
45179	81	59	signal	signal	NN
45179	81	60	was	be	VBD
45179	81	61	actually	actually	RB
45179	81	62	exposed	expose	VBN
45179	81	63	.	.	.
45179	82	1	The	the	DT
45179	82	2	Irvineton	Irvineton	NNP
45179	82	3	installation	installation	NN
45179	82	4	worked	work	VBD
45179	82	5	perfectly	perfectly	RB
45179	82	6	from	from	IN
45179	82	7	the	the	DT
45179	82	8	first	first	JJ
45179	82	9	never	never	RB
45179	82	10	failing	fail	VBG
45179	82	11	.	.	.
45179	83	1	The	the	DT
45179	83	2	locomotive	locomotive	JJ
45179	83	3	engineers	engineer	NNS
45179	83	4	were	be	VBD
45179	83	5	delighted	delighted	JJ
45179	83	6	with	with	IN
45179	83	7	it	-PRON-	PRP
45179	83	8	and	and	CC
45179	83	9	soon	soon	RB
45179	83	10	gave	give	VBD
45179	83	11	it	-PRON-	PRP
45179	83	12	the	the	DT
45179	83	13	name	name	NN
45179	83	14	of	of	IN
45179	83	15	"	"	``
45179	83	16	The	the	DT
45179	83	17	old	old	JJ
45179	83	18	reliable	reliable	JJ
45179	83	19	.	.	.
45179	83	20	"	"	''
45179	84	1	[	[	-LRB-
45179	84	2	Illustration	illustration	NN
45179	84	3	:	:	:
45179	84	4	THE	the	DT
45179	84	5	ROBINSON	robinson	NN
45179	84	6	CLOSED	close	VBD
45179	84	7	RAIL	rail	NN
45179	84	8	CIRCUIT	CIRCUIT	NNP
45179	84	9	.	.	.
45179	85	1	Fig	fig	NN
45179	85	2	.	.	.
45179	86	1	2	2	LS
45179	86	2	.	.	.
45179	87	1	Wm	Wm	NNP
45179	87	2	.	.	.
45179	88	1	Robinson	Robinson	NNP
45179	88	2	,	,	,
45179	88	3	1871	1871	CD
45179	88	4	,	,	,
45179	88	5	Patented	Patented	NNP
45179	88	6	in	in	IN
45179	88	7	France	France	NNP
45179	88	8	,	,	,
45179	88	9	February	February	NNP
45179	88	10	29	29	CD
45179	88	11	,	,	,
45179	88	12	1872	1872	CD
45179	88	13	,	,	,
45179	88	14	and	and	CC
45179	88	15	United	United	NNP
45179	88	16	States	States	NNP
45179	88	17	August	August	NNP
45179	88	18	20	20	CD
45179	88	19	,	,	,
45179	88	20	1872	1872	CD
45179	88	21	.	.	.
45179	89	1	Re	Re	VBG
45179	89	2	-	-	HYPH
45179	89	3	issued	issue	VBN
45179	89	4	July	July	NNP
45179	89	5	7	7	CD
45179	89	6	,	,	,
45179	89	7	1874	1874	CD
45179	89	8	.	.	.
45179	90	1	No	no	UH
45179	90	2	.	.	.
45179	91	1	5958	5958	CD
45179	91	2	.	.	.
45179	91	3	]	]	-RRB-
45179	92	1	The	the	DT
45179	92	2	Robinson	Robinson	NNP
45179	92	3	closed	close	VBD
45179	92	4	rail	rail	NNP
45179	92	5	circuit	circuit	NN
45179	92	6	,	,	,
45179	92	7	which	which	WDT
45179	92	8	now	now	RB
45179	92	9	forms	form	VBZ
45179	92	10	the	the	DT
45179	92	11	basis	basis	NN
45179	92	12	,	,	,
45179	92	13	according	accord	VBG
45179	92	14	to	to	IN
45179	92	15	the	the	DT
45179	92	16	best	good	JJS
45179	92	17	information	information	NN
45179	92	18	,	,	,
45179	92	19	of	of	IN
45179	92	20	every	every	DT
45179	92	21	efficient	efficient	JJ
45179	92	22	automatic	automatic	JJ
45179	92	23	electric	electric	NNP
45179	92	24	,	,	,
45179	92	25	electro	electro	NNP
45179	92	26	-	-	HYPH
45179	92	27	pneumatic	pneumatic	JJ
45179	92	28	and	and	CC
45179	92	29	electrically	electrically	RB
45179	92	30	controlled	control	VBN
45179	92	31	fluid	fluid	JJ
45179	92	32	pressure	pressure	NN
45179	92	33	system	system	NN
45179	92	34	throughout	throughout	IN
45179	92	35	the	the	DT
45179	92	36	world	world	NN
45179	92	37	,	,	,
45179	92	38	is	be	VBZ
45179	92	39	illustrated	illustrate	VBN
45179	92	40	in	in	IN
45179	92	41	its	-PRON-	PRP$
45179	92	42	simplest	simple	JJS
45179	92	43	form	form	NN
45179	92	44	,	,	,
45179	92	45	in	in	IN
45179	92	46	Fig	Fig	NNP
45179	92	47	.	.	.
45179	93	1	2	2	LS
45179	93	2	.	.	.
45179	94	1	This	this	DT
45179	94	2	figure	figure	NN
45179	94	3	shows	show	VBZ
45179	94	4	the	the	DT
45179	94	5	railroad	railroad	NN
45179	94	6	track	track	NN
45179	94	7	divided	divide	VBN
45179	94	8	into	into	IN
45179	94	9	sections	section	NNS
45179	94	10	,	,	,
45179	94	11	a	a	DT
45179	94	12	mile	mile	NN
45179	94	13	more	more	RBR
45179	94	14	or	or	CC
45179	94	15	less	less	RBR
45179	94	16	in	in	IN
45179	94	17	length	length	NN
45179	94	18	,	,	,
45179	94	19	the	the	DT
45179	94	20	section	section	NN
45179	94	21	rails	rail	VBZ
45179	94	22	being	be	VBG
45179	94	23	insulated	insulate	VBN
45179	94	24	from	from	IN
45179	94	25	adjacent	adjacent	JJ
45179	94	26	sections	section	NNS
45179	94	27	.	.	.
45179	95	1	A	a	DT
45179	95	2	light	light	JJ
45179	95	3	battery	battery	NN
45179	95	4	has	have	VBZ
45179	95	5	its	-PRON-	PRP$
45179	95	6	terminals	terminal	NNS
45179	95	7	connected	connect	VBN
45179	95	8	to	to	IN
45179	95	9	the	the	DT
45179	95	10	opposite	opposite	JJ
45179	95	11	rails	rail	NNS
45179	95	12	at	at	IN
45179	95	13	one	one	CD
45179	95	14	end	end	NN
45179	95	15	of	of	IN
45179	95	16	the	the	DT
45179	95	17	section	section	NN
45179	95	18	and	and	CC
45179	95	19	at	at	IN
45179	95	20	the	the	DT
45179	95	21	other	other	JJ
45179	95	22	end	end	NN
45179	95	23	a	a	DT
45179	95	24	relay	relay	NN
45179	95	25	magnet	magnet	NN
45179	95	26	has	have	VBZ
45179	95	27	its	-PRON-	PRP$
45179	95	28	terminals	terminal	NNS
45179	95	29	connected	connect	VBN
45179	95	30	to	to	IN
45179	95	31	the	the	DT
45179	95	32	opposite	opposite	JJ
45179	95	33	rails	rail	NNS
45179	95	34	.	.	.
45179	96	1	Thus	thus	RB
45179	96	2	the	the	DT
45179	96	3	current	current	NN
45179	96	4	passes	pass	VBZ
45179	96	5	through	through	IN
45179	96	6	the	the	DT
45179	96	7	whole	whole	JJ
45179	96	8	length	length	NN
45179	96	9	of	of	IN
45179	96	10	the	the	DT
45179	96	11	section	section	NN
45179	96	12	,	,	,
45179	96	13	keeping	keep	VBG
45179	96	14	the	the	DT
45179	96	15	relay	relay	NN
45179	96	16	on	on	IN
45179	96	17	continuously	continuously	RB
45179	96	18	closed	close	VBN
45179	96	19	circuit	circuit	NN
45179	96	20	and	and	CC
45179	96	21	magnetized	magnetize	VBN
45179	96	22	as	as	IN
45179	96	23	its	-PRON-	PRP$
45179	96	24	normal	normal	JJ
45179	96	25	condition	condition	NN
45179	96	26	.	.	.
45179	97	1	The	the	DT
45179	97	2	relay	relay	NN
45179	97	3	thus	thus	RB
45179	97	4	keeps	keep	VBZ
45179	97	5	the	the	DT
45179	97	6	secondary	secondary	JJ
45179	97	7	circuit	circuit	NN
45179	97	8	,	,	,
45179	97	9	which	which	WDT
45179	97	10	directly	directly	RB
45179	97	11	controls	control	VBZ
45179	97	12	the	the	DT
45179	97	13	signal	signal	NN
45179	97	14	,	,	,
45179	97	15	normally	normally	RB
45179	97	16	closed	closed	JJ
45179	97	17	,	,	,
45179	97	18	whereby	whereby	WRB
45179	97	19	the	the	DT
45179	97	20	signal	signal	NN
45179	97	21	is	be	VBZ
45179	97	22	normally	normally	RB
45179	97	23	held	hold	VBN
45179	97	24	in	in	IN
45179	97	25	a	a	DT
45179	97	26	position	position	NN
45179	97	27	indicating	indicate	VBG
45179	97	28	safety	safety	NN
45179	97	29	.	.	.
45179	98	1	When	when	WRB
45179	98	2	a	a	DT
45179	98	3	train	train	NN
45179	98	4	enters	enter	VBZ
45179	98	5	upon	upon	IN
45179	98	6	the	the	DT
45179	98	7	section	section	NN
45179	98	8	,	,	,
45179	98	9	the	the	DT
45179	98	10	wheels	wheel	NNS
45179	98	11	and	and	CC
45179	98	12	axles	axle	NNS
45179	98	13	,	,	,
45179	98	14	connecting	connect	VBG
45179	98	15	the	the	DT
45179	98	16	opposite	opposite	JJ
45179	98	17	rails	rail	NNS
45179	98	18	thereof	thereof	RB
45179	98	19	,	,	,
45179	98	20	short	short	JJ
45179	98	21	circuit	circuit	NN
45179	98	22	the	the	DT
45179	98	23	current	current	NN
45179	98	24	from	from	IN
45179	98	25	the	the	DT
45179	98	26	relay	relay	NN
45179	98	27	,	,	,
45179	98	28	which	which	WDT
45179	98	29	instantly	instantly	RB
45179	98	30	releases	release	VBZ
45179	98	31	its	-PRON-	PRP$
45179	98	32	armature	armature	NN
45179	98	33	,	,	,
45179	98	34	thus	thus	RB
45179	98	35	opening	open	VBG
45179	98	36	the	the	DT
45179	98	37	signal	signal	NNP
45179	98	38	circuit	circuit	NN
45179	98	39	.	.	.
45179	99	1	The	the	DT
45179	99	2	signal	signal	NN
45179	99	3	is	be	VBZ
45179	99	4	then	then	RB
45179	99	5	instantly	instantly	RB
45179	99	6	thrown	throw	VBN
45179	99	7	to	to	IN
45179	99	8	the	the	DT
45179	99	9	danger	danger	NN
45179	99	10	position	position	NN
45179	99	11	by	by	IN
45179	99	12	means	mean	NNS
45179	99	13	of	of	IN
45179	99	14	a	a	DT
45179	99	15	counterbalance	counterbalance	NN
45179	99	16	.	.	.
45179	100	1	The	the	DT
45179	100	2	signal	signal	NN
45179	100	3	may	may	MD
45179	100	4	be	be	VB
45179	100	5	of	of	IN
45179	100	6	the	the	DT
45179	100	7	enclosed	enclose	VBN
45179	100	8	disk	disk	NN
45179	100	9	type	type	NN
45179	100	10	,	,	,
45179	100	11	electro	electro	NNP
45179	100	12	-	-	HYPH
45179	100	13	mechanical	mechanical	JJ
45179	100	14	,	,	,
45179	100	15	electro	electro	NNP
45179	100	16	-	-	HYPH
45179	100	17	pneumatic	pneumatic	NNP
45179	100	18	,	,	,
45179	100	19	electrically	electrically	RB
45179	100	20	controlled	control	VBN
45179	100	21	gas	gas	NN
45179	100	22	,	,	,
45179	100	23	or	or	CC
45179	100	24	of	of	IN
45179	100	25	any	any	DT
45179	100	26	other	other	JJ
45179	100	27	kind	kind	NN
45179	100	28	.	.	.
45179	101	1	The	the	DT
45179	101	2	Robinson	Robinson	NNP
45179	101	3	patented	patent	VBD
45179	101	4	system	system	NN
45179	101	5	is	be	VBZ
45179	101	6	broad	broad	JJ
45179	101	7	,	,	,
45179	101	8	basic	basic	JJ
45179	101	9	and	and	CC
45179	101	10	a	a	DT
45179	101	11	generic	generic	JJ
45179	101	12	creation	creation	NN
45179	101	13	;	;	:
45179	101	14	it	-PRON-	PRP
45179	101	15	is	be	VBZ
45179	101	16	not	not	RB
45179	101	17	limited	limited	JJ
45179	101	18	to	to	IN
45179	101	19	any	any	DT
45179	101	20	specific	specific	JJ
45179	101	21	construction	construction	NN
45179	101	22	or	or	CC
45179	101	23	arrangement	arrangement	NN
45179	101	24	of	of	IN
45179	101	25	signal	signal	NN
45179	101	26	but	but	CC
45179	101	27	covers	cover	VBZ
45179	101	28	all	all	DT
45179	101	29	kinds	kind	NNS
45179	101	30	.	.	.
45179	102	1	In	in	IN
45179	102	2	expounding	expound	VBG
45179	102	3	the	the	DT
45179	102	4	early	early	JJ
45179	102	5	history	history	NN
45179	102	6	of	of	IN
45179	102	7	the	the	DT
45179	102	8	art	art	NN
45179	102	9	of	of	IN
45179	102	10	automatic	automatic	JJ
45179	102	11	signaling	signaling	NN
45179	102	12	,	,	,
45179	102	13	the	the	DT
45179	102	14	following	follow	VBG
45179	102	15	photographic	photographic	JJ
45179	102	16	reproductions	reproduction	NNS
45179	102	17	from	from	IN
45179	102	18	some	some	DT
45179	102	19	of	of	IN
45179	102	20	Robinson	Robinson	NNP
45179	102	21	's	's	POS
45179	102	22	early	early	JJ
45179	102	23	circulars	circular	NNS
45179	102	24	and	and	CC
45179	102	25	patents	patent	NNS
45179	102	26	will	will	MD
45179	102	27	be	be	VB
45179	102	28	of	of	IN
45179	102	29	interest	interest	NN
45179	102	30	.	.	.
45179	103	1	The	the	DT
45179	103	2	following	follow	VBG
45179	103	3	sections	section	NNS
45179	103	4	on	on	IN
45179	103	5	CURVE	CURVE	NNP
45179	103	6	,	,	,
45179	103	7	TUNNEL	TUNNEL	NNP
45179	103	8	,	,	,
45179	103	9	STATION	STATION	NNP
45179	103	10	,	,	,
45179	103	11	SWITCH	SWITCH	NNP
45179	103	12	and	and	CC
45179	103	13	DRAW	DRAW	NNP
45179	103	14	-	-	HYPH
45179	103	15	BRIDGE	BRIDGE	NNP
45179	103	16	SIGNALS	signal	NNS
45179	103	17	are	be	VBP
45179	103	18	a	a	DT
45179	103	19	photographic	photographic	JJ
45179	103	20	reproduction	reproduction	NN
45179	103	21	from	from	IN
45179	103	22	a	a	DT
45179	103	23	circular	circular	JJ
45179	103	24	issued	issue	VBN
45179	103	25	by	by	IN
45179	103	26	Mr.	Mr.	NNP
45179	103	27	Robinson	Robinson	NNP
45179	103	28	in	in	IN
45179	103	29	1870	1870	CD
45179	103	30	:	:	:
45179	103	31	CURVE	CURVE	NNP
45179	103	32	AND	and	CC
45179	103	33	TUNNEL	TUNNEL	NNP
45179	103	34	SIGNALS	signal	NNS
45179	103	35	.	.	.
45179	104	1	A	a	DT
45179	104	2	train	train	NN
45179	104	3	approaching	approach	VBG
45179	104	4	a	a	DT
45179	104	5	curve	curve	NN
45179	104	6	will	will	MD
45179	104	7	throw	throw	VB
45179	104	8	up	up	RP
45179	104	9	a	a	DT
45179	104	10	red	red	JJ
45179	104	11	signal	signal	NN
45179	104	12	around	around	IN
45179	104	13	the	the	DT
45179	104	14	curve	curve	NN
45179	104	15	as	as	IN
45179	104	16	a	a	DT
45179	104	17	warning	warning	NN
45179	104	18	to	to	IN
45179	104	19	trains	train	NNS
45179	104	20	from	from	IN
45179	104	21	the	the	DT
45179	104	22	opposite	opposite	JJ
45179	104	23	direction	direction	NN
45179	104	24	,	,	,
45179	104	25	and	and	CC
45179	104	26	will	will	MD
45179	104	27	also	also	RB
45179	104	28	exhibit	exhibit	VB
45179	104	29	a	a	DT
45179	104	30	signal	signal	NN
45179	104	31	in	in	IN
45179	104	32	its	-PRON-	PRP$
45179	104	33	rear	rear	NN
45179	104	34	.	.	.
45179	105	1	Thus	thus	RB
45179	105	2	,	,	,
45179	105	3	collisions	collision	NNS
45179	105	4	from	from	IN
45179	105	5	front	front	JJ
45179	105	6	or	or	CC
45179	105	7	rear	rear	JJ
45179	105	8	are	be	VBP
45179	105	9	guarded	guard	VBN
45179	105	10	against	against	IN
45179	105	11	.	.	.
45179	106	1	These	these	DT
45179	106	2	signals	signal	NNS
45179	106	3	may	may	MD
45179	106	4	be	be	VB
45179	106	5	used	use	VBN
45179	106	6	throughout	throughout	IN
45179	106	7	the	the	DT
45179	106	8	whole	whole	JJ
45179	106	9	extent	extent	NN
45179	106	10	of	of	IN
45179	106	11	a	a	DT
45179	106	12	road	road	NN
45179	106	13	.	.	.
45179	107	1	In	in	IN
45179	107	2	entering	enter	VBG
45179	107	3	a	a	DT
45179	107	4	tunnel	tunnel	NN
45179	107	5	a	a	DT
45179	107	6	train	train	NN
45179	107	7	will	will	MD
45179	107	8	exhibit	exhibit	VB
45179	107	9	a	a	DT
45179	107	10	signal	signal	NN
45179	107	11	at	at	IN
45179	107	12	the	the	DT
45179	107	13	other	other	JJ
45179	107	14	end	end	NN
45179	107	15	to	to	TO
45179	107	16	indicate	indicate	VB
45179	107	17	its	-PRON-	PRP$
45179	107	18	entry	entry	NN
45179	107	19	,	,	,
45179	107	20	and	and	CC
45179	107	21	when	when	WRB
45179	107	22	it	-PRON-	PRP
45179	107	23	gets	get	VBZ
45179	107	24	through	through	IN
45179	107	25	it	-PRON-	PRP
45179	107	26	will	will	MD
45179	107	27	lower	lower	VB
45179	107	28	the	the	DT
45179	107	29	signal	signal	NN
45179	107	30	and	and	CC
45179	107	31	ring	re	VBG
45179	107	32	a	a	DT
45179	107	33	bell	bell	NN
45179	107	34	at	at	IN
45179	107	35	the	the	DT
45179	107	36	opposite	opposite	JJ
45179	107	37	end	end	NN
45179	107	38	to	to	TO
45179	107	39	indicate	indicate	VB
45179	107	40	its	-PRON-	PRP$
45179	107	41	exit	exit	NN
45179	107	42	.	.	.
45179	108	1	STATION	STATION	NNP
45179	108	2	SIGNALS	SIGNALS	NNP
45179	108	3	.	.	.
45179	109	1	A	a	DT
45179	109	2	train	train	NN
45179	109	3	when	when	WRB
45179	109	4	it	-PRON-	PRP
45179	109	5	leaves	leave	VBZ
45179	109	6	a	a	DT
45179	109	7	station	station	NN
45179	109	8	,	,	,
45179	109	9	and	and	CC
45179	109	10	at	at	IN
45179	109	11	various	various	JJ
45179	109	12	points	point	NNS
45179	109	13	as	as	IN
45179	109	14	it	-PRON-	PRP
45179	109	15	passes	pass	VBZ
45179	109	16	,	,	,
45179	109	17	will	will	MD
45179	109	18	indicate	indicate	VB
45179	109	19	to	to	IN
45179	109	20	the	the	DT
45179	109	21	stations	station	NNS
45179	109	22	along	along	IN
45179	109	23	the	the	DT
45179	109	24	line	line	NN
45179	109	25	,	,	,
45179	109	26	its	-PRON-	PRP$
45179	109	27	Location	Location	NNP
45179	109	28	,	,	,
45179	109	29	Direction	Direction	NNP
45179	109	30	,	,	,
45179	109	31	Rapidity	Rapidity	NNP
45179	109	32	and	and	CC
45179	109	33	Length	Length	NNP
45179	109	34	.	.	.
45179	110	1	Thus	thus	RB
45179	110	2	all	all	DT
45179	110	3	necessary	necessary	JJ
45179	110	4	information	information	NN
45179	110	5	regarding	regard	VBG
45179	110	6	moving	move	VBG
45179	110	7	trains	train	NNS
45179	110	8	will	will	MD
45179	110	9	be	be	VB
45179	110	10	automatically	automatically	RB
45179	110	11	announced	announce	VBN
45179	110	12	every	every	DT
45179	110	13	few	few	JJ
45179	110	14	minutes	minute	NNS
45179	110	15	at	at	IN
45179	110	16	the	the	DT
45179	110	17	stations	station	NNS
45179	110	18	.	.	.
45179	111	1	SWITCH	SWITCH	NNP
45179	111	2	AND	and	CC
45179	111	3	DRAW	DRAW	NNP
45179	111	4	-	-	HYPH
45179	111	5	BRIDGE	bridge	NN
45179	111	6	SIGNALS	signal	NNS
45179	111	7	.	.	.
45179	112	1	If	if	IN
45179	112	2	a	a	DT
45179	112	3	switch	switch	NN
45179	112	4	or	or	CC
45179	112	5	draw	draw	NN
45179	112	6	-	-	HYPH
45179	112	7	bridge	bridge	NN
45179	112	8	is	be	VBZ
45179	112	9	misplaced	misplace	VBN
45179	112	10	an	an	DT
45179	112	11	approaching	approach	VBG
45179	112	12	train	train	NN
45179	112	13	will	will	MD
45179	112	14	set	set	VB
45179	112	15	an	an	DT
45179	112	16	alarm	alarm	NN
45179	112	17	ringing	ring	VBG
45179	112	18	at	at	IN
45179	112	19	the	the	DT
45179	112	20	station	station	NN
45179	112	21	and	and	CC
45179	112	22	will	will	MD
45179	112	23	also	also	RB
45179	112	24	exhibit	exhibit	VB
45179	112	25	a	a	DT
45179	112	26	red	red	JJ
45179	112	27	signal	signal	NN
45179	112	28	ahead	ahead	RB
45179	112	29	of	of	IN
45179	112	30	the	the	DT
45179	112	31	train	train	NN
45179	112	32	as	as	IN
45179	112	33	a	a	DT
45179	112	34	warning	warning	NN
45179	112	35	to	to	IN
45179	112	36	the	the	DT
45179	112	37	engineer	engineer	NN
45179	112	38	that	that	IN
45179	112	39	the	the	DT
45179	112	40	switch	switch	NN
45179	112	41	is	be	VBZ
45179	112	42	misplaced	misplace	VBN
45179	112	43	.	.	.
45179	113	1	The	the	DT
45179	113	2	following	follow	VBG
45179	113	3	heading	heading	NN
45179	113	4	and	and	CC
45179	113	5	sections	section	NNS
45179	113	6	are	be	VBP
45179	113	7	photographic	photographic	JJ
45179	113	8	reproductions	reproduction	NNS
45179	113	9	of	of	IN
45179	113	10	parts	part	NNS
45179	113	11	of	of	IN
45179	113	12	a	a	DT
45179	113	13	circular	circular	JJ
45179	113	14	issued	issue	VBN
45179	113	15	by	by	IN
45179	113	16	Mr.	Mr.	NNP
45179	113	17	Robinson	Robinson	NNP
45179	113	18	at	at	IN
45179	113	19	the	the	DT
45179	113	20	time	time	NN
45179	113	21	of	of	IN
45179	113	22	its	-PRON-	PRP$
45179	113	23	date	date	NN
45179	113	24	,	,	,
45179	113	25	"	"	''
45179	113	26	September	September	NNP
45179	113	27	,	,	,
45179	113	28	1872	1872	CD
45179	113	29	.	.	.
45179	113	30	"	"	''
45179	114	1	It	-PRON-	PRP
45179	114	2	will	will	MD
45179	114	3	be	be	VB
45179	114	4	observed	observe	VBN
45179	114	5	that	that	IN
45179	114	6	certain	certain	JJ
45179	114	7	of	of	IN
45179	114	8	these	these	DT
45179	114	9	sections	section	NNS
45179	114	10	are	be	VBP
45179	114	11	the	the	DT
45179	114	12	same	same	JJ
45179	114	13	as	as	IN
45179	114	14	above	above	RB
45179	114	15	reproduced	reproduce	VBN
45179	114	16	from	from	IN
45179	114	17	the	the	DT
45179	114	18	circular	circular	JJ
45179	114	19	of	of	IN
45179	114	20	1870	1870	CD
45179	114	21	.	.	.
45179	115	1	It	-PRON-	PRP
45179	115	2	will	will	MD
45179	115	3	be	be	VB
45179	115	4	noted	note	VBN
45179	115	5	also	also	RB
45179	115	6	that	that	IN
45179	115	7	the	the	DT
45179	115	8	description	description	NN
45179	115	9	of	of	IN
45179	115	10	the	the	DT
45179	115	11	system	system	NN
45179	115	12	begun	begin	VBN
45179	115	13	after	after	IN
45179	115	14	the	the	DT
45179	115	15	heading	heading	NN
45179	115	16	is	be	VBZ
45179	115	17	not	not	RB
45179	115	18	here	here	RB
45179	115	19	completed	complete	VBN
45179	115	20	,	,	,
45179	115	21	for	for	IN
45179	115	22	the	the	DT
45179	115	23	reason	reason	NN
45179	115	24	that	that	IN
45179	115	25	a	a	DT
45179	115	26	full	full	JJ
45179	115	27	description	description	NN
45179	115	28	is	be	VBZ
45179	115	29	found	find	VBN
45179	115	30	elsewhere	elsewhere	RB
45179	115	31	in	in	IN
45179	115	32	this	this	DT
45179	115	33	history	history	NN
45179	115	34	.	.	.
45179	116	1	ROBINSON	ROBINSON	NNP
45179	116	2	'S	's	POS
45179	116	3	IMPROVED	IMPROVED	NNP
45179	116	4	SYSTEMS	SYSTEMS	NNP
45179	116	5	OF	of	IN
45179	116	6	ELECTRIC	ELECTRIC	NNP
45179	116	7	RAILWAY	RAILWAY	NNP
45179	116	8	SIGNALS	signal	NNS
45179	116	9	For	for	IN
45179	116	10	Switches	switch	NNS
45179	116	11	,	,	,
45179	116	12	Draw	draw	NN
45179	116	13	-	-	HYPH
45179	116	14	bridges	bridge	NNS
45179	116	15	,	,	,
45179	116	16	Crossings	Crossings	NNPS
45179	116	17	,	,	,
45179	116	18	Curves	Curves	NNPS
45179	116	19	,	,	,
45179	116	20	Cuts	Cuts	NNP
45179	116	21	,	,	,
45179	116	22	and	and	CC
45179	116	23	Tunnels	tunnel	NNS
45179	116	24	;	;	:
45179	116	25	also	also	RB
45179	116	26	,	,	,
45179	116	27	to	to	TO
45179	116	28	indicate	indicate	VB
45179	116	29	the	the	DT
45179	116	30	Location	Location	NNP
45179	116	31	,	,	,
45179	116	32	Direction	Direction	NNP
45179	116	33	,	,	,
45179	116	34	Rapidity	Rapidity	NNP
45179	116	35	,	,	,
45179	116	36	and	and	CC
45179	116	37	Length	Length	NNP
45179	116	38	of	of	IN
45179	116	39	Trains	Trains	NNP
45179	116	40	.	.	.
45179	117	1	IMPORTANT	IMPORTANT	NNP
45179	117	2	IMPROVEMENTS.--ELECTRIC	improvements.--electric	NN
45179	117	3	SIGNALING	signaling	VBP
45179	117	4	WITHOUT	without	IN
45179	117	5	TRACK	track	NN
45179	117	6	INSTRUMENTS	instrument	NNS
45179	117	7	,	,	,
45179	117	8	OR	or	CC
45179	117	9	LINE	LINE	NNP
45179	117	10	WIRES	WIRES	NNP
45179	117	11	.	.	.
45179	118	1	THE	the	DT
45179	118	2	NEW	NEW	NNP
45179	118	3	SYSTEM	system	NN
45179	118	4	.	.	.
45179	119	1	The	the	DT
45179	119	2	operation	operation	NN
45179	119	3	of	of	IN
45179	119	4	this	this	DT
45179	119	5	system	system	NN
45179	119	6	is	be	VBZ
45179	119	7	as	as	IN
45179	119	8	follows	follow	VBZ
45179	119	9	:	:	:
45179	119	10	A	a	DT
45179	119	11	railroad	railroad	NN
45179	119	12	track	track	NN
45179	119	13	is	be	VBZ
45179	119	14	divided	divide	VBN
45179	119	15	into	into	IN
45179	119	16	sections	section	NNS
45179	119	17	of	of	IN
45179	119	18	any	any	DT
45179	119	19	desired	desire	VBN
45179	119	20	length	length	NN
45179	119	21	,	,	,
45179	119	22	say	say	VB
45179	119	23	one	one	CD
45179	119	24	mile	mile	NN
45179	119	25	,	,	,
45179	119	26	more	more	RBR
45179	119	27	or	or	CC
45179	119	28	less	less	RBR
45179	119	29	,	,	,
45179	119	30	by	by	IN
45179	119	31	separating	separate	VBG
45179	119	32	the	the	DT
45179	119	33	abutting	abut	VBG
45179	119	34	rails	rail	NNS
45179	119	35	from	from	IN
45179	119	36	metallic	metallic	JJ
45179	119	37	contact	contact	NN
45179	119	38	with	with	IN
45179	119	39	the	the	DT
45179	119	40	adjacent	adjacent	JJ
45179	119	41	sections	section	NNS
45179	119	42	,	,	,
45179	119	43	but	but	CC
45179	119	44	preserving	preserve	VBG
45179	119	45	metallic	metallic	JJ
45179	119	46	continuity	continuity	NN
45179	119	47	throughout	throughout	IN
45179	119	48	the	the	DT
45179	119	49	length	length	NN
45179	119	50	of	of	IN
45179	119	51	the	the	DT
45179	119	52	section	section	NN
45179	119	53	.	.	.
45179	120	1	The	the	DT
45179	120	2	insulation	insulation	NN
45179	120	3	of	of	IN
45179	120	4	the	the	DT
45179	120	5	abutting	abut	VBG
45179	120	6	rails	rail	NNS
45179	120	7	is	be	VBZ
45179	120	8	accomplished	accomplish	VBN
45179	120	9	CURVE	CURVE	NNP
45179	120	10	AND	and	CC
45179	120	11	TUNNEL	TUNNEL	NNP
45179	120	12	SIGNALS	signal	NNS
45179	120	13	.	.	.
45179	121	1	A	a	DT
45179	121	2	train	train	NN
45179	121	3	approaching	approach	VBG
45179	121	4	a	a	DT
45179	121	5	curve	curve	NN
45179	121	6	throws	throw	VBZ
45179	121	7	up	up	RP
45179	121	8	a	a	DT
45179	121	9	red	red	JJ
45179	121	10	signal	signal	NN
45179	121	11	around	around	IN
45179	121	12	the	the	DT
45179	121	13	curve	curve	NN
45179	121	14	,	,	,
45179	121	15	as	as	IN
45179	121	16	a	a	DT
45179	121	17	warning	warning	NN
45179	121	18	to	to	IN
45179	121	19	trains	train	NNS
45179	121	20	from	from	IN
45179	121	21	the	the	DT
45179	121	22	opposite	opposite	JJ
45179	121	23	direction	direction	NN
45179	121	24	,	,	,
45179	121	25	and	and	CC
45179	121	26	also	also	RB
45179	121	27	exhibits	exhibit	VBZ
45179	121	28	a	a	DT
45179	121	29	signal	signal	NN
45179	121	30	in	in	IN
45179	121	31	its	-PRON-	PRP$
45179	121	32	rear	rear	NN
45179	121	33	.	.	.
45179	122	1	Thus	thus	RB
45179	122	2	,	,	,
45179	122	3	collisions	collision	NNS
45179	122	4	from	from	IN
45179	122	5	front	front	JJ
45179	122	6	or	or	CC
45179	122	7	rear	rear	JJ
45179	122	8	are	be	VBP
45179	122	9	guarded	guard	VBN
45179	122	10	against	against	IN
45179	122	11	.	.	.
45179	123	1	These	these	DT
45179	123	2	signals	signal	NNS
45179	123	3	may	may	MD
45179	123	4	be	be	VB
45179	123	5	used	use	VBN
45179	123	6	throughout	throughout	IN
45179	123	7	the	the	DT
45179	123	8	whole	whole	JJ
45179	123	9	extent	extent	NN
45179	123	10	of	of	IN
45179	123	11	a	a	DT
45179	123	12	road	road	NN
45179	123	13	.	.	.
45179	124	1	In	in	IN
45179	124	2	entering	enter	VBG
45179	124	3	a	a	DT
45179	124	4	tunnel	tunnel	NN
45179	124	5	a	a	DT
45179	124	6	train	train	NN
45179	124	7	exhibits	exhibit	VBZ
45179	124	8	a	a	DT
45179	124	9	signal	signal	NN
45179	124	10	at	at	IN
45179	124	11	the	the	DT
45179	124	12	other	other	JJ
45179	124	13	end	end	NN
45179	124	14	to	to	TO
45179	124	15	indicate	indicate	VB
45179	124	16	its	-PRON-	PRP$
45179	124	17	entry	entry	NN
45179	124	18	,	,	,
45179	124	19	and	and	CC
45179	124	20	when	when	WRB
45179	124	21	it	-PRON-	PRP
45179	124	22	gets	get	VBZ
45179	124	23	through	through	IN
45179	124	24	it	-PRON-	PRP
45179	124	25	exhibits	exhibit	VBZ
45179	124	26	a	a	DT
45179	124	27	signal	signal	NN
45179	124	28	at	at	IN
45179	124	29	the	the	DT
45179	124	30	opposite	opposite	JJ
45179	124	31	end	end	NN
45179	124	32	to	to	TO
45179	124	33	indicate	indicate	VB
45179	124	34	its	-PRON-	PRP$
45179	124	35	exit	exit	NN
45179	124	36	.	.	.
45179	125	1	STATION	STATION	NNP
45179	125	2	SIGNALS	SIGNALS	NNP
45179	125	3	.	.	.
45179	126	1	A	a	DT
45179	126	2	train	train	NN
45179	126	3	when	when	WRB
45179	126	4	it	-PRON-	PRP
45179	126	5	leaves	leave	VBZ
45179	126	6	a	a	DT
45179	126	7	station	station	NN
45179	126	8	,	,	,
45179	126	9	and	and	CC
45179	126	10	at	at	IN
45179	126	11	various	various	JJ
45179	126	12	points	point	NNS
45179	126	13	as	as	IN
45179	126	14	it	-PRON-	PRP
45179	126	15	passes	pass	VBZ
45179	126	16	,	,	,
45179	126	17	indicates	indicate	VBZ
45179	126	18	to	to	IN
45179	126	19	the	the	DT
45179	126	20	stations	station	NNS
45179	126	21	along	along	IN
45179	126	22	the	the	DT
45179	126	23	line	line	NN
45179	126	24	,	,	,
45179	126	25	its	-PRON-	PRP$
45179	126	26	Location	Location	NNP
45179	126	27	,	,	,
45179	126	28	Direction	Direction	NNP
45179	126	29	,	,	,
45179	126	30	Rapidity	Rapidity	NNP
45179	126	31	,	,	,
45179	126	32	and	and	CC
45179	126	33	Length	Length	NNP
45179	126	34	.	.	.
45179	127	1	Thus	thus	RB
45179	127	2	all	all	DT
45179	127	3	necessary	necessary	JJ
45179	127	4	information	information	NN
45179	127	5	regarding	regard	VBG
45179	127	6	moving	move	VBG
45179	127	7	trains	train	NNS
45179	127	8	is	be	VBZ
45179	127	9	automatically	automatically	RB
45179	127	10	announced	announce	VBN
45179	127	11	every	every	DT
45179	127	12	few	few	JJ
45179	127	13	minutes	minute	NNS
45179	127	14	at	at	IN
45179	127	15	the	the	DT
45179	127	16	stations	station	NNS
45179	127	17	.	.	.
45179	128	1	The	the	DT
45179	128	2	batteries	battery	NNS
45179	128	3	for	for	IN
45179	128	4	operating	operate	VBG
45179	128	5	the	the	DT
45179	128	6	signals	signal	NNS
45179	128	7	will	will	MD
45179	128	8	last	last	VB
45179	128	9	for	for	IN
45179	128	10	months	month	NNS
45179	128	11	without	without	IN
45179	128	12	attention	attention	NN
45179	128	13	,	,	,
45179	128	14	and	and	CC
45179	128	15	one	one	CD
45179	128	16	man	man	NN
45179	128	17	can	can	MD
45179	128	18	readily	readily	RB
45179	128	19	attend	attend	VB
45179	128	20	to	to	IN
45179	128	21	all	all	PDT
45179	128	22	the	the	DT
45179	128	23	signals	signal	NNS
45179	128	24	and	and	CC
45179	128	25	batteries	battery	NNS
45179	128	26	throughout	throughout	IN
45179	128	27	the	the	DT
45179	128	28	whole	whole	JJ
45179	128	29	extent	extent	NN
45179	128	30	of	of	IN
45179	128	31	a	a	DT
45179	128	32	road	road	NN
45179	128	33	.	.	.
45179	129	1	In	in	IN
45179	129	2	all	all	DT
45179	129	3	cases	case	NNS
45179	129	4	,	,	,
45179	129	5	where	where	WRB
45179	129	6	practicable	practicable	JJ
45179	129	7	,	,	,
45179	129	8	the	the	DT
45179	129	9	signal	signal	NN
45179	129	10	wire	wire	NN
45179	129	11	should	should	MD
45179	129	12	be	be	VB
45179	129	13	carried	carry	VBN
45179	129	14	through	through	IN
45179	129	15	the	the	DT
45179	129	16	coils	coil	NNS
45179	129	17	of	of	IN
45179	129	18	a	a	DT
45179	129	19	bell	bell	NN
45179	129	20	-	-	HYPH
45179	129	21	magnet	magnet	NN
45179	129	22	in	in	IN
45179	129	23	the	the	DT
45179	129	24	nearest	near	JJS
45179	129	25	office	office	NN
45179	129	26	.	.	.
45179	130	1	By	by	IN
45179	130	2	this	this	DT
45179	130	3	means	mean	VBZ
45179	130	4	the	the	DT
45179	130	5	operator	operator	NN
45179	130	6	is	be	VBZ
45179	130	7	informed	inform	VBN
45179	130	8	when	when	WRB
45179	130	9	the	the	DT
45179	130	10	battery	battery	NN
45179	130	11	power	power	NN
45179	130	12	is	be	VBZ
45179	130	13	decreasing	decrease	VBG
45179	130	14	,	,	,
45179	130	15	and	and	CC
45179	130	16	warned	warn	VBD
45179	130	17	that	that	IN
45179	130	18	it	-PRON-	PRP
45179	130	19	requires	require	VBZ
45179	130	20	renewing	renew	VBG
45179	130	21	.	.	.
45179	131	1	Office	office	NN
45179	131	2	connections	connection	NNS
45179	131	3	can	can	MD
45179	131	4	be	be	VB
45179	131	5	made	make	VBN
45179	131	6	,	,	,
45179	131	7	when	when	WRB
45179	131	8	desired	desire	VBN
45179	131	9	,	,	,
45179	131	10	so	so	IN
45179	131	11	that	that	IN
45179	131	12	the	the	DT
45179	131	13	signals	signal	NNS
45179	131	14	may	may	MD
45179	131	15	be	be	VB
45179	131	16	operated	operate	VBN
45179	131	17	by	by	IN
45179	131	18	a	a	DT
45179	131	19	telegraph	telegraph	NN
45179	131	20	key	key	NN
45179	131	21	from	from	IN
45179	131	22	the	the	DT
45179	131	23	office	office	NN
45179	131	24	,	,	,
45179	131	25	as	as	RB
45179	131	26	well	well	RB
45179	131	27	as	as	IN
45179	131	28	by	by	IN
45179	131	29	passing	pass	VBG
45179	131	30	trains	train	NNS
45179	131	31	.	.	.
45179	132	1	The	the	DT
45179	132	2	signal	signal	NN
45179	132	3	wires	wire	NNS
45179	132	4	may	may	MD
45179	132	5	be	be	VB
45179	132	6	tapped	tap	VBN
45179	132	7	at	at	IN
45179	132	8	intervals	interval	NNS
45179	132	9	all	all	RB
45179	132	10	along	along	IN
45179	132	11	the	the	DT
45179	132	12	line	line	NN
45179	132	13	,	,	,
45179	132	14	and	and	CC
45179	132	15	led	lead	VBD
45179	132	16	into	into	IN
45179	132	17	small	small	JJ
45179	132	18	cast	cast	NN
45179	132	19	iron	iron	NN
45179	132	20	boxes	box	NNS
45179	132	21	placed	place	VBN
45179	132	22	conveniently	conveniently	RB
45179	132	23	on	on	IN
45179	132	24	the	the	DT
45179	132	25	telegraph	telegraph	NN
45179	132	26	poles	pole	NNS
45179	132	27	.	.	.
45179	133	1	Conductors	conductor	NNS
45179	133	2	of	of	IN
45179	133	3	all	all	DT
45179	133	4	trains	train	NNS
45179	133	5	,	,	,
45179	133	6	furnished	furnish	VBN
45179	133	7	with	with	IN
45179	133	8	keys	key	NNS
45179	133	9	to	to	IN
45179	133	10	these	these	DT
45179	133	11	boxes	box	NNS
45179	133	12	,	,	,
45179	133	13	can	can	MD
45179	133	14	,	,	,
45179	133	15	in	in	IN
45179	133	16	case	case	NN
45179	133	17	of	of	IN
45179	133	18	special	special	JJ
45179	133	19	accident	accident	NN
45179	133	20	,	,	,
45179	133	21	go	go	VB
45179	133	22	to	to	IN
45179	133	23	the	the	DT
45179	133	24	nearest	near	JJS
45179	133	25	box	box	NN
45179	133	26	,	,	,
45179	133	27	touch	touch	VB
45179	133	28	a	a	DT
45179	133	29	key	key	NN
45179	133	30	within	within	IN
45179	133	31	the	the	DT
45179	133	32	same	same	JJ
45179	133	33	,	,	,
45179	133	34	and	and	CC
45179	133	35	thus	thus	RB
45179	133	36	set	set	VBN
45179	133	37	danger	danger	NN
45179	133	38	signals	signal	NNS
45179	133	39	at	at	IN
45179	133	40	some	some	DT
45179	133	41	distance	distance	NN
45179	133	42	in	in	IN
45179	133	43	front	front	NN
45179	133	44	and	and	CC
45179	133	45	rear	rear	NN
45179	133	46	of	of	IN
45179	133	47	their	-PRON-	PRP$
45179	133	48	trains	train	NNS
45179	133	49	.	.	.
45179	134	1	The	the	DT
45179	134	2	telegraph	telegraph	NN
45179	134	3	keys	key	NNS
45179	134	4	in	in	IN
45179	134	5	these	these	DT
45179	134	6	boxes	box	NNS
45179	134	7	not	not	RB
45179	134	8	only	only	RB
45179	134	9	set	set	VBD
45179	134	10	the	the	DT
45179	134	11	danger	danger	NN
45179	134	12	signals	signal	NNS
45179	134	13	as	as	IN
45179	134	14	described	describe	VBN
45179	134	15	,	,	,
45179	134	16	but	but	CC
45179	134	17	they	-PRON-	PRP
45179	134	18	also	also	RB
45179	134	19	place	place	VBP
45179	134	20	the	the	DT
45179	134	21	said	say	VBN
45179	134	22	signals	signal	NNS
45179	134	23	,	,	,
45179	134	24	for	for	IN
45179	134	25	the	the	DT
45179	134	26	time	time	NN
45179	134	27	being	be	VBG
45179	134	28	,	,	,
45179	134	29	entirely	entirely	RB
45179	134	30	out	out	IN
45179	134	31	of	of	IN
45179	134	32	control	control	NN
45179	134	33	of	of	IN
45179	134	34	moving	move	VBG
45179	134	35	trains	train	NNS
45179	134	36	.	.	.
45179	135	1	THE	the	DT
45179	135	2	CLOSED	CLOSED	NNP
45179	135	3	CIRCUIT	CIRCUIT	NNP
45179	135	4	.	.	.
45179	136	1	The	the	DT
45179	136	2	new	new	JJ
45179	136	3	system	system	NN
45179	136	4	,	,	,
45179	136	5	as	as	IN
45179	136	6	described	describe	VBN
45179	136	7	,	,	,
45179	136	8	with	with	IN
45179	136	9	closed	closed	JJ
45179	136	10	circuit	circuit	NN
45179	136	11	,	,	,
45179	136	12	is	be	VBZ
45179	136	13	the	the	DT
45179	136	14	best	good	JJS
45179	136	15	ever	ever	RB
45179	136	16	devised	devise	VBN
45179	136	17	for	for	IN
45179	136	18	"	"	``
45179	136	19	block	block	NN
45179	136	20	-	-	HYPH
45179	136	21	signaling	signaling	NN
45179	136	22	,	,	,
45179	136	23	"	"	``
45179	136	24	since	since	IN
45179	136	25	the	the	DT
45179	136	26	failure	failure	NN
45179	136	27	of	of	IN
45179	136	28	the	the	DT
45179	136	29	battery	battery	NN
45179	136	30	through	through	IN
45179	136	31	neglect	neglect	NN
45179	136	32	or	or	CC
45179	136	33	otherwise	otherwise	RB
45179	136	34	,	,	,
45179	136	35	can	can	MD
45179	136	36	not	not	RB
45179	136	37	possibly	possibly	RB
45179	136	38	be	be	VB
45179	136	39	productive	productive	JJ
45179	136	40	of	of	IN
45179	136	41	disastrous	disastrous	JJ
45179	136	42	results	result	NNS
45179	136	43	to	to	IN
45179	136	44	the	the	DT
45179	136	45	train	train	NN
45179	136	46	,	,	,
45179	136	47	however	however	RB
45179	136	48	implicitly	implicitly	RB
45179	136	49	the	the	DT
45179	136	50	signals	signal	NNS
45179	136	51	may	may	MD
45179	136	52	be	be	VB
45179	136	53	relied	rely	VBN
45179	136	54	on	on	IN
45179	136	55	.	.	.
45179	137	1	_	_	NNP
45179	137	2	From	from	IN
45179	137	3	the	the	DT
45179	137	4	French	French	NNP
45179	137	5	of	of	IN
45179	137	6	Feb.	February	NNP
45179	137	7	1872	1872	CD
45179	137	8	[	[	-LRB-
45179	137	9	Translation	translation	NN
45179	137	10	]	]	-RRB-
45179	137	11	.	.	.
45179	137	12	_	_	NNP
45179	137	13	88th	88th	JJ
45179	137	14	claim	claim	NN
45179	137	15	.	.	.
45179	138	1	"	"	``
45179	138	2	Connecting	connect	VBG
45179	138	3	a	a	DT
45179	138	4	battery	battery	NN
45179	138	5	B5	b5	NN
45179	138	6	,	,	,
45179	138	7	and	and	CC
45179	138	8	a	a	DT
45179	138	9	magnet	magnet	NN
45179	138	10	M5	M5	NNS
45179	138	11	with	with	IN
45179	138	12	the	the	DT
45179	138	13	rails	rail	NNS
45179	138	14	_	_	NNP
45179	138	15	a9	a9	NNP
45179	138	16	_	_	NNP
45179	138	17	,	,	,
45179	138	18	_	_	NNP
45179	138	19	b9	b9	NNP
45179	138	20	_	_	NNP
45179	138	21	,	,	,
45179	138	22	of	of	IN
45179	138	23	a	a	DT
45179	138	24	section	section	NN
45179	138	25	of	of	IN
45179	138	26	railroad	railroad	NN
45179	138	27	track	track	NN
45179	138	28	C5	c5	NN
45179	138	29	in	in	IN
45179	138	30	such	such	PDT
45179	138	31	a	a	DT
45179	138	32	manner	manner	NN
45179	138	33	that	that	WDT
45179	138	34	when	when	WRB
45179	138	35	said	say	VBD
45179	138	36	rails	rail	NNS
45179	138	37	are	be	VBP
45179	138	38	joined	join	VBN
45179	138	39	by	by	IN
45179	138	40	a	a	DT
45179	138	41	metallic	metallic	JJ
45179	138	42	bridge	bridge	NN
45179	138	43	,	,	,
45179	138	44	the	the	DT
45179	138	45	electric	electric	JJ
45179	138	46	current	current	NN
45179	138	47	will	will	MD
45179	138	48	be	be	VB
45179	138	49	diverted	divert	VBN
45179	138	50	from	from	IN
45179	138	51	the	the	DT
45179	138	52	magnet	magnet	NN
45179	138	53	M5	M5	NNS
45179	138	54	,	,	,
45179	138	55	but	but	CC
45179	138	56	so	so	IN
45179	138	57	that	that	IN
45179	138	58	when	when	WRB
45179	138	59	said	say	VBD
45179	138	60	bridging	bridge	VBG
45179	138	61	device	device	NN
45179	138	62	is	be	VBZ
45179	138	63	removed	remove	VBN
45179	138	64	from	from	IN
45179	138	65	said	say	VBN
45179	138	66	section	section	NN
45179	138	67	C5	c5	NN
45179	138	68	the	the	DT
45179	138	69	electric	electric	JJ
45179	138	70	current	current	NN
45179	138	71	will	will	MD
45179	138	72	be	be	VB
45179	138	73	free	free	JJ
45179	138	74	to	to	TO
45179	138	75	pass	pass	VB
45179	138	76	through	through	RP
45179	138	77	and	and	CC
45179	138	78	charge	charge	VB
45179	138	79	the	the	DT
45179	138	80	magnet	magnet	NN
45179	138	81	M5	M5	NNS
45179	138	82	.	.	.
45179	138	83	"	"	''
45179	139	1	93d	93d	NNS
45179	139	2	.	.	.
45179	140	1	"	"	``
45179	140	2	A	a	DT
45179	140	3	signal	signal	NN
45179	140	4	or	or	CC
45179	140	5	signals	signal	NNS
45179	140	6	audible	audible	JJ
45179	140	7	or	or	CC
45179	140	8	visual	visual	JJ
45179	140	9	in	in	IN
45179	140	10	combination	combination	NN
45179	140	11	with	with	IN
45179	140	12	the	the	DT
45179	140	13	battery	battery	NN
45179	140	14	B5	B5	NNP
45179	140	15	and	and	CC
45179	140	16	the	the	DT
45179	140	17	rails	rail	NNS
45179	140	18	of	of	IN
45179	140	19	a	a	DT
45179	140	20	railroad	railroad	NN
45179	140	21	track	track	NN
45179	140	22	,	,	,
45179	140	23	the	the	DT
45179	140	24	whole	whole	JJ
45179	140	25	being	be	VBG
45179	140	26	arranged	arrange	VBN
45179	140	27	to	to	TO
45179	140	28	actuate	actuate	VB
45179	140	29	the	the	DT
45179	140	30	signal	signal	NN
45179	140	31	or	or	CC
45179	140	32	signals	signal	NNS
45179	140	33	,	,	,
45179	140	34	substantially	substantially	RB
45179	140	35	as	as	IN
45179	140	36	described	describe	VBN
45179	140	37	.	.	.
45179	140	38	"	"	''
45179	141	1	~WILLIAM	~WILLIAM	NFP
45179	141	2	ROBINSON.~	ROBINSON.~	NNP
45179	141	3	ST	ST	NNP
45179	141	4	.	.	.
45179	141	5	PETERSBURG	PETERSBURG	NNP
45179	141	6	,	,	,
45179	141	7	Clarion	Clarion	NNP
45179	141	8	County	County	NNP
45179	141	9	,	,	,
45179	141	10	Pa.	Pennsylvania	NNP
45179	141	11	,	,	,
45179	141	12	September	September	NNP
45179	141	13	,	,	,
45179	141	14	1872	1872	CD
45179	141	15	.	.	.
45179	142	1	It	-PRON-	PRP
45179	142	2	will	will	MD
45179	142	3	be	be	VB
45179	142	4	observed	observe	VBN
45179	142	5	that	that	IN
45179	142	6	some	some	DT
45179	142	7	of	of	IN
45179	142	8	the	the	DT
45179	142	9	foregoing	foregoing	JJ
45179	142	10	sections	section	NNS
45179	142	11	refer	refer	VBP
45179	142	12	to	to	IN
45179	142	13	the	the	DT
45179	142	14	open	open	JJ
45179	142	15	circuit	circuit	NN
45179	142	16	system	system	NN
45179	142	17	,	,	,
45179	142	18	some	some	DT
45179	142	19	specifically	specifically	RB
45179	142	20	to	to	IN
45179	142	21	the	the	DT
45179	142	22	closed	close	VBN
45179	142	23	circuit	circuit	NN
45179	142	24	system	system	NN
45179	142	25	and	and	CC
45179	142	26	some	some	DT
45179	142	27	are	be	VBP
45179	142	28	applicable	applicable	JJ
45179	142	29	to	to	IN
45179	142	30	either	either	CC
45179	142	31	or	or	CC
45179	142	32	both	both	DT
45179	142	33	.	.	.
45179	143	1	The	the	DT
45179	143	2	following	follow	VBG
45179	143	3	is	be	VBZ
45179	143	4	a	a	DT
45179	143	5	photographic	photographic	JJ
45179	143	6	reproduction	reproduction	NN
45179	143	7	of	of	IN
45179	143	8	a	a	DT
45179	143	9	postal	postal	JJ
45179	143	10	card	card	NN
45179	143	11	issued	issue	VBN
45179	143	12	and	and	CC
45179	143	13	distributed	distribute	VBN
45179	143	14	broadcast	broadcast	NN
45179	143	15	by	by	IN
45179	143	16	Mr.	Mr.	NNP
45179	143	17	Robinson	Robinson	NNP
45179	143	18	at	at	IN
45179	143	19	the	the	DT
45179	143	20	time	time	NN
45179	143	21	of	of	IN
45179	143	22	its	-PRON-	PRP$
45179	143	23	date	date	NN
45179	143	24	,	,	,
45179	143	25	"	"	''
45179	143	26	May	May	MD
45179	143	27	,	,	,
45179	143	28	1873	1873	CD
45179	143	29	.	.	.
45179	143	30	"	"	''
45179	144	1	It	-PRON-	PRP
45179	144	2	needs	need	VBZ
45179	144	3	no	no	DT
45179	144	4	comments	comment	NNS
45179	144	5	.	.	.
45179	145	1	ROBINSON	robinson	NN
45179	145	2	'S	's	POS
45179	145	3	WIRELESS	WIRELESS	NNP
45179	145	4	ELECTRIC	ELECTRIC	NNP
45179	145	5	SIGNALS	signal	NNS
45179	145	6	,	,	,
45179	145	7	THE	the	DT
45179	145	8	SIMPLEST	SIMPLEST	NNP
45179	145	9	,	,	,
45179	145	10	CHEAPEST	CHEAPEST	NNP
45179	145	11	,	,	,
45179	145	12	and	and	CC
45179	145	13	Only	only	RB
45179	145	14	Absolutely	absolutely	RB
45179	145	15	SAFE	SAFE	NNP
45179	145	16	Electric	Electric	NNP
45179	145	17	Signals	Signals	NNPS
45179	145	18	in	in	IN
45179	145	19	Existence	Existence	NNP
45179	145	20	,	,	,
45179	145	21	NOW	now	RB
45179	145	22	IN	in	IN
45179	145	23	SUCCESSFUL	SUCCESSFUL	NNP
45179	145	24	OPERATION	operation	FW
45179	145	25	ON	on	IN
45179	145	26	THE	the	DT
45179	145	27	BALTIMORE	BALTIMORE	NNP
45179	145	28	AND	and	CC
45179	145	29	OHIO	OHIO	NNP
45179	145	30	,	,	,
45179	145	31	PHILA	PHILA	NNP
45179	145	32	.	.	NNP
45179	145	33	,	,	,
45179	145	34	WILMINGTON	WILMINGTON	NNP
45179	145	35	&	&	CC
45179	145	36	BALTIMORE	BALTIMORE	NNP
45179	145	37	,	,	,
45179	145	38	PHILADELPHIA	PHILADELPHIA	NNP
45179	145	39	AND	and	CC
45179	145	40	ERIE	ERIE	NNP
45179	145	41	,	,	,
45179	145	42	AND	and	CC
45179	145	43	OTHER	other	JJ
45179	145	44	RAIL	RAIL	NNP
45179	145	45	ROADS	roads	NN
45179	145	46	.	.	.
45179	146	1	They	-PRON-	PRP
45179	146	2	work	work	VBP
45179	146	3	as	as	IN
45179	146	4	AUTOMATIC	automatic	JJ
45179	146	5	BLOCKS	BLOCKS	NNP
45179	146	6	with	with	IN
45179	146	7	tell	tell	JJ
45179	146	8	-	-	HYPH
45179	146	9	tale	tale	NN
45179	146	10	alarms	alarm	NNS
45179	146	11	,	,	,
45179	146	12	OFFICE	OFFICE	NNP
45179	146	13	,	,	,
45179	146	14	STATION	STATION	NNP
45179	146	15	,	,	,
45179	146	16	ROAD	ROAD	NNP
45179	146	17	CROSSING	CROSSING	NNP
45179	146	18	and	and	CC
45179	146	19	SWITCH	SWITCH	NNP
45179	146	20	SIGNALS	SIGNALS	NNP
45179	146	21	,	,	,
45179	146	22	and	and	CC
45179	146	23	BROKEN	BROKEN	NNP
45179	146	24	RAIL	RAIL	NNP
45179	146	25	DETECTORS	DETECTORS	NNP
45179	146	26	.	.	.
45179	147	1	These	these	DT
45179	147	2	signals	signal	NNS
45179	147	3	have	have	VBP
45179	147	4	worked	work	VBN
45179	147	5	uninterruptedly	uninterruptedly	RB
45179	147	6	through	through	IN
45179	147	7	last	last	JJ
45179	147	8	winter	winter	NN
45179	147	9	regardless	regardless	RB
45179	147	10	of	of	IN
45179	147	11	rain	rain	NN
45179	147	12	,	,	,
45179	147	13	snow	snow	NN
45179	147	14	,	,	,
45179	147	15	slush	slush	NN
45179	147	16	or	or	CC
45179	147	17	sunshine	sunshine	NN
45179	147	18	.	.	.
45179	148	1	Descriptive	descriptive	JJ
45179	148	2	circulars	circular	NNS
45179	148	3	on	on	IN
45179	148	4	application	application	NN
45179	148	5	.	.	.
45179	149	1	MAY	MAY	NNP
45179	149	2	1873	1873	CD
45179	149	3	.	.	.
45179	150	1	WM	WM	NNP
45179	150	2	.	.	.
45179	151	1	ROBINSON	robinson	NN
45179	151	2	,	,	,
45179	151	3	St.	St.	NNP
45179	151	4	Petersburg	Petersburg	NNP
45179	151	5	,	,	,
45179	151	6	Pa.	Pennsylvania	NNP
45179	151	7	[	[	-LRB-
45179	151	8	Illustration	illustration	NN
45179	151	9	:	:	:
45179	151	10	Fig	Fig	NNP
45179	151	11	.	.	.
45179	152	1	3	3	LS
45179	152	2	.	.	.
45179	153	1	Illustration	illustration	NN
45179	153	2	from	from	IN
45179	153	3	Robinson	Robinson	NNP
45179	153	4	's	's	POS
45179	153	5	Circular	Circular	NNP
45179	153	6	of	of	IN
45179	153	7	"	"	``
45179	153	8	January	January	NNP
45179	153	9	,	,	,
45179	153	10	1874	1874	CD
45179	153	11	,	,	,
45179	153	12	"	"	``
45179	153	13	showing	show	VBG
45179	153	14	the	the	DT
45179	153	15	Closed	Closed	NNP
45179	153	16	Rail	Rail	NNP
45179	153	17	Circuit	Circuit	NNP
45179	153	18	,	,	,
45179	153	19	Relay	Relay	NNP
45179	153	20	and	and	CC
45179	153	21	Overlapping	Overlapping	NNP
45179	153	22	System	System	NNP
45179	153	23	.	.	.
45179	153	24	]	]	-RRB-
45179	154	1	It	-PRON-	PRP
45179	154	2	is	be	VBZ
45179	154	3	pointed	point	VBN
45179	154	4	out	out	RP
45179	154	5	that	that	IN
45179	154	6	the	the	DT
45179	154	7	above	above	JJ
45179	154	8	illustration	illustration	NN
45179	154	9	of	of	IN
45179	154	10	January	January	NNP
45179	154	11	,	,	,
45179	154	12	1874	1874	CD
45179	154	13	,	,	,
45179	154	14	shows	show	VBZ
45179	154	15	the	the	DT
45179	154	16	Robinson	Robinson	NNP
45179	154	17	closed	close	VBD
45179	154	18	track	track	NN
45179	154	19	circuit	circuit	NN
45179	154	20	,	,	,
45179	154	21	as	as	RB
45179	154	22	heretofore	heretofore	RB
45179	154	23	described	describe	VBN
45179	154	24	,	,	,
45179	154	25	the	the	DT
45179	154	26	relay	relay	NN
45179	154	27	R	r	NN
45179	154	28	and	and	CC
45179	154	29	the	the	DT
45179	154	30	track	track	NN
45179	154	31	battery	battery	NN
45179	154	32	I	-PRON-	PRP
45179	154	33	forming	form	VBG
45179	154	34	a	a	DT
45179	154	35	part	part	NN
45179	154	36	thereof	thereof	RB
45179	154	37	,	,	,
45179	154	38	the	the	DT
45179	154	39	signal	signal	JJ
45179	154	40	actuating	actuating	JJ
45179	154	41	magnet	magnet	NN
45179	154	42	E	E	NNS
45179	154	43	,	,	,
45179	154	44	the	the	DT
45179	154	45	signal	signal	NN
45179	154	46	C	C	NNP
45179	154	47	operated	operate	VBD
45179	154	48	thereby	thereby	RB
45179	154	49	,	,	,
45179	154	50	the	the	DT
45179	154	51	circuit	circuit	NN
45179	154	52	wires	wire	NNS
45179	154	53	of	of	IN
45179	154	54	said	say	VBN
45179	154	55	magnet	magnet	NN
45179	154	56	E	e	NN
45179	154	57	connected	connect	VBN
45179	154	58	to	to	IN
45179	154	59	,	,	,
45179	154	60	and	and	CC
45179	154	61	controlled	control	VBN
45179	154	62	by	by	IN
45179	154	63	,	,	,
45179	154	64	the	the	DT
45179	154	65	relay	relay	NN
45179	154	66	R	r	NN
45179	154	67	,	,	,
45179	154	68	and	and	CC
45179	154	69	the	the	DT
45179	154	70	overlapping	overlapping	NN
45179	154	71	or	or	CC
45179	154	72	distant	distant	JJ
45179	154	73	signal	signal	NN
45179	154	74	L	L	NNP
45179	154	75	,	,	,
45179	154	76	with	with	IN
45179	154	77	its	-PRON-	PRP$
45179	154	78	circuit	circuit	NN
45179	154	79	H	h	NN
45179	154	80	controlled	control	VBN
45179	154	81	absolutely	absolutely	RB
45179	154	82	by	by	IN
45179	154	83	the	the	DT
45179	154	84	position	position	NN
45179	154	85	of	of	IN
45179	154	86	the	the	DT
45179	154	87	signal	signal	NN
45179	154	88	C	C	NNP
45179	154	89	,	,	,
45179	154	90	the	the	DT
45179	154	91	whole	whole	JJ
45179	154	92	showing	show	VBG
45179	154	93	a	a	DT
45179	154	94	complete	complete	JJ
45179	154	95	closed	closed	JJ
45179	154	96	track	track	NN
45179	154	97	circuit	circuit	NN
45179	154	98	overlapping	overlapping	NN
45179	154	99	system	system	NN
45179	154	100	,	,	,
45179	154	101	with	with	IN
45179	154	102	home	home	NN
45179	154	103	and	and	CC
45179	154	104	distant	distant	JJ
45179	154	105	signals	signal	NNS
45179	154	106	.	.	.
45179	155	1	The	the	DT
45179	155	2	following	follow	VBG
45179	155	3	sections	section	NNS
45179	155	4	are	be	VBP
45179	155	5	from	from	IN
45179	155	6	this	this	DT
45179	155	7	circular	circular	JJ
45179	155	8	of	of	IN
45179	155	9	January	January	NNP
45179	155	10	,	,	,
45179	155	11	1874	1874	CD
45179	155	12	:	:	:
45179	155	13	"	"	``
45179	155	14	When	when	WRB
45179	155	15	it	-PRON-	PRP
45179	155	16	is	be	VBZ
45179	155	17	desired	desire	VBN
45179	155	18	to	to	TO
45179	155	19	operate	operate	VB
45179	155	20	a	a	DT
45179	155	21	secondary	secondary	JJ
45179	155	22	signal	signal	NN
45179	155	23	thrown	throw	VBN
45179	155	24	forward	forward	RB
45179	155	25	or	or	CC
45179	155	26	back	back	RB
45179	155	27	of	of	IN
45179	155	28	the	the	DT
45179	155	29	primary	primary	NN
45179	155	30	,	,	,
45179	155	31	a	a	DT
45179	155	32	line	line	NN
45179	155	33	wire	wire	NN
45179	155	34	H	h	NN
45179	155	35	is	be	VBZ
45179	155	36	used	use	VBN
45179	155	37	,	,	,
45179	155	38	attached	attach	VBN
45179	155	39	to	to	IN
45179	155	40	the	the	DT
45179	155	41	primary	primary	JJ
45179	155	42	signal	signal	NN
45179	155	43	C	C	NNP
45179	155	44	in	in	IN
45179	155	45	such	such	PDT
45179	155	46	a	a	DT
45179	155	47	way	way	NN
45179	155	48	that	that	WDT
45179	155	49	the	the	DT
45179	155	50	secondary	secondary	JJ
45179	155	51	signal	signal	NN
45179	155	52	can	can	MD
45179	155	53	not	not	RB
45179	155	54	possibly	possibly	RB
45179	155	55	operate	operate	VB
45179	155	56	unless	unless	IN
45179	155	57	the	the	DT
45179	155	58	primary	primary	JJ
45179	155	59	signal	signal	NN
45179	155	60	C	C	NNP
45179	155	61	is	be	VBZ
45179	155	62	first	first	RB
45179	155	63	exposed	expose	VBN
45179	155	64	,	,	,
45179	155	65	thus	thus	RB
45179	155	66	closing	close	VBG
45179	155	67	circuit	circuit	NN
45179	155	68	on	on	IN
45179	155	69	the	the	DT
45179	155	70	wire	wire	NN
45179	155	71	H.	h.	NN
45179	155	72	The	the	DT
45179	155	73	primary	primary	JJ
45179	155	74	signal	signal	NN
45179	155	75	battery	battery	NN
45179	155	76	K	K	NNP
45179	155	77	is	be	VBZ
45179	155	78	used	use	VBN
45179	155	79	to	to	TO
45179	155	80	operate	operate	VB
45179	155	81	the	the	DT
45179	155	82	secondary	secondary	JJ
45179	155	83	signal	signal	NN
45179	155	84	.	.	.
45179	155	85	"	"	''
45179	156	1	"	"	``
45179	156	2	To	to	TO
45179	156	3	set	set	VB
45179	156	4	the	the	DT
45179	156	5	signal	signal	NN
45179	156	6	from	from	IN
45179	156	7	an	an	DT
45179	156	8	intermediate	intermediate	JJ
45179	156	9	station	station	NN
45179	156	10	a	a	DT
45179	156	11	wire	wire	NN
45179	156	12	from	from	IN
45179	156	13	each	each	DT
45179	156	14	rail	rail	NN
45179	156	15	of	of	IN
45179	156	16	the	the	DT
45179	156	17	section	section	NN
45179	156	18	A	A	NNP
45179	156	19	is	be	VBZ
45179	156	20	run	run	VBN
45179	156	21	into	into	IN
45179	156	22	the	the	DT
45179	156	23	station	station	NN
45179	156	24	.	.	.
45179	157	1	When	when	WRB
45179	157	2	these	these	DT
45179	157	3	wires	wire	NNS
45179	157	4	are	be	VBP
45179	157	5	connected	connect	VBN
45179	157	6	by	by	IN
45179	157	7	a	a	DT
45179	157	8	key	key	NN
45179	157	9	,	,	,
45179	157	10	the	the	DT
45179	157	11	current	current	NN
45179	157	12	from	from	IN
45179	157	13	the	the	DT
45179	157	14	battery	battery	NN
45179	157	15	I	-PRON-	PRP
45179	157	16	is	be	VBZ
45179	157	17	placed	place	VBN
45179	157	18	on	on	IN
45179	157	19	short	short	JJ
45179	157	20	circuit	circuit	NN
45179	157	21	,	,	,
45179	157	22	and	and	CC
45179	157	23	the	the	DT
45179	157	24	signal	signal	NN
45179	157	25	exposed	expose	VBN
45179	157	26	as	as	IN
45179	157	27	before	before	RB
45179	157	28	.	.	.
45179	157	29	"	"	''
45179	158	1	(	(	-LRB-
45179	158	2	See	see	VB
45179	158	3	Fig	fig	NN
45179	158	4	.	.	.
45179	159	1	7	7	LS
45179	159	2	.	.	.
45179	159	3	)	)	-RRB-
45179	160	1	"	"	``
45179	160	2	The	the	DT
45179	160	3	following	follow	VBG
45179	160	4	functions	function	NNS
45179	160	5	may	may	MD
45179	160	6	be	be	VB
45179	160	7	embraced	embrace	VBN
45179	160	8	in	in	IN
45179	160	9	the	the	DT
45179	160	10	signals	signal	NNS
45179	160	11	of	of	IN
45179	160	12	a	a	DT
45179	160	13	single	single	JJ
45179	160	14	section	section	NN
45179	160	15	.	.	.
45179	161	1	BLOCK	BLOCK	NNP
45179	161	2	SIGNALING	SIGNALING	NNP
45179	161	3	,	,	,
45179	161	4	both	both	CC
45179	161	5	automatic	automatic	JJ
45179	161	6	and	and	CC
45179	161	7	manipulated	manipulate	VBN
45179	161	8	,	,	,
45179	161	9	SWITCH	SWITCH	NNP
45179	161	10	,	,	,
45179	161	11	DRAWBRIDGE	DRAWBRIDGE	NNP
45179	161	12	,	,	,
45179	161	13	ROAD	ROAD	NNP
45179	161	14	-	-	HYPH
45179	161	15	CROSSING	CROSSING	NNP
45179	161	16	,	,	,
45179	161	17	and	and	CC
45179	161	18	STATION	STATION	NNP
45179	161	19	-	-	HYPH
45179	161	20	APPROACH	APPROACH	NNP
45179	161	21	SIGNALING	SIGNALING	NNP
45179	161	22	,	,	,
45179	161	23	and	and	CC
45179	161	24	BROKEN	BROKEN	NNP
45179	161	25	RAIL	RAIL	NNP
45179	161	26	DETECTING	detecting	NN
45179	161	27	.	.	.
45179	161	28	"	"	''
45179	162	1	"	"	``
45179	162	2	In	in	IN
45179	162	3	this	this	DT
45179	162	4	system	system	NN
45179	162	5	it	-PRON-	PRP
45179	162	6	will	will	MD
45179	162	7	be	be	VB
45179	162	8	observed	observe	VBN
45179	162	9	that	that	IN
45179	162	10	,	,	,
45179	162	11	since	since	IN
45179	162	12	the	the	DT
45179	162	13	signal	signal	NN
45179	162	14	is	be	VBZ
45179	162	15	exposed	expose	VBN
45179	162	16	mechanically	mechanically	RB
45179	162	17	,	,	,
45179	162	18	any	any	DT
45179	162	19	tampering	tampering	NN
45179	162	20	with	with	IN
45179	162	21	the	the	DT
45179	162	22	rails	rail	NNS
45179	162	23	or	or	CC
45179	162	24	connections	connection	NNS
45179	162	25	,	,	,
45179	162	26	or	or	CC
45179	162	27	failure	failure	NN
45179	162	28	of	of	IN
45179	162	29	the	the	DT
45179	162	30	battery	battery	NN
45179	162	31	,	,	,
45179	162	32	will	will	MD
45179	162	33	invariably	invariably	RB
45179	162	34	result	result	VB
45179	162	35	in	in	IN
45179	162	36	exposing	expose	VBG
45179	162	37	the	the	DT
45179	162	38	signal	signal	NN
45179	162	39	;	;	:
45179	162	40	any	any	DT
45179	162	41	error	error	NN
45179	162	42	therefore	therefore	RB
45179	162	43	which	which	WDT
45179	162	44	may	may	MD
45179	162	45	occur	occur	VB
45179	162	46	from	from	IN
45179	162	47	any	any	DT
45179	162	48	cause	cause	NN
45179	162	49	will	will	MD
45179	162	50	be	be	VB
45179	162	51	in	in	IN
45179	162	52	behalf	behalf	NN
45179	162	53	of	of	IN
45179	162	54	safety	safety	NN
45179	162	55	.	.	.
45179	163	1	_	_	NNP
45179	163	2	It	-PRON-	PRP
45179	163	3	is	be	VBZ
45179	163	4	impossible	impossible	JJ
45179	163	5	to	to	TO
45179	163	6	show	show	VB
45179	163	7	safety	safety	NN
45179	163	8	when	when	WRB
45179	163	9	the	the	DT
45179	163	10	danger	danger	NN
45179	163	11	exists	exist	VBZ
45179	163	12	which	which	WDT
45179	163	13	the	the	DT
45179	163	14	signal	signal	NN
45179	163	15	is	be	VBZ
45179	163	16	designed	design	VBN
45179	163	17	to	to	TO
45179	163	18	avert	avert	VB
45179	163	19	.	.	.
45179	163	20	_	_	NNP
45179	163	21	"	"	``
45179	163	22	During	during	IN
45179	163	23	the	the	DT
45179	163	24	early	early	JJ
45179	163	25	seventies	seventy	NNS
45179	163	26	Mr.	Mr.	NNP
45179	163	27	Robinson	Robinson	NNP
45179	163	28	made	make	VBD
45179	163	29	other	other	JJ
45179	163	30	closed	close	VBN
45179	163	31	rail	rail	NN
45179	163	32	circuit	circuit	NN
45179	163	33	installations	installation	NNS
45179	163	34	on	on	IN
45179	163	35	the	the	DT
45179	163	36	Philadelphia	Philadelphia	NNP
45179	163	37	&	&	CC
45179	163	38	Erie	Erie	NNP
45179	163	39	and	and	CC
45179	163	40	other	other	JJ
45179	163	41	railroads	railroad	NNS
45179	163	42	in	in	IN
45179	163	43	Pennsylvania	Pennsylvania	NNP
45179	163	44	and	and	CC
45179	163	45	Maryland	Maryland	NNP
45179	163	46	.	.	.
45179	164	1	Visit	visit	NN
45179	164	2	of	of	IN
45179	164	3	the	the	DT
45179	164	4	Pennsylvania	Pennsylvania	NNP
45179	164	5	R.R.	R.R.	NNP
45179	165	1	Officials	official	NNS
45179	165	2	On	on	IN
45179	165	3	October	October	NNP
45179	165	4	24	24	CD
45179	165	5	,	,	,
45179	165	6	1873	1873	CD
45179	165	7	,	,	,
45179	165	8	a	a	DT
45179	165	9	special	special	JJ
45179	165	10	inspection	inspection	NN
45179	165	11	train	train	NN
45179	165	12	of	of	IN
45179	165	13	the	the	DT
45179	165	14	Pennsylvania	Pennsylvania	NNP
45179	165	15	railroad	railroad	NN
45179	165	16	passed	pass	VBD
45179	165	17	over	over	IN
45179	165	18	the	the	DT
45179	165	19	Philadelphia	Philadelphia	NNP
45179	165	20	&	&	CC
45179	165	21	Erie	Erie	NNP
45179	165	22	railroad	railroad	NN
45179	165	23	,	,	,
45179	165	24	westward	westward	RB
45179	165	25	.	.	.
45179	166	1	The	the	DT
45179	166	2	Pennsylvania	Pennsylvania	NNP
45179	166	3	R.R.	R.R.	NNP
45179	167	1	officials	official	NNS
45179	167	2	aboard	aboard	IN
45179	167	3	were	be	VBD
45179	167	4	:	:	:
45179	167	5	Mr.	Mr.	NNP
45179	167	6	A.	A.	NNP
45179	167	7	J.	J.	NNP
45179	167	8	Cassatt	Cassatt	NNP
45179	167	9	,	,	,
45179	167	10	at	at	IN
45179	167	11	that	that	DT
45179	167	12	time	time	NN
45179	167	13	general	general	JJ
45179	167	14	manager	manager	NN
45179	167	15	;	;	:
45179	167	16	Mr.	Mr.	NNP
45179	167	17	Gardner	Gardner	NNP
45179	167	18	,	,	,
45179	167	19	general	general	JJ
45179	167	20	superintendent	superintendent	NN
45179	167	21	;	;	:
45179	167	22	Mr.	Mr.	NNP
45179	167	23	Lewis	Lewis	NNP
45179	167	24	,	,	,
45179	167	25	controller	controller	NN
45179	167	26	;	;	:
45179	167	27	Mr.	Mr.	NNP
45179	167	28	Robert	Robert	NNP
45179	167	29	Pitcairn	Pitcairn	NNP
45179	167	30	,	,	,
45179	167	31	superintendent	superintendent	NN
45179	167	32	western	western	JJ
45179	167	33	division	division	NN
45179	167	34	,	,	,
45179	167	35	and	and	CC
45179	167	36	Mr.	Mr.	NNP
45179	167	37	Frank	Frank	NNP
45179	167	38	Thomson	Thomson	NNP
45179	167	39	,	,	,
45179	167	40	superintendent	superintendent	NN
45179	167	41	motive	motive	JJ
45179	167	42	power	power	NN
45179	167	43	.	.	.
45179	168	1	Mr.	Mr.	NNP
45179	168	2	Wm	Wm	NNP
45179	168	3	.	.	.
45179	169	1	A.	A.	NNP
45179	169	2	Baldwin	Baldwin	NNP
45179	169	3	,	,	,
45179	169	4	general	general	JJ
45179	169	5	superintendent	superintendent	NN
45179	169	6	of	of	IN
45179	169	7	the	the	DT
45179	169	8	P.	P.	NNP
45179	169	9	&	&	CC
45179	169	10	E.	E.	NNP
45179	169	11	road	road	NN
45179	169	12	,	,	,
45179	169	13	was	be	VBD
45179	169	14	of	of	IN
45179	169	15	the	the	DT
45179	169	16	party	party	NN
45179	169	17	,	,	,
45179	169	18	and	and	CC
45179	169	19	Mr.	Mr.	NNP
45179	169	20	Robinson	Robinson	NNP
45179	169	21	joined	join	VBD
45179	169	22	the	the	DT
45179	169	23	party	party	NN
45179	169	24	on	on	IN
45179	169	25	the	the	DT
45179	169	26	latter	latter	JJ
45179	169	27	road	road	NN
45179	169	28	,	,	,
45179	169	29	and	and	CC
45179	169	30	continued	continue	VBD
45179	169	31	with	with	IN
45179	169	32	it	-PRON-	PRP
45179	169	33	through	through	RP
45179	169	34	to	to	IN
45179	169	35	Erie	Erie	NNP
45179	169	36	,	,	,
45179	169	37	which	which	WDT
45179	169	38	was	be	VBD
45179	169	39	reached	reach	VBN
45179	169	40	in	in	IN
45179	169	41	the	the	DT
45179	169	42	evening	evening	NN
45179	169	43	.	.	.
45179	170	1	Stops	stop	NNS
45179	170	2	were	be	VBD
45179	170	3	made	make	VBN
45179	170	4	at	at	IN
45179	170	5	Ridgway	Ridgway	NNP
45179	170	6	on	on	IN
45179	170	7	the	the	DT
45179	170	8	Middle	Middle	NNP
45179	170	9	division	division	NN
45179	170	10	and	and	CC
45179	170	11	at	at	IN
45179	170	12	Irvineton	Irvineton	NNP
45179	170	13	on	on	IN
45179	170	14	the	the	DT
45179	170	15	Western	western	JJ
45179	170	16	division	division	NN
45179	170	17	to	to	TO
45179	170	18	examine	examine	VB
45179	170	19	the	the	DT
45179	170	20	Robinson	Robinson	NNP
45179	170	21	closed	close	VBD
45179	170	22	circuit	circuit	NN
45179	170	23	rail	rail	NN
45179	170	24	system	system	NN
45179	170	25	of	of	IN
45179	170	26	signals	signal	NNS
45179	170	27	,	,	,
45179	170	28	which	which	WDT
45179	170	29	were	be	VBD
45179	170	30	in	in	IN
45179	170	31	full	full	JJ
45179	170	32	operation	operation	NN
45179	170	33	at	at	IN
45179	170	34	those	those	DT
45179	170	35	points	point	NNS
45179	170	36	.	.	.
45179	171	1	A	a	DT
45179	171	2	thorough	thorough	JJ
45179	171	3	examination	examination	NN
45179	171	4	and	and	CC
45179	171	5	various	various	JJ
45179	171	6	tests	test	NNS
45179	171	7	were	be	VBD
45179	171	8	made	make	VBN
45179	171	9	,	,	,
45179	171	10	to	to	IN
45179	171	11	all	all	DT
45179	171	12	of	of	IN
45179	171	13	which	which	WDT
45179	171	14	the	the	DT
45179	171	15	signals	signal	NNS
45179	171	16	responded	respond	VBD
45179	171	17	promptly	promptly	RB
45179	171	18	and	and	CC
45179	171	19	perfectly	perfectly	RB
45179	171	20	.	.	.
45179	172	1	The	the	DT
45179	172	2	following	follow	VBG
45179	172	3	is	be	VBZ
45179	172	4	from	from	IN
45179	172	5	a	a	DT
45179	172	6	letter	letter	NN
45179	172	7	by	by	IN
45179	172	8	Mr.	Mr.	NNP
45179	172	9	Robinson	Robinson	NNP
45179	172	10	to	to	IN
45179	172	11	his	-PRON-	PRP$
45179	172	12	brother	brother	NN
45179	172	13	on	on	IN
45179	172	14	October	October	NNP
45179	172	15	25	25	CD
45179	172	16	,	,	,
45179	172	17	1873	1873	CD
45179	172	18	:	:	:
45179	172	19	"	"	``
45179	172	20	Mr.	Mr.	NNP
45179	172	21	Baldwin	Baldwin	NNP
45179	172	22	could	could	MD
45179	172	23	not	not	RB
45179	172	24	say	say	VB
45179	172	25	enough	enough	RB
45179	172	26	in	in	IN
45179	172	27	favor	favor	NN
45179	172	28	of	of	IN
45179	172	29	the	the	DT
45179	172	30	signals	signal	NNS
45179	172	31	.	.	.
45179	172	32	"	"	''
45179	173	1	*	*	NFP
45179	173	2	*	*	NFP
45179	173	3	*	*	NFP
45179	173	4	"	"	``
45179	173	5	Of	of	RB
45179	173	6	course	course	RB
45179	173	7	I	-PRON-	PRP
45179	173	8	remained	remain	VBD
45179	173	9	in	in	IN
45179	173	10	the	the	DT
45179	173	11	background	background	NN
45179	173	12	,	,	,
45179	173	13	except	except	IN
45179	173	14	,	,	,
45179	173	15	as	as	IN
45179	173	16	to	to	IN
45179	173	17	giving	give	VBG
45179	173	18	explanations	explanation	NNS
45179	173	19	.	.	.
45179	174	1	After	after	IN
45179	174	2	a	a	DT
45179	174	3	while	while	NN
45179	174	4	Cassatt	Cassatt	NNP
45179	174	5	,	,	,
45179	174	6	Pitcairn	Pitcairn	NNP
45179	174	7	and	and	CC
45179	174	8	Thomson	Thomson	NNP
45179	174	9	got	get	VBD
45179	174	10	into	into	IN
45179	174	11	a	a	DT
45179	174	12	discussion	discussion	NN
45179	174	13	of	of	IN
45179	174	14	the	the	DT
45179	174	15	battery	battery	NN
45179	174	16	and	and	CC
45179	174	17	other	other	JJ
45179	174	18	points	point	NNS
45179	174	19	,	,	,
45179	174	20	and	and	CC
45179	174	21	called	call	VBD
45179	174	22	me	-PRON-	PRP
45179	174	23	into	into	IN
45179	174	24	the	the	DT
45179	174	25	ring	ring	NN
45179	174	26	to	to	TO
45179	174	27	enter	enter	VB
45179	174	28	into	into	IN
45179	174	29	the	the	DT
45179	174	30	discussion	discussion	NN
45179	174	31	,	,	,
45179	174	32	and	and	CC
45179	174	33	it	-PRON-	PRP
45179	174	34	was	be	VBD
45179	174	35	quite	quite	RB
45179	174	36	animated	animate	VBN
45179	174	37	for	for	IN
45179	174	38	some	some	DT
45179	174	39	time	time	NN
45179	174	40	.	.	.
45179	175	1	Pitcairn	Pitcairn	NNP
45179	175	2	proceeded	proceed	VBD
45179	175	3	to	to	TO
45179	175	4	give	give	VB
45179	175	5	his	-PRON-	PRP$
45179	175	6	idea	idea	NN
45179	175	7	of	of	IN
45179	175	8	what	what	WP
45179	175	9	a	a	DT
45179	175	10	signal	signal	NN
45179	175	11	should	should	MD
45179	175	12	be	be	VB
45179	175	13	,	,	,
45179	175	14	and	and	CC
45179	175	15	Mr.	Mr.	NNP
45179	175	16	Baldwin	Baldwin	NNP
45179	175	17	and	and	CC
45179	175	18	the	the	DT
45179	175	19	rest	rest	NN
45179	175	20	proceeded	proceed	VBD
45179	175	21	to	to	TO
45179	175	22	show	show	VB
45179	175	23	him	-PRON-	PRP
45179	175	24	that	that	IN
45179	175	25	this	this	DT
45179	175	26	,	,	,
45179	175	27	was	be	VBD
45179	175	28	exactly	exactly	RB
45179	175	29	his	-PRON-	PRP$
45179	175	30	ideal	ideal	NN
45179	175	31	.	.	.
45179	175	32	"	"	''
45179	176	1	"	"	``
45179	176	2	Mr.	Mr.	NNP
45179	176	3	Gardner	Gardner	NNP
45179	176	4	,	,	,
45179	176	5	after	after	IN
45179	176	6	learning	learn	VBG
45179	176	7	_	_	NNP
45179	176	8	modus	modus	NN
45179	176	9	operandi	operandi	VBD
45179	176	10	_	_	NNP
45179	176	11	from	from	IN
45179	176	12	diagrams	diagrams	NNP
45179	176	13	&	&	CC
45179	176	14	c.	c.	NNP
45179	176	15	proceeded	proceed	VBD
45179	176	16	to	to	TO
45179	176	17	lay	lay	VB
45179	176	18	down	down	RP
45179	176	19	the	the	DT
45179	176	20	law	law	NN
45179	176	21	to	to	IN
45179	176	22	the	the	DT
45179	176	23	rest	rest	NN
45179	176	24	,	,	,
45179	176	25	demonstrating	demonstrate	VBG
45179	176	26	how	how	WRB
45179	176	27	they	-PRON-	PRP
45179	176	28	would	would	MD
45179	176	29	have	have	VB
45179	176	30	'	'	``
45179	176	31	prevented	prevent	VBN
45179	176	32	those	those	DT
45179	176	33	accidents	accident	NNS
45179	176	34	.	.	.
45179	176	35	'	'	''
45179	176	36	"	"	''
45179	177	1	"	"	``
45179	177	2	They	-PRON-	PRP
45179	177	3	were	be	VBD
45179	177	4	all	all	RB
45179	177	5	very	very	RB
45179	177	6	much	much	RB
45179	177	7	pleased	pleased	JJ
45179	177	8	with	with	IN
45179	177	9	the	the	DT
45179	177	10	signals	signal	NNS
45179	177	11	but	but	CC
45179	177	12	their	-PRON-	PRP$
45179	177	13	operation	operation	NN
45179	177	14	seemed	seem	VBD
45179	177	15	such	such	PDT
45179	177	16	a	a	DT
45179	177	17	surprise	surprise	NN
45179	177	18	that	that	WDT
45179	177	19	I	-PRON-	PRP
45179	177	20	judge	judge	VBP
45179	177	21	it	-PRON-	PRP
45179	177	22	will	will	MD
45179	177	23	take	take	VB
45179	177	24	them	-PRON-	PRP
45179	177	25	several	several	JJ
45179	177	26	days	day	NNS
45179	177	27	to	to	TO
45179	177	28	think	think	VB
45179	177	29	over	over	RB
45179	177	30	and	and	CC
45179	177	31	realize	realize	VB
45179	177	32	the	the	DT
45179	177	33	actual	actual	JJ
45179	177	34	operation	operation	NN
45179	177	35	and	and	CC
45179	177	36	importance	importance	NN
45179	177	37	of	of	IN
45179	177	38	the	the	DT
45179	177	39	thing	thing	NN
45179	177	40	.	.	.
45179	177	41	"	"	''
45179	178	1	Robinson	Robinson	NNP
45179	178	2	's	's	POS
45179	178	3	Work	Work	NNP
45179	178	4	in	in	IN
45179	178	5	New	New	NNP
45179	178	6	England	England	NNP
45179	178	7	In	in	IN
45179	178	8	December	December	NNP
45179	178	9	,	,	,
45179	178	10	1875	1875	CD
45179	178	11	,	,	,
45179	178	12	Mr.	Mr.	NNP
45179	178	13	Robinson	Robinson	NNP
45179	178	14	went	go	VBD
45179	178	15	to	to	IN
45179	178	16	Boston	Boston	NNP
45179	178	17	and	and	CC
45179	178	18	took	take	VBD
45179	178	19	up	up	RP
45179	178	20	his	-PRON-	PRP$
45179	178	21	residence	residence	NN
45179	178	22	there	there	RB
45179	178	23	.	.	.
45179	179	1	In	in	IN
45179	179	2	January	January	NNP
45179	179	3	,	,	,
45179	179	4	1876	1876	CD
45179	179	5	,	,	,
45179	179	6	he	-PRON-	PRP
45179	179	7	made	make	VBD
45179	179	8	an	an	DT
45179	179	9	installation	installation	NN
45179	179	10	of	of	IN
45179	179	11	his	-PRON-	PRP$
45179	179	12	closed	close	VBN
45179	179	13	rail	rail	NN
45179	179	14	circuit	circuit	NN
45179	179	15	system	system	NN
45179	179	16	between	between	IN
45179	179	17	Elm	Elm	NNP
45179	179	18	street	street	NNP
45179	179	19	and	and	CC
45179	179	20	North	North	NNP
45179	179	21	avenue	avenue	NNP
45179	179	22	,	,	,
45179	179	23	West	West	NNP
45179	179	24	Somerville	Somerville	NNP
45179	179	25	,	,	,
45179	179	26	on	on	IN
45179	179	27	a	a	DT
45179	179	28	branch	branch	NN
45179	179	29	of	of	IN
45179	179	30	the	the	DT
45179	179	31	Boston	Boston	NNP
45179	179	32	and	and	CC
45179	179	33	Lowell	Lowell	NNP
45179	179	34	railroad	railroad	NN
45179	179	35	.	.	.
45179	180	1	This	this	DT
45179	180	2	installation	installation	NN
45179	180	3	worked	work	VBD
45179	180	4	perfectly	perfectly	RB
45179	180	5	from	from	IN
45179	180	6	the	the	DT
45179	180	7	beginning	beginning	NN
45179	180	8	.	.	.
45179	181	1	The	the	DT
45179	181	2	Emperor	Emperor	NNP
45179	181	3	of	of	IN
45179	181	4	Brazil	Brazil	NNP
45179	181	5	Examines	Examines	NNP
45179	181	6	the	the	DT
45179	181	7	Robinson	Robinson	NNP
45179	181	8	Signal	Signal	NNP
45179	181	9	System	System	NNP
45179	181	10	In	in	IN
45179	181	11	June	June	NNP
45179	181	12	,	,	,
45179	181	13	1876	1876	CD
45179	181	14	,	,	,
45179	181	15	His	-PRON-	PRP$
45179	181	16	Imperial	Imperial	NNP
45179	181	17	Majesty	Majesty	NNP
45179	181	18	,	,	,
45179	181	19	Dom	Dom	NNP
45179	181	20	Pedro	Pedro	NNP
45179	181	21	II	II	NNP
45179	181	22	,	,	,
45179	181	23	Emperor	Emperor	NNP
45179	181	24	of	of	IN
45179	181	25	Brazil	Brazil	NNP
45179	181	26	,	,	,
45179	181	27	being	be	VBG
45179	181	28	then	then	RB
45179	181	29	in	in	IN
45179	181	30	Boston	Boston	NNP
45179	181	31	,	,	,
45179	181	32	graciously	graciously	RB
45179	181	33	accepted	accept	VBD
45179	181	34	an	an	DT
45179	181	35	invitation	invitation	NN
45179	181	36	from	from	IN
45179	181	37	Mr.	Mr.	NNP
45179	181	38	Robinson	Robinson	NNP
45179	181	39	to	to	TO
45179	181	40	examine	examine	VB
45179	181	41	his	-PRON-	PRP$
45179	181	42	Wireless	Wireless	NNP
45179	181	43	Signal	Signal	NNP
45179	181	44	System	System	NNP
45179	181	45	in	in	IN
45179	181	46	operation	operation	NN
45179	181	47	on	on	IN
45179	181	48	the	the	DT
45179	181	49	Boston	Boston	NNP
45179	181	50	&	&	CC
45179	181	51	Lowell	Lowell	NNP
45179	181	52	railroad	railroad	NN
45179	181	53	.	.	.
45179	182	1	Accordingly	accordingly	RB
45179	182	2	,	,	,
45179	182	3	on	on	IN
45179	182	4	June	June	NNP
45179	182	5	14	14	CD
45179	182	6	,	,	,
45179	182	7	they	-PRON-	PRP
45179	182	8	proceeded	proceed	VBD
45179	182	9	together	together	RB
45179	182	10	by	by	IN
45179	182	11	special	special	JJ
45179	182	12	train	train	NN
45179	182	13	to	to	IN
45179	182	14	West	West	NNP
45179	182	15	Somerville	Somerville	NNP
45179	182	16	for	for	IN
45179	182	17	the	the	DT
45179	182	18	purpose	purpose	NN
45179	182	19	.	.	.
45179	183	1	The	the	DT
45179	183	2	following	follow	VBG
45179	183	3	is	be	VBZ
45179	183	4	an	an	DT
45179	183	5	account	account	NN
45179	183	6	of	of	IN
45179	183	7	the	the	DT
45179	183	8	visit	visit	NN
45179	183	9	,	,	,
45179	183	10	from	from	IN
45179	183	11	the	the	DT
45179	183	12	_	_	NNP
45179	183	13	Boston	Boston	NNP
45179	183	14	Post	Post	NNP
45179	183	15	_	_	NNP
45179	183	16	of	of	IN
45179	183	17	June	June	NNP
45179	183	18	15	15	CD
45179	183	19	,	,	,
45179	183	20	1876	1876	CD
45179	183	21	:	:	:
45179	183	22	"	"	``
45179	183	23	DOM	DOM	NNP
45179	183	24	PEDRO	PEDRO	NNP
45179	183	25	II	II	NNP
45179	183	26	.	.	.
45179	184	1	"	"	``
45179	184	2	HIS	his	PRP$
45179	184	3	MAJESTY	MAJESTY	NNP
45179	184	4	WITNESSES	witness	NNS
45179	184	5	THE	the	DT
45179	184	6	OPERATIONS	operations	NN
45179	184	7	OF	of	IN
45179	184	8	RAILROAD	railroad	NN
45179	184	9	SIGNALS	signal	NNS
45179	184	10	.	.	.
45179	185	1	"	"	``
45179	185	2	Though	though	IN
45179	185	3	the	the	DT
45179	185	4	visit	visit	NN
45179	185	5	of	of	IN
45179	185	6	His	-PRON-	PRP$
45179	185	7	Majesty	Majesty	NNP
45179	185	8	,	,	,
45179	185	9	the	the	DT
45179	185	10	Emperor	Emperor	NNP
45179	185	11	of	of	IN
45179	185	12	Brazil	Brazil	NNP
45179	185	13	,	,	,
45179	185	14	to	to	IN
45179	185	15	this	this	DT
45179	185	16	city	city	NN
45179	185	17	has	have	VBZ
45179	185	18	been	be	VBN
45179	185	19	a	a	DT
45179	185	20	brief	brief	JJ
45179	185	21	one	one	NN
45179	185	22	,	,	,
45179	185	23	yet	yet	CC
45179	185	24	it	-PRON-	PRP
45179	185	25	is	be	VBZ
45179	185	26	not	not	RB
45179	185	27	hazardous	hazardous	JJ
45179	185	28	to	to	TO
45179	185	29	say	say	VB
45179	185	30	that	that	IN
45179	185	31	no	no	DT
45179	185	32	other	other	JJ
45179	185	33	crowned	crown	VBN
45179	185	34	head	head	NN
45179	185	35	or	or	CC
45179	185	36	representative	representative	NN
45179	185	37	of	of	IN
45179	185	38	royalty	royalty	NN
45179	185	39	who	who	WP
45179	185	40	has	have	VBZ
45179	185	41	ever	ever	RB
45179	185	42	appeared	appear	VBN
45179	185	43	in	in	IN
45179	185	44	Boston	Boston	NNP
45179	185	45	has	have	VBZ
45179	185	46	more	more	RBR
45179	185	47	closely	closely	RB
45179	185	48	inspected	inspect	VBN
45179	185	49	the	the	DT
45179	185	50	places	place	NNS
45179	185	51	where	where	WRB
45179	185	52	centre	centre	NN
45179	185	53	arts	art	VBZ
45179	185	54	,	,	,
45179	185	55	sciences	science	NNS
45179	185	56	and	and	CC
45179	185	57	manufacturers	manufacturer	NNS
45179	185	58	than	than	IN
45179	185	59	he	-PRON-	PRP
45179	185	60	.	.	.
45179	186	1	"	"	``
45179	186	2	In	in	IN
45179	186	3	compliance	compliance	NN
45179	186	4	with	with	IN
45179	186	5	an	an	DT
45179	186	6	invitation	invitation	NN
45179	186	7	,	,	,
45179	186	8	the	the	DT
45179	186	9	Dom	Dom	NNP
45179	186	10	proceeded	proceed	VBD
45179	186	11	yesterday	yesterday	NN
45179	186	12	morning	morning	NN
45179	186	13	to	to	TO
45179	186	14	witness	witness	VB
45179	186	15	the	the	DT
45179	186	16	workings	working	NNS
45179	186	17	of	of	IN
45179	186	18	Robinson	Robinson	NNP
45179	186	19	's	's	POS
45179	186	20	Wireless	Wireless	NNP
45179	186	21	Signal	Signal	NNP
45179	186	22	System	System	NNP
45179	186	23	,	,	,
45179	186	24	now	now	RB
45179	186	25	in	in	IN
45179	186	26	operation	operation	NN
45179	186	27	on	on	IN
45179	186	28	a	a	DT
45179	186	29	portion	portion	NN
45179	186	30	of	of	IN
45179	186	31	the	the	DT
45179	186	32	Lowell	Lowell	NNP
45179	186	33	railroad	railroad	NN
45179	186	34	.	.	.
45179	187	1	The	the	DT
45179	187	2	Emperor	Emperor	NNP
45179	187	3	and	and	CC
45179	187	4	several	several	JJ
45179	187	5	members	member	NNS
45179	187	6	of	of	IN
45179	187	7	his	-PRON-	PRP$
45179	187	8	suit	suit	NN
45179	187	9	took	take	VBD
45179	187	10	passage	passage	NN
45179	187	11	on	on	IN
45179	187	12	board	board	NN
45179	187	13	a	a	DT
45179	187	14	special	special	JJ
45179	187	15	train	train	NN
45179	187	16	on	on	IN
45179	187	17	the	the	DT
45179	187	18	Lowell	Lowell	NNP
45179	187	19	railroad	railroad	NN
45179	187	20	soon	soon	RB
45179	187	21	after	after	IN
45179	187	22	8	8	CD
45179	187	23	o'clock	o'clock	NN
45179	187	24	yesterday	yesterday	NN
45179	187	25	morning	morning	NN
45179	187	26	and	and	CC
45179	187	27	arrived	arrive	VBD
45179	187	28	at	at	IN
45179	187	29	the	the	DT
45179	187	30	West	West	NNP
45179	187	31	Somerville	Somerville	NNP
45179	187	32	station	station	NN
45179	187	33	about	about	RB
45179	187	34	8:30	8:30	CD
45179	187	35	,	,	,
45179	187	36	where	where	WRB
45179	187	37	they	-PRON-	PRP
45179	187	38	were	be	VBD
45179	187	39	met	meet	VBN
45179	187	40	by	by	IN
45179	187	41	Professor	Professor	NNP
45179	187	42	Robinson	Robinson	NNP
45179	187	43	,	,	,
45179	187	44	who	who	WP
45179	187	45	at	at	IN
45179	187	46	once	once	RB
45179	187	47	began	begin	VBD
45179	187	48	to	to	TO
45179	187	49	explain	explain	VB
45179	187	50	to	to	IN
45179	187	51	the	the	DT
45179	187	52	royal	royal	NNP
45179	187	53	party	party	NN
45179	187	54	his	-PRON-	PRP$
45179	187	55	system	system	NN
45179	187	56	.	.	.
45179	188	1	At	at	IN
45179	188	2	Elm	Elm	NNP
45179	188	3	street	street	VBP
45179	188	4	a	a	DT
45179	188	5	large	large	JJ
45179	188	6	visual	visual	JJ
45179	188	7	signal	signal	NN
45179	188	8	is	be	VBZ
45179	188	9	placed	place	VBN
45179	188	10	which	which	WDT
45179	188	11	is	be	VBZ
45179	188	12	controlled	control	VBN
45179	188	13	by	by	IN
45179	188	14	the	the	DT
45179	188	15	current	current	NN
45179	188	16	from	from	IN
45179	188	17	a	a	DT
45179	188	18	single	single	JJ
45179	188	19	cell	cell	NN
45179	188	20	of	of	IN
45179	188	21	a	a	DT
45179	188	22	battery	battery	NN
45179	188	23	connected	connect	VBN
45179	188	24	with	with	IN
45179	188	25	the	the	DT
45179	188	26	rail	rail	NN
45179	188	27	sections	section	NNS
45179	188	28	at	at	IN
45179	188	29	North	North	NNP
45179	188	30	avenue	avenue	NNP
45179	188	31	,	,	,
45179	188	32	no	no	DT
45179	188	33	line	line	NN
45179	188	34	wires	wire	VBZ
45179	188	35	whatever	whatever	WDT
45179	188	36	being	be	VBG
45179	188	37	used	use	VBN
45179	188	38	.	.	.
45179	189	1	While	while	IN
45179	189	2	the	the	DT
45179	189	3	Emperor	Emperor	NNP
45179	189	4	watched	watch	VBD
45179	189	5	the	the	DT
45179	189	6	signal	signal	NN
45179	189	7	at	at	IN
45179	189	8	Elm	Elm	NNP
45179	189	9	street	street	NN
45179	189	10	trains	train	NNS
45179	189	11	were	be	VBD
45179	189	12	run	run	VBN
45179	189	13	over	over	IN
45179	189	14	the	the	DT
45179	189	15	whole	whole	JJ
45179	189	16	length	length	NN
45179	189	17	of	of	IN
45179	189	18	the	the	DT
45179	189	19	signal	signal	NN
45179	189	20	section	section	NN
45179	189	21	in	in	IN
45179	189	22	both	both	DT
45179	189	23	directions	direction	NNS
45179	189	24	.	.	.
45179	190	1	As	as	RB
45179	190	2	soon	soon	RB
45179	190	3	as	as	IN
45179	190	4	the	the	DT
45179	190	5	train	train	NN
45179	190	6	entered	enter	VBD
45179	190	7	upon	upon	IN
45179	190	8	the	the	DT
45179	190	9	section	section	NN
45179	190	10	at	at	IN
45179	190	11	either	either	DT
45179	190	12	end	end	NN
45179	190	13	,	,	,
45179	190	14	the	the	DT
45179	190	15	signal	signal	NN
45179	190	16	,	,	,
45179	190	17	without	without	IN
45179	190	18	a	a	DT
45179	190	19	moment	moment	NN
45179	190	20	's	's	POS
45179	190	21	delay	delay	NN
45179	190	22	,	,	,
45179	190	23	showed	show	VBD
45179	190	24	the	the	DT
45179	190	25	track	track	NN
45179	190	26	"	"	``
45179	190	27	blocked	block	VBD
45179	190	28	,	,	,
45179	190	29	"	"	''
45179	190	30	and	and	CC
45179	190	31	when	when	WRB
45179	190	32	the	the	DT
45179	190	33	train	train	NN
45179	190	34	passed	pass	VBD
45179	190	35	off	off	RP
45179	190	36	the	the	DT
45179	190	37	section	section	NN
45179	190	38	it	-PRON-	PRP
45179	190	39	instantly	instantly	RB
45179	190	40	changed	change	VBD
45179	190	41	the	the	DT
45179	190	42	signal	signal	NN
45179	190	43	to	to	TO
45179	190	44	"	"	``
45179	190	45	all	all	RB
45179	190	46	clear	clear	JJ
45179	190	47	.	.	.
45179	190	48	"	"	''
45179	191	1	Then	then	RB
45179	191	2	a	a	DT
45179	191	3	rail	rail	NN
45179	191	4	was	be	VBD
45179	191	5	torn	tear	VBN
45179	191	6	up	up	RP
45179	191	7	,	,	,
45179	191	8	and	and	CC
45179	191	9	almost	almost	RB
45179	191	10	instantly	instantly	RB
45179	191	11	thereafter	thereafter	RB
45179	191	12	the	the	DT
45179	191	13	signal	signal	NN
45179	191	14	denoted	denote	VBD
45179	191	15	"	"	``
45179	191	16	danger	danger	NN
45179	191	17	"	"	''
45179	191	18	and	and	CC
45179	191	19	remained	remain	VBD
45179	191	20	so	so	RB
45179	191	21	until	until	IN
45179	191	22	the	the	DT
45179	191	23	rail	rail	NN
45179	191	24	was	be	VBD
45179	191	25	restored	restore	VBN
45179	191	26	and	and	CC
45179	191	27	properly	properly	RB
45179	191	28	coupled	couple	VBN
45179	191	29	up	up	RP
45179	191	30	,	,	,
45179	191	31	when	when	WRB
45179	191	32	it	-PRON-	PRP
45179	191	33	as	as	RB
45179	191	34	quickly	quickly	RB
45179	191	35	changed	change	VBD
45179	191	36	to	to	IN
45179	191	37	"	"	``
45179	191	38	all	all	RB
45179	191	39	right	right	RB
45179	191	40	.	.	.
45179	191	41	"	"	''
45179	192	1	Mr.	Mr.	NNP
45179	192	2	Robinson	Robinson	NNP
45179	192	3	gave	give	VBD
45179	192	4	various	various	JJ
45179	192	5	other	other	JJ
45179	192	6	demonstrations	demonstration	NNS
45179	192	7	illustrating	illustrate	VBG
45179	192	8	the	the	DT
45179	192	9	working	working	NN
45179	192	10	of	of	IN
45179	192	11	the	the	DT
45179	192	12	system	system	NN
45179	192	13	.	.	.
45179	193	1	To	to	IN
45179	193	2	all	all	PDT
45179	193	3	the	the	DT
45179	193	4	tests	test	NNS
45179	193	5	the	the	DT
45179	193	6	signal	signal	NN
45179	193	7	instantly	instantly	RB
45179	193	8	responded	respond	VBD
45179	193	9	.	.	.
45179	194	1	His	-PRON-	PRP$
45179	194	2	Majesty	Majesty	NNP
45179	194	3	was	be	VBD
45179	194	4	much	much	RB
45179	194	5	interested	interested	JJ
45179	194	6	,	,	,
45179	194	7	and	and	CC
45179	194	8	entered	enter	VBN
45179	194	9	into	into	IN
45179	194	10	a	a	DT
45179	194	11	somewhat	somewhat	RB
45179	194	12	lengthy	lengthy	JJ
45179	194	13	discussion	discussion	NN
45179	194	14	with	with	IN
45179	194	15	Professor	Professor	NNP
45179	194	16	Robinson	Robinson	NNP
45179	194	17	in	in	IN
45179	194	18	regard	regard	NN
45179	194	19	to	to	IN
45179	194	20	the	the	DT
45179	194	21	operations	operation	NNS
45179	194	22	which	which	WDT
45179	194	23	he	-PRON-	PRP
45179	194	24	had	have	VBD
45179	194	25	witnessed	witness	VBN
45179	194	26	.	.	.
45179	195	1	The	the	DT
45179	195	2	Emperor	Emperor	NNP
45179	195	3	's	's	POS
45179	195	4	questions	question	NNS
45179	195	5	displayed	display	VBD
45179	195	6	profound	profound	JJ
45179	195	7	scientific	scientific	JJ
45179	195	8	knowledge	knowledge	NN
45179	195	9	,	,	,
45179	195	10	and	and	CC
45179	195	11	he	-PRON-	PRP
45179	195	12	fully	fully	RB
45179	195	13	comprehended	comprehend	VBD
45179	195	14	the	the	DT
45179	195	15	system	system	NN
45179	195	16	.	.	.
45179	196	1	At	at	IN
45179	196	2	the	the	DT
45179	196	3	conclusion	conclusion	NN
45179	196	4	of	of	IN
45179	196	5	the	the	DT
45179	196	6	experiment	experiment	NN
45179	196	7	Dom	Dom	NNP
45179	196	8	Pedro	Pedro	NNP
45179	196	9	thanked	thank	VBD
45179	196	10	Professor	Professor	NNP
45179	196	11	Robinson	Robinson	NNP
45179	196	12	for	for	IN
45179	196	13	his	-PRON-	PRP$
45179	196	14	kindness	kindness	NN
45179	196	15	in	in	IN
45179	196	16	explaining	explain	VBG
45179	196	17	and	and	CC
45179	196	18	illustrating	illustrate	VBG
45179	196	19	his	-PRON-	PRP$
45179	196	20	system	system	NN
45179	196	21	,	,	,
45179	196	22	and	and	CC
45179	196	23	invited	invite	VBD
45179	196	24	him	-PRON-	PRP
45179	196	25	to	to	TO
45179	196	26	communicate	communicate	VB
45179	196	27	with	with	IN
45179	196	28	the	the	DT
45179	196	29	Brazilian	brazilian	JJ
45179	196	30	government	government	NN
45179	196	31	with	with	IN
45179	196	32	a	a	DT
45179	196	33	view	view	NN
45179	196	34	to	to	IN
45179	196	35	introducing	introduce	VBG
45179	196	36	the	the	DT
45179	196	37	system	system	NN
45179	196	38	in	in	IN
45179	196	39	Brazil	Brazil	NNP
45179	196	40	.	.	.
45179	197	1	On	on	IN
45179	197	2	the	the	DT
45179	197	3	return	return	NN
45179	197	4	of	of	IN
45179	197	5	the	the	DT
45179	197	6	party	party	NN
45179	197	7	to	to	IN
45179	197	8	the	the	DT
45179	197	9	Lowell	Lowell	NNP
45179	197	10	depot	depot	NN
45179	197	11	in	in	IN
45179	197	12	Boston	Boston	NNP
45179	197	13	,	,	,
45179	197	14	the	the	DT
45179	197	15	Emperor	Emperor	NNP
45179	197	16	was	be	VBD
45179	197	17	received	receive	VBN
45179	197	18	with	with	IN
45179	197	19	great	great	JJ
45179	197	20	applause	applause	NN
45179	197	21	,	,	,
45179	197	22	which	which	WDT
45179	197	23	he	-PRON-	PRP
45179	197	24	politely	politely	RB
45179	197	25	acknowledged	acknowledge	VBD
45179	197	26	by	by	IN
45179	197	27	waving	wave	VBG
45179	197	28	his	-PRON-	PRP$
45179	197	29	hat	hat	NN
45179	197	30	.	.	.
45179	197	31	"	"	''
45179	198	1	It	-PRON-	PRP
45179	198	2	will	will	MD
45179	198	3	be	be	VB
45179	198	4	interesting	interesting	JJ
45179	198	5	to	to	TO
45179	198	6	note	note	VB
45179	198	7	that	that	IN
45179	198	8	on	on	IN
45179	198	9	June	June	NNP
45179	198	10	14	14	CD
45179	198	11	,	,	,
45179	198	12	1876	1876	CD
45179	198	13	,	,	,
45179	198	14	the	the	DT
45179	198	15	day	day	NN
45179	198	16	the	the	DT
45179	198	17	Emperor	Emperor	NNP
45179	198	18	inspected	inspect	VBD
45179	198	19	the	the	DT
45179	198	20	Robinson	Robinson	NNP
45179	198	21	Signal	Signal	NNP
45179	198	22	System	System	NNP
45179	198	23	at	at	IN
45179	198	24	West	West	NNP
45179	198	25	Somerville	Somerville	NNP
45179	198	26	,	,	,
45179	198	27	the	the	DT
45179	198	28	battery	battery	NN
45179	198	29	had	have	VBD
45179	198	30	been	be	VBN
45179	198	31	in	in	IN
45179	198	32	operation	operation	NN
45179	198	33	exactly	exactly	RB
45179	198	34	180	180	CD
45179	198	35	days	day	NNS
45179	198	36	without	without	IN
45179	198	37	any	any	DT
45179	198	38	attention	attention	NN
45179	198	39	whatever	whatever	WDT
45179	198	40	except	except	IN
45179	198	41	that	that	DT
45179	198	42	on	on	IN
45179	198	43	two	two	CD
45179	198	44	occasions	occasion	NNS
45179	198	45	a	a	DT
45179	198	46	little	little	JJ
45179	198	47	water	water	NN
45179	198	48	had	have	VBD
45179	198	49	been	be	VBN
45179	198	50	added	add	VBN
45179	198	51	to	to	TO
45179	198	52	make	make	VB
45179	198	53	up	up	RP
45179	198	54	for	for	IN
45179	198	55	evaporation	evaporation	NN
45179	198	56	,	,	,
45179	198	57	the	the	DT
45179	198	58	signal	signal	NN
45179	198	59	working	work	VBG
45179	198	60	perfectly	perfectly	RB
45179	198	61	all	all	PDT
45179	198	62	that	that	DT
45179	198	63	time	time	NN
45179	198	64	and	and	CC
45179	198	65	the	the	DT
45179	198	66	battery	battery	NN
45179	198	67	with	with	IN
45179	198	68	full	full	JJ
45179	198	69	strength	strength	NN
45179	198	70	.	.	.
45179	199	1	[	[	-LRB-
45179	199	2	Illustration	illustration	NN
45179	199	3	:	:	:
45179	199	4	Fig	Fig	NNP
45179	199	5	.	.	.
45179	200	1	4	4	LS
45179	200	2	.	.	.
45179	201	1	Robinson	Robinson	NNP
45179	201	2	's	's	POS
45179	201	3	Electro	Electro	NNP
45179	201	4	-	-	HYPH
45179	201	5	Mechanical	Mechanical	NNP
45179	201	6	Signal	Signal	NNP
45179	201	7	in	in	IN
45179	201	8	Operation	Operation	NNP
45179	201	9	at	at	IN
45179	201	10	West	West	NNP
45179	201	11	Somerville	Somerville	NNP
45179	201	12	when	when	WRB
45179	201	13	Inspected	inspect	VBN
45179	201	14	by	by	IN
45179	201	15	the	the	DT
45179	201	16	Emperor	Emperor	NNP
45179	201	17	of	of	IN
45179	201	18	Brazil	Brazil	NNP
45179	201	19	in	in	IN
45179	201	20	1876	1876	CD
45179	201	21	.	.	.
45179	201	22	]	]	-RRB-
45179	202	1	The	the	DT
45179	202	2	following	follow	VBG
45179	202	3	is	be	VBZ
45179	202	4	from	from	IN
45179	202	5	a	a	DT
45179	202	6	report	report	NN
45179	202	7	on	on	IN
45179	202	8	the	the	DT
45179	202	9	above	above	JJ
45179	202	10	signal	signal	NN
45179	202	11	by	by	IN
45179	202	12	the	the	DT
45179	202	13	station	station	NN
45179	202	14	agent	agent	NN
45179	202	15	at	at	IN
45179	202	16	Elm	Elm	NNP
45179	202	17	street	street	NNP
45179	202	18	,	,	,
45179	202	19	dated	date	VBN
45179	202	20	June	June	NNP
45179	202	21	2	2	CD
45179	202	22	,	,	,
45179	202	23	1877	1877	CD
45179	202	24	,	,	,
45179	202	25	eighteen	eighteen	CD
45179	202	26	months	month	NNS
45179	202	27	after	after	IN
45179	202	28	it	-PRON-	PRP
45179	202	29	had	have	VBD
45179	202	30	been	be	VBN
45179	202	31	installed	instal	VBN
45179	202	32	:	:	:
45179	202	33	"	"	``
45179	202	34	Robinson	Robinson	NNP
45179	202	35	's	's	POS
45179	202	36	Electric	Electric	NNP
45179	202	37	Signal	Signal	NNP
45179	202	38	at	at	IN
45179	202	39	this	this	DT
45179	202	40	place	place	NN
45179	202	41	has	have	VBZ
45179	202	42	been	be	VBN
45179	202	43	working	work	VBG
45179	202	44	uninterruptedly	uninterruptedly	RB
45179	202	45	since	since	IN
45179	202	46	it	-PRON-	PRP
45179	202	47	was	be	VBD
45179	202	48	first	first	RB
45179	202	49	put	put	VBN
45179	202	50	in	in	IN
45179	202	51	operation	operation	NN
45179	202	52	.	.	.
45179	203	1	*	*	NFP
45179	203	2	*	*	NFP
45179	203	3	*	*	NFP
45179	203	4	The	the	DT
45179	203	5	signal	signal	NN
45179	203	6	is	be	VBZ
45179	203	7	entirely	entirely	RB
45179	203	8	reliable	reliable	JJ
45179	203	9	.	.	.
45179	203	10	"	"	''
45179	204	1	The	the	DT
45179	204	2	above	above	JJ
45179	204	3	signal	signal	NN
45179	204	4	continued	continue	VBD
45179	204	5	to	to	TO
45179	204	6	work	work	VB
45179	204	7	perfectly	perfectly	RB
45179	204	8	for	for	IN
45179	204	9	a	a	DT
45179	204	10	number	number	NN
45179	204	11	of	of	IN
45179	204	12	years	year	NNS
45179	204	13	until	until	IN
45179	204	14	the	the	DT
45179	204	15	signal	signal	NNP
45179	204	16	post	post	NN
45179	204	17	,	,	,
45179	204	18	which	which	WDT
45179	204	19	was	be	VBD
45179	204	20	of	of	IN
45179	204	21	wood	wood	NN
45179	204	22	,	,	,
45179	204	23	rotted	rot	VBD
45179	204	24	down	down	RP
45179	204	25	.	.	.
45179	205	1	[	[	-LRB-
45179	205	2	Illustration	illustration	NN
45179	205	3	:	:	:
45179	205	4	Fig	Fig	NNP
45179	205	5	.	.	.
45179	206	1	4a	4a	NNP
45179	206	2	.	.	.
45179	206	3	]	]	-RRB-
45179	207	1	The	the	DT
45179	207	2	signal	signal	NN
45179	207	3	mechanism	mechanism	NN
45179	207	4	used	use	VBN
45179	207	5	on	on	IN
45179	207	6	the	the	DT
45179	207	7	Robinson	Robinson	NNP
45179	207	8	signal	signal	NN
45179	207	9	at	at	IN
45179	207	10	Elm	Elm	NNP
45179	207	11	street	street	NNP
45179	207	12	was	be	VBD
45179	207	13	of	of	IN
45179	207	14	the	the	DT
45179	207	15	electro	electro	JJ
45179	207	16	-	-	HYPH
45179	207	17	mechanical	mechanical	JJ
45179	207	18	type	type	NN
45179	207	19	.	.	.
45179	208	1	Figure	figure	NN
45179	208	2	4	4	CD
45179	208	3	is	be	VBZ
45179	208	4	a	a	DT
45179	208	5	half	half	JJ
45179	208	6	tone	tone	NN
45179	208	7	of	of	IN
45179	208	8	the	the	DT
45179	208	9	identical	identical	JJ
45179	208	10	signal	signal	NN
45179	208	11	mechanism	mechanism	NN
45179	208	12	in	in	IN
45179	208	13	operation	operation	NN
45179	208	14	there	there	RB
45179	208	15	when	when	WRB
45179	208	16	the	the	DT
45179	208	17	Emperor	Emperor	NNP
45179	208	18	of	of	IN
45179	208	19	Brazil	Brazil	NNP
45179	208	20	examined	examine	VBD
45179	208	21	the	the	DT
45179	208	22	system	system	NN
45179	208	23	with	with	IN
45179	208	24	Mr.	Mr.	NNP
45179	208	25	Robinson	Robinson	NNP
45179	208	26	,	,	,
45179	208	27	on	on	IN
45179	208	28	June	June	NNP
45179	208	29	14	14	CD
45179	208	30	,	,	,
45179	208	31	1876	1876	CD
45179	208	32	.	.	.
45179	209	1	It	-PRON-	PRP
45179	209	2	is	be	VBZ
45179	209	3	pointed	point	VBN
45179	209	4	out	out	RP
45179	209	5	that	that	IN
45179	209	6	the	the	DT
45179	209	7	above	above	JJ
45179	209	8	signal	signal	NN
45179	209	9	mechanism	mechanism	NN
45179	209	10	,	,	,
45179	209	11	Fig	Fig	NNP
45179	209	12	.	.	.
45179	210	1	4	4	LS
45179	210	2	,	,	,
45179	210	3	shows	show	VBZ
45179	210	4	a	a	DT
45179	210	5	battery	battery	NN
45179	210	6	or	or	CC
45179	210	7	pole	pole	NN
45179	210	8	changing	change	VBG
45179	210	9	attachment	attachment	NN
45179	210	10	which	which	WDT
45179	210	11	is	be	VBZ
45179	210	12	more	more	RBR
45179	210	13	clearly	clearly	RB
45179	210	14	shown	show	VBN
45179	210	15	in	in	IN
45179	210	16	Fig	Fig	NNP
45179	210	17	.	.	.
45179	211	1	4a	4a	NNP
45179	211	2	,	,	,
45179	211	3	reproduced	reproduce	VBN
45179	211	4	from	from	IN
45179	211	5	Robinson	Robinson	NNP
45179	211	6	's	's	POS
45179	211	7	British	british	JJ
45179	211	8	patent	patent	NN
45179	211	9	No	no	NN
45179	211	10	.	.	.
45179	212	1	3479	3479	CD
45179	212	2	of	of	IN
45179	212	3	August	August	NNP
45179	212	4	29	29	CD
45179	212	5	,	,	,
45179	212	6	1879	1879	CD
45179	212	7	.	.	.
45179	213	1	In	in	IN
45179	213	2	this	this	DT
45179	213	3	device	device	NN
45179	213	4	the	the	DT
45179	213	5	movement	movement	NN
45179	213	6	of	of	IN
45179	213	7	the	the	DT
45179	213	8	cam	cam	NN
45179	213	9	i^2	i^2	VBZ
45179	213	10	not	not	RB
45179	213	11	only	only	RB
45179	213	12	changes	change	VBZ
45179	213	13	the	the	DT
45179	213	14	battery	battery	NN
45179	213	15	but	but	CC
45179	213	16	changes	change	VBZ
45179	213	17	the	the	DT
45179	213	18	polarity	polarity	NN
45179	213	19	through	through	IN
45179	213	20	the	the	DT
45179	213	21	magnet	magnet	NN
45179	213	22	M^2	M^2	NNP
45179	213	23	,	,	,
45179	213	24	which	which	WDT
45179	213	25	may	may	MD
45179	213	26	be	be	VB
45179	213	27	placed	place	VBN
45179	213	28	anywhere	anywhere	RB
45179	213	29	and	and	CC
45179	213	30	used	use	VBN
45179	213	31	for	for	IN
45179	213	32	any	any	DT
45179	213	33	purpose	purpose	NN
45179	213	34	.	.	.
45179	214	1	A	a	DT
45179	214	2	special	special	JJ
45179	214	3	device	device	NN
45179	214	4	for	for	IN
45179	214	5	the	the	DT
45179	214	6	same	same	JJ
45179	214	7	purpose	purpose	NN
45179	214	8	was	be	VBD
45179	214	9	used	use	VBN
45179	214	10	not	not	RB
45179	214	11	only	only	RB
45179	214	12	in	in	IN
45179	214	13	connection	connection	NN
45179	214	14	with	with	IN
45179	214	15	the	the	DT
45179	214	16	relay	relay	NN
45179	214	17	on	on	IN
45179	214	18	the	the	DT
45179	214	19	West	West	NNP
45179	214	20	Somerville	Somerville	NNP
45179	214	21	signal	signal	NN
45179	214	22	,	,	,
45179	214	23	but	but	CC
45179	214	24	on	on	IN
45179	214	25	many	many	JJ
45179	214	26	others	other	NNS
45179	214	27	installed	instal	VBN
45179	214	28	by	by	IN
45179	214	29	Mr.	Mr.	NNP
45179	214	30	Robinson	Robinson	NNP
45179	214	31	.	.	.
45179	215	1	This	this	DT
45179	215	2	battery	battery	NN
45179	215	3	and	and	CC
45179	215	4	pole	pole	NN
45179	215	5	changing	change	VBG
45179	215	6	device	device	NN
45179	215	7	is	be	VBZ
45179	215	8	more	more	RBR
45179	215	9	fully	fully	RB
45179	215	10	described	describe	VBN
45179	215	11	in	in	IN
45179	215	12	Robinson	Robinson	NNP
45179	215	13	's	's	POS
45179	215	14	U.S.	U.S.	NNP
45179	215	15	patent	patent	NN
45179	215	16	,	,	,
45179	215	17	August	August	NNP
45179	215	18	25	25	CD
45179	215	19	,	,	,
45179	215	20	1874	1874	CD
45179	215	21	,	,	,
45179	215	22	No	no	UH
45179	215	23	.	.	.
45179	216	1	154,520	154,520	CD
45179	216	2	,	,	,
45179	216	3	Automatic	Automatic	NNP
45179	216	4	Commutator	Commutator	NNP
45179	216	5	;	;	:
45179	216	6	Application	application	NN
45179	216	7	filed	file	VBD
45179	216	8	July	July	NNP
45179	216	9	18	18	CD
45179	216	10	,	,	,
45179	216	11	1873	1873	CD
45179	216	12	.	.	.
45179	217	1	The	the	DT
45179	217	2	following	following	JJ
45179	217	3	extract	extract	NN
45179	217	4	therefrom	therefrom	NN
45179	217	5	,	,	,
45179	217	6	and	and	CC
45179	217	7	claim	claim	NN
45179	217	8	,	,	,
45179	217	9	may	may	MD
45179	217	10	be	be	VB
45179	217	11	interesting	interesting	JJ
45179	217	12	:	:	:
45179	217	13	"	"	``
45179	217	14	It	-PRON-	PRP
45179	217	15	will	will	MD
45179	217	16	be	be	VB
45179	217	17	observed	observe	VBN
45179	217	18	also	also	RB
45179	217	19	,	,	,
45179	217	20	that	that	IN
45179	217	21	while	while	IN
45179	217	22	the	the	DT
45179	217	23	actual	actual	JJ
45179	217	24	change	change	NN
45179	217	25	of	of	IN
45179	217	26	battery	battery	NN
45179	217	27	may	may	MD
45179	217	28	be	be	VB
45179	217	29	caused	cause	VBN
45179	217	30	to	to	TO
45179	217	31	take	take	VB
45179	217	32	place	place	NN
45179	217	33	when	when	WRB
45179	217	34	the	the	DT
45179	217	35	magnet	magnet	NN
45179	217	36	attracts	attract	VBZ
45179	217	37	its	-PRON-	PRP$
45179	217	38	armature	armature	NN
45179	217	39	,	,	,
45179	217	40	yet	yet	CC
45179	217	41	I	-PRON-	PRP
45179	217	42	prefer	prefer	VBP
45179	217	43	to	to	TO
45179	217	44	arrange	arrange	VB
45179	217	45	it	-PRON-	PRP
45179	217	46	so	so	IN
45179	217	47	that	that	IN
45179	217	48	no	no	DT
45179	217	49	change	change	NN
45179	217	50	of	of	IN
45179	217	51	connections	connection	NNS
45179	217	52	shall	shall	MD
45179	217	53	take	take	VB
45179	217	54	place	place	NN
45179	217	55	when	when	WRB
45179	217	56	the	the	DT
45179	217	57	armature	armature	NN
45179	217	58	is	be	VBZ
45179	217	59	attracted	attract	VBN
45179	217	60	,	,	,
45179	217	61	the	the	DT
45179	217	62	actual	actual	JJ
45179	217	63	change	change	NN
45179	217	64	taking	take	VBG
45179	217	65	place	place	NN
45179	217	66	only	only	RB
45179	217	67	during	during	IN
45179	217	68	the	the	DT
45179	217	69	reverse	reverse	JJ
45179	217	70	movement	movement	NN
45179	217	71	of	of	IN
45179	217	72	the	the	DT
45179	217	73	armature	armature	NN
45179	217	74	,	,	,
45179	217	75	caused	cause	VBN
45179	217	76	by	by	IN
45179	217	77	the	the	DT
45179	217	78	retractile	retractile	JJ
45179	217	79	force	force	NN
45179	217	80	of	of	IN
45179	217	81	the	the	DT
45179	217	82	spring	spring	NN
45179	217	83	.	.	.
45179	218	1	Furthermore	furthermore	RB
45179	218	2	,	,	,
45179	218	3	when	when	WRB
45179	218	4	desired	desire	VBN
45179	218	5	,	,	,
45179	218	6	the	the	DT
45179	218	7	batteries	battery	NNS
45179	218	8	may	may	MD
45179	218	9	be	be	VB
45179	218	10	so	so	RB
45179	218	11	connected	connected	JJ
45179	218	12	in	in	IN
45179	218	13	circuit	circuit	NN
45179	218	14	that	that	IN
45179	218	15	reverse	reverse	JJ
45179	218	16	currents	current	NNS
45179	218	17	shall	shall	MD
45179	218	18	be	be	VB
45179	218	19	passed	pass	VBN
45179	218	20	through	through	IN
45179	218	21	the	the	DT
45179	218	22	magnets	magnet	NNS
45179	218	23	every	every	DT
45179	218	24	time	time	NN
45179	218	25	the	the	DT
45179	218	26	batteries	battery	NNS
45179	218	27	are	be	VBP
45179	218	28	changed	change	VBN
45179	218	29	.	.	.
45179	218	30	"	"	''
45179	219	1	CLAIM	CLAIM	NNP
45179	219	2	2	2	CD
45179	219	3	.	.	.
45179	220	1	"	"	``
45179	220	2	In	in	IN
45179	220	3	combination	combination	NN
45179	220	4	with	with	IN
45179	220	5	the	the	DT
45179	220	6	electro	electro	JJ
45179	220	7	-	-	HYPH
45179	220	8	magnetic	magnetic	JJ
45179	220	9	commutator	commutator	NN
45179	220	10	having	have	VBG
45179	220	11	the	the	DT
45179	220	12	described	describe	VBN
45179	220	13	circuit	circuit	NN
45179	220	14	connections	connection	NNS
45179	220	15	,	,	,
45179	220	16	the	the	DT
45179	220	17	rail	rail	NN
45179	220	18	sections	section	VBZ
45179	220	19	A'A	a'a	NN
45179	220	20	*	*	NFP
45179	220	21	,	,	,
45179	220	22	the	the	DT
45179	220	23	one	one	CD
45179	220	24	closing	close	VBG
45179	220	25	the	the	DT
45179	220	26	circuit	circuit	NN
45179	220	27	through	through	IN
45179	220	28	the	the	DT
45179	220	29	commutator	commutator	NN
45179	220	30	,	,	,
45179	220	31	and	and	CC
45179	220	32	thereby	thereby	RB
45179	220	33	determining	determine	VBG
45179	220	34	the	the	DT
45179	220	35	battery	battery	NN
45179	220	36	to	to	TO
45179	220	37	be	be	VB
45179	220	38	connected	connect	VBN
45179	220	39	to	to	IN
45179	220	40	the	the	DT
45179	220	41	other	other	JJ
45179	220	42	rail	rail	NN
45179	220	43	section	section	NN
45179	220	44	,	,	,
45179	220	45	substantially	substantially	RB
45179	220	46	as	as	IN
45179	220	47	and	and	CC
45179	220	48	for	for	IN
45179	220	49	the	the	DT
45179	220	50	purpose	purpose	NN
45179	220	51	set	set	VBN
45179	220	52	forth	forth	RB
45179	220	53	.	.	.
45179	220	54	"	"	''
45179	221	1	It	-PRON-	PRP
45179	221	2	must	must	MD
45179	221	3	be	be	VB
45179	221	4	admitted	admit	VBN
45179	221	5	that	that	IN
45179	221	6	there	there	EX
45179	221	7	does	do	VBZ
45179	221	8	not	not	RB
45179	221	9	seem	seem	VB
45179	221	10	to	to	TO
45179	221	11	be	be	VB
45179	221	12	a	a	DT
45179	221	13	very	very	RB
45179	221	14	long	long	JJ
45179	221	15	step	step	NN
45179	221	16	between	between	IN
45179	221	17	the	the	DT
45179	221	18	disclosures	disclosure	NNS
45179	221	19	of	of	IN
45179	221	20	this	this	DT
45179	221	21	patent	patent	NN
45179	221	22	and	and	CC
45179	221	23	the	the	DT
45179	221	24	present	present	JJ
45179	221	25	method	method	NN
45179	221	26	of	of	IN
45179	221	27	operating	operate	VBG
45179	221	28	a	a	DT
45179	221	29	distant	distant	JJ
45179	221	30	signal	signal	NN
45179	221	31	by	by	IN
45179	221	32	reversing	reverse	VBG
45179	221	33	current	current	NN
45179	221	34	through	through	IN
45179	221	35	a	a	DT
45179	221	36	rail	rail	NN
45179	221	37	section	section	NN
45179	221	38	.	.	.
45179	222	1	It	-PRON-	PRP
45179	222	2	will	will	MD
45179	222	3	be	be	VB
45179	222	4	observed	observe	VBN
45179	222	5	that	that	IN
45179	222	6	in	in	IN
45179	222	7	this	this	DT
45179	222	8	patent	patent	NN
45179	222	9	one	one	CD
45179	222	10	rail	rail	NN
45179	222	11	is	be	VBZ
45179	222	12	used	use	VBN
45179	222	13	as	as	IN
45179	222	14	a	a	DT
45179	222	15	return	return	NN
45179	222	16	for	for	IN
45179	222	17	a	a	DT
45179	222	18	plurality	plurality	NN
45179	222	19	of	of	IN
45179	222	20	batteries	battery	NNS
45179	222	21	connected	connect	VBN
45179	222	22	to	to	IN
45179	222	23	independent	independent	JJ
45179	222	24	opposite	opposite	JJ
45179	222	25	rail	rail	NN
45179	222	26	sections	section	NNS
45179	222	27	.	.	.
45179	223	1	In	in	IN
45179	223	2	an	an	DT
45179	223	3	autograph	autograph	NN
45179	223	4	letter	letter	NN
45179	223	5	addressed	address	VBD
45179	223	6	to	to	IN
45179	223	7	the	the	DT
45179	223	8	author	author	NN
45179	223	9	by	by	IN
45179	223	10	Professor	Professor	NNP
45179	223	11	Henry	Henry	NNP
45179	223	12	,	,	,
45179	223	13	secretary	secretary	NN
45179	223	14	of	of	IN
45179	223	15	the	the	DT
45179	223	16	Smithsonian	Smithsonian	NNP
45179	223	17	Institution	Institution	NNP
45179	223	18	,	,	,
45179	223	19	under	under	IN
45179	223	20	date	date	NN
45179	223	21	of	of	IN
45179	223	22	October	October	NNP
45179	223	23	14	14	CD
45179	223	24	,	,	,
45179	223	25	1875	1875	CD
45179	223	26	,	,	,
45179	223	27	the	the	DT
45179	223	28	Professor	Professor	NNP
45179	223	29	discusses	discuss	VBZ
45179	223	30	Robinson	Robinson	NNP
45179	223	31	's	's	POS
45179	223	32	peculiar	peculiar	JJ
45179	223	33	method	method	NN
45179	223	34	of	of	IN
45179	223	35	using	use	VBG
45179	223	36	batteries	battery	NNS
45179	223	37	in	in	IN
45179	223	38	signaling	signal	VBG
45179	223	39	by	by	IN
45179	223	40	which	which	WDT
45179	223	41	he	-PRON-	PRP
45179	223	42	obtained	obtain	VBD
45179	223	43	the	the	DT
45179	223	44	above	above	IN
45179	223	45	wonderful	wonderful	JJ
45179	223	46	durability	durability	NN
45179	223	47	of	of	IN
45179	223	48	180	180	CD
45179	223	49	days	day	NNS
45179	223	50	or	or	CC
45179	223	51	more	more	JJR
45179	223	52	without	without	IN
45179	223	53	renewal	renewal	NN
45179	223	54	,	,	,
45179	223	55	and	and	CC
45179	223	56	pronounced	pronounce	VBD
45179	223	57	the	the	DT
45179	223	58	results	result	NNS
45179	223	59	obtained	obtain	VBN
45179	223	60	"	"	``
45179	223	61	very	very	RB
45179	223	62	remarkable	remarkable	JJ
45179	223	63	.	.	.
45179	223	64	"	"	''
45179	224	1	His	-PRON-	PRP$
45179	224	2	discussion	discussion	NN
45179	224	3	of	of	IN
45179	224	4	the	the	DT
45179	224	5	subject	subject	NN
45179	224	6	is	be	VBZ
45179	224	7	somewhat	somewhat	RB
45179	224	8	suggestive	suggestive	JJ
45179	224	9	of	of	IN
45179	224	10	the	the	DT
45179	224	11	principles	principle	NNS
45179	224	12	of	of	IN
45179	224	13	the	the	DT
45179	224	14	storage	storage	NN
45179	224	15	battery	battery	NN
45179	224	16	.	.	.
45179	225	1	Switches	Switches	NNP
45179	225	2	In	in	IN
45179	225	3	1876	1876	CD
45179	225	4	,	,	,
45179	225	5	7	7	CD
45179	225	6	and	and	CC
45179	225	7	8	8	CD
45179	225	8	,	,	,
45179	225	9	Mr.	Mr.	NNP
45179	225	10	Robinson	Robinson	NNP
45179	225	11	made	make	VBD
45179	225	12	a	a	DT
45179	225	13	number	number	NN
45179	225	14	of	of	IN
45179	225	15	installations	installation	NNS
45179	225	16	on	on	IN
45179	225	17	the	the	DT
45179	225	18	Boston	Boston	NNP
45179	225	19	and	and	CC
45179	225	20	Providence	Providence	NNP
45179	225	21	,	,	,
45179	225	22	Old	Old	NNP
45179	225	23	Colony	Colony	NNP
45179	225	24	and	and	CC
45179	225	25	the	the	DT
45179	225	26	Boston	Boston	NNP
45179	225	27	,	,	,
45179	225	28	Lowell	Lowell	NNP
45179	225	29	and	and	CC
45179	225	30	Nashua	Nashua	NNP
45179	225	31	railroads	railroad	NNS
45179	225	32	.	.	.
45179	226	1	On	on	IN
45179	226	2	the	the	DT
45179	226	3	latter	latter	JJ
45179	226	4	road	road	NN
45179	226	5	,	,	,
45179	226	6	at	at	IN
45179	226	7	Wilmington	Wilmington	NNP
45179	226	8	Junction	Junction	NNP
45179	226	9	,	,	,
45179	226	10	he	-PRON-	PRP
45179	226	11	equipped	equip	VBD
45179	226	12	two	two	CD
45179	226	13	parallel	parallel	JJ
45179	226	14	sections	section	NNS
45179	226	15	of	of	IN
45179	226	16	the	the	DT
45179	226	17	double	double	JJ
45179	226	18	track	track	NN
45179	226	19	,	,	,
45179	226	20	including	include	VBG
45179	226	21	six	six	CD
45179	226	22	switches	switch	NNS
45179	226	23	,	,	,
45179	226	24	in	in	IN
45179	226	25	this	this	DT
45179	226	26	short	short	JJ
45179	226	27	space	space	NN
45179	226	28	,	,	,
45179	226	29	five	five	CD
45179	226	30	of	of	IN
45179	226	31	them	-PRON-	PRP
45179	226	32	connected	connect	VBN
45179	226	33	with	with	IN
45179	226	34	one	one	CD
45179	226	35	of	of	IN
45179	226	36	the	the	DT
45179	226	37	blocks	block	NNS
45179	226	38	.	.	.
45179	227	1	These	these	DT
45179	227	2	sections	section	NNS
45179	227	3	were	be	VBD
45179	227	4	arranged	arrange	VBN
45179	227	5	as	as	IN
45179	227	6	regular	regular	JJ
45179	227	7	closed	closed	JJ
45179	227	8	circuit	circuit	NN
45179	227	9	blocks	block	NNS
45179	227	10	,	,	,
45179	227	11	operative	operative	JJ
45179	227	12	under	under	IN
45179	227	13	the	the	DT
45179	227	14	moving	move	VBG
45179	227	15	trains	train	NNS
45179	227	16	.	.	.
45179	228	1	The	the	DT
45179	228	2	switches	switch	NNS
45179	228	3	were	be	VBD
45179	228	4	also	also	RB
45179	228	5	connected	connect	VBN
45179	228	6	up	up	RP
45179	228	7	in	in	IN
45179	228	8	such	such	PDT
45179	228	9	a	a	DT
45179	228	10	way	way	NN
45179	228	11	that	that	WDT
45179	228	12	every	every	DT
45179	228	13	switch	switch	NN
45179	228	14	had	have	VBD
45179	228	15	to	to	TO
45179	228	16	be	be	VB
45179	228	17	closed	close	VBN
45179	228	18	and	and	CC
45179	228	19	locked	lock	VBN
45179	228	20	for	for	IN
45179	228	21	the	the	DT
45179	228	22	main	main	JJ
45179	228	23	line	line	NN
45179	228	24	or	or	CC
45179	228	25	the	the	DT
45179	228	26	danger	danger	NN
45179	228	27	signal	signal	NN
45179	228	28	would	would	MD
45179	228	29	be	be	VB
45179	228	30	exposed	expose	VBN
45179	228	31	against	against	IN
45179	228	32	approaching	approach	VBG
45179	228	33	trains	train	NNS
45179	228	34	.	.	.
45179	229	1	This	this	DT
45179	229	2	installation	installation	NN
45179	229	3	was	be	VBD
45179	229	4	made	make	VBN
45179	229	5	in	in	IN
45179	229	6	1876	1876	CD
45179	229	7	.	.	.
45179	230	1	The	the	DT
45179	230	2	switch	switch	NN
45179	230	3	connection	connection	NN
45179	230	4	applied	apply	VBN
45179	230	5	to	to	IN
45179	230	6	these	these	DT
45179	230	7	switches	switch	NNS
45179	230	8	is	be	VBZ
45179	230	9	shown	show	VBN
45179	230	10	in	in	IN
45179	230	11	Fig	Fig	NNP
45179	230	12	.	.	.
45179	231	1	5	5	CD
45179	231	2	and	and	CC
45179	231	3	a	a	DT
45179	231	4	general	general	JJ
45179	231	5	plan	plan	NN
45179	231	6	of	of	IN
45179	231	7	the	the	DT
45179	231	8	same	same	JJ
45179	231	9	is	be	VBZ
45179	231	10	illustrated	illustrate	VBN
45179	231	11	in	in	IN
45179	231	12	Fig	Fig	NNP
45179	231	13	.	.	.
45179	232	1	6	6	CD
45179	232	2	.	.	.
45179	233	1	Both	both	DT
45179	233	2	of	of	IN
45179	233	3	these	these	DT
45179	233	4	figures	figure	NNS
45179	233	5	are	be	VBP
45179	233	6	reproductions	reproduction	NNS
45179	233	7	from	from	IN
45179	233	8	Robinson	Robinson	NNP
45179	233	9	's	's	POS
45179	233	10	aforesaid	aforesaid	JJ
45179	233	11	British	british	JJ
45179	233	12	patent	patent	NN
45179	233	13	of	of	IN
45179	233	14	1879	1879	CD
45179	233	15	.	.	.
45179	234	1	[	[	-LRB-
45179	234	2	Illustration	illustration	NN
45179	234	3	:	:	:
45179	234	4	Fig	Fig	NNP
45179	234	5	.	.	.
45179	235	1	5	5	CD
45179	235	2	.	.	.
45179	235	3	]	]	-RRB-
45179	236	1	[	[	-LRB-
45179	236	2	Illustration	illustration	NN
45179	236	3	:	:	:
45179	236	4	Fig	Fig	NNP
45179	236	5	.	.	.
45179	237	1	6	6	LS
45179	237	2	.	.	.
45179	237	3	]	]	-RRB-
45179	238	1	It	-PRON-	PRP
45179	238	2	will	will	MD
45179	238	3	be	be	VB
45179	238	4	observed	observe	VBN
45179	238	5	that	that	IN
45179	238	6	when	when	WRB
45179	238	7	the	the	DT
45179	238	8	switch	switch	NN
45179	238	9	is	be	VBZ
45179	238	10	on	on	IN
45179	238	11	the	the	DT
45179	238	12	main	main	JJ
45179	238	13	line	line	NN
45179	238	14	the	the	DT
45179	238	15	wires	wire	NNS
45179	238	16	7	7	CD
45179	238	17	,	,	,
45179	238	18	8	8	CD
45179	238	19	are	be	VBP
45179	238	20	connected	connect	VBN
45179	238	21	by	by	IN
45179	238	22	the	the	DT
45179	238	23	plug	plug	NN
45179	238	24	6	6	CD
45179	238	25	on	on	IN
45179	238	26	the	the	DT
45179	238	27	switch	switch	NN
45179	238	28	connection	connection	NN
45179	238	29	,	,	,
45179	238	30	thus	thus	RB
45179	238	31	completing	complete	VBG
45179	238	32	a	a	DT
45179	238	33	working	work	VBG
45179	238	34	circuit	circuit	NN
45179	238	35	through	through	IN
45179	238	36	the	the	DT
45179	238	37	rails	rail	NNS
45179	238	38	and	and	CC
45179	238	39	around	around	IN
45179	238	40	the	the	DT
45179	238	41	switch	switch	NN
45179	238	42	,	,	,
45179	238	43	but	but	CC
45179	238	44	when	when	WRB
45179	238	45	the	the	DT
45179	238	46	switch	switch	NN
45179	238	47	is	be	VBZ
45179	238	48	placed	place	VBN
45179	238	49	for	for	IN
45179	238	50	a	a	DT
45179	238	51	siding	siding	NN
45179	238	52	the	the	DT
45179	238	53	wires	wire	NNS
45179	238	54	7	7	CD
45179	238	55	and	and	CC
45179	238	56	9	9	CD
45179	238	57	are	be	VBP
45179	238	58	connected	connect	VBN
45179	238	59	by	by	IN
45179	238	60	the	the	DT
45179	238	61	plug	plug	NN
45179	238	62	5	5	CD
45179	238	63	,	,	,
45179	238	64	thus	thus	RB
45179	238	65	short	short	JJ
45179	238	66	circuiting	circuit	VBG
45179	238	67	the	the	DT
45179	238	68	current	current	NN
45179	238	69	from	from	IN
45179	238	70	the	the	DT
45179	238	71	magnet	magnet	NN
45179	238	72	M	m	NN
45179	238	73	,	,	,
45179	238	74	thus	thus	RB
45179	238	75	producing	produce	VBG
45179	238	76	the	the	DT
45179	238	77	same	same	JJ
45179	238	78	effect	effect	NN
45179	238	79	as	as	IN
45179	238	80	would	would	MD
45179	238	81	the	the	DT
45179	238	82	presence	presence	NN
45179	238	83	of	of	IN
45179	238	84	a	a	DT
45179	238	85	train	train	NN
45179	238	86	on	on	IN
45179	238	87	the	the	DT
45179	238	88	section	section	NN
45179	238	89	.	.	.
45179	239	1	It	-PRON-	PRP
45179	239	2	is	be	VBZ
45179	239	3	always	always	RB
45179	239	4	better	well	JJR
45179	239	5	to	to	IN
45179	239	6	short	short	JJ
45179	239	7	circuit	circuit	VB
45179	239	8	the	the	DT
45179	239	9	current	current	NN
45179	239	10	than	than	IN
45179	239	11	trust	trust	NN
45179	239	12	to	to	IN
45179	239	13	the	the	DT
45179	239	14	mere	mere	JJ
45179	239	15	opening	opening	NN
45179	239	16	of	of	IN
45179	239	17	circuit	circuit	NN
45179	239	18	since	since	IN
45179	239	19	short	short	JJ
45179	239	20	circuiting	circuiting	NN
45179	239	21	is	be	VBZ
45179	239	22	sure	sure	JJ
45179	239	23	to	to	TO
45179	239	24	produce	produce	VB
45179	239	25	instantaneous	instantaneous	JJ
45179	239	26	results	result	NNS
45179	239	27	.	.	.
45179	240	1	It	-PRON-	PRP
45179	240	2	will	will	MD
45179	240	3	be	be	VB
45179	240	4	observed	observe	VBN
45179	240	5	,	,	,
45179	240	6	however	however	RB
45179	240	7	,	,	,
45179	240	8	that	that	IN
45179	240	9	in	in	IN
45179	240	10	the	the	DT
45179	240	11	above	above	JJ
45179	240	12	case	case	NN
45179	240	13	the	the	DT
45179	240	14	movement	movement	NN
45179	240	15	of	of	IN
45179	240	16	the	the	DT
45179	240	17	switch	switch	NN
45179	240	18	connection	connection	NN
45179	240	19	both	both	DT
45179	240	20	opens	open	VBZ
45179	240	21	the	the	DT
45179	240	22	rail	rail	NN
45179	240	23	circuit	circuit	NN
45179	240	24	and	and	CC
45179	240	25	short	short	JJ
45179	240	26	circuits	circuit	NNS
45179	240	27	the	the	DT
45179	240	28	current	current	NN
45179	240	29	from	from	IN
45179	240	30	the	the	DT
45179	240	31	relay	relay	NN
45179	240	32	.	.	.
45179	241	1	It	-PRON-	PRP
45179	241	2	may	may	MD
45179	241	3	be	be	VB
45179	241	4	here	here	RB
45179	241	5	stated	state	VBN
45179	241	6	that	that	IN
45179	241	7	Mr.	Mr.	NNP
45179	241	8	Robinson	Robinson	NNP
45179	241	9	equipped	equip	VBD
45179	241	10	three	three	CD
45179	241	11	switches	switch	NNS
45179	241	12	in	in	IN
45179	241	13	one	one	CD
45179	241	14	closed	closed	JJ
45179	241	15	circuit	circuit	NN
45179	241	16	block	block	NN
45179	241	17	,	,	,
45179	241	18	in	in	IN
45179	241	19	the	the	DT
45179	241	20	manner	manner	NN
45179	241	21	described	describe	VBN
45179	241	22	above	above	RB
45179	241	23	,	,	,
45179	241	24	on	on	IN
45179	241	25	the	the	DT
45179	241	26	Philadelphia	Philadelphia	NNP
45179	241	27	and	and	CC
45179	241	28	Erie	Erie	NNP
45179	241	29	railroad	railroad	NN
45179	241	30	in	in	IN
45179	241	31	1873	1873	CD
45179	241	32	.	.	.
45179	242	1	[	[	-LRB-
45179	242	2	Illustration	illustration	NN
45179	242	3	:	:	:
45179	242	4	Fig	Fig	NNP
45179	242	5	.	.	.
45179	243	1	7	7	LS
45179	243	2	.	.	.
45179	243	3	]	]	-RRB-
45179	244	1	Fig	fig	NN
45179	244	2	.	.	.
45179	245	1	7	7	LS
45179	245	2	,	,	,
45179	245	3	from	from	IN
45179	245	4	Robinson	Robinson	NNP
45179	245	5	's	's	POS
45179	245	6	English	English	NNP
45179	245	7	patent	patent	NN
45179	245	8	of	of	IN
45179	245	9	1879	1879	CD
45179	245	10	,	,	,
45179	245	11	aforesaid	aforesaid	VBD
45179	245	12	,	,	,
45179	245	13	shows	show	VBZ
45179	245	14	the	the	DT
45179	245	15	switch	switch	NN
45179	245	16	G	g	NN
45179	245	17	arranged	arrange	VBD
45179	245	18	to	to	TO
45179	245	19	operate	operate	VB
45179	245	20	the	the	DT
45179	245	21	signal	signal	NN
45179	245	22	by	by	IN
45179	245	23	hand	hand	NN
45179	245	24	from	from	IN
45179	245	25	an	an	DT
45179	245	26	office	office	NN
45179	245	27	,	,	,
45179	245	28	station	station	NN
45179	245	29	or	or	CC
45179	245	30	telegraph	telegraph	NN
45179	245	31	post	post	NN
45179	245	32	by	by	IN
45179	245	33	the	the	DT
45179	245	34	roadside	roadside	NN
45179	245	35	,	,	,
45179	245	36	as	as	RB
45179	245	37	heretofore	heretofore	RB
45179	245	38	described	describe	VBN
45179	245	39	.	.	.
45179	246	1	Drawbridges	drawbridge	NNS
45179	246	2	About	about	IN
45179	246	3	the	the	DT
45179	246	4	time	time	NN
45179	246	5	he	-PRON-	PRP
45179	246	6	made	make	VBD
45179	246	7	the	the	DT
45179	246	8	Wilmington	Wilmington	NNP
45179	246	9	installations	installation	NNS
45179	246	10	above	above	IN
45179	246	11	described	describe	VBN
45179	246	12	,	,	,
45179	246	13	Mr.	Mr.	NNP
45179	246	14	Robinson	Robinson	NNP
45179	246	15	made	make	VBD
45179	246	16	an	an	DT
45179	246	17	installation	installation	NN
45179	246	18	of	of	IN
45179	246	19	his	-PRON-	PRP$
45179	246	20	system	system	NN
45179	246	21	also	also	RB
45179	246	22	on	on	IN
45179	246	23	the	the	DT
45179	246	24	Old	Old	NNP
45179	246	25	Colony	Colony	NNP
45179	246	26	railroad	railroad	NN
45179	246	27	,	,	,
45179	246	28	in	in	IN
45179	246	29	which	which	WDT
45179	246	30	one	one	CD
45179	246	31	block	block	NN
45179	246	32	signal	signal	NN
45179	246	33	section	section	NN
45179	246	34	at	at	IN
45179	246	35	Somerset	Somerset	NNP
45179	246	36	included	include	VBD
45179	246	37	a	a	DT
45179	246	38	drawbridge	drawbridge	NN
45179	246	39	.	.	.
45179	247	1	He	-PRON-	PRP
45179	247	2	included	include	VBD
45179	247	3	the	the	DT
45179	247	4	track	track	NN
45179	247	5	rails	rail	NNS
45179	247	6	of	of	IN
45179	247	7	the	the	DT
45179	247	8	drawbridge	drawbridge	NN
45179	247	9	in	in	IN
45179	247	10	the	the	DT
45179	247	11	track	track	NN
45179	247	12	circuit	circuit	NN
45179	247	13	in	in	IN
45179	247	14	such	such	PDT
45179	247	15	a	a	DT
45179	247	16	way	way	NN
45179	247	17	that	that	WDT
45179	247	18	the	the	DT
45179	247	19	withdrawing	withdrawing	NN
45179	247	20	or	or	CC
45179	247	21	loosening	loosening	NN
45179	247	22	of	of	IN
45179	247	23	any	any	DT
45179	247	24	one	one	CD
45179	247	25	of	of	IN
45179	247	26	the	the	DT
45179	247	27	bridge	bridge	NN
45179	247	28	lock	lock	NN
45179	247	29	-	-	HYPH
45179	247	30	bolts	bolt	NNS
45179	247	31	would	would	MD
45179	247	32	display	display	VB
45179	247	33	the	the	DT
45179	247	34	danger	danger	NN
45179	247	35	signal	signal	NN
45179	247	36	,	,	,
45179	247	37	which	which	WDT
45179	247	38	remained	remain	VBD
45179	247	39	exposed	expose	VBN
45179	247	40	until	until	IN
45179	247	41	the	the	DT
45179	247	42	bridge	bridge	NN
45179	247	43	and	and	CC
45179	247	44	its	-PRON-	PRP$
45179	247	45	lock	lock	NN
45179	247	46	-	-	HYPH
45179	247	47	bolts	bolt	NNS
45179	247	48	were	be	VBD
45179	247	49	all	all	DT
45179	247	50	restored	restore	VBN
45179	247	51	to	to	IN
45179	247	52	their	-PRON-	PRP$
45179	247	53	normal	normal	JJ
45179	247	54	condition	condition	NN
45179	247	55	insuring	insure	VBG
45179	247	56	safety	safety	NN
45179	247	57	.	.	.
45179	248	1	Tunnels	Tunnels	NNP
45179	248	2	Long	Long	NNP
45179	248	3	wet	wet	JJ
45179	248	4	tunnels	tunnel	NNS
45179	248	5	present	present	VBP
45179	248	6	peculiar	peculiar	JJ
45179	248	7	difficulties	difficulty	NNS
45179	248	8	to	to	IN
45179	248	9	the	the	DT
45179	248	10	reliable	reliable	JJ
45179	248	11	operation	operation	NN
45179	248	12	of	of	IN
45179	248	13	the	the	DT
45179	248	14	rail	rail	NN
45179	248	15	circuit	circuit	NN
45179	248	16	;	;	:
45179	248	17	and	and	CC
45179	248	18	yet	yet	RB
45179	248	19	these	these	DT
45179	248	20	difficulties	difficulty	NNS
45179	248	21	are	be	VBP
45179	248	22	readily	readily	RB
45179	248	23	overcome	overcome	VBN
45179	248	24	by	by	IN
45179	248	25	including	include	VBG
45179	248	26	one	one	CD
45179	248	27	or	or	CC
45179	248	28	more	more	JJR
45179	248	29	additional	additional	JJ
45179	248	30	relays	relay	NNS
45179	248	31	in	in	IN
45179	248	32	the	the	DT
45179	248	33	signal	signal	NN
45179	248	34	section	section	NN
45179	248	35	,	,	,
45179	248	36	as	as	IN
45179	248	37	shown	show	VBN
45179	248	38	in	in	IN
45179	248	39	Fig	Fig	NNP
45179	248	40	.	.	.
45179	249	1	8	8	CD
45179	249	2	,	,	,
45179	249	3	which	which	WDT
45179	249	4	illustrates	illustrate	VBZ
45179	249	5	the	the	DT
45179	249	6	application	application	NN
45179	249	7	of	of	IN
45179	249	8	the	the	DT
45179	249	9	Robinson	Robinson	NNP
45179	249	10	track	track	NN
45179	249	11	circuit	circuit	NN
45179	249	12	system	system	NN
45179	249	13	as	as	IN
45179	249	14	applied	apply	VBN
45179	249	15	to	to	IN
45179	249	16	the	the	DT
45179	249	17	Tehauntepec	Tehauntepec	NNP
45179	249	18	tunnel	tunnel	NN
45179	249	19	in	in	IN
45179	249	20	California	California	NNP
45179	249	21	.	.	.
45179	250	1	Mr.	Mr.	NNP
45179	250	2	Robinson	Robinson	NNP
45179	250	3	forwarded	forward	VBD
45179	250	4	the	the	DT
45179	250	5	signals	signal	NNS
45179	250	6	and	and	CC
45179	250	7	necessary	necessary	JJ
45179	250	8	instructions	instruction	NNS
45179	250	9	,	,	,
45179	250	10	and	and	CC
45179	250	11	the	the	DT
45179	250	12	installation	installation	NN
45179	250	13	was	be	VBD
45179	250	14	made	make	VBN
45179	250	15	by	by	IN
45179	250	16	Mr.	Mr.	NNP
45179	250	17	Stephen	Stephen	NNP
45179	250	18	D.	D.	NNP
45179	250	19	Field	Field	NNP
45179	250	20	,	,	,
45179	250	21	secretary	secretary	NN
45179	250	22	of	of	IN
45179	250	23	the	the	DT
45179	250	24	Electrical	Electrical	NNP
45179	250	25	Construction	Construction	NNP
45179	250	26	and	and	CC
45179	250	27	Maintenance	Maintenance	NNP
45179	250	28	Co.	Co.	NNP
45179	250	29	of	of	IN
45179	250	30	San	San	NNP
45179	250	31	Francisco	Francisco	NNP
45179	250	32	.	.	.
45179	251	1	[	[	-LRB-
45179	251	2	Illustration	illustration	NN
45179	251	3	:	:	:
45179	251	4	Fig	Fig	NNP
45179	251	5	.	.	.
45179	252	1	8	8	LS
45179	252	2	.	.	.
45179	252	3	]	]	-RRB-
45179	253	1	Figure	figure	NN
45179	253	2	8	8	CD
45179	253	3	is	be	VBZ
45179	253	4	from	from	IN
45179	253	5	a	a	DT
45179	253	6	sketch	sketch	NN
45179	253	7	made	make	VBN
45179	253	8	by	by	IN
45179	253	9	Mr.	Mr.	NNP
45179	253	10	Field	Field	NNP
45179	253	11	in	in	IN
45179	253	12	a	a	DT
45179	253	13	letter	letter	NN
45179	253	14	dated	date	VBN
45179	253	15	San	San	NNP
45179	253	16	Francisco	Francisco	NNP
45179	253	17	,	,	,
45179	253	18	March	March	NNP
45179	253	19	21	21	CD
45179	253	20	,	,	,
45179	253	21	1877	1877	CD
45179	253	22	,	,	,
45179	253	23	addressed	address	VBD
45179	253	24	to	to	IN
45179	253	25	Mr.	Mr.	NNP
45179	253	26	Robinson	Robinson	NNP
45179	253	27	.	.	.
45179	254	1	In	in	IN
45179	254	2	this	this	DT
45179	254	3	letter	letter	NN
45179	254	4	Mr.	Mr.	NNP
45179	254	5	Field	Field	NNP
45179	254	6	says	say	VBZ
45179	254	7	:	:	:
45179	254	8	"	"	``
45179	254	9	I	-PRON-	PRP
45179	254	10	am	be	VBP
45179	254	11	just	just	RB
45179	254	12	in	in	IN
45179	254	13	the	the	DT
45179	254	14	receipt	receipt	NN
45179	254	15	of	of	IN
45179	254	16	yours	your	NNS
45179	254	17	of	of	IN
45179	254	18	the	the	DT
45179	254	19	12th	12th	NN
45179	254	20	.	.	.
45179	255	1	I	-PRON-	PRP
45179	255	2	had	have	VBD
45179	255	3	anticipated	anticipate	VBN
45179	255	4	your	-PRON-	PRP$
45179	255	5	diagram	diagram	NN
45179	255	6	and	and	CC
45179	255	7	have	have	VB
45179	255	8	the	the	DT
45179	255	9	signals	signal	NNS
45179	255	10	arranged	arrange	VBN
45179	255	11	as	as	IN
45179	255	12	you	-PRON-	PRP
45179	255	13	show	show	VBP
45179	255	14	.	.	.
45179	256	1	"	"	``
45179	256	2	I	-PRON-	PRP
45179	256	3	use	use	VBP
45179	256	4	the	the	DT
45179	256	5	system	system	NN
45179	256	6	connected	connect	VBD
45179	256	7	up	up	RP
45179	256	8	as	as	IN
45179	256	9	follows	follow	VBZ
45179	256	10	:	:	:
45179	256	11	"	"	``
45179	256	12	In	in	IN
45179	256	13	the	the	DT
45179	256	14	tunnel	tunnel	NN
45179	256	15	the	the	DT
45179	256	16	rails	rail	NNS
45179	256	17	are	be	VBP
45179	256	18	buried	bury	VBN
45179	256	19	in	in	IN
45179	256	20	wet	wet	JJ
45179	256	21	mud	mud	NN
45179	256	22	;	;	:
45179	256	23	outside	outside	IN
45179	256	24	no	no	DT
45179	256	25	moisture	moisture	NN
45179	256	26	touches	touch	VBZ
45179	256	27	them	-PRON-	PRP
45179	256	28	for	for	IN
45179	256	29	six	six	CD
45179	256	30	months	month	NNS
45179	256	31	of	of	IN
45179	256	32	the	the	DT
45179	256	33	year	year	NN
45179	256	34	.	.	.
45179	256	35	"	"	''
45179	257	1	It	-PRON-	PRP
45179	257	2	will	will	MD
45179	257	3	be	be	VB
45179	257	4	noted	note	VBN
45179	257	5	that	that	IN
45179	257	6	in	in	IN
45179	257	7	the	the	DT
45179	257	8	above	above	JJ
45179	257	9	case	case	NN
45179	257	10	the	the	DT
45179	257	11	signal	signal	NN
45179	257	12	section	section	NN
45179	257	13	is	be	VBZ
45179	257	14	two	two	CD
45179	257	15	miles	mile	NNS
45179	257	16	long	long	JJ
45179	257	17	,	,	,
45179	257	18	the	the	DT
45179	257	19	tunnel	tunnel	NN
45179	257	20	being	be	VBG
45179	257	21	one	one	CD
45179	257	22	mile	mile	NN
45179	257	23	long	long	JJ
45179	257	24	,	,	,
45179	257	25	with	with	IN
45179	257	26	its	-PRON-	PRP$
45179	257	27	rails	rail	NNS
45179	257	28	"	"	''
45179	257	29	buried	bury	VBN
45179	257	30	in	in	IN
45179	257	31	wet	wet	JJ
45179	257	32	mud	mud	NN
45179	257	33	,	,	,
45179	257	34	"	"	''
45179	257	35	and	and	CC
45179	257	36	the	the	DT
45179	257	37	section	section	NN
45179	257	38	extending	extend	VBG
45179	257	39	one	one	CD
45179	257	40	-	-	HYPH
45179	257	41	half	half	NN
45179	257	42	mile	mile	NN
45179	257	43	at	at	IN
45179	257	44	either	either	DT
45179	257	45	end	end	NN
45179	257	46	of	of	IN
45179	257	47	the	the	DT
45179	257	48	tunnel	tunnel	NN
45179	257	49	.	.	.
45179	258	1	An	an	DT
45179	258	2	extra	extra	JJ
45179	258	3	relay	relay	NN
45179	258	4	and	and	CC
45179	258	5	battery	battery	NN
45179	258	6	are	be	VBP
45179	258	7	placed	place	VBN
45179	258	8	in	in	IN
45179	258	9	the	the	DT
45179	258	10	center	center	NN
45179	258	11	of	of	IN
45179	258	12	the	the	DT
45179	258	13	section	section	NN
45179	258	14	connected	connect	VBN
45179	258	15	up	up	RP
45179	258	16	as	as	IN
45179	258	17	shown	show	VBN
45179	258	18	.	.	.
45179	259	1	Thus	thus	RB
45179	259	2	,	,	,
45179	259	3	where	where	WRB
45179	259	4	conditions	condition	NNS
45179	259	5	require	require	VBP
45179	259	6	,	,	,
45179	259	7	a	a	DT
45179	259	8	signal	signal	NN
45179	259	9	section	section	NN
45179	259	10	may	may	MD
45179	259	11	be	be	VB
45179	259	12	divided	divide	VBN
45179	259	13	up	up	RP
45179	259	14	into	into	IN
45179	259	15	a	a	DT
45179	259	16	number	number	NN
45179	259	17	of	of	IN
45179	259	18	sub	sub	NN
45179	259	19	-	-	HYPH
45179	259	20	sections	section	NNS
45179	259	21	.	.	.
45179	260	1	Later	later	JJ
45179	260	2	advices	advice	NNS
45179	260	3	showed	show	VBD
45179	260	4	that	that	IN
45179	260	5	the	the	DT
45179	260	6	above	above	JJ
45179	260	7	signals	signal	NNS
45179	260	8	worked	work	VBD
45179	260	9	perfectly	perfectly	RB
45179	260	10	and	and	CC
45179	260	11	gave	give	VBD
45179	260	12	entire	entire	JJ
45179	260	13	satisfaction	satisfaction	NN
45179	260	14	.	.	.
45179	261	1	Insulated	insulated	JJ
45179	261	2	Joints	joint	NNS
45179	261	3	In	in	IN
45179	261	4	1872	1872	CD
45179	261	5	and	and	CC
45179	261	6	the	the	DT
45179	261	7	early	early	JJ
45179	261	8	seventies	seventy	NNS
45179	261	9	Mr.	Mr.	NNP
45179	261	10	Robinson	Robinson	NNP
45179	261	11	insulated	insulate	VBD
45179	261	12	the	the	DT
45179	261	13	rail	rail	NN
45179	261	14	joints	joint	NNS
45179	261	15	to	to	TO
45179	261	16	form	form	VB
45179	261	17	the	the	DT
45179	261	18	sections	section	NNS
45179	261	19	by	by	IN
45179	261	20	wooden	wooden	JJ
45179	261	21	bars	bar	NNS
45179	261	22	,	,	,
45179	261	23	substantially	substantially	RB
45179	261	24	as	as	IN
45179	261	25	shown	show	VBN
45179	261	26	in	in	IN
45179	261	27	Fig	Fig	NNP
45179	261	28	.	.	.
45179	262	1	9	9	CD
45179	262	2	.	.	.
45179	263	1	[	[	-LRB-
45179	263	2	Illustration	illustration	NN
45179	263	3	:	:	:
45179	263	4	Fig	Fig	NNP
45179	263	5	.	.	.
45179	264	1	9	9	CD
45179	264	2	.	.	.
45179	264	3	]	]	-RRB-
45179	265	1	[	[	-LRB-
45179	265	2	Illustration	illustration	NN
45179	265	3	:	:	:
45179	265	4	Fig	Fig	NNP
45179	265	5	.	.	.
45179	266	1	10	10	CD
45179	266	2	.	.	.
45179	266	3	]	]	-RRB-
45179	267	1	In	in	IN
45179	267	2	1876	1876	CD
45179	267	3	and	and	CC
45179	267	4	later	later	RBR
45179	267	5	he	-PRON-	PRP
45179	267	6	usually	usually	RB
45179	267	7	insulated	insulate	VBD
45179	267	8	the	the	DT
45179	267	9	joints	joint	NNS
45179	267	10	as	as	IN
45179	267	11	shown	show	VBN
45179	267	12	in	in	IN
45179	267	13	Fig	Fig	NNP
45179	267	14	.	.	.
45179	268	1	10	10	CD
45179	268	2	,	,	,
45179	268	3	using	use	VBG
45179	268	4	the	the	DT
45179	268	5	Fisher	Fisher	NNP
45179	268	6	&	&	CC
45179	268	7	Norris	Norris	NNP
45179	268	8	trussed	truss	VBD
45179	268	9	joint	joint	NN
45179	268	10	as	as	IN
45179	268	11	a	a	DT
45179	268	12	basis	basis	NN
45179	268	13	.	.	.
45179	269	1	Vulcanized	vulcanized	JJ
45179	269	2	fiber	fiber	NN
45179	269	3	is	be	VBZ
45179	269	4	placed	place	VBN
45179	269	5	between	between	IN
45179	269	6	the	the	DT
45179	269	7	bottom	bottom	NN
45179	269	8	of	of	IN
45179	269	9	the	the	DT
45179	269	10	rail	rail	NN
45179	269	11	ends	end	NNS
45179	269	12	and	and	CC
45179	269	13	the	the	DT
45179	269	14	base	base	NN
45179	269	15	plate	plate	NN
45179	269	16	,	,	,
45179	269	17	and	and	CC
45179	269	18	fiber	fiber	NN
45179	269	19	is	be	VBZ
45179	269	20	placed	place	VBN
45179	269	21	between	between	IN
45179	269	22	the	the	DT
45179	269	23	flanges	flange	NNS
45179	269	24	of	of	IN
45179	269	25	the	the	DT
45179	269	26	rails	rail	NNS
45179	269	27	and	and	CC
45179	269	28	the	the	DT
45179	269	29	forelocks	forelock	NNS
45179	269	30	,	,	,
45179	269	31	and	and	CC
45179	269	32	fiber	fiber	NN
45179	269	33	,	,	,
45179	269	34	the	the	DT
45179	269	35	shape	shape	NN
45179	269	36	of	of	IN
45179	269	37	the	the	DT
45179	269	38	rail	rail	NN
45179	269	39	section	section	NN
45179	269	40	is	be	VBZ
45179	269	41	placed	place	VBN
45179	269	42	between	between	IN
45179	269	43	the	the	DT
45179	269	44	ends	end	NNS
45179	269	45	of	of	IN
45179	269	46	the	the	DT
45179	269	47	adjacent	adjacent	JJ
45179	269	48	rails	rail	NNS
45179	269	49	,	,	,
45179	269	50	all	all	DT
45179	269	51	as	as	IN
45179	269	52	shown	show	VBN
45179	269	53	in	in	IN
45179	269	54	Fig	Fig	NNP
45179	269	55	.	.	.
45179	270	1	10	10	CD
45179	270	2	.	.	.
45179	271	1	This	this	DT
45179	271	2	makes	make	VBZ
45179	271	3	an	an	DT
45179	271	4	excellent	excellent	JJ
45179	271	5	insulated	insulate	VBN
45179	271	6	joint	joint	NN
45179	271	7	,	,	,
45179	271	8	both	both	CC
45179	271	9	mechanically	mechanically	RB
45179	271	10	and	and	CC
45179	271	11	electrically	electrically	RB
45179	271	12	.	.	.
45179	272	1	Rail	Rail	NNP
45179	272	2	Bonding	Bonding	NNP
45179	272	3	Dry	Dry	NNP
45179	272	4	rust	rust	NN
45179	272	5	forming	form	VBG
45179	272	6	between	between	IN
45179	272	7	the	the	DT
45179	272	8	fish	fish	NN
45179	272	9	plates	plate	NNS
45179	272	10	and	and	CC
45179	272	11	the	the	DT
45179	272	12	rails	rail	NNS
45179	272	13	of	of	IN
45179	272	14	the	the	DT
45179	272	15	track	track	NN
45179	272	16	,	,	,
45179	272	17	at	at	IN
45179	272	18	the	the	DT
45179	272	19	joints	joint	NNS
45179	272	20	,	,	,
45179	272	21	makes	make	VBZ
45179	272	22	a	a	DT
45179	272	23	poor	poor	JJ
45179	272	24	conductor	conductor	NN
45179	272	25	,	,	,
45179	272	26	and	and	CC
45179	272	27	hence	hence	RB
45179	272	28	the	the	DT
45179	272	29	low	low	JJ
45179	272	30	current	current	NN
45179	272	31	,	,	,
45179	272	32	from	from	IN
45179	272	33	only	only	RB
45179	272	34	one	one	CD
45179	272	35	or	or	CC
45179	272	36	two	two	CD
45179	272	37	cells	cell	NNS
45179	272	38	of	of	IN
45179	272	39	battery	battery	NN
45179	272	40	used	use	VBN
45179	272	41	in	in	IN
45179	272	42	the	the	DT
45179	272	43	rail	rail	NN
45179	272	44	circuit	circuit	NN
45179	272	45	for	for	IN
45179	272	46	signaling	signaling	NN
45179	272	47	is	be	VBZ
45179	272	48	very	very	RB
45179	272	49	liable	liable	JJ
45179	272	50	to	to	TO
45179	272	51	find	find	VB
45179	272	52	sufficient	sufficient	JJ
45179	272	53	resistance	resistance	NN
45179	272	54	at	at	IN
45179	272	55	the	the	DT
45179	272	56	joints	joint	NNS
45179	272	57	from	from	IN
45179	272	58	this	this	DT
45179	272	59	cause	cause	NN
45179	272	60	to	to	TO
45179	272	61	prevent	prevent	VB
45179	272	62	the	the	DT
45179	272	63	continuous	continuous	JJ
45179	272	64	passage	passage	NN
45179	272	65	of	of	IN
45179	272	66	the	the	DT
45179	272	67	current	current	NN
45179	272	68	through	through	IN
45179	272	69	the	the	DT
45179	272	70	rails	rail	NNS
45179	272	71	to	to	IN
45179	272	72	the	the	DT
45179	272	73	relay	relay	NN
45179	272	74	.	.	.
45179	273	1	Mr.	Mr.	NNP
45179	273	2	Robinson	Robinson	NNP
45179	273	3	discovered	discover	VBD
45179	273	4	this	this	DT
45179	273	5	difficulty	difficulty	NN
45179	273	6	in	in	IN
45179	273	7	his	-PRON-	PRP$
45179	273	8	first	first	JJ
45179	273	9	experiments	experiment	NNS
45179	273	10	in	in	IN
45179	273	11	rail	rail	NN
45179	273	12	signaling	signal	VBG
45179	273	13	in	in	IN
45179	273	14	1872	1872	CD
45179	273	15	and	and	CC
45179	273	16	the	the	DT
45179	273	17	necessity	necessity	NN
45179	273	18	for	for	IN
45179	273	19	making	make	VBG
45179	273	20	a	a	DT
45179	273	21	reliable	reliable	JJ
45179	273	22	electrical	electrical	JJ
45179	273	23	connection	connection	NN
45179	273	24	from	from	IN
45179	273	25	rail	rail	NN
45179	273	26	to	to	IN
45179	273	27	rail	rail	NN
45179	273	28	in	in	IN
45179	273	29	order	order	NN
45179	273	30	to	to	TO
45179	273	31	insure	insure	VB
45179	273	32	the	the	DT
45179	273	33	reliability	reliability	NN
45179	273	34	of	of	IN
45179	273	35	his	-PRON-	PRP$
45179	273	36	closed	closed	JJ
45179	273	37	circuit	circuit	NN
45179	273	38	signal	signal	NN
45179	273	39	system	system	NN
45179	273	40	.	.	.
45179	274	1	As	as	IN
45179	274	2	heretofore	heretofore	RB
45179	274	3	stated	state	VBN
45179	274	4	,	,	,
45179	274	5	therefore	therefore	RB
45179	274	6	,	,	,
45179	274	7	he	-PRON-	PRP
45179	274	8	at	at	IN
45179	274	9	that	that	DT
45179	274	10	time	time	NN
45179	274	11	conceived	conceive	VBD
45179	274	12	the	the	DT
45179	274	13	invention	invention	NN
45179	274	14	of	of	IN
45179	274	15	the	the	DT
45179	274	16	bond	bond	NN
45179	274	17	wire	wire	NN
45179	274	18	,	,	,
45179	274	19	Fig	Fig	NNP
45179	274	20	.	.	.
45179	275	1	11	11	CD
45179	275	2	,	,	,
45179	275	3	for	for	IN
45179	275	4	this	this	DT
45179	275	5	purpose	purpose	NN
45179	275	6	,	,	,
45179	275	7	the	the	DT
45179	275	8	connection	connection	NN
45179	275	9	to	to	TO
45179	275	10	be	be	VB
45179	275	11	made	make	VBN
45179	275	12	by	by	IN
45179	275	13	drilling	drill	VBG
45179	275	14	holes	hole	NNS
45179	275	15	in	in	IN
45179	275	16	the	the	DT
45179	275	17	adjacent	adjacent	JJ
45179	275	18	rails	rail	NNS
45179	275	19	,	,	,
45179	275	20	driving	drive	VBG
45179	275	21	the	the	DT
45179	275	22	ends	end	NNS
45179	275	23	of	of	IN
45179	275	24	the	the	DT
45179	275	25	wires	wire	NNS
45179	275	26	tightly	tightly	RB
45179	275	27	into	into	IN
45179	275	28	these	these	DT
45179	275	29	holes	hole	NNS
45179	275	30	,	,	,
45179	275	31	and	and	CC
45179	275	32	making	make	VBG
45179	275	33	the	the	DT
45179	275	34	connection	connection	NN
45179	275	35	so	so	RB
45179	275	36	close	close	RB
45179	275	37	that	that	IN
45179	275	38	there	there	EX
45179	275	39	would	would	MD
45179	275	40	be	be	VB
45179	275	41	no	no	DT
45179	275	42	room	room	NN
45179	275	43	for	for	IN
45179	275	44	moisture	moisture	NN
45179	275	45	to	to	TO
45179	275	46	penetrate	penetrate	VB
45179	275	47	or	or	CC
45179	275	48	rust	rust	VB
45179	275	49	to	to	TO
45179	275	50	form	form	VB
45179	275	51	.	.	.
45179	276	1	And	and	CC
45179	276	2	as	as	IN
45179	276	3	an	an	DT
45179	276	4	alternative	alternative	JJ
45179	276	5	form	form	NN
45179	276	6	he	-PRON-	PRP
45179	276	7	proposed	propose	VBD
45179	276	8	to	to	TO
45179	276	9	secure	secure	VB
45179	276	10	the	the	DT
45179	276	11	ends	end	NNS
45179	276	12	of	of	IN
45179	276	13	the	the	DT
45179	276	14	wire	wire	NN
45179	276	15	,	,	,
45179	276	16	or	or	CC
45179	276	17	of	of	IN
45179	276	18	a	a	DT
45179	276	19	plate	plate	NN
45179	276	20	,	,	,
45179	276	21	to	to	IN
45179	276	22	the	the	DT
45179	276	23	adjacent	adjacent	JJ
45179	276	24	rails	rail	NNS
45179	276	25	by	by	IN
45179	276	26	soldering	solder	VBG
45179	276	27	,	,	,
45179	276	28	as	as	IN
45179	276	29	shown	show	VBN
45179	276	30	in	in	IN
45179	276	31	Fig	Fig	NNP
45179	276	32	.	.	.
45179	277	1	12	12	CD
45179	277	2	.	.	.
45179	278	1	In	in	IN
45179	278	2	those	those	DT
45179	278	3	early	early	JJ
45179	278	4	days	day	NNS
45179	278	5	there	there	EX
45179	278	6	were	be	VBD
45179	278	7	serious	serious	JJ
45179	278	8	technical	technical	JJ
45179	278	9	objections	objection	NNS
45179	278	10	to	to	IN
45179	278	11	both	both	DT
45179	278	12	of	of	IN
45179	278	13	these	these	DT
45179	278	14	methods	method	NNS
45179	278	15	.	.	.
45179	279	1	_	_	NNP
45179	279	2	First	First	NNP
45179	279	3	_	_	NNP
45179	279	4	:	:	:
45179	279	5	The	the	DT
45179	279	6	difficulty	difficulty	NN
45179	279	7	and	and	CC
45179	279	8	expense	expense	NN
45179	279	9	of	of	IN
45179	279	10	boring	bore	VBG
45179	279	11	holes	hole	NNS
45179	279	12	in	in	IN
45179	279	13	all	all	PDT
45179	279	14	the	the	DT
45179	279	15	rails	rail	NNS
45179	279	16	of	of	IN
45179	279	17	the	the	DT
45179	279	18	section	section	NN
45179	279	19	and	and	CC
45179	279	20	connecting	connect	VBG
45179	279	21	them	-PRON-	PRP
45179	279	22	up	up	RP
45179	279	23	,	,	,
45179	279	24	and	and	CC
45179	279	25	the	the	DT
45179	279	26	difficulty	difficulty	NN
45179	279	27	of	of	IN
45179	279	28	getting	get	VBG
45179	279	29	the	the	DT
45179	279	30	railroad	railroad	NN
45179	279	31	company	company	NN
45179	279	32	to	to	TO
45179	279	33	consent	consent	VB
45179	279	34	to	to	IN
45179	279	35	such	such	PDT
45179	279	36	an	an	DT
45179	279	37	innovation	innovation	NN
45179	279	38	to	to	TO
45179	279	39	test	test	VB
45179	279	40	what	what	WP
45179	279	41	at	at	IN
45179	279	42	that	that	DT
45179	279	43	time	time	NN
45179	279	44	might	may	MD
45179	279	45	be	be	VB
45179	279	46	regarded	regard	VBN
45179	279	47	as	as	IN
45179	279	48	an	an	DT
45179	279	49	experiment	experiment	NN
45179	279	50	,	,	,
45179	279	51	and	and	CC
45179	279	52	_	_	NNP
45179	279	53	Second	Second	NNP
45179	279	54	_	_	NNP
45179	279	55	:	:	:
45179	279	56	Soldering	soldering	NN
45179	279	57	seemed	seem	VBD
45179	279	58	impracticable	impracticable	JJ
45179	279	59	on	on	IN
45179	279	60	account	account	NN
45179	279	61	of	of	IN
45179	279	62	the	the	DT
45179	279	63	difficulty	difficulty	NN
45179	279	64	of	of	IN
45179	279	65	heating	heating	NN
45179	279	66	up	up	RP
45179	279	67	the	the	DT
45179	279	68	rail	rail	NN
45179	279	69	quickly	quickly	RB
45179	279	70	enough	enough	RB
45179	279	71	at	at	IN
45179	279	72	the	the	DT
45179	279	73	required	require	VBN
45179	279	74	point	point	NN
45179	279	75	.	.	.
45179	280	1	Mr.	Mr.	NNP
45179	280	2	Robinson	Robinson	NNP
45179	280	3	,	,	,
45179	280	4	therefore	therefore	RB
45179	280	5	,	,	,
45179	280	6	postponed	postpone	VBD
45179	280	7	the	the	DT
45179	280	8	application	application	NN
45179	280	9	of	of	IN
45179	280	10	the	the	DT
45179	280	11	bond	bond	NN
45179	280	12	wire	wire	NN
45179	280	13	until	until	IN
45179	280	14	he	-PRON-	PRP
45179	280	15	could	could	MD
45179	280	16	secure	secure	VB
45179	280	17	better	well	JJR
45179	280	18	facilities	facility	NNS
45179	280	19	for	for	IN
45179	280	20	applying	apply	VBG
45179	280	21	and	and	CC
45179	280	22	using	use	VBG
45179	280	23	it	-PRON-	PRP
45179	280	24	.	.	.
45179	281	1	He	-PRON-	PRP
45179	281	2	,	,	,
45179	281	3	meantime	meantime	RB
45179	281	4	,	,	,
45179	281	5	experimented	experiment	VBN
45179	281	6	along	along	IN
45179	281	7	other	other	JJ
45179	281	8	lines	line	NNS
45179	281	9	,	,	,
45179	281	10	however	however	RB
45179	281	11	,	,	,
45179	281	12	for	for	IN
45179	281	13	the	the	DT
45179	281	14	purpose	purpose	NN
45179	281	15	of	of	IN
45179	281	16	securing	secure	VBG
45179	281	17	good	good	JJ
45179	281	18	electrical	electrical	JJ
45179	281	19	connection	connection	NN
45179	281	20	between	between	IN
45179	281	21	adjacent	adjacent	JJ
45179	281	22	rails	rail	NNS
45179	281	23	without	without	IN
45179	281	24	boring	bore	VBG
45179	281	25	holes	hole	NNS
45179	281	26	therein	therein	RB
45179	281	27	.	.	.
45179	282	1	One	one	CD
45179	282	2	of	of	IN
45179	282	3	these	these	DT
45179	282	4	methods	method	NNS
45179	282	5	was	be	VBD
45179	282	6	very	very	RB
45179	282	7	successful	successful	JJ
45179	282	8	.	.	.
45179	283	1	It	-PRON-	PRP
45179	283	2	consisted	consist	VBD
45179	283	3	in	in	IN
45179	283	4	the	the	DT
45179	283	5	use	use	NN
45179	283	6	of	of	IN
45179	283	7	elastic	elastic	JJ
45179	283	8	split	split	NN
45179	283	9	springs	spring	NNS
45179	283	10	having	have	VBG
45179	283	11	their	-PRON-	PRP$
45179	283	12	ends	end	NNS
45179	283	13	resting	rest	VBG
45179	283	14	on	on	IN
45179	283	15	the	the	DT
45179	283	16	flanges	flange	NNS
45179	283	17	of	of	IN
45179	283	18	the	the	DT
45179	283	19	adjacent	adjacent	JJ
45179	283	20	rails	rail	NNS
45179	283	21	,	,	,
45179	283	22	and	and	CC
45179	283	23	held	hold	VBN
45179	283	24	in	in	IN
45179	283	25	place	place	NN
45179	283	26	by	by	IN
45179	283	27	small	small	JJ
45179	283	28	blocks	block	NNS
45179	283	29	secured	secure	VBN
45179	283	30	to	to	IN
45179	283	31	the	the	DT
45179	283	32	ties	tie	NNS
45179	283	33	.	.	.
45179	284	1	The	the	DT
45179	284	2	passing	passing	NN
45179	284	3	of	of	IN
45179	284	4	a	a	DT
45179	284	5	train	train	NN
45179	284	6	depressing	depress	VBG
45179	284	7	the	the	DT
45179	284	8	rails	rail	NNS
45179	284	9	slightly	slightly	RB
45179	284	10	caused	cause	VBD
45179	284	11	a	a	DT
45179	284	12	slight	slight	JJ
45179	284	13	frictional	frictional	JJ
45179	284	14	movement	movement	NN
45179	284	15	between	between	IN
45179	284	16	the	the	DT
45179	284	17	rails	rail	NNS
45179	284	18	and	and	CC
45179	284	19	the	the	DT
45179	284	20	springs	spring	NNS
45179	284	21	,	,	,
45179	284	22	thus	thus	RB
45179	284	23	preserving	preserve	VBG
45179	284	24	good	good	JJ
45179	284	25	electrical	electrical	JJ
45179	284	26	contact	contact	NN
45179	284	27	.	.	.
45179	285	1	In	in	IN
45179	285	2	the	the	DT
45179	285	3	West	West	NNP
45179	285	4	Somerville	Somerville	NNP
45179	285	5	installation	installation	NN
45179	285	6	,	,	,
45179	285	7	near	near	IN
45179	285	8	Boston	Boston	NNP
45179	285	9	,	,	,
45179	285	10	made	make	VBN
45179	285	11	in	in	IN
45179	285	12	January	January	NNP
45179	285	13	,	,	,
45179	285	14	1876	1876	CD
45179	285	15	,	,	,
45179	285	16	as	as	RB
45179	285	17	heretofore	heretofore	RB
45179	285	18	described	describe	VBN
45179	285	19	,	,	,
45179	285	20	Mr.	Mr.	NNP
45179	285	21	Robinson	Robinson	NNP
45179	285	22	used	use	VBD
45179	285	23	the	the	DT
45179	285	24	bond	bond	NN
45179	285	25	wire	wire	NN
45179	285	26	shown	show	VBN
45179	285	27	in	in	IN
45179	285	28	Fig	Fig	NNP
45179	285	29	.	.	.
45179	286	1	11	11	CD
45179	286	2	.	.	.
45179	287	1	In	in	IN
45179	287	2	applying	apply	VBG
45179	287	3	this	this	DT
45179	287	4	,	,	,
45179	287	5	holes	hole	NNS
45179	287	6	were	be	VBD
45179	287	7	bored	bore	VBN
45179	287	8	in	in	IN
45179	287	9	the	the	DT
45179	287	10	rails	rail	NNS
45179	287	11	and	and	CC
45179	287	12	the	the	DT
45179	287	13	wire	wire	NN
45179	287	14	,	,	,
45179	287	15	fitting	fit	VBG
45179	287	16	the	the	DT
45179	287	17	holes	hole	NNS
45179	287	18	as	as	RB
45179	287	19	closely	closely	RB
45179	287	20	as	as	IN
45179	287	21	possible	possible	JJ
45179	287	22	,	,	,
45179	287	23	were	be	VBD
45179	287	24	forced	force	VBN
45179	287	25	in	in	IN
45179	287	26	.	.	.
45179	288	1	A	a	DT
45179	288	2	semi	semi	JJ
45179	288	3	-	-	JJ
45179	288	4	circular	circular	JJ
45179	288	5	punch	punch	NN
45179	288	6	was	be	VBD
45179	288	7	then	then	RB
45179	288	8	carefully	carefully	RB
45179	288	9	used	use	VBN
45179	288	10	to	to	TO
45179	288	11	set	set	VB
45179	288	12	the	the	DT
45179	288	13	metal	metal	NN
45179	288	14	up	up	RB
45179	288	15	close	close	RB
45179	288	16	around	around	IN
45179	288	17	the	the	DT
45179	288	18	wire	wire	NN
45179	288	19	.	.	.
45179	289	1	There	there	EX
45179	289	2	has	have	VBZ
45179	289	3	been	be	VBN
45179	289	4	no	no	DT
45179	289	5	better	well	JJR
45179	289	6	bond	bond	NN
45179	289	7	wire	wire	NN
45179	289	8	devised	devise	VBN
45179	289	9	since	since	IN
45179	289	10	then	then	RB
45179	289	11	except	except	IN
45179	289	12	in	in	IN
45179	289	13	mechanical	mechanical	JJ
45179	289	14	construction	construction	NN
45179	289	15	.	.	.
45179	290	1	Bonds	bond	NNS
45179	290	2	of	of	IN
45179	290	3	various	various	JJ
45179	290	4	designs	design	NNS
45179	290	5	have	have	VBP
45179	290	6	been	be	VBN
45179	290	7	made	make	VBN
45179	290	8	heavier	heavy	JJR
45179	290	9	,	,	,
45179	290	10	and	and	CC
45179	290	11	with	with	IN
45179	290	12	heavier	heavy	JJR
45179	290	13	end	end	NN
45179	290	14	plugs	plug	NNS
45179	290	15	for	for	IN
45179	290	16	mechanical	mechanical	JJ
45179	290	17	connection	connection	NN
45179	290	18	to	to	IN
45179	290	19	the	the	DT
45179	290	20	rails	rail	NNS
45179	290	21	.	.	.
45179	291	1	These	these	DT
45179	291	2	are	be	VBP
45179	291	3	good	good	JJ
45179	291	4	features	feature	NNS
45179	291	5	as	as	IN
45179	291	6	they	-PRON-	PRP
45179	291	7	render	render	VBP
45179	291	8	the	the	DT
45179	291	9	bond	bond	NN
45179	291	10	less	less	RBR
45179	291	11	liable	liable	JJ
45179	291	12	to	to	IN
45179	291	13	breakage	breakage	NN
45179	291	14	,	,	,
45179	291	15	and	and	CC
45179	291	16	,	,	,
45179	291	17	as	as	IN
45179	291	18	is	be	VBZ
45179	291	19	well	well	RB
45179	291	20	known	know	VBN
45179	291	21	,	,	,
45179	291	22	for	for	IN
45179	291	23	electric	electric	JJ
45179	291	24	railroads	railroad	NNS
45179	291	25	they	-PRON-	PRP
45179	291	26	should	should	MD
45179	291	27	be	be	VB
45179	291	28	much	much	RB
45179	291	29	heavier	heavy	JJR
45179	291	30	than	than	IN
45179	291	31	required	require	VBN
45179	291	32	in	in	IN
45179	291	33	signaling	signaling	NN
45179	291	34	,	,	,
45179	291	35	for	for	IN
45179	291	36	the	the	DT
45179	291	37	sake	sake	NN
45179	291	38	of	of	IN
45179	291	39	conductivity	conductivity	NN
45179	291	40	.	.	.
45179	292	1	A	a	DT
45179	292	2	bond	bond	NN
45179	292	3	wire	wire	NN
45179	292	4	,	,	,
45179	292	5	to	to	TO
45179	292	6	get	get	VB
45179	292	7	best	good	JJS
45179	292	8	results	result	NNS
45179	292	9	,	,	,
45179	292	10	should	should	MD
45179	292	11	be	be	VB
45179	292	12	homogeneous	homogeneous	JJ
45179	292	13	,	,	,
45179	292	14	made	make	VBN
45179	292	15	of	of	IN
45179	292	16	a	a	DT
45179	292	17	single	single	JJ
45179	292	18	piece	piece	NN
45179	292	19	of	of	IN
45179	292	20	metal	metal	NN
45179	292	21	,	,	,
45179	292	22	or	or	CC
45179	292	23	if	if	IN
45179	292	24	made	make	VBN
45179	292	25	of	of	IN
45179	292	26	several	several	JJ
45179	292	27	pieces	piece	NNS
45179	292	28	,	,	,
45179	292	29	all	all	PDT
45179	292	30	the	the	DT
45179	292	31	pieces	piece	NNS
45179	292	32	should	should	MD
45179	292	33	be	be	VB
45179	292	34	welded	weld	VBN
45179	292	35	,	,	,
45179	292	36	or	or	CC
45179	292	37	at	at	IN
45179	292	38	least	least	JJS
45179	292	39	,	,	,
45179	292	40	soldered	solder	VBN
45179	292	41	together	together	RB
45179	292	42	.	.	.
45179	293	1	They	-PRON-	PRP
45179	293	2	should	should	MD
45179	293	3	be	be	VB
45179	293	4	of	of	IN
45179	293	5	sufficient	sufficient	JJ
45179	293	6	length	length	NN
45179	293	7	to	to	TO
45179	293	8	insure	insure	VB
45179	293	9	flexibility	flexibility	NN
45179	293	10	without	without	IN
45179	293	11	disturbing	disturb	VBG
45179	293	12	the	the	DT
45179	293	13	connection	connection	NN
45179	293	14	if	if	IN
45179	293	15	the	the	DT
45179	293	16	rails	rail	NNS
45179	293	17	should	should	MD
45179	293	18	move	move	VB
45179	293	19	relatively	relatively	RB
45179	293	20	to	to	IN
45179	293	21	each	each	DT
45179	293	22	other	other	JJ
45179	293	23	,	,	,
45179	293	24	and	and	CC
45179	293	25	the	the	DT
45179	293	26	whole	whole	JJ
45179	293	27	circumferential	circumferential	JJ
45179	293	28	surface	surface	NN
45179	293	29	of	of	IN
45179	293	30	the	the	DT
45179	293	31	plug	plug	NN
45179	293	32	end	end	NN
45179	293	33	,	,	,
45179	293	34	or	or	CC
45179	293	35	its	-PRON-	PRP$
45179	293	36	equivalent	equivalent	NN
45179	293	37	,	,	,
45179	293	38	when	when	WRB
45179	293	39	possible	possible	JJ
45179	293	40	,	,	,
45179	293	41	should	should	MD
45179	293	42	be	be	VB
45179	293	43	in	in	IN
45179	293	44	the	the	DT
45179	293	45	closest	close	JJS
45179	293	46	possible	possible	JJ
45179	293	47	direct	direct	JJ
45179	293	48	contact	contact	NN
45179	293	49	with	with	IN
45179	293	50	the	the	DT
45179	293	51	rail	rail	NN
45179	293	52	,	,	,
45179	293	53	that	that	RB
45179	293	54	is	is	RB
45179	293	55	,	,	,
45179	293	56	the	the	DT
45179	293	57	bond	bond	NN
45179	293	58	plug	plug	NN
45179	293	59	should	should	MD
45179	293	60	make	make	VB
45179	293	61	connection	connection	NN
45179	293	62	with	with	IN
45179	293	63	the	the	DT
45179	293	64	rail	rail	NN
45179	293	65	as	as	RB
45179	293	66	nearly	nearly	RB
45179	293	67	as	as	IN
45179	293	68	possible	possible	JJ
45179	293	69	--	--	:
45179	293	70	homogeneous	homogeneous	JJ
45179	293	71	.	.	.
45179	294	1	Welding	welding	NN
45179	294	2	would	would	MD
45179	294	3	be	be	VB
45179	294	4	the	the	DT
45179	294	5	ideal	ideal	JJ
45179	294	6	connection	connection	NN
45179	294	7	but	but	CC
45179	294	8	it	-PRON-	PRP
45179	294	9	is	be	VBZ
45179	294	10	not	not	RB
45179	294	11	always	always	RB
45179	294	12	practicable	practicable	JJ
45179	294	13	.	.	.
45179	295	1	The	the	DT
45179	295	2	reason	reason	NN
45179	295	3	for	for	IN
45179	295	4	the	the	DT
45179	295	5	above	above	JJ
45179	295	6	is	be	VBZ
45179	295	7	obvious	obvious	JJ
45179	295	8	:	:	:
45179	295	9	that	that	IN
45179	295	10	there	there	EX
45179	295	11	should	should	MD
45179	295	12	be	be	VB
45179	295	13	no	no	DT
45179	295	14	room	room	NN
45179	295	15	left	leave	VBN
45179	295	16	between	between	IN
45179	295	17	the	the	DT
45179	295	18	bond	bond	NN
45179	295	19	and	and	CC
45179	295	20	rail	rail	NN
45179	295	21	for	for	IN
45179	295	22	rust	rust	NN
45179	295	23	to	to	TO
45179	295	24	form	form	VB
45179	295	25	.	.	.
45179	296	1	It	-PRON-	PRP
45179	296	2	follows	follow	VBZ
45179	296	3	then	then	RB
45179	296	4	that	that	IN
45179	296	5	a	a	DT
45179	296	6	bond	bond	NN
45179	296	7	held	hold	VBN
45179	296	8	in	in	IN
45179	296	9	position	position	NN
45179	296	10	by	by	IN
45179	296	11	an	an	DT
45179	296	12	independent	independent	JJ
45179	296	13	plug	plug	NN
45179	296	14	which	which	WDT
45179	296	15	renders	render	VBZ
45179	296	16	it	-PRON-	PRP
45179	296	17	necessary	necessary	JJ
45179	296	18	for	for	IN
45179	296	19	the	the	DT
45179	296	20	current	current	NN
45179	296	21	to	to	TO
45179	296	22	pass	pass	VB
45179	296	23	from	from	IN
45179	296	24	the	the	DT
45179	296	25	bond	bond	NN
45179	296	26	to	to	IN
45179	296	27	the	the	DT
45179	296	28	intermediate	intermediate	JJ
45179	296	29	plug	plug	NN
45179	296	30	and	and	CC
45179	296	31	from	from	IN
45179	296	32	that	that	DT
45179	296	33	plug	plug	NN
45179	296	34	to	to	IN
45179	296	35	the	the	DT
45179	296	36	rail	rail	NN
45179	296	37	,	,	,
45179	296	38	is	be	VBZ
45179	296	39	not	not	RB
45179	296	40	the	the	DT
45179	296	41	best	good	JJS
45179	296	42	form	form	NN
45179	296	43	of	of	IN
45179	296	44	bond	bond	NN
45179	296	45	,	,	,
45179	296	46	for	for	IN
45179	296	47	the	the	DT
45179	296	48	reason	reason	NN
45179	296	49	that	that	WDT
45179	296	50	it	-PRON-	PRP
45179	296	51	presents	present	VBZ
45179	296	52	a	a	DT
45179	296	53	double	double	JJ
45179	296	54	surface	surface	NN
45179	296	55	on	on	IN
45179	296	56	which	which	WDT
45179	296	57	rust	rust	NN
45179	296	58	may	may	MD
45179	296	59	form	form	VB
45179	296	60	.	.	.
45179	297	1	Figures	figure	NNS
45179	297	2	11	11	CD
45179	297	3	and	and	CC
45179	297	4	12	12	CD
45179	297	5	show	show	NN
45179	297	6	Robinson	Robinson	NNP
45179	297	7	's	's	POS
45179	297	8	bond	bond	NN
45179	297	9	wires	wire	NNS
45179	297	10	and	and	CC
45179	297	11	strips	strip	NNS
45179	297	12	of	of	IN
45179	297	13	1872	1872	CD
45179	297	14	,	,	,
45179	297	15	Fig	Fig	NNP
45179	297	16	.	.	.
45179	298	1	12	12	CD
45179	298	2	showing	show	VBG
45179	298	3	the	the	DT
45179	298	4	bond	bond	NN
45179	298	5	soldered	solder	VBN
45179	298	6	to	to	IN
45179	298	7	the	the	DT
45179	298	8	rail	rail	NN
45179	298	9	.	.	.
45179	299	1	In	in	IN
45179	299	2	1876	1876	CD
45179	299	3	,	,	,
45179	299	4	7	7	CD
45179	299	5	and	and	CC
45179	299	6	8	8	CD
45179	299	7	he	-PRON-	PRP
45179	299	8	used	use	VBD
45179	299	9	on	on	IN
45179	299	10	various	various	JJ
45179	299	11	roads	road	NNS
45179	299	12	in	in	IN
45179	299	13	the	the	DT
45179	299	14	vicinity	vicinity	NN
45179	299	15	of	of	IN
45179	299	16	Boston	Boston	NNP
45179	299	17	,	,	,
45179	299	18	the	the	DT
45179	299	19	bond	bond	NN
45179	299	20	shown	show	VBN
45179	299	21	in	in	IN
45179	299	22	Fig	Fig	NNP
45179	299	23	.	.	.
45179	300	1	11	11	CD
45179	300	2	.	.	.
45179	301	1	In	in	IN
45179	301	2	1876	1876	CD
45179	301	3	he	-PRON-	PRP
45179	301	4	used	use	VBD
45179	301	5	on	on	IN
45179	301	6	the	the	DT
45179	301	7	Boston	Boston	NNP
45179	301	8	and	and	CC
45179	301	9	Providence	Providence	NNP
45179	301	10	road	road	NN
45179	301	11	the	the	DT
45179	301	12	bond	bond	NN
45179	301	13	shown	show	VBN
45179	301	14	in	in	IN
45179	301	15	Figs	Figs	NNP
45179	301	16	.	.	.
45179	302	1	11	11	CD
45179	302	2	,	,	,
45179	302	3	13	13	CD
45179	302	4	and	and	CC
45179	302	5	14	14	CD
45179	302	6	.	.	.
45179	303	1	In	in	IN
45179	303	2	the	the	DT
45179	303	3	form	form	NN
45179	303	4	shown	show	VBN
45179	303	5	in	in	IN
45179	303	6	Fig	Fig	NNP
45179	303	7	.	.	.
45179	304	1	13	13	CD
45179	304	2	,	,	,
45179	304	3	holes	hole	NNS
45179	304	4	are	be	VBP
45179	304	5	bored	bore	VBN
45179	304	6	through	through	IN
45179	304	7	the	the	DT
45179	304	8	upper	upper	JJ
45179	304	9	ends	end	NNS
45179	304	10	of	of	IN
45179	304	11	the	the	DT
45179	304	12	plugs	plug	NNS
45179	304	13	,	,	,
45179	304	14	which	which	WDT
45179	304	15	were	be	VBD
45179	304	16	slightly	slightly	RB
45179	304	17	tapering	taper	VBG
45179	304	18	.	.	.
45179	305	1	The	the	DT
45179	305	2	wire	wire	NN
45179	305	3	was	be	VBD
45179	305	4	forced	force	VBN
45179	305	5	through	through	IN
45179	305	6	these	these	DT
45179	305	7	holes	hole	NNS
45179	305	8	,	,	,
45179	305	9	and	and	CC
45179	305	10	the	the	DT
45179	305	11	wire	wire	NN
45179	305	12	and	and	CC
45179	305	13	plugs	plug	NNS
45179	305	14	were	be	VBD
45179	305	15	then	then	RB
45179	305	16	soldered	solder	VBN
45179	305	17	together	together	RB
45179	305	18	with	with	IN
45179	305	19	hard	hard	JJ
45179	305	20	solder	solder	NN
45179	305	21	.	.	.
45179	306	1	The	the	DT
45179	306	2	plugs	plug	NNS
45179	306	3	being	be	VBG
45179	306	4	materially	materially	RB
45179	306	5	larger	large	JJR
45179	306	6	than	than	IN
45179	306	7	the	the	DT
45179	306	8	wire	wire	NN
45179	306	9	,	,	,
45179	306	10	could	could	MD
45179	306	11	readily	readily	RB
45179	306	12	be	be	VB
45179	306	13	driven	drive	VBN
45179	306	14	home	home	RB
45179	306	15	with	with	IN
45179	306	16	a	a	DT
45179	306	17	good	good	JJ
45179	306	18	deal	deal	NN
45179	306	19	of	of	IN
45179	306	20	force	force	NN
45179	306	21	,	,	,
45179	306	22	thus	thus	RB
45179	306	23	insuring	insure	VBG
45179	306	24	an	an	DT
45179	306	25	excellent	excellent	JJ
45179	306	26	electrical	electrical	JJ
45179	306	27	connection	connection	NN
45179	306	28	without	without	IN
45179	306	29	endangering	endanger	VBG
45179	306	30	the	the	DT
45179	306	31	wire	wire	NN
45179	306	32	.	.	.
45179	307	1	[	[	-LRB-
45179	307	2	Illustration	illustration	NN
45179	307	3	:	:	:
45179	307	4	Fig	Fig	NNP
45179	307	5	.	.	.
45179	308	1	11	11	CD
45179	308	2	.	.	.
45179	308	3	]	]	-RRB-
45179	309	1	[	[	-LRB-
45179	309	2	Illustration	illustration	NN
45179	309	3	:	:	:
45179	309	4	Fig	Fig	NNP
45179	309	5	.	.	.
45179	310	1	12	12	CD
45179	310	2	.	.	.
45179	310	3	]	]	-RRB-
45179	311	1	[	[	-LRB-
45179	311	2	Illustration	illustration	NN
45179	311	3	:	:	:
45179	311	4	Fig	Fig	NNP
45179	311	5	.	.	.
45179	312	1	13	13	CD
45179	312	2	.	.	.
45179	312	3	]	]	-RRB-
45179	313	1	[	[	-LRB-
45179	313	2	Illustration	illustration	NN
45179	313	3	:	:	:
45179	313	4	Fig	Fig	NNP
45179	313	5	.	.	.
45179	314	1	14	14	CD
45179	314	2	.	.	.
45179	314	3	]	]	-RRB-
45179	315	1	[	[	-LRB-
45179	315	2	Illustration	illustration	NN
45179	315	3	:	:	:
45179	315	4	Fig	Fig	NNP
45179	315	5	.	.	.
45179	316	1	15	15	CD
45179	316	2	.	.	.
45179	316	3	]	]	-RRB-
45179	317	1	[	[	-LRB-
45179	317	2	Illustration	illustration	NN
45179	317	3	:	:	:
45179	317	4	Fig	Fig	NNP
45179	317	5	.	.	.
45179	318	1	16	16	CD
45179	318	2	.	.	.
45179	318	3	]	]	-RRB-
45179	319	1	In	in	IN
45179	319	2	Robinson	Robinson	NNP
45179	319	3	's	's	POS
45179	319	4	British	british	JJ
45179	319	5	patent	patent	NN
45179	319	6	No	no	NN
45179	319	7	.	.	.
45179	320	1	3479	3479	CD
45179	320	2	,	,	,
45179	320	3	of	of	IN
45179	320	4	August	August	NNP
45179	320	5	29	29	CD
45179	320	6	,	,	,
45179	320	7	1879	1879	CD
45179	320	8	,	,	,
45179	320	9	aforesaid	aforesaid	VBD
45179	320	10	,	,	,
45179	320	11	he	-PRON-	PRP
45179	320	12	illustrated	illustrate	VBD
45179	320	13	the	the	DT
45179	320	14	form	form	NN
45179	320	15	of	of	IN
45179	320	16	bond	bond	NN
45179	320	17	shown	show	VBN
45179	320	18	in	in	IN
45179	320	19	Figs	Figs	NNP
45179	320	20	.	.	.
45179	321	1	15	15	CD
45179	321	2	and	and	CC
45179	321	3	16	16	CD
45179	321	4	,	,	,
45179	321	5	which	which	WDT
45179	321	6	is	be	VBZ
45179	321	7	an	an	DT
45179	321	8	equivalent	equivalent	NN
45179	321	9	of	of	IN
45179	321	10	that	that	DT
45179	321	11	shown	show	VBN
45179	321	12	in	in	IN
45179	321	13	Fig	Fig	NNP
45179	321	14	.	.	.
45179	322	1	14	14	CD
45179	322	2	,	,	,
45179	322	3	used	use	VBN
45179	322	4	by	by	IN
45179	322	5	him	-PRON-	PRP
45179	322	6	in	in	IN
45179	322	7	1876	1876	CD
45179	322	8	.	.	.
45179	323	1	Mr.	Mr.	NNP
45179	323	2	Robinson	Robinson	NNP
45179	323	3	claimed	claim	VBD
45179	323	4	the	the	DT
45179	323	5	bond	bond	NN
45179	323	6	wire	wire	NN
45179	323	7	broadly	broadly	RB
45179	323	8	in	in	IN
45179	323	9	this	this	DT
45179	323	10	British	british	JJ
45179	323	11	patent	patent	NN
45179	323	12	,	,	,
45179	323	13	in	in	IN
45179	323	14	the	the	DT
45179	323	15	following	following	JJ
45179	323	16	claims	claim	NNS
45179	323	17	:	:	:
45179	323	18	10	10	CD
45179	323	19	.	.	.
45179	324	1	"	"	``
45179	324	2	The	the	DT
45179	324	3	wire	wire	NN
45179	324	4	A^3	A^3	NNP
45179	324	5	in	in	IN
45179	324	6	combination	combination	NN
45179	324	7	with	with	IN
45179	324	8	the	the	DT
45179	324	9	rails	rail	NNS
45179	324	10	B^3	B^3	NNP
45179	324	11	,	,	,
45179	324	12	B^3	B^3	NNP
45179	324	13	,	,	,
45179	324	14	and	and	CC
45179	324	15	securely	securely	RB
45179	324	16	fastened	fasten	VBN
45179	324	17	thereto	thereto	NN
45179	324	18	,	,	,
45179	324	19	for	for	IN
45179	324	20	the	the	DT
45179	324	21	purpose	purpose	NN
45179	324	22	described	describe	VBN
45179	324	23	.	.	.
45179	325	1	11	11	CD
45179	325	2	.	.	.
45179	326	1	"	"	``
45179	326	2	In	in	IN
45179	326	3	combination	combination	NN
45179	326	4	the	the	DT
45179	326	5	wire	wire	NN
45179	326	6	A^3	A^3	NNP
45179	326	7	,	,	,
45179	326	8	the	the	DT
45179	326	9	rails	rail	NNS
45179	326	10	B^3	B^3	NNP
45179	326	11	,	,	,
45179	326	12	B^3	B^3	NNP
45179	326	13	,	,	,
45179	326	14	and	and	CC
45179	326	15	the	the	DT
45179	326	16	rivets	rivet	NNS
45179	326	17	_	_	NNP
45179	326	18	a_^3	a_^3	NNP
45179	326	19	,	,	,
45179	326	20	_	_	NNP
45179	326	21	a_^3	a_^3	NNP
45179	326	22	,	,	,
45179	326	23	the	the	DT
45179	326	24	whole	whole	NN
45179	326	25	arranged	arrange	VBD
45179	326	26	substantially	substantially	RB
45179	326	27	as	as	IN
45179	326	28	described	describe	VBN
45179	326	29	for	for	IN
45179	326	30	the	the	DT
45179	326	31	purpose	purpose	NN
45179	326	32	of	of	IN
45179	326	33	securing	secure	VBG
45179	326	34	electrical	electrical	JJ
45179	326	35	continuity	continuity	NN
45179	326	36	between	between	IN
45179	326	37	said	say	VBD
45179	326	38	rails	rail	NNS
45179	326	39	.	.	.
45179	326	40	"	"	''
45179	327	1	The	the	DT
45179	327	2	above	above	JJ
45179	327	3	is	be	VBZ
45179	327	4	believed	believe	VBN
45179	327	5	to	to	TO
45179	327	6	be	be	VB
45179	327	7	the	the	DT
45179	327	8	first	first	JJ
45179	327	9	disclosure	disclosure	NN
45179	327	10	of	of	IN
45179	327	11	means	mean	NNS
45179	327	12	for	for	IN
45179	327	13	electrically	electrically	RB
45179	327	14	connecting	connect	VBG
45179	327	15	rails	rail	NNS
45179	327	16	by	by	IN
45179	327	17	a	a	DT
45179	327	18	bond	bond	NN
45179	327	19	wire	wire	NN
45179	327	20	in	in	IN
45179	327	21	any	any	DT
45179	327	22	patent	patent	NN
45179	327	23	,	,	,
45179	327	24	although	although	IN
45179	327	25	Robinson	Robinson	NNP
45179	327	26	had	have	VBD
45179	327	27	disclosed	disclose	VBN
45179	327	28	it	-PRON-	PRP
45179	327	29	to	to	IN
45179	327	30	various	various	JJ
45179	327	31	parties	party	NNS
45179	327	32	,	,	,
45179	327	33	and	and	CC
45179	327	34	used	use	VBD
45179	327	35	it	-PRON-	PRP
45179	327	36	on	on	IN
45179	327	37	installations	installation	NNS
45179	327	38	years	year	NNS
45179	327	39	before	before	RB
45179	327	40	.	.	.
45179	328	1	On	on	IN
45179	328	2	the	the	DT
45179	328	3	subject	subject	NN
45179	328	4	of	of	IN
45179	328	5	rail	rail	NN
45179	328	6	bonding	bond	VBG
45179	328	7	the	the	DT
45179	328	8	following	following	JJ
45179	328	9	bit	bit	NN
45179	328	10	of	of	IN
45179	328	11	evidence	evidence	NN
45179	328	12	may	may	MD
45179	328	13	be	be	VB
45179	328	14	of	of	IN
45179	328	15	interest	interest	NN
45179	328	16	:	:	:
45179	328	17	In	in	IN
45179	328	18	a	a	DT
45179	328	19	letter	letter	NN
45179	328	20	dated	date	VBN
45179	328	21	Baltimore	Baltimore	NNP
45179	328	22	,	,	,
45179	328	23	October	October	NNP
45179	328	24	29	29	CD
45179	328	25	,	,	,
45179	328	26	1874	1874	CD
45179	328	27	,	,	,
45179	328	28	addressed	address	VBD
45179	328	29	to	to	IN
45179	328	30	Mr.	Mr.	NNP
45179	328	31	Robinson	Robinson	NNP
45179	328	32	by	by	IN
45179	328	33	Mr.	Mr.	NNP
45179	328	34	J.	J.	NNP
45179	328	35	H.	H.	NNP
45179	328	36	C.	C.	NNP
45179	328	37	Watts	Watts	NNP
45179	328	38	,	,	,
45179	328	39	of	of	IN
45179	328	40	Watts	Watts	NNP
45179	328	41	&	&	CC
45179	328	42	Co.	Co.	NNP
45179	328	43	,	,	,
45179	328	44	manufacturers	manufacturer	NNS
45179	328	45	of	of	IN
45179	328	46	Robinson	Robinson	NNP
45179	328	47	's	's	POS
45179	328	48	signal	signal	JJ
45179	328	49	apparatus	apparatus	NN
45179	328	50	,	,	,
45179	328	51	he	-PRON-	PRP
45179	328	52	says	say	VBZ
45179	328	53	:	:	:
45179	328	54	"	"	``
45179	328	55	Am	am	VB
45179	328	56	afraid	afraid	JJ
45179	328	57	your	-PRON-	PRP$
45179	328	58	idea	idea	NN
45179	328	59	of	of	IN
45179	328	60	soldering	solder	VBG
45179	328	61	a	a	DT
45179	328	62	strip	strip	NN
45179	328	63	of	of	IN
45179	328	64	copper	copper	NN
45179	328	65	to	to	IN
45179	328	66	the	the	DT
45179	328	67	rails	rail	NNS
45179	328	68	will	will	MD
45179	328	69	prove	prove	VB
45179	328	70	very	very	RB
45179	328	71	troublesome	troublesome	JJ
45179	328	72	in	in	IN
45179	328	73	carrying	carry	VBG
45179	328	74	out	out	RP
45179	328	75	,	,	,
45179	328	76	as	as	IN
45179	328	77	it	-PRON-	PRP
45179	328	78	is	be	VBZ
45179	328	79	a	a	DT
45179	328	80	most	most	RBS
45179	328	81	difficult	difficult	JJ
45179	328	82	matter	matter	NN
45179	328	83	to	to	TO
45179	328	84	heat	heat	VB
45179	328	85	so	so	RB
45179	328	86	large	large	VB
45179	328	87	a	a	DT
45179	328	88	body	body	NN
45179	328	89	of	of	IN
45179	328	90	iron	iron	NN
45179	328	91	sufficiently	sufficiently	RB
45179	328	92	to	to	TO
45179	328	93	make	make	VB
45179	328	94	a	a	DT
45179	328	95	_	_	NNP
45179	328	96	sure	sure	JJ
45179	328	97	_	_	NNP
45179	328	98	joint	joint	NN
45179	328	99	such	such	JJ
45179	328	100	as	as	IN
45179	328	101	you	-PRON-	PRP
45179	328	102	require	require	VBP
45179	328	103	,	,	,
45179	328	104	or	or	CC
45179	328	105	that	that	DT
45179	328	106	will	will	MD
45179	328	107	stand	stand	VB
45179	328	108	the	the	DT
45179	328	109	jarring	jarring	NN
45179	328	110	of	of	IN
45179	328	111	passing	pass	VBG
45179	328	112	trains	train	NNS
45179	328	113	,	,	,
45179	328	114	&	&	CC
45179	328	115	c.	c.	NNP
45179	328	116	,	,	,
45179	328	117	to	to	TO
45179	328	118	say	say	VB
45179	328	119	nothing	nothing	NN
45179	328	120	of	of	IN
45179	328	121	sneak	sneak	NN
45179	328	122	thieves	thief	NNS
45179	328	123	who	who	WP
45179	328	124	abound	abound	VBP
45179	328	125	wherever	wherever	WRB
45179	328	126	copper	copper	NN
45179	328	127	is	be	VBZ
45179	328	128	lying	lie	VBG
45179	328	129	around	around	IN
45179	328	130	loose	loose	JJ
45179	328	131	.	.	.
45179	329	1	I	-PRON-	PRP
45179	329	2	know	know	VBP
45179	329	3	however	however	RB
45179	329	4	you	-PRON-	PRP
45179	329	5	scoff	scoff	VBP
45179	329	6	at	at	IN
45179	329	7	_	_	NNP
45179	329	8	theory	theory	NN
45179	329	9	_	_	NNP
45179	329	10	so	so	RB
45179	329	11	will	will	MD
45179	329	12	'	'	''
45179	329	13	dry	dry	VB
45179	329	14	up	up	RP
45179	329	15	.	.	.
45179	329	16	'	'	''
45179	329	17	"	"	''
45179	330	1	The	the	DT
45179	330	2	electric	electric	JJ
45179	330	3	dynamo	dynamo	NN
45179	330	4	of	of	IN
45179	330	5	today	today	NN
45179	330	6	has	have	VBZ
45179	330	7	removed	remove	VBN
45179	330	8	the	the	DT
45179	330	9	above	above	RB
45179	330	10	pointed	point	VBN
45179	330	11	out	out	RP
45179	330	12	difficulty	difficulty	NN
45179	330	13	.	.	.
45179	331	1	Bond	bond	NN
45179	331	2	wires	wire	NNS
45179	331	3	or	or	CC
45179	331	4	strips	strip	NNS
45179	331	5	are	be	VBP
45179	331	6	now	now	RB
45179	331	7	welded	weld	VBN
45179	331	8	to	to	IN
45179	331	9	the	the	DT
45179	331	10	adjacent	adjacent	JJ
45179	331	11	rails	rail	NNS
45179	331	12	for	for	IN
45179	331	13	the	the	DT
45179	331	14	purpose	purpose	NN
45179	331	15	of	of	IN
45179	331	16	securing	secure	VBG
45179	331	17	reliable	reliable	JJ
45179	331	18	electrical	electrical	JJ
45179	331	19	connection	connection	NN
45179	331	20	between	between	IN
45179	331	21	them	-PRON-	PRP
45179	331	22	.	.	.
45179	332	1	Welding	welding	NN
45179	332	2	is	be	VBZ
45179	332	3	soldering	soldering	JJ
45179	332	4	,	,	,
45179	332	5	according	accord	VBG
45179	332	6	to	to	IN
45179	332	7	the	the	DT
45179	332	8	definition	definition	NN
45179	332	9	of	of	IN
45179	332	10	the	the	DT
45179	332	11	term	term	NN
45179	332	12	.	.	.
45179	333	1	Thus	thus	RB
45179	333	2	,	,	,
45179	333	3	the	the	DT
45179	333	4	Encyclopedic	encyclopedic	JJ
45179	333	5	dictionary	dictionary	NN
45179	333	6	gives	give	VBZ
45179	333	7	the	the	DT
45179	333	8	definition	definition	NN
45179	333	9	:	:	:
45179	333	10	Solder	solder	NN
45179	333	11	:	:	:
45179	333	12	"	"	``
45179	333	13	To	to	TO
45179	333	14	unite	unite	VB
45179	333	15	or	or	CC
45179	333	16	cement	cement	VB
45179	333	17	together	together	RB
45179	333	18	in	in	IN
45179	333	19	any	any	DT
45179	333	20	way	way	NN
45179	333	21	.	.	.
45179	334	1	*	*	NFP
45179	334	2	*	*	NFP
45179	334	3	*	*	NFP
45179	334	4	In	in	IN
45179	334	5	autogenous	autogenous	JJ
45179	334	6	soldering	soldering	NN
45179	334	7	the	the	DT
45179	334	8	two	two	CD
45179	334	9	pieces	piece	NNS
45179	334	10	are	be	VBP
45179	334	11	directly	directly	RB
45179	334	12	united	unite	VBN
45179	334	13	by	by	IN
45179	334	14	the	the	DT
45179	334	15	partial	partial	JJ
45179	334	16	fusion	fusion	NN
45179	334	17	of	of	IN
45179	334	18	their	-PRON-	PRP$
45179	334	19	contiguous	contiguous	JJ
45179	334	20	surfaces	surface	NNS
45179	334	21	.	.	.
45179	334	22	"	"	''
45179	335	1	Thus	thus	RB
45179	335	2	,	,	,
45179	335	3	more	more	JJR
45179	335	4	than	than	IN
45179	335	5	thirty	thirty	CD
45179	335	6	years	year	NNS
45179	335	7	ago	ago	RB
45179	335	8	Robinson	Robinson	NNP
45179	335	9	proposed	propose	VBD
45179	335	10	to	to	TO
45179	335	11	solder	solder	VB
45179	335	12	bond	bond	NN
45179	335	13	wires	wire	NNS
45179	335	14	or	or	CC
45179	335	15	strips	strip	NNS
45179	335	16	to	to	IN
45179	335	17	the	the	DT
45179	335	18	rails	rail	NNS
45179	335	19	for	for	IN
45179	335	20	the	the	DT
45179	335	21	purpose	purpose	NN
45179	335	22	of	of	IN
45179	335	23	securing	secure	VBG
45179	335	24	good	good	JJ
45179	335	25	electrical	electrical	JJ
45179	335	26	continuity	continuity	NN
45179	335	27	between	between	IN
45179	335	28	the	the	DT
45179	335	29	same	same	JJ
45179	335	30	.	.	.
45179	336	1	But	but	CC
45179	336	2	it	-PRON-	PRP
45179	336	3	became	become	VBD
45179	336	4	necessary	necessary	JJ
45179	336	5	to	to	TO
45179	336	6	wait	wait	VB
45179	336	7	some	some	DT
45179	336	8	twenty	twenty	CD
45179	336	9	years	year	NNS
45179	336	10	for	for	IN
45179	336	11	the	the	DT
45179	336	12	development	development	NN
45179	336	13	of	of	IN
45179	336	14	a	a	DT
45179	336	15	commercially	commercially	RB
45179	336	16	practical	practical	JJ
45179	336	17	process	process	NN
45179	336	18	for	for	IN
45179	336	19	accomplishing	accomplish	VBG
45179	336	20	this	this	DT
45179	336	21	result	result	NN
45179	336	22	.	.	.
45179	337	1	This	this	DT
45179	337	2	is	be	VBZ
45179	337	3	found	find	VBN
45179	337	4	in	in	IN
45179	337	5	the	the	DT
45179	337	6	modern	modern	JJ
45179	337	7	electric	electric	JJ
45179	337	8	welding	welding	NN
45179	337	9	process	process	NN
45179	337	10	.	.	.
45179	338	1	Robinson	Robinson	NNP
45179	338	2	's	's	POS
45179	338	3	object	object	NN
45179	338	4	was	be	VBD
45179	338	5	to	to	TO
45179	338	6	secure	secure	VB
45179	338	7	a	a	DT
45179	338	8	perfectly	perfectly	RB
45179	338	9	homogeneous	homogeneous	JJ
45179	338	10	joint	joint	NN
45179	338	11	or	or	CC
45179	338	12	connection	connection	NN
45179	338	13	between	between	IN
45179	338	14	the	the	DT
45179	338	15	bond	bond	NN
45179	338	16	and	and	CC
45179	338	17	the	the	DT
45179	338	18	rail	rail	NN
45179	338	19	.	.	.
45179	339	1	His	-PRON-	PRP$
45179	339	2	invention	invention	NN
45179	339	3	,	,	,
45179	339	4	in	in	IN
45179	339	5	this	this	DT
45179	339	6	connection	connection	NN
45179	339	7	,	,	,
45179	339	8	consisted	consist	VBD
45179	339	9	in	in	IN
45179	339	10	a	a	DT
45179	339	11	metallic	metallic	JJ
45179	339	12	bond	bond	NN
45179	339	13	arranged	arrange	VBN
45179	339	14	for	for	IN
45179	339	15	electrically	electrically	RB
45179	339	16	connecting	connect	VBG
45179	339	17	adjacent	adjacent	JJ
45179	339	18	rails	rail	NNS
45179	339	19	of	of	IN
45179	339	20	the	the	DT
45179	339	21	track	track	NN
45179	339	22	and	and	CC
45179	339	23	means	mean	VBZ
45179	339	24	for	for	IN
45179	339	25	forming	form	VBG
45179	339	26	a	a	DT
45179	339	27	homogeneous	homogeneous	JJ
45179	339	28	connection	connection	NN
45179	339	29	between	between	IN
45179	339	30	the	the	DT
45179	339	31	bond	bond	NN
45179	339	32	and	and	CC
45179	339	33	the	the	DT
45179	339	34	rails	rail	NNS
45179	339	35	.	.	.
45179	340	1	This	this	DT
45179	340	2	embraces	embrace	VBZ
45179	340	3	any	any	DT
45179	340	4	mode	mode	NN
45179	340	5	of	of	IN
45179	340	6	accomplishing	accomplish	VBG
45179	340	7	that	that	DT
45179	340	8	result	result	NN
45179	340	9	.	.	.
45179	341	1	Robinson	Robinson	NNP
45179	341	2	had	have	VBD
45179	341	3	simply	simply	RB
45179	341	4	anticipated	anticipate	VBN
45179	341	5	the	the	DT
45179	341	6	electric	electric	JJ
45179	341	7	process	process	NN
45179	341	8	by	by	IN
45179	341	9	some	some	DT
45179	341	10	twenty	twenty	CD
45179	341	11	years	year	NNS
45179	341	12	,	,	,
45179	341	13	but	but	CC
45179	341	14	that	that	DT
45179	341	15	process	process	NN
45179	341	16	now	now	RB
45179	341	17	accomplishes	accomplish	VBZ
45179	341	18	the	the	DT
45179	341	19	result	result	NN
45179	341	20	in	in	IN
45179	341	21	a	a	DT
45179	341	22	simple	simple	JJ
45179	341	23	manner	manner	NN
45179	341	24	impossible	impossible	JJ
45179	341	25	thirty	thirty	CD
45179	341	26	years	year	NNS
45179	341	27	ago	ago	RB
45179	341	28	.	.	.
45179	342	1	The	the	DT
45179	342	2	splice	splice	NN
45179	342	3	bars	bar	NNS
45179	342	4	now	now	RB
45179	342	5	welded	weld	VBN
45179	342	6	to	to	IN
45179	342	7	opposite	opposite	JJ
45179	342	8	sides	side	NNS
45179	342	9	of	of	IN
45179	342	10	street	street	NN
45179	342	11	rails	rail	NNS
45179	342	12	in	in	IN
45179	342	13	many	many	JJ
45179	342	14	places	place	NNS
45179	342	15	are	be	VBP
45179	342	16	used	use	VBN
45179	342	17	primarily	primarily	RB
45179	342	18	for	for	IN
45179	342	19	the	the	DT
45179	342	20	purpose	purpose	NN
45179	342	21	of	of	IN
45179	342	22	electrically	electrically	RB
45179	342	23	bonding	bond	VBG
45179	342	24	the	the	DT
45179	342	25	rails	rail	NNS
45179	342	26	;	;	:
45179	342	27	incidentally	incidentally	RB
45179	342	28	they	-PRON-	PRP
45179	342	29	serve	serve	VBP
45179	342	30	the	the	DT
45179	342	31	double	double	JJ
45179	342	32	purpose	purpose	NN
45179	342	33	of	of	IN
45179	342	34	also	also	RB
45179	342	35	making	make	VBG
45179	342	36	a	a	DT
45179	342	37	good	good	JJ
45179	342	38	joint	joint	NN
45179	342	39	mechanically	mechanically	RB
45179	342	40	.	.	.
45179	343	1	Every	every	DT
45179	343	2	electric	electric	JJ
45179	343	3	railroad	railroad	NN
45179	343	4	uses	use	VBZ
45179	343	5	the	the	DT
45179	343	6	bond	bond	NN
45179	343	7	wire	wire	NN
45179	343	8	or	or	CC
45179	343	9	plate	plate	NN
45179	343	10	in	in	IN
45179	343	11	some	some	DT
45179	343	12	form	form	NN
45179	343	13	,	,	,
45179	343	14	originally	originally	RB
45179	343	15	invented	invent	VBN
45179	343	16	and	and	CC
45179	343	17	used	use	VBN
45179	343	18	by	by	IN
45179	343	19	Robinson	Robinson	NNP
45179	343	20	,	,	,
45179	343	21	for	for	IN
45179	343	22	electrically	electrically	RB
45179	343	23	bonding	bond	VBG
45179	343	24	rails	rail	NNS
45179	343	25	together	together	RB
45179	343	26	.	.	.
45179	344	1	Thus	thus	RB
45179	344	2	,	,	,
45179	344	3	it	-PRON-	PRP
45179	344	4	is	be	VBZ
45179	344	5	clear	clear	JJ
45179	344	6	,	,	,
45179	344	7	this	this	DT
45179	344	8	simple	simple	JJ
45179	344	9	invention	invention	NN
45179	344	10	of	of	IN
45179	344	11	Robinson	Robinson	NNP
45179	344	12	made	make	VBD
45179	344	13	more	more	JJR
45179	344	14	than	than	IN
45179	344	15	thirty	thirty	CD
45179	344	16	years	year	NNS
45179	344	17	ago	ago	RB
45179	344	18	,	,	,
45179	344	19	an	an	DT
45179	344	20	outgrowth	outgrowth	NN
45179	344	21	of	of	IN
45179	344	22	his	-PRON-	PRP$
45179	344	23	original	original	JJ
45179	344	24	creation	creation	NN
45179	344	25	of	of	IN
45179	344	26	the	the	DT
45179	344	27	closed	close	VBN
45179	344	28	rail	rail	NN
45179	344	29	circuit	circuit	NN
45179	344	30	system	system	NN
45179	344	31	,	,	,
45179	344	32	has	have	VBZ
45179	344	33	made	make	VBN
45179	344	34	possible	possible	JJ
45179	344	35	the	the	DT
45179	344	36	electric	electric	JJ
45179	344	37	railroading	railroading	NN
45179	344	38	of	of	IN
45179	344	39	today	today	NN
45179	344	40	,	,	,
45179	344	41	and	and	CC
45179	344	42	the	the	DT
45179	344	43	method	method	NN
45179	344	44	of	of	IN
45179	344	45	rail	rail	NN
45179	344	46	-	-	HYPH
45179	344	47	bonding	bonding	NN
45179	344	48	is	be	VBZ
45179	344	49	now	now	RB
45179	344	50	used	use	VBN
45179	344	51	on	on	IN
45179	344	52	every	every	DT
45179	344	53	electric	electric	JJ
45179	344	54	railway	railway	NN
45179	344	55	using	use	VBG
45179	344	56	a	a	DT
45179	344	57	rail	rail	NN
45179	344	58	return	return	NN
45179	344	59	,	,	,
45179	344	60	throughout	throughout	IN
45179	344	61	the	the	DT
45179	344	62	world	world	NN
45179	344	63	.	.	.
45179	345	1	[	[	-LRB-
45179	345	2	Illustration	illustration	NN
45179	345	3	:	:	:
45179	345	4	ROBINSON	robinson	NN
45179	345	5	'S	's	NN
45179	345	6	LATEST	latest	NN
45179	345	7	ELECTRIC	ELECTRIC	NNS
45179	345	8	SIGNALING	signal	VBG
45179	345	9	APPARATUS	APPARATUS	NNP
45179	345	10	.	.	.
45179	346	1	Fig	fig	NN
45179	346	2	.	.	.
45179	347	1	17	17	CD
45179	347	2	.	.	.
45179	348	1	Rings	ring	NNS
45179	348	2	a	a	DT
45179	348	3	Bell	Bell	NNP
45179	348	4	on	on	IN
45179	348	5	the	the	DT
45179	348	6	Engine	engine	NN
45179	348	7	when	when	WRB
45179	348	8	Track	Track	NNP
45179	348	9	ahead	ahead	RB
45179	348	10	is	be	VBZ
45179	348	11	all	all	DT
45179	348	12	Clear	clear	JJ
45179	348	13	.	.	.
45179	348	14	]	]	-RRB-
45179	349	1	Figure	figure	NN
45179	349	2	17	17	CD
45179	349	3	is	be	VBZ
45179	349	4	a	a	DT
45179	349	5	reproduction	reproduction	NN
45179	349	6	from	from	IN
45179	349	7	a	a	DT
45179	349	8	postal	postal	JJ
45179	349	9	card	card	NN
45179	349	10	dated	date	VBN
45179	349	11	September	September	NNP
45179	349	12	,	,	,
45179	349	13	1875	1875	CD
45179	349	14	,	,	,
45179	349	15	and	and	CC
45179	349	16	issued	issue	VBN
45179	349	17	at	at	IN
45179	349	18	that	that	DT
45179	349	19	time	time	NN
45179	349	20	.	.	.
45179	350	1	It	-PRON-	PRP
45179	350	2	illustrates	illustrate	VBZ
45179	350	3	means	mean	VBZ
45179	350	4	for	for	IN
45179	350	5	operating	operate	VBG
45179	350	6	a	a	DT
45179	350	7	positive	positive	JJ
45179	350	8	safety	safety	NN
45179	350	9	signal	signal	NN
45179	350	10	in	in	IN
45179	350	11	the	the	DT
45179	350	12	cab	cab	NN
45179	350	13	of	of	IN
45179	350	14	a	a	DT
45179	350	15	locomotive	locomotive	JJ
45179	350	16	when	when	WRB
45179	350	17	the	the	DT
45179	350	18	track	track	NN
45179	350	19	ahead	ahead	RB
45179	350	20	is	be	VBZ
45179	350	21	clear	clear	JJ
45179	350	22	and	and	CC
45179	350	23	safe	safe	JJ
45179	350	24	,	,	,
45179	350	25	the	the	DT
45179	350	26	operative	operative	JJ
45179	350	27	current	current	JJ
45179	350	28	passing	pass	VBG
45179	350	29	through	through	IN
45179	350	30	the	the	DT
45179	350	31	rails	rail	NNS
45179	350	32	from	from	IN
45179	350	33	the	the	DT
45179	350	34	distant	distant	JJ
45179	350	35	end	end	NN
45179	350	36	of	of	IN
45179	350	37	the	the	DT
45179	350	38	track	track	NN
45179	350	39	section	section	NN
45179	350	40	upon	upon	IN
45179	350	41	which	which	WDT
45179	350	42	the	the	DT
45179	350	43	train	train	NN
45179	350	44	is	be	VBZ
45179	350	45	entering	enter	VBG
45179	350	46	.	.	.
45179	351	1	This	this	DT
45179	351	2	system	system	NN
45179	351	3	is	be	VBZ
45179	351	4	elaborated	elaborate	VBN
45179	351	5	in	in	IN
45179	351	6	Robinson	Robinson	NNP
45179	351	7	's	's	POS
45179	351	8	British	british	JJ
45179	351	9	patent	patent	NN
45179	351	10	of	of	IN
45179	351	11	August	August	NNP
45179	351	12	29	29	CD
45179	351	13	,	,	,
45179	351	14	1879	1879	CD
45179	351	15	,	,	,
45179	351	16	where	where	WRB
45179	351	17	it	-PRON-	PRP
45179	351	18	is	be	VBZ
45179	351	19	shown	show	VBN
45179	351	20	operatively	operatively	RB
45179	351	21	applied	apply	VBN
45179	351	22	to	to	IN
45179	351	23	a	a	DT
45179	351	24	single	single	JJ
45179	351	25	track	track	NN
45179	351	26	in	in	IN
45179	351	27	such	such	PDT
45179	351	28	a	a	DT
45179	351	29	manner	manner	NN
45179	351	30	as	as	IN
45179	351	31	to	to	TO
45179	351	32	operate	operate	VB
45179	351	33	a	a	DT
45179	351	34	signal	signal	NN
45179	351	35	on	on	IN
45179	351	36	a	a	DT
45179	351	37	locomotive	locomotive	JJ
45179	351	38	approaching	approach	VBG
45179	351	39	from	from	IN
45179	351	40	either	either	DT
45179	351	41	direction	direction	NN
45179	351	42	,	,	,
45179	351	43	the	the	DT
45179	351	44	operative	operative	JJ
45179	351	45	current	current	NN
45179	351	46	coming	come	VBG
45179	351	47	from	from	IN
45179	351	48	the	the	DT
45179	351	49	opposite	opposite	JJ
45179	351	50	end	end	NN
45179	351	51	of	of	IN
45179	351	52	the	the	DT
45179	351	53	section	section	NN
45179	351	54	--	--	:
45179	351	55	no	no	DT
45179	351	56	line	line	NN
45179	351	57	wires	wire	NNS
45179	351	58	being	be	VBG
45179	351	59	used	use	VBN
45179	351	60	.	.	.
45179	352	1	It	-PRON-	PRP
45179	352	2	is	be	VBZ
45179	352	3	not	not	RB
45179	352	4	thought	think	VBN
45179	352	5	necessary	necessary	JJ
45179	352	6	,	,	,
45179	352	7	therefore	therefore	RB
45179	352	8	,	,	,
45179	352	9	to	to	IN
45179	352	10	more	more	RBR
45179	352	11	fully	fully	RB
45179	352	12	describe	describe	VB
45179	352	13	the	the	DT
45179	352	14	system	system	NN
45179	352	15	here	here	RB
45179	352	16	.	.	.
45179	353	1	In	in	IN
45179	353	2	General	General	NNP
45179	353	3	The	the	DT
45179	353	4	scriptural	scriptural	JJ
45179	353	5	injunction	injunction	NN
45179	353	6	,	,	,
45179	353	7	"	"	``
45179	353	8	Prove	prove	VB
45179	353	9	all	all	DT
45179	353	10	things	thing	NNS
45179	353	11	,	,	,
45179	353	12	hold	hold	VBP
45179	353	13	fast	fast	JJ
45179	353	14	that	that	IN
45179	353	15	which	which	WDT
45179	353	16	is	be	VBZ
45179	353	17	good	good	JJ
45179	353	18	,	,	,
45179	353	19	"	"	''
45179	353	20	is	be	VBZ
45179	353	21	the	the	DT
45179	353	22	key	key	JJ
45179	353	23	note	note	NN
45179	353	24	of	of	IN
45179	353	25	scientific	scientific	JJ
45179	353	26	progress	progress	NN
45179	353	27	.	.	.
45179	354	1	He	-PRON-	PRP
45179	354	2	who	who	WP
45179	354	3	would	would	MD
45179	354	4	discover	discover	VB
45179	354	5	truth	truth	NN
45179	354	6	must	must	MD
45179	354	7	not	not	RB
45179	354	8	accept	accept	VB
45179	354	9	anything	anything	NN
45179	354	10	_	_	NNP
45179	354	11	because	because	IN
45179	354	12	_	_	NNP
45179	354	13	it	-PRON-	PRP
45179	354	14	is	be	VBZ
45179	354	15	popularly	popularly	RB
45179	354	16	accepted	accept	VBN
45179	354	17	,	,	,
45179	354	18	or	or	CC
45179	354	19	reject	reject	VB
45179	354	20	anything	anything	NN
45179	354	21	_	_	NNP
45179	354	22	because	because	IN
45179	354	23	_	_	NNP
45179	354	24	it	-PRON-	PRP
45179	354	25	is	be	VBZ
45179	354	26	popularly	popularly	RB
45179	354	27	rejected	reject	VBN
45179	354	28	;	;	:
45179	354	29	nor	nor	CC
45179	354	30	must	must	MD
45179	354	31	he	-PRON-	PRP
45179	354	32	regard	regard	VB
45179	354	33	anything	anything	NN
45179	354	34	as	as	IN
45179	354	35	impossible	impossible	JJ
45179	354	36	_	_	NNP
45179	354	37	because	because	IN
45179	354	38	_	_	NNP
45179	354	39	never	never	RB
45179	354	40	heretofore	heretofore	RB
45179	354	41	accomplished	accomplish	VBN
45179	354	42	,	,	,
45179	354	43	although	although	IN
45179	354	44	perhaps	perhaps	RB
45179	354	45	attempted	attempt	VBN
45179	354	46	by	by	IN
45179	354	47	the	the	DT
45179	354	48	most	most	RBS
45179	354	49	able	able	JJ
45179	354	50	scientists	scientist	NNS
45179	354	51	.	.	.
45179	355	1	While	while	IN
45179	355	2	giving	give	VBG
45179	355	3	full	full	JJ
45179	355	4	weight	weight	NN
45179	355	5	to	to	IN
45179	355	6	principles	principle	NNS
45179	355	7	and	and	CC
45179	355	8	laws	law	NNS
45179	355	9	demonstrated	demonstrate	VBD
45179	355	10	and	and	CC
45179	355	11	verified	verify	VBN
45179	355	12	by	by	IN
45179	355	13	original	original	JJ
45179	355	14	investigations	investigation	NNS
45179	355	15	,	,	,
45179	355	16	he	-PRON-	PRP
45179	355	17	must	must	MD
45179	355	18	bear	bear	VB
45179	355	19	in	in	IN
45179	355	20	mind	mind	NN
45179	355	21	that	that	IN
45179	355	22	those	those	DT
45179	355	23	principles	principle	NNS
45179	355	24	and	and	CC
45179	355	25	laws	law	NNS
45179	355	26	may	may	MD
45179	355	27	be	be	VB
45179	355	28	capable	capable	JJ
45179	355	29	of	of	IN
45179	355	30	various	various	JJ
45179	355	31	combinations	combination	NNS
45179	355	32	and	and	CC
45179	355	33	interpretations	interpretation	NNS
45179	355	34	;	;	:
45179	355	35	that	that	IN
45179	355	36	the	the	DT
45179	355	37	popular	popular	JJ
45179	355	38	interpretation	interpretation	NN
45179	355	39	may	may	MD
45179	355	40	not	not	RB
45179	355	41	be	be	VB
45179	355	42	capable	capable	JJ
45179	355	43	of	of	IN
45179	355	44	general	general	JJ
45179	355	45	application	application	NN
45179	355	46	,	,	,
45179	355	47	and	and	CC
45179	355	48	if	if	IN
45179	355	49	not	not	RB
45179	355	50	,	,	,
45179	355	51	it	-PRON-	PRP
45179	355	52	must	must	MD
45179	355	53	be	be	VB
45179	355	54	erroneous	erroneous	JJ
45179	355	55	.	.	.
45179	356	1	In	in	IN
45179	356	2	short	short	JJ
45179	356	3	,	,	,
45179	356	4	he	-PRON-	PRP
45179	356	5	must	must	MD
45179	356	6	enter	enter	VB
45179	356	7	upon	upon	IN
45179	356	8	his	-PRON-	PRP$
45179	356	9	investigations	investigation	NNS
45179	356	10	systematically	systematically	RB
45179	356	11	,	,	,
45179	356	12	independently	independently	RB
45179	356	13	and	and	CC
45179	356	14	untrammeled	untrammele	VBN
45179	356	15	by	by	IN
45179	356	16	prejudice	prejudice	NN
45179	356	17	.	.	.
45179	357	1	These	these	DT
45179	357	2	remarks	remark	NNS
45179	357	3	apply	apply	VBP
45179	357	4	to	to	IN
45179	357	5	electrical	electrical	JJ
45179	357	6	science	science	NN
45179	357	7	with	with	IN
45179	357	8	great	great	JJ
45179	357	9	force	force	NN
45179	357	10	at	at	IN
45179	357	11	the	the	DT
45179	357	12	present	present	JJ
45179	357	13	time	time	NN
45179	357	14	.	.	.
45179	358	1	Those	those	DT
45179	358	2	who	who	WP
45179	358	3	enter	enter	VBP
45179	358	4	this	this	DT
45179	358	5	field	field	NN
45179	358	6	to	to	IN
45179	358	7	advantage	advantage	NN
45179	358	8	should	should	MD
45179	358	9	be	be	VB
45179	358	10	men	man	NNS
45179	358	11	of	of	IN
45179	358	12	culture	culture	NN
45179	358	13	,	,	,
45179	358	14	of	of	IN
45179	358	15	theoretical	theoretical	JJ
45179	358	16	knowledge	knowledge	NN
45179	358	17	,	,	,
45179	358	18	and	and	CC
45179	358	19	eminently	eminently	RB
45179	358	20	practical	practical	JJ
45179	358	21	.	.	.
45179	359	1	These	these	DT
45179	359	2	facts	fact	NNS
45179	359	3	are	be	VBP
45179	359	4	illustrated	illustrate	VBN
45179	359	5	by	by	IN
45179	359	6	the	the	DT
45179	359	7	efforts	effort	NNS
45179	359	8	heretofore	heretofore	RB
45179	359	9	put	put	VBN
45179	359	10	forth	forth	RP
45179	359	11	in	in	IN
45179	359	12	Europe	Europe	NNP
45179	359	13	and	and	CC
45179	359	14	the	the	DT
45179	359	15	United	United	NNP
45179	359	16	States	States	NNP
45179	359	17	to	to	TO
45179	359	18	develop	develop	VB
45179	359	19	systems	system	NNS
45179	359	20	of	of	IN
45179	359	21	rail	rail	NN
45179	359	22	signaling	signaling	NN
45179	359	23	.	.	.
45179	360	1	Such	such	JJ
45179	360	2	efforts	effort	NNS
45179	360	3	,	,	,
45179	360	4	in	in	IN
45179	360	5	the	the	DT
45179	360	6	early	early	JJ
45179	360	7	days	day	NNS
45179	360	8	,	,	,
45179	360	9	appear	appear	VBP
45179	360	10	to	to	TO
45179	360	11	have	have	VB
45179	360	12	been	be	VBN
45179	360	13	exerted	exert	VBN
45179	360	14	principally	principally	RB
45179	360	15	by	by	IN
45179	360	16	theorists	theorist	NNS
45179	360	17	whose	whose	WP$
45179	360	18	propositions	proposition	NNS
45179	360	19	and	and	CC
45179	360	20	complications	complication	NNS
45179	360	21	prove	prove	VBP
45179	360	22	them	-PRON-	PRP
45179	360	23	to	to	TO
45179	360	24	be	be	VB
45179	360	25	not	not	RB
45179	360	26	only	only	RB
45179	360	27	ignorant	ignorant	JJ
45179	360	28	of	of	IN
45179	360	29	some	some	DT
45179	360	30	of	of	IN
45179	360	31	the	the	DT
45179	360	32	fundamental	fundamental	JJ
45179	360	33	principles	principle	NNS
45179	360	34	of	of	IN
45179	360	35	electrical	electrical	JJ
45179	360	36	science	science	NN
45179	360	37	,	,	,
45179	360	38	but	but	CC
45179	360	39	also	also	RB
45179	360	40	,	,	,
45179	360	41	some	some	DT
45179	360	42	of	of	IN
45179	360	43	them	-PRON-	PRP
45179	360	44	,	,	,
45179	360	45	extremely	extremely	RB
45179	360	46	unpractical	unpractical	JJ
45179	360	47	.	.	.
45179	361	1	That	that	IN
45179	361	2	the	the	DT
45179	361	3	efforts	effort	NNS
45179	361	4	in	in	IN
45179	361	5	this	this	DT
45179	361	6	direction	direction	NN
45179	361	7	may	may	MD
45179	361	8	be	be	VB
45179	361	9	fairly	fairly	RB
45179	361	10	understood	understand	VBN
45179	361	11	we	-PRON-	PRP
45179	361	12	will	will	MD
45179	361	13	direct	direct	VB
45179	361	14	attention	attention	NN
45179	361	15	to	to	IN
45179	361	16	a	a	DT
45179	361	17	few	few	JJ
45179	361	18	of	of	IN
45179	361	19	the	the	DT
45179	361	20	systems	system	NNS
45179	361	21	of	of	IN
45179	361	22	rail	rail	NN
45179	361	23	signaling	signaling	NN
45179	361	24	proposed,--those	proposed,--those	NNP
45179	361	25	which	which	WDT
45179	361	26	have	have	VBP
45179	361	27	elicited	elicit	VBN
45179	361	28	most	most	JJS
45179	361	29	attention	attention	NN
45179	361	30	--	--	:
45179	361	31	giving	give	VBG
45179	361	32	outline	outline	NN
45179	361	33	illustrations	illustration	NNS
45179	361	34	of	of	IN
45179	361	35	some	some	DT
45179	361	36	of	of	IN
45179	361	37	the	the	DT
45179	361	38	circuits	circuit	NNS
45179	361	39	which	which	WDT
45179	361	40	form	form	VBP
45179	361	41	their	-PRON-	PRP$
45179	361	42	bases	basis	NNS
45179	361	43	,	,	,
45179	361	44	and	and	CC
45179	361	45	pointing	point	VBG
45179	361	46	out	out	RP
45179	361	47	their	-PRON-	PRP$
45179	361	48	defects	defect	NNS
45179	361	49	and	and	CC
45179	361	50	merits	merit	NNS
45179	361	51	.	.	.
45179	362	1	Early	Early	NNP
45179	362	2	Rail	Rail	NNP
45179	362	3	Systems	Systems	NNP
45179	362	4	So	so	RB
45179	362	5	far	far	RB
45179	362	6	as	as	IN
45179	362	7	we	-PRON-	PRP
45179	362	8	have	have	VBP
45179	362	9	knowledge	knowledge	NN
45179	362	10	,	,	,
45179	362	11	the	the	DT
45179	362	12	idea	idea	NN
45179	362	13	of	of	IN
45179	362	14	using	use	VBG
45179	362	15	the	the	DT
45179	362	16	rails	rail	NNS
45179	362	17	as	as	IN
45179	362	18	conductors	conductor	NNS
45179	362	19	for	for	IN
45179	362	20	electric	electric	JJ
45179	362	21	signaling	signaling	NN
45179	362	22	purposes	purpose	NNS
45179	362	23	was	be	VBD
45179	362	24	first	first	RB
45179	362	25	suggested	suggest	VBN
45179	362	26	in	in	IN
45179	362	27	an	an	DT
45179	362	28	English	english	JJ
45179	362	29	patent	patent	NN
45179	362	30	of	of	IN
45179	362	31	1848	1848	CD
45179	362	32	.	.	.
45179	363	1	This	this	DT
45179	363	2	was	be	VBD
45179	363	3	merely	merely	RB
45179	363	4	a	a	DT
45179	363	5	suggestion	suggestion	NN
45179	363	6	,	,	,
45179	363	7	however	however	RB
45179	363	8	,	,	,
45179	363	9	and	and	CC
45179	363	10	no	no	DT
45179	363	11	attempt	attempt	NN
45179	363	12	was	be	VBD
45179	363	13	made	make	VBN
45179	363	14	to	to	TO
45179	363	15	describe	describe	VB
45179	363	16	any	any	DT
45179	363	17	specific	specific	JJ
45179	363	18	method	method	NN
45179	363	19	of	of	IN
45179	363	20	using	use	VBG
45179	363	21	the	the	DT
45179	363	22	rails	rail	NNS
45179	363	23	for	for	IN
45179	363	24	the	the	DT
45179	363	25	purpose	purpose	NN
45179	363	26	.	.	.
45179	364	1	In	in	IN
45179	364	2	1853	1853	CD
45179	364	3	,	,	,
45179	364	4	however	however	RB
45179	364	5	,	,	,
45179	364	6	an	an	DT
45179	364	7	English	english	JJ
45179	364	8	patent	patent	NN
45179	364	9	was	be	VBD
45179	364	10	granted	grant	VBN
45179	364	11	to	to	IN
45179	364	12	George	George	NNP
45179	364	13	Dugmore	Dugmore	NNP
45179	364	14	and	and	CC
45179	364	15	George	George	NNP
45179	364	16	Millward	Millward	NNP
45179	364	17	,	,	,
45179	364	18	in	in	IN
45179	364	19	which	which	WDT
45179	364	20	is	be	VBZ
45179	364	21	described	describe	VBN
45179	364	22	a	a	DT
45179	364	23	method	method	NN
45179	364	24	proposed	propose	VBN
45179	364	25	for	for	IN
45179	364	26	using	use	VBG
45179	364	27	the	the	DT
45179	364	28	rails	rail	NNS
45179	364	29	as	as	IN
45179	364	30	conductors	conductor	NNS
45179	364	31	.	.	.
45179	365	1	The	the	DT
45179	365	2	design	design	NN
45179	365	3	of	of	IN
45179	365	4	the	the	DT
45179	365	5	invention	invention	NN
45179	365	6	is	be	VBZ
45179	365	7	to	to	TO
45179	365	8	communicate	communicate	VB
45179	365	9	between	between	IN
45179	365	10	trains	train	NNS
45179	365	11	on	on	IN
45179	365	12	the	the	DT
45179	365	13	same	same	JJ
45179	365	14	line	line	NN
45179	365	15	,	,	,
45179	365	16	and	and	CC
45179	365	17	between	between	IN
45179	365	18	trains	train	NNS
45179	365	19	and	and	CC
45179	365	20	stations	station	NNS
45179	365	21	,	,	,
45179	365	22	for	for	IN
45179	365	23	which	which	WDT
45179	365	24	purpose	purpose	NN
45179	365	25	it	-PRON-	PRP
45179	365	26	is	be	VBZ
45179	365	27	proposed	propose	VBN
45179	365	28	to	to	TO
45179	365	29	use	use	VB
45179	365	30	long	long	JJ
45179	365	31	sections	section	NNS
45179	365	32	of	of	IN
45179	365	33	rails	rail	NNS
45179	365	34	.	.	.
45179	366	1	The	the	DT
45179	366	2	unpractical	unpractical	JJ
45179	366	3	part	part	NN
45179	366	4	of	of	IN
45179	366	5	this	this	DT
45179	366	6	system	system	NN
45179	366	7	is	be	VBZ
45179	366	8	that	that	DT
45179	366	9	to	to	TO
45179	366	10	make	make	VB
45179	366	11	it	-PRON-	PRP
45179	366	12	operate	operate	VB
45179	366	13	it	-PRON-	PRP
45179	366	14	is	be	VBZ
45179	366	15	necessary	necessary	JJ
45179	366	16	,	,	,
45179	366	17	as	as	IN
45179	366	18	the	the	DT
45179	366	19	inventors	inventor	NNS
45179	366	20	say	say	VBP
45179	366	21	,	,	,
45179	366	22	to	to	TO
45179	366	23	insulate	insulate	VB
45179	366	24	the	the	DT
45179	366	25	opposite	opposite	JJ
45179	366	26	wheels	wheel	NNS
45179	366	27	of	of	IN
45179	366	28	all	all	PDT
45179	366	29	the	the	DT
45179	366	30	carriages	carriage	NNS
45179	366	31	from	from	IN
45179	366	32	each	each	DT
45179	366	33	other	other	JJ
45179	366	34	,	,	,
45179	366	35	in	in	IN
45179	366	36	order	order	NN
45179	366	37	that	that	IN
45179	366	38	electrical	electrical	JJ
45179	366	39	connection	connection	NN
45179	366	40	may	may	MD
45179	366	41	_	_	NNP
45179	366	42	not	not	RB
45179	366	43	_	_	NNP
45179	366	44	be	be	VB
45179	366	45	established	establish	VBN
45179	366	46	between	between	IN
45179	366	47	the	the	DT
45179	366	48	opposite	opposite	JJ
45179	366	49	rail	rail	NN
45179	366	50	line	line	NN
45179	366	51	by	by	IN
45179	366	52	the	the	DT
45179	366	53	wheels	wheel	NNS
45179	366	54	and	and	CC
45179	366	55	axle	axle	NN
45179	366	56	.	.	.
45179	367	1	Imagine	imagine	VB
45179	367	2	one	one	CD
45179	367	3	of	of	IN
45179	367	4	our	-PRON-	PRP$
45179	367	5	gigantic	gigantic	JJ
45179	367	6	locomotives	locomotive	NNS
45179	367	7	having	have	VBG
45179	367	8	its	-PRON-	PRP$
45179	367	9	opposite	opposite	JJ
45179	367	10	drivers	driver	NNS
45179	367	11	electrically	electrically	RB
45179	367	12	insulated	insulate	VBD
45179	367	13	from	from	IN
45179	367	14	one	one	CD
45179	367	15	another	another	DT
45179	367	16	!	!	.
45179	368	1	Figure	figure	NN
45179	368	2	18	18	CD
45179	368	3	represents	represent	VBZ
45179	368	4	the	the	DT
45179	368	5	signal	signal	NN
45179	368	6	system	system	NN
45179	368	7	described	describe	VBN
45179	368	8	in	in	IN
45179	368	9	William	William	NNP
45179	368	10	Bull	Bull	NNP
45179	368	11	's	's	POS
45179	368	12	English	English	NNP
45179	368	13	patent	patent	NN
45179	368	14	of	of	IN
45179	368	15	October	October	NNP
45179	368	16	31	31	CD
45179	368	17	,	,	,
45179	368	18	1860	1860	CD
45179	368	19	.	.	.
45179	369	1	In	in	IN
45179	369	2	this	this	DT
45179	369	3	system	system	NN
45179	369	4	,	,	,
45179	369	5	it	-PRON-	PRP
45179	369	6	will	will	MD
45179	369	7	be	be	VB
45179	369	8	observed	observe	VBN
45179	369	9	,	,	,
45179	369	10	the	the	DT
45179	369	11	rail	rail	NN
45179	369	12	sections	section	NNS
45179	369	13	used	use	VBN
45179	369	14	are	be	VBP
45179	369	15	short	short	JJ
45179	369	16	,	,	,
45179	369	17	"	"	''
45179	369	18	twenty	twenty	CD
45179	369	19	feet	foot	NNS
45179	369	20	,	,	,
45179	369	21	more	more	RBR
45179	369	22	or	or	CC
45179	369	23	less	less	RBR
45179	369	24	,	,	,
45179	369	25	"	"	''
45179	369	26	and	and	CC
45179	369	27	are	be	VBP
45179	369	28	the	the	DT
45179	369	29	terminals	terminal	NNS
45179	369	30	of	of	IN
45179	369	31	line	line	NN
45179	369	32	wires	wire	NNS
45179	369	33	which	which	WDT
45179	369	34	connect	connect	VBP
45179	369	35	with	with	IN
45179	369	36	the	the	DT
45179	369	37	battery	battery	NN
45179	369	38	and	and	CC
45179	369	39	magnet	magnet	NN
45179	369	40	at	at	IN
45179	369	41	the	the	DT
45179	369	42	station	station	NN
45179	369	43	.	.	.
45179	370	1	The	the	DT
45179	370	2	signal	signal	NN
45179	370	3	at	at	IN
45179	370	4	the	the	DT
45179	370	5	station	station	NN
45179	370	6	is	be	VBZ
45179	370	7	visual	visual	JJ
45179	370	8	and	and	CC
45179	370	9	consists	consist	VBZ
45179	370	10	of	of	IN
45179	370	11	an	an	DT
45179	370	12	indicator	indicator	NN
45179	370	13	operated	operate	VBN
45179	370	14	by	by	IN
45179	370	15	wheel	wheel	NN
45179	370	16	work	work	NN
45179	370	17	actuated	actuate	VBN
45179	370	18	or	or	CC
45179	370	19	controlled	control	VBN
45179	370	20	by	by	IN
45179	370	21	the	the	DT
45179	370	22	electro	electro	JJ
45179	370	23	-	-	HYPH
45179	370	24	magnet	magnet	NN
45179	370	25	M	m	NN
45179	370	26	shown	show	VBN
45179	370	27	in	in	IN
45179	370	28	the	the	DT
45179	370	29	diagram	diagram	NN
45179	370	30	.	.	.
45179	371	1	The	the	DT
45179	371	2	signal	signal	NN
45179	371	3	as	as	IN
45179	371	4	described	describe	VBN
45179	371	5	,	,	,
45179	371	6	moved	move	VBN
45179	371	7	in	in	IN
45179	371	8	one	one	CD
45179	371	9	direction	direction	NN
45179	371	10	only	only	RB
45179	371	11	,	,	,
45179	371	12	by	by	IN
45179	371	13	a	a	DT
45179	371	14	step	step	NN
45179	371	15	-	-	HYPH
45179	371	16	by	by	IN
45179	371	17	-	-	HYPH
45179	371	18	step	step	NN
45179	371	19	movement	movement	NN
45179	371	20	.	.	.
45179	372	1	In	in	IN
45179	372	2	the	the	DT
45179	372	3	following	follow	VBG
45179	372	4	diagram	diagram	NN
45179	372	5	M	M	NNP
45179	372	6	represents	represent	VBZ
45179	372	7	magnet	magnet	NN
45179	372	8	and	and	CC
45179	372	9	B	b	NN
45179	372	10	battery	battery	NN
45179	372	11	.	.	.
45179	373	1	[	[	-LRB-
45179	373	2	Illustration	illustration	NN
45179	373	3	:	:	:
45179	373	4	Fig	Fig	NNP
45179	373	5	.	.	.
45179	374	1	18	18	CD
45179	374	2	.	.	.
45179	375	1	William	William	NNP
45179	375	2	Bull	Bull	NNP
45179	375	3	's	's	POS
45179	375	4	British	British	NNP
45179	375	5	Patent	Patent	NNP
45179	375	6	,	,	,
45179	375	7	October	October	NNP
45179	375	8	31	31	CD
45179	375	9	,	,	,
45179	375	10	1860	1860	CD
45179	375	11	,	,	,
45179	375	12	and	and	CC
45179	375	13	Frank	Frank	NNP
45179	375	14	L.	L.	NNP
45179	375	15	Pope	Pope	NNP
45179	375	16	's	's	POS
45179	375	17	Experiment	experiment	NN
45179	375	18	at	at	IN
45179	375	19	Charlestown	Charlestown	NNP
45179	375	20	,	,	,
45179	375	21	Mass.	Massachusetts	NNP
45179	375	22	,	,	,
45179	375	23	in	in	IN
45179	375	24	1871	1871	CD
45179	375	25	.	.	.
45179	375	26	]	]	-RRB-
45179	376	1	Mr.	Mr.	NNP
45179	376	2	Bull	Bull	NNP
45179	376	3	says	say	VBZ
45179	376	4	:	:	:
45179	376	5	"	"	``
45179	376	6	At	at	IN
45179	376	7	the	the	DT
45179	376	8	stations	station	NNS
45179	376	9	at	at	IN
45179	376	10	which	which	WDT
45179	376	11	it	-PRON-	PRP
45179	376	12	is	be	VBZ
45179	376	13	required	require	VBN
45179	376	14	that	that	IN
45179	376	15	the	the	DT
45179	376	16	progress	progress	NN
45179	376	17	of	of	IN
45179	376	18	the	the	DT
45179	376	19	train	train	NN
45179	376	20	shall	shall	MD
45179	376	21	be	be	VB
45179	376	22	indicated	indicate	VBN
45179	376	23	,	,	,
45179	376	24	a	a	DT
45179	376	25	battery	battery	NN
45179	376	26	is	be	VBZ
45179	376	27	fixed	fix	VBN
45179	376	28	and	and	CC
45179	376	29	in	in	IN
45179	376	30	connection	connection	NN
45179	376	31	therewith	therewith	IN
45179	376	32	a	a	DT
45179	376	33	dial	dial	NN
45179	376	34	or	or	CC
45179	376	35	indicator	indicator	NN
45179	376	36	,	,	,
45179	376	37	both	both	DT
45179	376	38	of	of	IN
45179	376	39	which	which	WDT
45179	376	40	are	be	VBP
45179	376	41	also	also	RB
45179	376	42	connected	connect	VBN
45179	376	43	with	with	IN
45179	376	44	the	the	DT
45179	376	45	line	line	NN
45179	376	46	permanent	permanent	JJ
45179	376	47	way	way	NN
45179	376	48	wire	wire	NN
45179	376	49	,	,	,
45179	376	50	the	the	DT
45179	376	51	terminals	terminal	NNS
45179	376	52	of	of	IN
45179	376	53	which	which	WDT
45179	376	54	are	be	VBP
45179	376	55	the	the	DT
45179	376	56	pairs	pair	NNS
45179	376	57	of	of	IN
45179	376	58	insulated	insulated	JJ
45179	376	59	rails	rail	NNS
45179	376	60	,	,	,
45179	376	61	as	as	IN
45179	376	62	before	before	IN
45179	376	63	described	describe	VBN
45179	376	64	.	.	.
45179	377	1	*	*	NFP
45179	377	2	*	*	NFP
45179	377	3	*	*	NFP
45179	377	4	*	*	NFP
45179	377	5	*	*	NFP
45179	377	6	"	"	``
45179	377	7	When	when	WRB
45179	377	8	the	the	DT
45179	377	9	train	train	NN
45179	377	10	arrives	arrive	VBZ
45179	377	11	at	at	IN
45179	377	12	the	the	DT
45179	377	13	contact	contact	NN
45179	377	14	points	point	NNS
45179	377	15	on	on	IN
45179	377	16	the	the	DT
45179	377	17	line	line	NN
45179	377	18	,	,	,
45179	377	19	the	the	DT
45179	377	20	electric	electric	JJ
45179	377	21	circuit	circuit	NN
45179	377	22	would	would	MD
45179	377	23	be	be	VB
45179	377	24	completed	complete	VBN
45179	377	25	by	by	IN
45179	377	26	the	the	DT
45179	377	27	wheels	wheel	NNS
45179	377	28	of	of	IN
45179	377	29	the	the	DT
45179	377	30	engine	engine	NN
45179	377	31	connecting	connect	VBG
45179	377	32	the	the	DT
45179	377	33	two	two	CD
45179	377	34	insulated	insulated	JJ
45179	377	35	rails	rail	NNS
45179	377	36	,	,	,
45179	377	37	when	when	WRB
45179	377	38	the	the	DT
45179	377	39	current	current	NN
45179	377	40	would	would	MD
45179	377	41	flow	flow	VB
45179	377	42	and	and	CC
45179	377	43	actuate	actuate	VB
45179	377	44	the	the	DT
45179	377	45	electro	electro	JJ
45179	377	46	-	-	HYPH
45179	377	47	magnetic	magnetic	JJ
45179	377	48	armature	armature	NN
45179	377	49	,	,	,
45179	377	50	"	"	''
45179	377	51	&	&	CC
45179	377	52	c.	c.	NNP
45179	377	53	The	the	DT
45179	377	54	mode	mode	NN
45179	377	55	of	of	IN
45179	377	56	insulating	insulate	VBG
45179	377	57	the	the	DT
45179	377	58	rails	rail	NNS
45179	377	59	from	from	IN
45179	377	60	each	each	DT
45179	377	61	other	other	JJ
45179	377	62	is	be	VBZ
45179	377	63	described	describe	VBN
45179	377	64	by	by	IN
45179	377	65	Bull	Bull	NNP
45179	377	66	as	as	IN
45179	377	67	follows:--"Between	follows:--"Between	:
45179	377	68	the	the	DT
45179	377	69	end	end	NN
45179	377	70	of	of	IN
45179	377	71	the	the	DT
45179	377	72	rails	rail	NNS
45179	377	73	,	,	,
45179	377	74	and	and	CC
45179	377	75	also	also	RB
45179	377	76	between	between	IN
45179	377	77	the	the	DT
45179	377	78	joint	joint	JJ
45179	377	79	plates	plate	NNS
45179	377	80	and	and	CC
45179	377	81	rail	rail	NN
45179	377	82	ends	end	NNS
45179	377	83	,	,	,
45179	377	84	I	-PRON-	PRP
45179	377	85	insert	insert	VBP
45179	377	86	a	a	DT
45179	377	87	thin	thin	JJ
45179	377	88	piece	piece	NN
45179	377	89	of	of	IN
45179	377	90	leather	leather	NN
45179	377	91	,	,	,
45179	377	92	mill	mill	NN
45179	377	93	-	-	HYPH
45179	377	94	board	board	NN
45179	377	95	,	,	,
45179	377	96	gutta	gutta	NNP
45179	377	97	percha	percha	NNP
45179	377	98	,	,	,
45179	377	99	or	or	CC
45179	377	100	other	other	JJ
45179	377	101	suitable	suitable	JJ
45179	377	102	substance	substance	NN
45179	377	103	,	,	,
45179	377	104	suitable	suitable	JJ
45179	377	105	for	for	IN
45179	377	106	cutting	cut	VBG
45179	377	107	off	off	RP
45179	377	108	metallic	metallic	JJ
45179	377	109	contact	contact	NN
45179	377	110	,	,	,
45179	377	111	and	and	CC
45179	377	112	thereby	thereby	RB
45179	377	113	insulate	insulate	VB
45179	377	114	one	one	CD
45179	377	115	rail	rail	NN
45179	377	116	of	of	IN
45179	377	117	twenty	twenty	CD
45179	377	118	feet	foot	NNS
45179	377	119	,	,	,
45179	377	120	more	more	RBR
45179	377	121	or	or	CC
45179	377	122	less	less	RBR
45179	377	123	,	,	,
45179	377	124	as	as	IN
45179	377	125	may	may	MD
45179	377	126	be	be	VB
45179	377	127	necessary	necessary	JJ
45179	377	128	.	.	.
45179	377	129	"	"	''
45179	378	1	In	in	IN
45179	378	2	Pope	Pope	NNP
45179	378	3	,	,	,
45179	378	4	in	in	IN
45179	378	5	a	a	DT
45179	378	6	description	description	NN
45179	378	7	of	of	IN
45179	378	8	his	-PRON-	PRP$
45179	378	9	experiment	experiment	NN
45179	378	10	at	at	IN
45179	378	11	Charlestown	Charlestown	NNP
45179	378	12	,	,	,
45179	378	13	in	in	IN
45179	378	14	a	a	DT
45179	378	15	paper	paper	NN
45179	378	16	read	read	VBN
45179	378	17	by	by	IN
45179	378	18	him	-PRON-	PRP
45179	378	19	before	before	IN
45179	378	20	the	the	DT
45179	378	21	New	New	NNP
45179	378	22	York	York	NNP
45179	378	23	Society	Society	NNP
45179	378	24	of	of	IN
45179	378	25	Practical	Practical	NNP
45179	378	26	Engineers	Engineers	NNPS
45179	378	27	--	--	:
45179	378	28	of	of	IN
45179	378	29	which	which	WDT
45179	378	30	,	,	,
45179	378	31	by	by	IN
45179	378	32	the	the	DT
45179	378	33	way	way	NN
45179	378	34	,	,	,
45179	378	35	Mr.	Mr.	NNP
45179	378	36	Robinson	Robinson	NNP
45179	378	37	was	be	VBD
45179	378	38	a	a	DT
45179	378	39	charter	charter	NN
45179	378	40	member	member	NN
45179	378	41	--	--	:
45179	378	42	and	and	CC
45179	378	43	subsequently	subsequently	RB
45179	378	44	published	publish	VBN
45179	378	45	,	,	,
45179	378	46	admits	admit	VBZ
45179	378	47	that	that	IN
45179	378	48	he	-PRON-	PRP
45179	378	49	did	do	VBD
45179	378	50	not	not	RB
45179	378	51	use	use	VB
45179	378	52	the	the	DT
45179	378	53	"	"	``
45179	378	54	rail	rail	NNP
45179	378	55	circuit	circuit	NNP
45179	378	56	"	"	''
45179	378	57	at	at	RB
45179	378	58	all	all	RB
45179	378	59	in	in	IN
45179	378	60	any	any	DT
45179	378	61	proper	proper	JJ
45179	378	62	sense	sense	NN
45179	378	63	of	of	IN
45179	378	64	the	the	DT
45179	378	65	term	term	NN
45179	378	66	.	.	.
45179	379	1	On	on	IN
45179	379	2	the	the	DT
45179	379	3	contrary	contrary	NN
45179	379	4	,	,	,
45179	379	5	he	-PRON-	PRP
45179	379	6	used	use	VBD
45179	379	7	line	line	NN
45179	379	8	wires	wire	NNS
45179	379	9	forming	form	VBG
45179	379	10	his	-PRON-	PRP$
45179	379	11	main	main	JJ
45179	379	12	circuit	circuit	NN
45179	379	13	terminating	terminate	VBG
45179	379	14	in	in	IN
45179	379	15	short	short	JJ
45179	379	16	sections	section	NNS
45179	379	17	of	of	IN
45179	379	18	rails	rail	NNS
45179	379	19	,	,	,
45179	379	20	forty	forty	CD
45179	379	21	-	-	HYPH
45179	379	22	two	two	CD
45179	379	23	feet	foot	NNS
45179	379	24	in	in	IN
45179	379	25	length	length	NN
45179	379	26	according	accord	VBG
45179	379	27	to	to	IN
45179	379	28	my	-PRON-	PRP$
45179	379	29	recollection	recollection	NN
45179	379	30	,	,	,
45179	379	31	that	that	RB
45179	379	32	is	is	RB
45179	379	33	,	,	,
45179	379	34	the	the	DT
45179	379	35	length	length	NN
45179	379	36	of	of	IN
45179	379	37	one	one	CD
45179	379	38	rail	rail	NN
45179	379	39	.	.	.
45179	380	1	The	the	DT
45179	380	2	train	train	NN
45179	380	3	passing	pass	VBG
45179	380	4	over	over	IN
45179	380	5	the	the	DT
45179	380	6	short	short	JJ
45179	380	7	rail	rail	NN
45179	380	8	section	section	NN
45179	380	9	at	at	IN
45179	380	10	one	one	CD
45179	380	11	point	point	NN
45179	380	12	closed	close	VBD
45179	380	13	the	the	DT
45179	380	14	circuit	circuit	NN
45179	380	15	through	through	IN
45179	380	16	the	the	DT
45179	380	17	line	line	NN
45179	380	18	wires	wire	NNS
45179	380	19	,	,	,
45179	380	20	thus	thus	RB
45179	380	21	exposing	expose	VBG
45179	380	22	the	the	DT
45179	380	23	signal	signal	NN
45179	380	24	,	,	,
45179	380	25	which	which	WDT
45179	380	26	was	be	VBD
45179	380	27	held	hold	VBN
45179	380	28	in	in	IN
45179	380	29	place	place	NN
45179	380	30	by	by	IN
45179	380	31	a	a	DT
45179	380	32	"	"	``
45179	380	33	detent	detent	NN
45179	380	34	.	.	.
45179	380	35	"	"	''
45179	381	1	The	the	DT
45179	381	2	train	train	NN
45179	381	3	,	,	,
45179	381	4	having	have	VBG
45179	381	5	reached	reach	VBN
45179	381	6	a	a	DT
45179	381	7	distant	distant	JJ
45179	381	8	point	point	NN
45179	381	9	,	,	,
45179	381	10	passed	pass	VBD
45179	381	11	over	over	IN
45179	381	12	another	another	DT
45179	381	13	similar	similar	JJ
45179	381	14	short	short	JJ
45179	381	15	section	section	NN
45179	381	16	of	of	IN
45179	381	17	rails	rail	NNS
45179	381	18	,	,	,
45179	381	19	closing	close	VBG
45179	381	20	circuit	circuit	NN
45179	381	21	through	through	IN
45179	381	22	another	another	DT
45179	381	23	magnet	magnet	NN
45179	381	24	which	which	WDT
45179	381	25	released	release	VBD
45179	381	26	the	the	DT
45179	381	27	"	"	``
45179	381	28	detent	detent	NN
45179	381	29	"	"	''
45179	381	30	and	and	CC
45179	381	31	reversed	reverse	VBD
45179	381	32	the	the	DT
45179	381	33	signal	signal	NN
45179	381	34	.	.	.
45179	382	1	It	-PRON-	PRP
45179	382	2	will	will	MD
45179	382	3	be	be	VB
45179	382	4	observed	observe	VBN
45179	382	5	that	that	IN
45179	382	6	the	the	DT
45179	382	7	essential	essential	JJ
45179	382	8	features	feature	NNS
45179	382	9	of	of	IN
45179	382	10	the	the	DT
45179	382	11	device	device	NN
45179	382	12	used	use	VBN
45179	382	13	in	in	IN
45179	382	14	Pope	Pope	NNP
45179	382	15	's	's	POS
45179	382	16	experiment	experiment	NN
45179	382	17	,	,	,
45179	382	18	on	on	IN
45179	382	19	which	which	WDT
45179	382	20	he	-PRON-	PRP
45179	382	21	laid	lay	VBD
45179	382	22	great	great	JJ
45179	382	23	stress	stress	NN
45179	382	24	,	,	,
45179	382	25	and	and	CC
45179	382	26	described	describe	VBN
45179	382	27	in	in	IN
45179	382	28	Bull	Bull	NNP
45179	382	29	's	's	POS
45179	382	30	patent	patent	NN
45179	382	31	,	,	,
45179	382	32	are	be	VBP
45179	382	33	identical	identical	JJ
45179	382	34	,	,	,
45179	382	35	that	that	RB
45179	382	36	is	is	RB
45179	382	37	,	,	,
45179	382	38	the	the	DT
45179	382	39	circuit	circuit	NN
45179	382	40	closer	close	JJR
45179	382	41	consists	consist	VBZ
45179	382	42	,	,	,
45179	382	43	in	in	IN
45179	382	44	the	the	DT
45179	382	45	one	one	CD
45179	382	46	case	case	NN
45179	382	47	of	of	IN
45179	382	48	a	a	DT
45179	382	49	section	section	NN
45179	382	50	of	of	IN
45179	382	51	rails	rail	NNS
45179	382	52	"	"	``
45179	382	53	twenty	twenty	CD
45179	382	54	feet	foot	NNS
45179	382	55	long	long	JJ
45179	382	56	,	,	,
45179	382	57	more	more	RBR
45179	382	58	or	or	CC
45179	382	59	less	less	RBR
45179	382	60	,	,	,
45179	382	61	"	"	''
45179	382	62	on	on	IN
45179	382	63	open	open	JJ
45179	382	64	circuit	circuit	NN
45179	382	65	,	,	,
45179	382	66	and	and	CC
45179	382	67	the	the	DT
45179	382	68	other	other	JJ
45179	382	69	identically	identically	RB
45179	382	70	the	the	DT
45179	382	71	same	same	JJ
45179	382	72	,	,	,
45179	382	73	but	but	CC
45179	382	74	with	with	IN
45179	382	75	a	a	DT
45179	382	76	rail	rail	NN
45179	382	77	section	section	NN
45179	382	78	forty	forty	CD
45179	382	79	-	-	HYPH
45179	382	80	two	two	CD
45179	382	81	feet	foot	NNS
45179	382	82	long	long	JJ
45179	382	83	,	,	,
45179	382	84	both	both	DT
45179	382	85	using	use	VBG
45179	382	86	line	line	NN
45179	382	87	wires	wire	NNS
45179	382	88	.	.	.
45179	383	1	Pope	Pope	NNP
45179	383	2	and	and	CC
45179	383	3	his	-PRON-	PRP$
45179	383	4	friends	friend	NNS
45179	383	5	heralded	herald	VBD
45179	383	6	this	this	DT
45179	383	7	experiment	experiment	NN
45179	383	8	--	--	:
45179	383	9	a	a	DT
45179	383	10	revival	revival	NN
45179	383	11	of	of	IN
45179	383	12	Bull	Bull	NNP
45179	383	13	's	's	POS
45179	383	14	device	device	NN
45179	383	15	--	--	:
45179	383	16	as	as	IN
45179	383	17	demonstrating	demonstrate	VBG
45179	383	18	a	a	DT
45179	383	19	wonderful	wonderful	JJ
45179	383	20	invention	invention	NN
45179	383	21	on	on	IN
45179	383	22	the	the	DT
45179	383	23	part	part	NN
45179	383	24	of	of	IN
45179	383	25	Pope	Pope	NNP
45179	383	26	.	.	.
45179	384	1	What	what	WP
45179	384	2	Robinson	Robinson	NNP
45179	384	3	Has	have	VBZ
45179	384	4	Done	do	VBN
45179	384	5	in	in	IN
45179	384	6	Automatic	Automatic	NNP
45179	384	7	Electric	Electric	NNP
45179	384	8	Signaling	Signaling	NNP
45179	384	9	1	1	CD
45179	384	10	.	.	.
45179	385	1	He	-PRON-	PRP
45179	385	2	has	have	VBZ
45179	385	3	created	create	VBN
45179	385	4	an	an	DT
45179	385	5	epoch	epoch	NN
45179	385	6	making	make	VBG
45179	385	7	invention	invention	NN
45179	385	8	of	of	IN
45179	385	9	incalculable	incalculable	JJ
45179	385	10	value	value	NN
45179	385	11	to	to	IN
45179	385	12	the	the	DT
45179	385	13	human	human	JJ
45179	385	14	race	race	NN
45179	385	15	in	in	IN
45179	385	16	the	the	DT
45179	385	17	wholesale	wholesale	JJ
45179	385	18	saving	saving	NN
45179	385	19	of	of	IN
45179	385	20	life	life	NN
45179	385	21	and	and	CC
45179	385	22	property	property	NN
45179	385	23	on	on	IN
45179	385	24	railroads	railroad	NNS
45179	385	25	,	,	,
45179	385	26	an	an	DT
45179	385	27	invention	invention	NN
45179	385	28	of	of	IN
45179	385	29	increasing	increase	VBG
45179	385	30	importance	importance	NN
45179	385	31	and	and	CC
45179	385	32	efficiency	efficiency	NN
45179	385	33	as	as	IN
45179	385	34	time	time	NN
45179	385	35	passes	pass	VBZ
45179	385	36	and	and	CC
45179	385	37	its	-PRON-	PRP$
45179	385	38	use	use	NN
45179	385	39	is	be	VBZ
45179	385	40	extended	extended	JJ
45179	385	41	.	.	.
45179	386	1	It	-PRON-	PRP
45179	386	2	is	be	VBZ
45179	386	3	an	an	DT
45179	386	4	invention	invention	NN
45179	386	5	so	so	RB
45179	386	6	unique	unique	JJ
45179	386	7	and	and	CC
45179	386	8	profoundly	profoundly	RB
45179	386	9	philosophical	philosophical	JJ
45179	386	10	that	that	IN
45179	386	11	those	those	DT
45179	386	12	best	well	RBS
45179	386	13	skilled	skilled	JJ
45179	386	14	in	in	IN
45179	386	15	the	the	DT
45179	386	16	electrical	electrical	JJ
45179	386	17	art	art	NN
45179	386	18	at	at	IN
45179	386	19	the	the	DT
45179	386	20	time	time	NN
45179	386	21	it	-PRON-	PRP
45179	386	22	was	be	VBD
45179	386	23	made	make	VBN
45179	386	24	,	,	,
45179	386	25	declared	declare	VBN
45179	386	26	that	that	IN
45179	386	27	it	-PRON-	PRP
45179	386	28	was	be	VBD
45179	386	29	contrary	contrary	JJ
45179	386	30	to	to	IN
45179	386	31	all	all	DT
45179	386	32	known	know	VBN
45179	386	33	laws	law	NNS
45179	386	34	of	of	IN
45179	386	35	electrical	electrical	JJ
45179	386	36	action	action	NN
45179	386	37	and	and	CC
45179	386	38	could	could	MD
45179	386	39	not	not	RB
45179	386	40	possibly	possibly	RB
45179	386	41	work	work	VB
45179	386	42	.	.	.
45179	387	1	2	2	LS
45179	387	2	.	.	.
45179	388	1	Robinson	Robinson	NNP
45179	388	2	's	's	POS
45179	388	3	invention	invention	NN
45179	388	4	was	be	VBD
45179	388	5	not	not	RB
45179	388	6	an	an	DT
45179	388	7	improvement	improvement	NN
45179	388	8	on	on	IN
45179	388	9	something	something	NN
45179	388	10	that	that	WDT
45179	388	11	preceded	precede	VBD
45179	388	12	it	-PRON-	PRP
45179	388	13	.	.	.
45179	389	1	It	-PRON-	PRP
45179	389	2	had	have	VBD
45179	389	3	no	no	DT
45179	389	4	precedent	precedent	NN
45179	389	5	.	.	.
45179	390	1	It	-PRON-	PRP
45179	390	2	was	be	VBD
45179	390	3	an	an	DT
45179	390	4	entirely	entirely	RB
45179	390	5	new	new	JJ
45179	390	6	creation	creation	NN
45179	390	7	involving	involve	VBG
45179	390	8	principles	principle	NNS
45179	390	9	and	and	CC
45179	390	10	methods	method	NNS
45179	390	11	of	of	IN
45179	390	12	operation	operation	NN
45179	390	13	never	never	RB
45179	390	14	before	before	IN
45179	390	15	known	know	VBN
45179	390	16	or	or	CC
45179	390	17	used	use	VBN
45179	390	18	by	by	IN
45179	390	19	anybody	anybody	NN
45179	390	20	.	.	.
45179	391	1	3	3	LS
45179	391	2	.	.	.
45179	392	1	His	-PRON-	PRP$
45179	392	2	invention	invention	NN
45179	392	3	was	be	VBD
45179	392	4	almost	almost	RB
45179	392	5	unique	unique	JJ
45179	392	6	in	in	IN
45179	392	7	this	this	DT
45179	392	8	:	:	:
45179	392	9	It	-PRON-	PRP
45179	392	10	was	be	VBD
45179	392	11	a	a	DT
45179	392	12	basic	basic	JJ
45179	392	13	invention	invention	NN
45179	392	14	conceived	conceive	VBD
45179	392	15	,	,	,
45179	392	16	tested	test	VBD
45179	392	17	,	,	,
45179	392	18	put	put	VBN
45179	392	19	in	in	IN
45179	392	20	practical	practical	JJ
45179	392	21	operation	operation	NN
45179	392	22	in	in	IN
45179	392	23	many	many	JJ
45179	392	24	installations	installation	NNS
45179	392	25	,	,	,
45179	392	26	and	and	CC
45179	392	27	_	_	NNP
45179	392	28	perfected	perfect	VBD
45179	392	29	_	_	NNP
45179	392	30	,	,	,
45179	392	31	as	as	IN
45179	392	32	a	a	DT
45179	392	33	system	system	NN
45179	392	34	,	,	,
45179	392	35	in	in	IN
45179	392	36	all	all	DT
45179	392	37	its	-PRON-	PRP$
45179	392	38	details	detail	NNS
45179	392	39	,	,	,
45179	392	40	by	by	IN
45179	392	41	its	-PRON-	PRP$
45179	392	42	original	original	JJ
45179	392	43	inventor	inventor	NN
45179	392	44	.	.	.
45179	393	1	He	-PRON-	PRP
45179	393	2	reduced	reduce	VBD
45179	393	3	it	-PRON-	PRP
45179	393	4	to	to	IN
45179	393	5	its	-PRON-	PRP$
45179	393	6	lowest	low	JJS
45179	393	7	terms	term	NNS
45179	393	8	and	and	CC
45179	393	9	its	-PRON-	PRP$
45179	393	10	highest	high	JJS
45179	393	11	efficiency	efficiency	NN
45179	393	12	,	,	,
45179	393	13	a	a	DT
45179	393	14	perfection	perfection	NN
45179	393	15	and	and	CC
45179	393	16	efficiency	efficiency	NN
45179	393	17	of	of	IN
45179	393	18	operation	operation	NN
45179	393	19	which	which	WDT
45179	393	20	have	have	VBP
45179	393	21	not	not	RB
45179	393	22	been	be	VBN
45179	393	23	exceeded	exceed	VBN
45179	393	24	since	since	IN
45179	393	25	it	-PRON-	PRP
45179	393	26	left	leave	VBD
45179	393	27	his	-PRON-	PRP$
45179	393	28	hands	hand	NNS
45179	393	29	many	many	JJ
45179	393	30	years	year	NNS
45179	393	31	ago	ago	RB
45179	393	32	.	.	.
45179	394	1	4	4	LS
45179	394	2	.	.	.
45179	395	1	His	-PRON-	PRP$
45179	395	2	invention	invention	NN
45179	395	3	has	have	VBZ
45179	395	4	made	make	VBN
45179	395	5	possible	possible	JJ
45179	395	6	,	,	,
45179	395	7	with	with	IN
45179	395	8	safety	safety	NN
45179	395	9	,	,	,
45179	395	10	the	the	DT
45179	395	11	high	high	JJ
45179	395	12	speed	speed	NN
45179	395	13	railroading	railroading	NN
45179	395	14	of	of	IN
45179	395	15	today	today	NN
45179	395	16	.	.	.
45179	396	1	5	5	CD
45179	396	2	.	.	.
45179	397	1	As	as	IN
45179	397	2	already	already	RB
45179	397	3	stated	state	VBN
45179	397	4	,	,	,
45179	397	5	the	the	DT
45179	397	6	automatic	automatic	JJ
45179	397	7	signal	signal	NN
45179	397	8	system	system	NN
45179	397	9	used	use	VBN
45179	397	10	in	in	IN
45179	397	11	and	and	CC
45179	397	12	controlling	control	VBG
45179	397	13	the	the	DT
45179	397	14	operation	operation	NN
45179	397	15	of	of	IN
45179	397	16	traffic	traffic	NN
45179	397	17	of	of	IN
45179	397	18	the	the	DT
45179	397	19	New	New	NNP
45179	397	20	York	York	NNP
45179	397	21	subway	subway	NN
45179	397	22	is	be	VBZ
45179	397	23	purely	purely	RB
45179	397	24	and	and	CC
45179	397	25	exclusively	exclusively	RB
45179	397	26	a	a	DT
45179	397	27	Robinson	Robinson	NNP
45179	397	28	system	system	NN
45179	397	29	.	.	.
45179	398	1	6	6	CD
45179	398	2	.	.	.
45179	399	1	Robinson	Robinson	NNP
45179	399	2	's	's	POS
45179	399	3	automatic	automatic	JJ
45179	399	4	signal	signal	NN
45179	399	5	system	system	NN
45179	399	6	has	have	VBZ
45179	399	7	increased	increase	VBN
45179	399	8	the	the	DT
45179	399	9	traffic	traffic	NN
45179	399	10	capacity	capacity	NN
45179	399	11	of	of	IN
45179	399	12	the	the	DT
45179	399	13	New	New	NNP
45179	399	14	York	York	NNP
45179	399	15	subway	subway	NN
45179	399	16	at	at	IN
45179	399	17	least	least	RBS
45179	399	18	three	three	CD
45179	399	19	-	-	RB
45179	399	20	fold	fold	RB
45179	399	21	,	,	,
45179	399	22	and	and	CC
45179	399	23	probably	probably	RB
45179	399	24	twice	twice	PDT
45179	399	25	that	that	DT
45179	399	26	.	.	.
45179	400	1	Without	without	IN
45179	400	2	it	-PRON-	PRP
45179	400	3	the	the	DT
45179	400	4	subway	subway	NN
45179	400	5	equipment	equipment	NN
45179	400	6	could	could	MD
45179	400	7	not	not	RB
45179	400	8	transport	transport	VB
45179	400	9	with	with	IN
45179	400	10	safety	safety	NN
45179	400	11	,	,	,
45179	400	12	one	one	CD
45179	400	13	-	-	HYPH
45179	400	14	fourth	fourth	NN
45179	400	15	the	the	DT
45179	400	16	number	number	NN
45179	400	17	of	of	IN
45179	400	18	passengers	passenger	NNS
45179	400	19	now	now	RB
45179	400	20	carried	carry	VBD
45179	400	21	.	.	.
45179	401	1	7	7	LS
45179	401	2	.	.	.
45179	402	1	This	this	DT
45179	402	2	invention	invention	NN
45179	402	3	has	have	VBZ
45179	402	4	created	create	VBN
45179	402	5	a	a	DT
45179	402	6	practically	practically	RB
45179	402	7	new	new	JJ
45179	402	8	industry	industry	NN
45179	402	9	,	,	,
45179	402	10	giving	give	VBG
45179	402	11	employment	employment	NN
45179	402	12	to	to	IN
45179	402	13	many	many	JJ
45179	402	14	thousands	thousand	NNS
45179	402	15	of	of	IN
45179	402	16	men	man	NNS
45179	402	17	,	,	,
45179	402	18	in	in	IN
45179	402	19	various	various	JJ
45179	402	20	capacities	capacity	NNS
45179	402	21	,	,	,
45179	402	22	skilled	skilled	JJ
45179	402	23	and	and	CC
45179	402	24	unskilled	unskilled	JJ
45179	402	25	.	.	.
45179	403	1	8	8	LS
45179	403	2	.	.	.
45179	404	1	It	-PRON-	PRP
45179	404	2	is	be	VBZ
45179	404	3	enriching	enrich	VBG
45179	404	4	the	the	DT
45179	404	5	railroads	railroad	NNS
45179	404	6	by	by	IN
45179	404	7	enabling	enable	VBG
45179	404	8	them	-PRON-	PRP
45179	404	9	to	to	TO
45179	404	10	carry	carry	VB
45179	404	11	on	on	RP
45179	404	12	twice	twice	PDT
45179	404	13	the	the	DT
45179	404	14	traffic	traffic	NN
45179	404	15	,	,	,
45179	404	16	with	with	IN
45179	404	17	a	a	DT
45179	404	18	given	give	VBN
45179	404	19	equipment	equipment	NN
45179	404	20	,	,	,
45179	404	21	that	that	IN
45179	404	22	they	-PRON-	PRP
45179	404	23	could	could	MD
45179	404	24	ever	ever	RB
45179	404	25	do	do	VB
45179	404	26	before	before	RB
45179	404	27	,	,	,
45179	404	28	and	and	CC
45179	404	29	also	also	RB
45179	404	30	by	by	IN
45179	404	31	saving	save	VBG
45179	404	32	their	-PRON-	PRP$
45179	404	33	equipment	equipment	NN
45179	404	34	from	from	IN
45179	404	35	destruction	destruction	NN
45179	404	36	by	by	IN
45179	404	37	collisions	collision	NNS
45179	404	38	and	and	CC
45179	404	39	other	other	JJ
45179	404	40	destructive	destructive	JJ
45179	404	41	means	mean	NNS
45179	404	42	.	.	.
45179	405	1	9	9	CD
45179	405	2	.	.	.
45179	406	1	The	the	DT
45179	406	2	Robinson	Robinson	NNP
45179	406	3	automatic	automatic	JJ
45179	406	4	system	system	NN
45179	406	5	is	be	VBZ
45179	406	6	admittedly	admittedly	RB
45179	406	7	the	the	DT
45179	406	8	only	only	JJ
45179	406	9	signal	signal	NN
45179	406	10	system	system	NN
45179	406	11	ever	ever	RB
45179	406	12	produced	produce	VBD
45179	406	13	that	that	IN
45179	406	14	meets	meet	VBZ
45179	406	15	all	all	PDT
45179	406	16	the	the	DT
45179	406	17	requirements	requirement	NNS
45179	406	18	of	of	IN
45179	406	19	safe	safe	JJ
45179	406	20	and	and	CC
45179	406	21	rapid	rapid	JJ
45179	406	22	railroading	railroading	NN
45179	406	23	.	.	.
45179	407	1	10	10	CD
45179	407	2	.	.	.
45179	408	1	Robinson	Robinson	NNP
45179	408	2	's	's	POS
45179	408	3	subsidiary	subsidiary	JJ
45179	408	4	invention	invention	NN
45179	408	5	of	of	IN
45179	408	6	the	the	DT
45179	408	7	rail	rail	NN
45179	408	8	bond	bond	NN
45179	408	9	,	,	,
45179	408	10	made	make	VBD
45179	408	11	more	more	JJR
45179	408	12	than	than	IN
45179	408	13	fifty	fifty	CD
45179	408	14	years	year	NNS
45179	408	15	ago	ago	RB
45179	408	16	in	in	IN
45179	408	17	connection	connection	NN
45179	408	18	with	with	IN
45179	408	19	his	-PRON-	PRP$
45179	408	20	automatic	automatic	JJ
45179	408	21	system	system	NN
45179	408	22	of	of	IN
45179	408	23	signaling	signaling	NN
45179	408	24	,	,	,
45179	408	25	and	and	CC
45179	408	26	now	now	RB
45179	408	27	in	in	IN
45179	408	28	universal	universal	JJ
45179	408	29	use	use	NN
45179	408	30	on	on	IN
45179	408	31	all	all	DT
45179	408	32	electric	electric	JJ
45179	408	33	roads	road	NNS
45179	408	34	using	use	VBG
45179	408	35	the	the	DT
45179	408	36	track	track	NN
45179	408	37	return	return	NN
45179	408	38	,	,	,
45179	408	39	throughout	throughout	IN
45179	408	40	the	the	DT
45179	408	41	world	world	NN
45179	408	42	,	,	,
45179	408	43	has	have	VBZ
45179	408	44	made	make	VBN
45179	408	45	possible	possible	JJ
45179	408	46	electric	electric	JJ
45179	408	47	railroading	railroading	NN
45179	408	48	as	as	IN
45179	408	49	practiced	practice	VBN
45179	408	50	today	today	NN
45179	408	51	.	.	.
45179	409	1	Without	without	IN
45179	409	2	this	this	DT
45179	409	3	Robinson	Robinson	NNP
45179	409	4	bond	bond	NN
45179	409	5	or	or	CC
45179	409	6	its	-PRON-	PRP$
45179	409	7	equivalent	equivalent	JJ
45179	409	8	those	those	DT
45179	409	9	electric	electric	JJ
45179	409	10	roads	road	NNS
45179	409	11	using	use	VBG
45179	409	12	the	the	DT
45179	409	13	track	track	NN
45179	409	14	return	return	NN
45179	409	15	could	could	MD
45179	409	16	not	not	RB
45179	409	17	be	be	VB
45179	409	18	operated	operate	VBN
45179	409	19	.	.	.
45179	410	1	11	11	CD
45179	410	2	.	.	.
45179	411	1	The	the	DT
45179	411	2	Robinson	Robinson	NNP
45179	411	3	automatic	automatic	JJ
45179	411	4	system	system	NN
45179	411	5	is	be	VBZ
45179	411	6	a	a	DT
45179	411	7	humanitarian	humanitarian	JJ
45179	411	8	invention	invention	NN
45179	411	9	of	of	IN
45179	411	10	the	the	DT
45179	411	11	very	very	RB
45179	411	12	highest	high	JJS
45179	411	13	order	order	NN
45179	411	14	,	,	,
45179	411	15	to	to	TO
45179	411	16	which	which	WDT
45179	411	17	thousands	thousand	NNS
45179	411	18	of	of	IN
45179	411	19	travelers	traveler	NNS
45179	411	20	by	by	IN
45179	411	21	rail	rail	NN
45179	411	22	are	be	VBP
45179	411	23	indebted	indebted	JJ
45179	411	24	for	for	IN
45179	411	25	the	the	DT
45179	411	26	preservation	preservation	NN
45179	411	27	of	of	IN
45179	411	28	life	life	NN
45179	411	29	and	and	CC
45179	411	30	limb	limb	NN
45179	411	31	.	.	.
45179	412	1	[	[	-LRB-
45179	412	2	Illustration	illustration	NN
45179	412	3	:	:	:
45179	412	4	W.	W.	NNP
45179	412	5	ROBINSON	ROBINSON	NNP
45179	412	6	.	.	.
45179	413	1	Improvement	improvement	NN
45179	413	2	in	in	IN
45179	413	3	Electric	Electric	NNP
45179	413	4	Signaling	Signaling	NNP
45179	413	5	Apparatus	Apparatus	NNP
45179	413	6	for	for	IN
45179	413	7	Railroads	railroad	NNS
45179	413	8	.	.	.
45179	414	1	No	no	UH
45179	414	2	.	.	.
45179	415	1	130,661	130,661	CD
45179	415	2	.	.	.
45179	416	1	Patented	Patented	NNP
45179	416	2	Aug	Aug	NNP
45179	416	3	20	20	CD
45179	416	4	,	,	,
45179	416	5	1872	1872	CD
45179	416	6	.	.	.
45179	416	7	]	]	-RRB-
45179	417	1	UNITED	UNITED	NNP
45179	417	2	STATES	STATES	NNP
45179	417	3	PATENT	PATENT	NNP
45179	417	4	OFFICE	OFFICE	NNP
45179	417	5	WILLIAM	WILLIAM	NNS
45179	417	6	ROBINSON	robinson	NN
45179	417	7	,	,	,
45179	417	8	OF	of	IN
45179	417	9	BROOKLYN	BROOKLYN	NNP
45179	417	10	,	,	,
45179	417	11	NEW	NEW	NNP
45179	417	12	YORK	YORK	NNP
45179	417	13	.	.	.
45179	418	1	Improvement	improvement	NN
45179	418	2	in	in	IN
45179	418	3	Electric	Electric	NNP
45179	418	4	-	-	HYPH
45179	418	5	Signaling	signal	VBG
45179	418	6	Apparatus	Apparatus	NNP
45179	418	7	for	for	IN
45179	418	8	Railroads	railroad	NNS
45179	418	9	Specifications	Specifications	NNPS
45179	418	10	forming	form	VBG
45179	418	11	part	part	NN
45179	418	12	of	of	IN
45179	418	13	Letters	Letters	NNPS
45179	418	14	Patent	Patent	NNP
45179	418	15	No	no	UH
45179	418	16	.	.	.
45179	419	1	130,661	130,661	CD
45179	419	2	,	,	,
45179	419	3	dated	date	VBN
45179	419	4	August	August	NNP
45179	419	5	20	20	CD
45179	419	6	,	,	,
45179	419	7	1872	1872	CD
45179	419	8	.	.	.
45179	420	1	Be	be	VB
45179	420	2	it	-PRON-	PRP
45179	420	3	known	know	VBN
45179	420	4	that	that	IN
45179	420	5	I	-PRON-	PRP
45179	420	6	,	,	,
45179	420	7	WILLIAM	WILLIAM	NNP
45179	420	8	ROBINSON	ROBINSON	NNP
45179	420	9	,	,	,
45179	420	10	of	of	IN
45179	420	11	Brooklyn	Brooklyn	NNP
45179	420	12	,	,	,
45179	420	13	in	in	IN
45179	420	14	the	the	DT
45179	420	15	county	county	NN
45179	420	16	of	of	IN
45179	420	17	Kings	Kings	NNP
45179	420	18	and	and	CC
45179	420	19	State	State	NNP
45179	420	20	of	of	IN
45179	420	21	New	New	NNP
45179	420	22	York	York	NNP
45179	420	23	,	,	,
45179	420	24	have	have	VBP
45179	420	25	invented	invent	VBN
45179	420	26	a	a	DT
45179	420	27	new	new	JJ
45179	420	28	and	and	CC
45179	420	29	useful	useful	JJ
45179	420	30	Electric	Electric	NNP
45179	420	31	Signaling	Signaling	NNP
45179	420	32	Apparatus	Apparatus	NNP
45179	420	33	for	for	IN
45179	420	34	Railways	railway	NNS
45179	420	35	,	,	,
45179	420	36	of	of	IN
45179	420	37	which	which	WDT
45179	420	38	the	the	DT
45179	420	39	following	follow	VBG
45179	420	40	is	be	VBZ
45179	420	41	a	a	DT
45179	420	42	full	full	JJ
45179	420	43	,	,	,
45179	420	44	clear	clear	JJ
45179	420	45	,	,	,
45179	420	46	and	and	CC
45179	420	47	exact	exact	JJ
45179	420	48	description	description	NN
45179	420	49	,	,	,
45179	420	50	reference	reference	NN
45179	420	51	being	be	VBG
45179	420	52	had	have	VBD
45179	420	53	to	to	IN
45179	420	54	the	the	DT
45179	420	55	accompanying	accompany	VBG
45179	420	56	drawing	drawing	NN
45179	420	57	forming	form	VBG
45179	420	58	part	part	NN
45179	420	59	of	of	IN
45179	420	60	this	this	DT
45179	420	61	specification	specification	NN
45179	420	62	.	.	.
45179	421	1	The	the	DT
45179	421	2	figure	figure	NN
45179	421	3	represents	represent	VBZ
45179	421	4	a	a	DT
45179	421	5	top	top	JJ
45179	421	6	view	view	NN
45179	421	7	of	of	IN
45179	421	8	a	a	DT
45179	421	9	double	double	JJ
45179	421	10	-	-	HYPH
45179	421	11	track	track	NN
45179	421	12	railway	railway	NN
45179	421	13	,	,	,
45179	421	14	with	with	IN
45179	421	15	suitable	suitable	JJ
45179	421	16	sections	section	NNS
45179	421	17	and	and	CC
45179	421	18	wire	wire	NN
45179	421	19	connections	connection	NNS
45179	421	20	,	,	,
45179	421	21	together	together	RB
45179	421	22	with	with	IN
45179	421	23	an	an	DT
45179	421	24	elevation	elevation	NN
45179	421	25	of	of	IN
45179	421	26	the	the	DT
45179	421	27	signal	signal	NN
45179	421	28	-	-	HYPH
45179	421	29	box	box	NN
45179	421	30	with	with	IN
45179	421	31	its	-PRON-	PRP$
45179	421	32	face	face	NN
45179	421	33	removed	remove	VBN
45179	421	34	to	to	TO
45179	421	35	show	show	VB
45179	421	36	the	the	DT
45179	421	37	signal	signal	NN
45179	421	38	within	within	IN
45179	421	39	,	,	,
45179	421	40	the	the	DT
45179	421	41	whole	whole	JJ
45179	421	42	being	be	VBG
45179	421	43	arranged	arrange	VBN
45179	421	44	to	to	TO
45179	421	45	illustrate	illustrate	VB
45179	421	46	my	-PRON-	PRP$
45179	421	47	invention	invention	NN
45179	421	48	.	.	.
45179	422	1	The	the	DT
45179	422	2	object	object	NN
45179	422	3	of	of	IN
45179	422	4	this	this	DT
45179	422	5	invention	invention	NN
45179	422	6	is	be	VBZ
45179	422	7	to	to	TO
45179	422	8	operate	operate	VB
45179	422	9	electric	electric	JJ
45179	422	10	signals	signal	NNS
45179	422	11	,	,	,
45179	422	12	audible	audible	JJ
45179	422	13	or	or	CC
45179	422	14	visible	visible	JJ
45179	422	15	,	,	,
45179	422	16	by	by	IN
45179	422	17	means	mean	NNS
45179	422	18	of	of	IN
45179	422	19	moving	move	VBG
45179	422	20	or	or	CC
45179	422	21	standing	stand	VBG
45179	422	22	vehicles	vehicle	NNS
45179	422	23	or	or	CC
45179	422	24	trains	train	NNS
45179	422	25	without	without	IN
45179	422	26	the	the	DT
45179	422	27	use	use	NN
45179	422	28	of	of	IN
45179	422	29	ordinary	ordinary	JJ
45179	422	30	track	track	NN
45179	422	31	connections	connection	NNS
45179	422	32	for	for	IN
45179	422	33	closing	close	VBG
45179	422	34	or	or	CC
45179	422	35	breaking	break	VBG
45179	422	36	circuits	circuit	NNS
45179	422	37	,	,	,
45179	422	38	and	and	CC
45179	422	39	without	without	IN
45179	422	40	the	the	DT
45179	422	41	use	use	NN
45179	422	42	or	or	CC
45179	422	43	with	with	IN
45179	422	44	a	a	DT
45179	422	45	limited	limited	JJ
45179	422	46	use	use	NN
45179	422	47	of	of	IN
45179	422	48	line	line	NN
45179	422	49	-	-	HYPH
45179	422	50	wires	wire	NNS
45179	422	51	for	for	IN
45179	422	52	conducting	conduct	VBG
45179	422	53	the	the	DT
45179	422	54	electric	electric	JJ
45179	422	55	current	current	NN
45179	422	56	,	,	,
45179	422	57	the	the	DT
45179	422	58	rails	rail	NNS
45179	422	59	of	of	IN
45179	422	60	the	the	DT
45179	422	61	track	track	NN
45179	422	62	being	be	VBG
45179	422	63	used	use	VBN
45179	422	64	for	for	IN
45179	422	65	the	the	DT
45179	422	66	latter	latter	JJ
45179	422	67	purpose	purpose	NN
45179	422	68	.	.	.
45179	423	1	The	the	DT
45179	423	2	invention	invention	NN
45179	423	3	consists	consist	VBZ
45179	423	4	in	in	IN
45179	423	5	an	an	DT
45179	423	6	improved	improved	JJ
45179	423	7	signal	signal	NN
45179	423	8	of	of	IN
45179	423	9	very	very	RB
45179	423	10	simple	simple	JJ
45179	423	11	construction	construction	NN
45179	423	12	,	,	,
45179	423	13	by	by	IN
45179	423	14	which	which	WDT
45179	423	15	great	great	JJ
45179	423	16	ease	ease	NN
45179	423	17	of	of	IN
45179	423	18	action	action	NN
45179	423	19	is	be	VBZ
45179	423	20	secured	secure	VBN
45179	423	21	.	.	.
45179	424	1	It	-PRON-	PRP
45179	424	2	also	also	RB
45179	424	3	embraces	embrace	VBZ
45179	424	4	certain	certain	JJ
45179	424	5	peculiarities	peculiarity	NNS
45179	424	6	in	in	IN
45179	424	7	the	the	DT
45179	424	8	arrangement	arrangement	NN
45179	424	9	of	of	IN
45179	424	10	wires	wire	NNS
45179	424	11	from	from	IN
45179	424	12	the	the	DT
45179	424	13	signal	signal	NN
45179	424	14	and	and	CC
45179	424	15	battery	battery	NN
45179	424	16	to	to	IN
45179	424	17	the	the	DT
45179	424	18	track	track	NN
45179	424	19	.	.	.
45179	425	1	A	a	DT
45179	425	2	in	in	IN
45179	425	3	the	the	DT
45179	425	4	drawing	drawing	NN
45179	425	5	represents	represent	VBZ
45179	425	6	a	a	DT
45179	425	7	double	double	JJ
45179	425	8	-	-	HYPH
45179	425	9	track	track	NN
45179	425	10	railroad	railroad	NN
45179	425	11	.	.	.
45179	426	1	C	C	NNP
45179	426	2	is	be	VBZ
45179	426	3	a	a	DT
45179	426	4	section	section	NN
45179	426	5	of	of	IN
45179	426	6	track	track	NN
45179	426	7	,	,	,
45179	426	8	which	which	WDT
45179	426	9	may	may	MD
45179	426	10	be	be	VB
45179	426	11	a	a	DT
45179	426	12	mile	mile	NN
45179	426	13	long	long	JJ
45179	426	14	,	,	,
45179	426	15	more	more	RBR
45179	426	16	or	or	CC
45179	426	17	less	less	RBR
45179	426	18	,	,	,
45179	426	19	and	and	CC
45179	426	20	having	have	VBG
45179	426	21	its	-PRON-	PRP$
45179	426	22	rails	rail	NNS
45179	426	23	_	_	NNP
45179	426	24	a	a	DT
45179	426	25	b	b	NN
45179	426	26	_	_	NN
45179	426	27	separated	separate	VBD
45179	426	28	from	from	IN
45179	426	29	metallic	metallic	JJ
45179	426	30	contact	contact	NN
45179	426	31	with	with	IN
45179	426	32	the	the	DT
45179	426	33	rails	rail	NNS
45179	426	34	of	of	IN
45179	426	35	the	the	DT
45179	426	36	sections	section	NNS
45179	426	37	D	d	NN
45179	426	38	and	and	CC
45179	426	39	E	e	NN
45179	426	40	,	,	,
45179	426	41	as	as	IN
45179	426	42	shown	show	VBN
45179	426	43	at	at	IN
45179	426	44	_	_	NNP
45179	426	45	a	a	DT
45179	426	46	'	'	``
45179	426	47	b	b	NN
45179	426	48	'	'	''
45179	426	49	_	_	NNP
45179	426	50	.	.	.
45179	427	1	In	in	IN
45179	427	2	like	like	IN
45179	427	3	manner	manner	NN
45179	427	4	the	the	DT
45179	427	5	section	section	NN
45179	427	6	C	C	NNP
45179	427	7	'	'	''
45179	427	8	of	of	IN
45179	427	9	the	the	DT
45179	427	10	other	other	JJ
45179	427	11	track	track	NN
45179	427	12	has	have	VBZ
45179	427	13	its	-PRON-	PRP$
45179	427	14	rails	rail	NNS
45179	427	15	separated	separate	VBN
45179	427	16	from	from	IN
45179	427	17	metallic	metallic	JJ
45179	427	18	contact	contact	NN
45179	427	19	with	with	IN
45179	427	20	the	the	DT
45179	427	21	rails	rail	NNS
45179	427	22	of	of	IN
45179	427	23	the	the	DT
45179	427	24	sections	section	NNS
45179	427	25	D	d	NN
45179	427	26	'	'	''
45179	427	27	and	and	CC
45179	427	28	E	e	NN
45179	427	29	'	'	''
45179	427	30	.	.	.
45179	428	1	The	the	DT
45179	428	2	rails	rail	NNS
45179	428	3	_	_	NNP
45179	428	4	a	a	DT
45179	428	5	b	b	NN
45179	428	6	c	c	NN
45179	428	7	d	d	NN
45179	428	8	_	_	NNP
45179	428	9	should	should	MD
45179	428	10	each	each	DT
45179	428	11	have	have	VB
45179	428	12	metallic	metallic	JJ
45179	428	13	continuity	continuity	NN
45179	428	14	throughout	throughout	IN
45179	428	15	the	the	DT
45179	428	16	length	length	NN
45179	428	17	of	of	IN
45179	428	18	its	-PRON-	PRP$
45179	428	19	section	section	NN
45179	428	20	.	.	.
45179	429	1	The	the	DT
45179	429	2	signal	signal	NN
45179	429	3	-	-	HYPH
45179	429	4	box	box	NN
45179	429	5	F	F	NNP
45179	429	6	is	be	VBZ
45179	429	7	constructed	construct	VBN
45179	429	8	of	of	IN
45179	429	9	any	any	DT
45179	429	10	suitable	suitable	JJ
45179	429	11	material	material	NN
45179	429	12	,	,	,
45179	429	13	and	and	CC
45179	429	14	is	be	VBZ
45179	429	15	provided	provide	VBN
45179	429	16	with	with	IN
45179	429	17	an	an	DT
45179	429	18	orifice	orifice	NN
45179	429	19	,	,	,
45179	429	20	preferably	preferably	RB
45179	429	21	in	in	IN
45179	429	22	the	the	DT
45179	429	23	center	center	NN
45179	429	24	,	,	,
45179	429	25	covered	cover	VBN
45179	429	26	with	with	IN
45179	429	27	glass	glass	NN
45179	429	28	windows	window	NNS
45179	429	29	capable	capable	JJ
45179	429	30	of	of	IN
45179	429	31	illumination	illumination	NN
45179	429	32	,	,	,
45179	429	33	through	through	IN
45179	429	34	which	which	WDT
45179	429	35	the	the	DT
45179	429	36	signal	signal	NN
45179	429	37	may	may	MD
45179	429	38	be	be	VB
45179	429	39	seen	see	VBN
45179	429	40	when	when	WRB
45179	429	41	exposed	expose	VBN
45179	429	42	,	,	,
45179	429	43	day	day	NN
45179	429	44	or	or	CC
45179	429	45	night	night	NN
45179	429	46	.	.	.
45179	430	1	Within	within	IN
45179	430	2	this	this	DT
45179	430	3	signal	signal	NN
45179	430	4	-	-	HYPH
45179	430	5	box	box	NN
45179	430	6	is	be	VBZ
45179	430	7	placed	place	VBN
45179	430	8	the	the	DT
45179	430	9	signal	signal	NN
45179	430	10	G	g	NN
45179	430	11	,	,	,
45179	430	12	consisting	consist	VBG
45179	430	13	of	of	IN
45179	430	14	a	a	DT
45179	430	15	disk	disk	NN
45179	430	16	,	,	,
45179	430	17	S	S	NNP
45179	430	18	,	,	,
45179	430	19	attached	attach	VBN
45179	430	20	to	to	IN
45179	430	21	the	the	DT
45179	430	22	lever	lever	NN
45179	430	23	_	_	NNP
45179	430	24	e	e	NNP
45179	430	25	_	_	NNP
45179	430	26	,	,	,
45179	430	27	which	which	WDT
45179	430	28	,	,	,
45179	430	29	pivoted	pivot	VBN
45179	430	30	at	at	IN
45179	430	31	_	_	NNP
45179	430	32	f	f	NNP
45179	430	33	_	_	NNP
45179	430	34	,	,	,
45179	430	35	turns	turn	VBZ
45179	430	36	on	on	IN
45179	430	37	a	a	DT
45179	430	38	horizontal	horizontal	JJ
45179	430	39	axis	axis	NN
45179	430	40	.	.	.
45179	431	1	To	to	IN
45179	431	2	the	the	DT
45179	431	3	lever	lever	NN
45179	431	4	_	_	NNP
45179	431	5	e	e	NNP
45179	431	6	_	_	NNP
45179	431	7	or	or	CC
45179	431	8	its	-PRON-	PRP$
45179	431	9	arbor	arbor	NN
45179	431	10	is	be	VBZ
45179	431	11	fixed	fix	VBN
45179	431	12	the	the	DT
45179	431	13	small	small	JJ
45179	431	14	projection	projection	NN
45179	431	15	or	or	CC
45179	431	16	lever	lever	NN
45179	431	17	,	,	,
45179	431	18	preferably	preferably	RB
45179	431	19	segmental	segmental	JJ
45179	431	20	,	,	,
45179	431	21	_	_	NNP
45179	431	22	g	g	NNP
45179	431	23	_	_	NNP
45179	431	24	.	.	.
45179	432	1	A	a	DT
45179	432	2	cord	cord	NN
45179	432	3	,	,	,
45179	432	4	link	link	NN
45179	432	5	,	,	,
45179	432	6	chain	chain	NN
45179	432	7	,	,	,
45179	432	8	or	or	CC
45179	432	9	delicate	delicate	JJ
45179	432	10	elastic	elastic	JJ
45179	432	11	spring	spring	NN
45179	432	12	,	,	,
45179	432	13	_	_	NNP
45179	432	14	i	i	PRP
45179	432	15	_	_	NNP
45179	432	16	,	,	,
45179	432	17	is	be	VBZ
45179	432	18	attached	attach	VBN
45179	432	19	to	to	IN
45179	432	20	the	the	DT
45179	432	21	lever	lever	NN
45179	432	22	_	_	NNP
45179	432	23	g	g	NNP
45179	432	24	_	_	NNP
45179	432	25	and	and	CC
45179	432	26	to	to	IN
45179	432	27	the	the	DT
45179	432	28	upper	upper	JJ
45179	432	29	part	part	NN
45179	432	30	of	of	IN
45179	432	31	the	the	DT
45179	432	32	long	long	JJ
45179	432	33	lever	lever	NN
45179	432	34	L	L	NNP
45179	432	35	,	,	,
45179	432	36	in	in	IN
45179	432	37	such	such	PDT
45179	432	38	a	a	DT
45179	432	39	manner	manner	NN
45179	432	40	that	that	IN
45179	432	41	when	when	WRB
45179	432	42	the	the	DT
45179	432	43	armature	armature	NN
45179	432	44	_	_	NNP
45179	432	45	m	m	NNP
45179	432	46	_	_	NNP
45179	432	47	,	,	,
45179	432	48	which	which	WDT
45179	432	49	is	be	VBZ
45179	432	50	attached	attach	VBN
45179	432	51	to	to	IN
45179	432	52	the	the	DT
45179	432	53	lever	lever	NN
45179	432	54	L	L	NNP
45179	432	55	,	,	,
45179	432	56	is	be	VBZ
45179	432	57	attracted	attract	VBN
45179	432	58	by	by	IN
45179	432	59	its	-PRON-	PRP$
45179	432	60	magnet	magnet	NN
45179	432	61	M	m	NN
45179	432	62	and	and	CC
45179	432	63	the	the	DT
45179	432	64	upper	upper	JJ
45179	432	65	part	part	NN
45179	432	66	of	of	IN
45179	432	67	said	say	VBD
45179	432	68	lever	lever	NNP
45179	432	69	L	L	NNP
45179	432	70	swings	swing	VBZ
45179	432	71	in	in	IN
45179	432	72	the	the	DT
45179	432	73	direction	direction	NN
45179	432	74	of	of	IN
45179	432	75	the	the	DT
45179	432	76	arrow	arrow	NN
45179	432	77	_	_	NNP
45179	432	78	z	z	NNP
45179	432	79	_	_	NNP
45179	432	80	,	,	,
45179	432	81	the	the	DT
45179	432	82	upper	upper	JJ
45179	432	83	part	part	NN
45179	432	84	of	of	IN
45179	432	85	the	the	DT
45179	432	86	segmental	segmental	JJ
45179	432	87	lever	lever	NN
45179	432	88	_	_	NNP
45179	432	89	g	g	NNP
45179	432	90	_	_	NNP
45179	432	91	moves	move	VBZ
45179	432	92	forward	forward	RB
45179	432	93	and	and	CC
45179	432	94	downward	downward	RB
45179	432	95	,	,	,
45179	432	96	thus	thus	RB
45179	432	97	permitting	permit	VBG
45179	432	98	the	the	DT
45179	432	99	chain	chain	NN
45179	432	100	_	_	NNP
45179	432	101	i	i	PRP
45179	432	102	_	_	NNP
45179	432	103	to	to	TO
45179	432	104	work	work	VB
45179	432	105	closer	close	RBR
45179	432	106	to	to	IN
45179	432	107	the	the	DT
45179	432	108	pivot	pivot	NN
45179	432	109	_	_	NNP
45179	432	110	f	f	NNP
45179	432	111	_	_	NNP
45179	432	112	.	.	.
45179	433	1	By	by	IN
45179	433	2	this	this	DT
45179	433	3	arrangement	arrangement	NN
45179	433	4	it	-PRON-	PRP
45179	433	5	will	will	MD
45179	433	6	be	be	VB
45179	433	7	seen	see	VBN
45179	433	8	that	that	IN
45179	433	9	the	the	DT
45179	433	10	greatest	great	JJS
45179	433	11	leverage	leverage	NN
45179	433	12	-	-	HYPH
45179	433	13	power	power	NN
45179	433	14	is	be	VBZ
45179	433	15	secured	secure	VBN
45179	433	16	for	for	IN
45179	433	17	moving	move	VBG
45179	433	18	the	the	DT
45179	433	19	signal	signal	NN
45179	433	20	when	when	WRB
45179	433	21	the	the	DT
45179	433	22	armature	armature	NN
45179	433	23	_	_	NNP
45179	433	24	m	m	NNP
45179	433	25	_	_	NNP
45179	433	26	is	be	VBZ
45179	433	27	the	the	DT
45179	433	28	greatest	great	JJS
45179	433	29	distance	distance	NN
45179	433	30	from	from	IN
45179	433	31	its	-PRON-	PRP$
45179	433	32	magnet	magnet	NN
45179	433	33	and	and	CC
45179	433	34	the	the	DT
45179	433	35	magnetic	magnetic	JJ
45179	433	36	force	force	NN
45179	433	37	is	be	VBZ
45179	433	38	consequently	consequently	RB
45179	433	39	weakest	weak	JJS
45179	433	40	,	,	,
45179	433	41	the	the	DT
45179	433	42	leverage	leverage	NN
45179	433	43	-	-	HYPH
45179	433	44	power	power	NN
45179	433	45	diminishing	diminish	VBG
45179	433	46	gradually	gradually	RB
45179	433	47	as	as	IN
45179	433	48	the	the	DT
45179	433	49	armature	armature	NN
45179	433	50	approaches	approach	VBZ
45179	433	51	the	the	DT
45179	433	52	magnet	magnet	NN
45179	433	53	.	.	.
45179	434	1	The	the	DT
45179	434	2	vertical	vertical	JJ
45179	434	3	lever	lever	NN
45179	434	4	L	L	NNP
45179	434	5	moves	move	VBZ
45179	434	6	on	on	IN
45179	434	7	a	a	DT
45179	434	8	horizontal	horizontal	JJ
45179	434	9	axis	axi	NNS
45179	434	10	,	,	,
45179	434	11	_	_	NNP
45179	434	12	f	f	NNP
45179	434	13	'	'	''
45179	434	14	_	_	NNP
45179	434	15	,	,	,
45179	434	16	and	and	CC
45179	434	17	is	be	VBZ
45179	434	18	prevented	prevent	VBN
45179	434	19	from	from	IN
45179	434	20	swinging	swinge	VBG
45179	434	21	too	too	RB
45179	434	22	far	far	RB
45179	434	23	back	back	RB
45179	434	24	from	from	IN
45179	434	25	the	the	DT
45179	434	26	magnet	magnet	NN
45179	434	27	by	by	IN
45179	434	28	the	the	DT
45179	434	29	adjustable	adjustable	JJ
45179	434	30	stop	stop	NN
45179	434	31	_	_	NNP
45179	434	32	s	s	POS
45179	434	33	_	_	NNP
45179	434	34	,	,	,
45179	434	35	which	which	WDT
45179	434	36	may	may	MD
45179	434	37	be	be	VB
45179	434	38	so	so	RB
45179	434	39	adjusted	adjusted	JJ
45179	434	40	as	as	IN
45179	434	41	to	to	TO
45179	434	42	bring	bring	VB
45179	434	43	the	the	DT
45179	434	44	armature	armature	NN
45179	434	45	_	_	NNP
45179	434	46	m	m	NNP
45179	434	47	_	_	NNP
45179	434	48	a	a	DT
45179	434	49	greater	great	JJR
45179	434	50	or	or	CC
45179	434	51	less	less	JJR
45179	434	52	distance	distance	NN
45179	434	53	from	from	IN
45179	434	54	its	-PRON-	PRP$
45179	434	55	magnet	magnet	NN
45179	434	56	M	m	NN
45179	434	57	,	,	,
45179	434	58	as	as	IN
45179	434	59	may	may	MD
45179	434	60	be	be	VB
45179	434	61	found	find	VBN
45179	434	62	necessary	necessary	JJ
45179	434	63	.	.	.
45179	435	1	The	the	DT
45179	435	2	levers	lever	NNS
45179	435	3	L	L	NNP
45179	435	4	and	and	CC
45179	435	5	_	_	NNP
45179	435	6	e	e	NNP
45179	435	7	_	_	NNP
45179	435	8	may	may	MD
45179	435	9	be	be	VB
45179	435	10	made	make	VBN
45179	435	11	of	of	IN
45179	435	12	any	any	DT
45179	435	13	suitable	suitable	JJ
45179	435	14	material	material	NN
45179	435	15	and	and	CC
45179	435	16	in	in	IN
45179	435	17	any	any	DT
45179	435	18	manner	manner	NN
45179	435	19	;	;	:
45179	435	20	but	but	CC
45179	435	21	are	be	VBP
45179	435	22	preferably	preferably	RB
45179	435	23	constructed	construct	VBN
45179	435	24	of	of	IN
45179	435	25	thin	thin	JJ
45179	435	26	tubular	tubular	JJ
45179	435	27	metal	metal	NN
45179	435	28	for	for	IN
45179	435	29	the	the	DT
45179	435	30	purpose	purpose	NN
45179	435	31	of	of	IN
45179	435	32	securing	secure	VBG
45179	435	33	great	great	JJ
45179	435	34	strength	strength	NN
45179	435	35	and	and	CC
45179	435	36	rigidity	rigidity	NN
45179	435	37	with	with	IN
45179	435	38	minimum	minimum	JJ
45179	435	39	weight	weight	NN
45179	435	40	and	and	CC
45179	435	41	friction	friction	NN
45179	435	42	of	of	IN
45179	435	43	parts	part	NNS
45179	435	44	.	.	.
45179	436	1	Furthermore	furthermore	RB
45179	436	2	,	,	,
45179	436	3	the	the	DT
45179	436	4	disk	disk	NN
45179	436	5	S	S	NNP
45179	436	6	is	be	VBZ
45179	436	7	counterbalanced	counterbalance	VBN
45179	436	8	by	by	IN
45179	436	9	an	an	DT
45179	436	10	adjustable	adjustable	JJ
45179	436	11	weight	weight	NN
45179	436	12	,	,	,
45179	436	13	_	_	NNP
45179	436	14	w	w	NNP
45179	436	15	_	_	NNP
45179	436	16	,	,	,
45179	436	17	and	and	CC
45179	436	18	by	by	IN
45179	436	19	making	make	VBG
45179	436	20	that	that	DT
45179	436	21	part	part	NN
45179	436	22	of	of	IN
45179	436	23	the	the	DT
45179	436	24	lever	lever	NN
45179	436	25	_	_	NNP
45179	436	26	e	e	NNP
45179	436	27	_	_	NNP
45179	436	28	embraced	embrace	VBD
45179	436	29	between	between	IN
45179	436	30	the	the	DT
45179	436	31	pivot	pivot	NN
45179	436	32	_	_	NNP
45179	436	33	f	f	NNP
45179	436	34	_	_	NNP
45179	436	35	and	and	CC
45179	436	36	the	the	DT
45179	436	37	disk	disk	NN
45179	436	38	S	s	NN
45179	436	39	of	of	IN
45179	436	40	considerable	considerable	JJ
45179	436	41	length	length	NN
45179	436	42	,	,	,
45179	436	43	the	the	DT
45179	436	44	disk	disk	NN
45179	436	45	S	S	NNP
45179	436	46	is	be	VBZ
45179	436	47	brought	bring	VBN
45179	436	48	from	from	IN
45179	436	49	a	a	DT
45179	436	50	state	state	NN
45179	436	51	of	of	IN
45179	436	52	concealment	concealment	JJ
45179	436	53	to	to	IN
45179	436	54	a	a	DT
45179	436	55	state	state	NN
45179	436	56	of	of	IN
45179	436	57	exposure	exposure	NN
45179	436	58	,	,	,
45179	436	59	or	or	CC
45179	436	60	the	the	DT
45179	436	61	reverse	reverse	NN
45179	436	62	,	,	,
45179	436	63	by	by	IN
45179	436	64	passing	pass	VBG
45179	436	65	through	through	IN
45179	436	66	a	a	DT
45179	436	67	comparatively	comparatively	RB
45179	436	68	small	small	JJ
45179	436	69	angle	angle	NN
45179	436	70	,	,	,
45179	436	71	and	and	CC
45179	436	72	by	by	IN
45179	436	73	arranging	arrange	VBG
45179	436	74	the	the	DT
45179	436	75	disk	disk	NN
45179	436	76	-	-	HYPH
45179	436	77	lever	lever	NN
45179	436	78	_	_	NNP
45179	436	79	e	e	NNP
45179	436	80	_	_	NNP
45179	436	81	,	,	,
45179	436	82	as	as	IN
45179	436	83	shown	show	VBN
45179	436	84	in	in	IN
45179	436	85	the	the	DT
45179	436	86	drawing	drawing	NN
45179	436	87	,	,	,
45179	436	88	in	in	IN
45179	436	89	such	such	PDT
45179	436	90	a	a	DT
45179	436	91	manner	manner	NN
45179	436	92	that	that	IN
45179	436	93	in	in	IN
45179	436	94	bringing	bring	VBG
45179	436	95	the	the	DT
45179	436	96	disk	disk	NN
45179	436	97	from	from	IN
45179	436	98	a	a	DT
45179	436	99	state	state	NN
45179	436	100	of	of	IN
45179	436	101	concealment	concealment	JJ
45179	436	102	to	to	IN
45179	436	103	a	a	DT
45179	436	104	state	state	NN
45179	436	105	of	of	IN
45179	436	106	exposure	exposure	NN
45179	436	107	,	,	,
45179	436	108	or	or	CC
45179	436	109	the	the	DT
45179	436	110	reverse	reverse	NN
45179	436	111	,	,	,
45179	436	112	said	say	VBD
45179	436	113	lever	lever	NNP
45179	436	114	_	_	NNP
45179	436	115	e	e	NNP
45179	436	116	_	_	NNP
45179	436	117	shall	shall	MD
45179	436	118	swing	swing	VB
45179	436	119	to	to	IN
45179	436	120	and	and	CC
45179	436	121	beyond	beyond	IN
45179	436	122	a	a	DT
45179	436	123	horizontal	horizontal	JJ
45179	436	124	position	position	NN
45179	436	125	,	,	,
45179	436	126	the	the	DT
45179	436	127	greatest	great	JJS
45179	436	128	uniformity	uniformity	NN
45179	436	129	of	of	IN
45179	436	130	motion	motion	NN
45179	436	131	with	with	IN
45179	436	132	the	the	DT
45179	436	133	least	least	JJS
45179	436	134	possible	possible	JJ
45179	436	135	loss	loss	NN
45179	436	136	of	of	IN
45179	436	137	power	power	NN
45179	436	138	are	be	VBP
45179	436	139	secured	secure	VBN
45179	436	140	.	.	.
45179	437	1	Having	have	VBG
45179	437	2	thus	thus	RB
45179	437	3	described	describe	VBN
45179	437	4	the	the	DT
45179	437	5	construction	construction	NN
45179	437	6	of	of	IN
45179	437	7	the	the	DT
45179	437	8	visual	visual	JJ
45179	437	9	signal	signal	NN
45179	437	10	G	g	NN
45179	437	11	,	,	,
45179	437	12	it	-PRON-	PRP
45179	437	13	will	will	MD
45179	437	14	be	be	VB
45179	437	15	seen	see	VBN
45179	437	16	that	that	IN
45179	437	17	when	when	WRB
45179	437	18	the	the	DT
45179	437	19	electro	electro	JJ
45179	437	20	-	-	HYPH
45179	437	21	magnet	magnet	NN
45179	437	22	M	M	NNP
45179	437	23	is	be	VBZ
45179	437	24	charged	charge	VBN
45179	437	25	it	-PRON-	PRP
45179	437	26	attracts	attract	VBZ
45179	437	27	the	the	DT
45179	437	28	armature	armature	NN
45179	437	29	_	_	NNP
45179	437	30	m	m	NNP
45179	437	31	_	_	NNP
45179	437	32	to	to	IN
45179	437	33	itself	-PRON-	PRP
45179	437	34	,	,	,
45179	437	35	thus	thus	RB
45179	437	36	swinging	swinge	VBG
45179	437	37	the	the	DT
45179	437	38	upper	upper	JJ
45179	437	39	end	end	NN
45179	437	40	of	of	IN
45179	437	41	the	the	DT
45179	437	42	lever	lever	NN
45179	437	43	L	L	NNP
45179	437	44	in	in	IN
45179	437	45	the	the	DT
45179	437	46	direction	direction	NN
45179	437	47	of	of	IN
45179	437	48	the	the	DT
45179	437	49	arrow	arrow	NN
45179	437	50	_	_	NNP
45179	437	51	z	z	NNP
45179	437	52	_	_	NNP
45179	437	53	,	,	,
45179	437	54	and	and	CC
45179	437	55	carrying	carry	VBG
45179	437	56	the	the	DT
45179	437	57	upper	upper	JJ
45179	437	58	end	end	NN
45179	437	59	of	of	IN
45179	437	60	the	the	DT
45179	437	61	lever	lever	NN
45179	437	62	_	_	NNP
45179	437	63	g	g	NNP
45179	437	64	_	_	NNP
45179	437	65	forward	forward	RB
45179	437	66	,	,	,
45179	437	67	at	at	IN
45179	437	68	the	the	DT
45179	437	69	same	same	JJ
45179	437	70	time	time	NN
45179	437	71	turning	turn	VBG
45179	437	72	the	the	DT
45179	437	73	same	same	JJ
45179	437	74	together	together	RB
45179	437	75	with	with	IN
45179	437	76	the	the	DT
45179	437	77	lever	lever	NN
45179	437	78	_	_	NNP
45179	437	79	e	e	NNP
45179	437	80	_	_	NNP
45179	437	81	on	on	IN
45179	437	82	the	the	DT
45179	437	83	axis	axis	NN
45179	437	84	_	_	NNP
45179	437	85	f	f	NNP
45179	437	86	_	_	NNP
45179	437	87	,	,	,
45179	437	88	and	and	CC
45179	437	89	carrying	carry	VBG
45179	437	90	the	the	DT
45179	437	91	disk	disk	NN
45179	437	92	S	s	NN
45179	437	93	down	down	RP
45179	437	94	into	into	IN
45179	437	95	the	the	DT
45179	437	96	position	position	NN
45179	437	97	indicated	indicate	VBN
45179	437	98	in	in	IN
45179	437	99	dotted	dotted	JJ
45179	437	100	outline	outline	NN
45179	437	101	.	.	.
45179	438	1	Now	now	RB
45179	438	2	connect	connect	VB
45179	438	3	one	one	CD
45179	438	4	pole	pole	NN
45179	438	5	of	of	IN
45179	438	6	the	the	DT
45179	438	7	battery	battery	NN
45179	438	8	B	B	NNP
45179	438	9	with	with	IN
45179	438	10	the	the	DT
45179	438	11	rails	rail	NNS
45179	438	12	_	_	NNP
45179	438	13	a	a	DT
45179	438	14	_	_	NNP
45179	438	15	and	and	CC
45179	438	16	_	_	NNP
45179	438	17	c	c	NNP
45179	438	18	_	_	NNP
45179	438	19	,	,	,
45179	438	20	and	and	CC
45179	438	21	the	the	DT
45179	438	22	other	other	JJ
45179	438	23	pole	pole	NN
45179	438	24	with	with	IN
45179	438	25	the	the	DT
45179	438	26	rails	rail	NNS
45179	438	27	_	_	NNP
45179	438	28	b	b	NNP
45179	438	29	_	_	NNP
45179	438	30	and	and	CC
45179	438	31	_	_	NNP
45179	438	32	d	d	NNP
45179	438	33	_	_	NNP
45179	438	34	of	of	IN
45179	438	35	the	the	DT
45179	438	36	sections	section	NNS
45179	438	37	C	C	NNP
45179	438	38	and	and	CC
45179	438	39	C	C	NNP
45179	438	40	'	'	''
45179	438	41	by	by	IN
45179	438	42	means	mean	NNS
45179	438	43	of	of	IN
45179	438	44	the	the	DT
45179	438	45	wires	wire	NNS
45179	438	46	_	_	NNP
45179	438	47	k	k	NNP
45179	438	48	_	_	NNP
45179	438	49	and	and	CC
45179	438	50	_	_	NNP
45179	438	51	k	k	NNP
45179	438	52	'	'	''
45179	438	53	_	_	NNP
45179	438	54	,	,	,
45179	438	55	respectively	respectively	RB
45179	438	56	.	.	.
45179	439	1	In	in	IN
45179	439	2	like	like	JJ
45179	439	3	manner	manner	NN
45179	439	4	connect	connect	VB
45179	439	5	the	the	DT
45179	439	6	ends	end	NNS
45179	439	7	of	of	IN
45179	439	8	the	the	DT
45179	439	9	coils	coil	NNS
45179	439	10	of	of	IN
45179	439	11	the	the	DT
45179	439	12	magnet	magnet	NN
45179	439	13	M	m	NN
45179	439	14	,	,	,
45179	439	15	the	the	DT
45179	439	16	one	one	CD
45179	439	17	end	end	NN
45179	439	18	with	with	IN
45179	439	19	the	the	DT
45179	439	20	rails	rail	NNS
45179	439	21	_	_	NNP
45179	439	22	a	a	DT
45179	439	23	_	_	NNP
45179	439	24	and	and	CC
45179	439	25	_	_	NNP
45179	439	26	c	c	NNP
45179	439	27	_	_	NNP
45179	439	28	and	and	CC
45179	439	29	the	the	DT
45179	439	30	other	other	JJ
45179	439	31	end	end	NN
45179	439	32	with	with	IN
45179	439	33	the	the	DT
45179	439	34	rails	rail	NNS
45179	439	35	_	_	NNP
45179	439	36	b	b	NNP
45179	439	37	_	_	NNP
45179	439	38	and	and	CC
45179	439	39	_	_	NNP
45179	439	40	d	d	NNP
45179	439	41	_	_	NNP
45179	439	42	of	of	IN
45179	439	43	the	the	DT
45179	439	44	same	same	JJ
45179	439	45	sections	section	NNS
45179	439	46	C	C	NNP
45179	439	47	and	and	CC
45179	439	48	C	C	NNP
45179	439	49	'	'	''
45179	439	50	by	by	IN
45179	439	51	the	the	DT
45179	439	52	wires	wire	NNS
45179	439	53	_	_	NNP
45179	439	54	l	l	NNP
45179	439	55	_	_	NNP
45179	439	56	and	and	CC
45179	439	57	_	_	NNP
45179	439	58	l	l	NNP
45179	439	59	'	'	``
45179	439	60	_	_	NNP
45179	439	61	,	,	,
45179	439	62	as	as	IN
45179	439	63	shown	show	VBN
45179	439	64	in	in	IN
45179	439	65	the	the	DT
45179	439	66	drawing	drawing	NN
45179	439	67	,	,	,
45179	439	68	and	and	CC
45179	439	69	the	the	DT
45179	439	70	apparatus	apparatus	NN
45179	439	71	is	be	VBZ
45179	439	72	operative	operative	JJ
45179	439	73	.	.	.
45179	440	1	The	the	DT
45179	440	2	wires	wire	NNS
45179	440	3	from	from	IN
45179	440	4	the	the	DT
45179	440	5	battery	battery	NN
45179	440	6	and	and	CC
45179	440	7	the	the	DT
45179	440	8	signal	signal	NN
45179	440	9	to	to	IN
45179	440	10	the	the	DT
45179	440	11	track	track	NN
45179	440	12	are	be	VBP
45179	440	13	preferably	preferably	RB
45179	440	14	insulated	insulated	JJ
45179	440	15	.	.	.
45179	441	1	Before	before	IN
45179	441	2	describing	describe	VBG
45179	441	3	the	the	DT
45179	441	4	operation	operation	NN
45179	441	5	of	of	IN
45179	441	6	the	the	DT
45179	441	7	apparatus	apparatus	NN
45179	441	8	as	as	IN
45179	441	9	a	a	DT
45179	441	10	whole	whole	NN
45179	441	11	,	,	,
45179	441	12	it	-PRON-	PRP
45179	441	13	may	may	MD
45179	441	14	be	be	VB
45179	441	15	stated	state	VBN
45179	441	16	that	that	IN
45179	441	17	the	the	DT
45179	441	18	electric	electric	JJ
45179	441	19	current	current	NN
45179	441	20	will	will	MD
45179	441	21	follow	follow	VB
45179	441	22	a	a	DT
45179	441	23	naked	naked	JJ
45179	441	24	metallic	metallic	JJ
45179	441	25	conductor	conductor	NN
45179	441	26	if	if	IN
45179	441	27	of	of	IN
45179	441	28	sufficient	sufficient	JJ
45179	441	29	surface	surface	NN
45179	441	30	,	,	,
45179	441	31	even	even	RB
45179	441	32	when	when	WRB
45179	441	33	immersed	immerse	VBN
45179	441	34	in	in	IN
45179	441	35	a	a	DT
45179	441	36	river	river	NN
45179	441	37	or	or	CC
45179	441	38	in	in	IN
45179	441	39	the	the	DT
45179	441	40	mud	mud	NN
45179	441	41	at	at	IN
45179	441	42	the	the	DT
45179	441	43	bottom	bottom	NN
45179	441	44	of	of	IN
45179	441	45	a	a	DT
45179	441	46	river	river	NN
45179	441	47	,	,	,
45179	441	48	because	because	IN
45179	441	49	the	the	DT
45179	441	50	metal	metal	NN
45179	441	51	offers	offer	VBZ
45179	441	52	less	less	JJR
45179	441	53	resistance	resistance	NN
45179	441	54	to	to	IN
45179	441	55	its	-PRON-	PRP$
45179	441	56	passage	passage	NN
45179	441	57	than	than	IN
45179	441	58	either	either	DT
45179	441	59	water	water	NN
45179	441	60	or	or	CC
45179	441	61	mud	mud	NN
45179	441	62	.	.	.
45179	442	1	Much	much	RB
45179	442	2	more	more	JJR
45179	442	3	will	will	MD
45179	442	4	it	-PRON-	PRP
45179	442	5	follow	follow	VB
45179	442	6	the	the	DT
45179	442	7	rails	rail	NNS
45179	442	8	of	of	IN
45179	442	9	a	a	DT
45179	442	10	railroad	railroad	NN
45179	442	11	track	track	NN
45179	442	12	when	when	WRB
45179	442	13	they	-PRON-	PRP
45179	442	14	are	be	VBP
45179	442	15	made	make	VBN
45179	442	16	a	a	DT
45179	442	17	part	part	NN
45179	442	18	of	of	IN
45179	442	19	the	the	DT
45179	442	20	circuit	circuit	NN
45179	442	21	,	,	,
45179	442	22	since	since	IN
45179	442	23	the	the	DT
45179	442	24	rails	rail	NNS
45179	442	25	present	present	VBP
45179	442	26	a	a	DT
45179	442	27	large	large	JJ
45179	442	28	surface	surface	NN
45179	442	29	of	of	IN
45179	442	30	good	good	JJ
45179	442	31	conducting	conducting	NN
45179	442	32	material	material	NN
45179	442	33	,	,	,
45179	442	34	which	which	WDT
45179	442	35	offers	offer	VBZ
45179	442	36	much	much	RB
45179	442	37	less	less	JJR
45179	442	38	resistance	resistance	NN
45179	442	39	to	to	IN
45179	442	40	its	-PRON-	PRP$
45179	442	41	passage	passage	NN
45179	442	42	than	than	IN
45179	442	43	any	any	DT
45179	442	44	surrounding	surround	VBG
45179	442	45	mediums	medium	NNS
45179	442	46	;	;	:
45179	442	47	and	and	CC
45179	442	48	it	-PRON-	PRP
45179	442	49	is	be	VBZ
45179	442	50	well	well	RB
45179	442	51	known	know	VBN
45179	442	52	that	that	IN
45179	442	53	when	when	WRB
45179	442	54	several	several	JJ
45179	442	55	courses	course	NNS
45179	442	56	are	be	VBP
45179	442	57	presented	present	VBN
45179	442	58	the	the	DT
45179	442	59	electric	electric	JJ
45179	442	60	current	current	NN
45179	442	61	will	will	MD
45179	442	62	follow	follow	VB
45179	442	63	that	that	DT
45179	442	64	course	course	NN
45179	442	65	which	which	WDT
45179	442	66	offers	offer	VBZ
45179	442	67	least	least	JJS
45179	442	68	resistance	resistance	NN
45179	442	69	to	to	IN
45179	442	70	its	-PRON-	PRP$
45179	442	71	passage	passage	NN
45179	442	72	.	.	.
45179	443	1	The	the	DT
45179	443	2	mode	mode	NN
45179	443	3	of	of	IN
45179	443	4	operation	operation	NN
45179	443	5	is	be	VBZ
45179	443	6	as	as	IN
45179	443	7	follows	follow	VBZ
45179	443	8	:	:	:
45179	443	9	Suppose	suppose	VB
45179	443	10	the	the	DT
45179	443	11	sections	section	NNS
45179	443	12	C	c	NN
45179	443	13	and	and	CC
45179	443	14	C	C	NNP
45179	443	15	'	'	''
45179	443	16	to	to	TO
45179	443	17	be	be	VB
45179	443	18	entirely	entirely	RB
45179	443	19	clear	clear	JJ
45179	443	20	of	of	IN
45179	443	21	cars	car	NNS
45179	443	22	;	;	:
45179	443	23	then	then	RB
45179	443	24	the	the	DT
45179	443	25	electric	electric	JJ
45179	443	26	current	current	NN
45179	443	27	from	from	IN
45179	443	28	the	the	DT
45179	443	29	positive	positive	JJ
45179	443	30	pole	pole	NN
45179	443	31	P	p	NN
45179	443	32	of	of	IN
45179	443	33	the	the	DT
45179	443	34	battery	battery	NN
45179	443	35	B	B	NNP
45179	443	36	will	will	MD
45179	443	37	pass	pass	VB
45179	443	38	as	as	RB
45179	443	39	indicated	indicate	VBN
45179	443	40	by	by	IN
45179	443	41	the	the	DT
45179	443	42	arrows	arrow	NNS
45179	443	43	_	_	NNP
45179	443	44	x	x	NNP
45179	443	45	x	x	NNP
45179	443	46	_	_	NNP
45179	443	47	,	,	,
45179	443	48	through	through	IN
45179	443	49	the	the	DT
45179	443	50	wire	wire	NN
45179	443	51	_	_	IN
45179	443	52	k	k	NNP
45179	443	53	'	'	''
45179	443	54	_	_	NNP
45179	443	55	,	,	,
45179	443	56	rail	rail	NN
45179	443	57	_	_	NNP
45179	443	58	b	b	NNP
45179	443	59	_	_	NNP
45179	443	60	,	,	,
45179	443	61	wire	wire	NN
45179	443	62	_	_	NNP
45179	443	63	l	l	NNP
45179	443	64	'	'	``
45179	443	65	_	_	NNP
45179	443	66	,	,	,
45179	443	67	and	and	CC
45179	443	68	magnet	magnet	NN
45179	443	69	M	m	NN
45179	443	70	,	,	,
45179	443	71	charging	charge	VBG
45179	443	72	the	the	DT
45179	443	73	same	same	JJ
45179	443	74	,	,	,
45179	443	75	and	and	CC
45179	443	76	return	return	VB
45179	443	77	through	through	IN
45179	443	78	the	the	DT
45179	443	79	wire	wire	NN
45179	443	80	_	_	NNP
45179	443	81	l	l	NNP
45179	443	82	_	_	NNP
45179	443	83	,	,	,
45179	443	84	rail	rail	NN
45179	443	85	_	_	NNP
45179	443	86	a	a	DT
45179	443	87	_	_	NNP
45179	443	88	,	,	,
45179	443	89	and	and	CC
45179	443	90	wire	wire	NN
45179	443	91	_	_	NNP
45179	443	92	k	k	NNP
45179	443	93	_	_	NNP
45179	443	94	,	,	,
45179	443	95	as	as	IN
45179	443	96	indicated	indicate	VBN
45179	443	97	by	by	IN
45179	443	98	the	the	DT
45179	443	99	arrows	arrow	NNS
45179	443	100	_	_	NNP
45179	443	101	y	y	NNP
45179	443	102	'	'	''
45179	443	103	y	y	NNP
45179	443	104	_	_	NNP
45179	443	105	,	,	,
45179	443	106	to	to	IN
45179	443	107	the	the	DT
45179	443	108	negative	negative	JJ
45179	443	109	pole	pole	NNP
45179	443	110	N	N	NNP
45179	443	111	of	of	IN
45179	443	112	the	the	DT
45179	443	113	battery	battery	NN
45179	443	114	.	.	.
45179	444	1	The	the	DT
45179	444	2	magnet	magnet	NN
45179	444	3	M	m	NN
45179	444	4	,	,	,
45179	444	5	being	be	VBG
45179	444	6	thus	thus	RB
45179	444	7	charged	charge	VBN
45179	444	8	,	,	,
45179	444	9	attracts	attract	VBZ
45179	444	10	its	-PRON-	PRP$
45179	444	11	armature	armature	NN
45179	444	12	and	and	CC
45179	444	13	swings	swing	VBZ
45179	444	14	the	the	DT
45179	444	15	signal	signal	JJ
45179	444	16	-	-	HYPH
45179	444	17	disk	disk	NN
45179	444	18	S	s	NN
45179	444	19	into	into	IN
45179	444	20	the	the	DT
45179	444	21	position	position	NN
45179	444	22	of	of	IN
45179	444	23	concealment	concealment	JJ
45179	444	24	shown	show	VBN
45179	444	25	in	in	IN
45179	444	26	dotted	dotted	JJ
45179	444	27	outline	outline	NN
45179	444	28	,	,	,
45179	444	29	and	and	CC
45179	444	30	holds	hold	VBZ
45179	444	31	it	-PRON-	PRP
45179	444	32	in	in	IN
45179	444	33	that	that	DT
45179	444	34	position	position	NN
45179	444	35	as	as	RB
45179	444	36	long	long	RB
45179	444	37	as	as	IN
45179	444	38	the	the	DT
45179	444	39	sections	section	NNS
45179	444	40	C	c	NN
45179	444	41	C	C	NNP
45179	444	42	'	'	''
45179	444	43	are	be	VBP
45179	444	44	clear	clear	JJ
45179	444	45	.	.	.
45179	445	1	Now	now	RB
45179	445	2	let	let	VB
45179	445	3	a	a	DT
45179	445	4	train	train	NN
45179	445	5	enter	enter	VB
45179	445	6	upon	upon	IN
45179	445	7	C	C	NNP
45179	445	8	or	or	CC
45179	445	9	C	C	NNP
45179	445	10	'	'	''
45179	445	11	,	,	,
45179	445	12	as	as	IN
45179	445	13	indicated	indicate	VBN
45179	445	14	at	at	IN
45179	445	15	H	h	NN
45179	445	16	C	C	NNP
45179	445	17	'	'	''
45179	445	18	,	,	,
45179	445	19	and	and	CC
45179	445	20	the	the	DT
45179	445	21	wheels	wheel	NNS
45179	445	22	and	and	CC
45179	445	23	axles	axle	NNS
45179	445	24	of	of	IN
45179	445	25	the	the	DT
45179	445	26	same	same	JJ
45179	445	27	will	will	MD
45179	445	28	bridge	bridge	VB
45179	445	29	over	over	IN
45179	445	30	the	the	DT
45179	445	31	rails	rail	NNS
45179	445	32	_	_	NNP
45179	445	33	c	c	NNP
45179	445	34	_	_	NNP
45179	445	35	and	and	CC
45179	445	36	_	_	NNP
45179	445	37	d	d	NNP
45179	445	38	_	_	NNP
45179	445	39	,	,	,
45179	445	40	and	and	CC
45179	445	41	thus	thus	RB
45179	445	42	,	,	,
45179	445	43	by	by	IN
45179	445	44	offering	offer	VBG
45179	445	45	a	a	DT
45179	445	46	large	large	JJ
45179	445	47	conducting	conducting	NN
45179	445	48	-	-	HYPH
45179	445	49	surface	surface	NN
45179	445	50	,	,	,
45179	445	51	will	will	MD
45179	445	52	present	present	VB
45179	445	53	to	to	IN
45179	445	54	the	the	DT
45179	445	55	electric	electric	JJ
45179	445	56	current	current	NN
45179	445	57	a	a	DT
45179	445	58	complete	complete	JJ
45179	445	59	circuit	circuit	NN
45179	445	60	,	,	,
45179	445	61	which	which	WDT
45179	445	62	offers	offer	VBZ
45179	445	63	much	much	RB
45179	445	64	less	less	JJR
45179	445	65	resistance	resistance	NN
45179	445	66	to	to	IN
45179	445	67	its	-PRON-	PRP$
45179	445	68	passage	passage	NN
45179	445	69	than	than	IN
45179	445	70	that	that	DT
45179	445	71	through	through	IN
45179	445	72	the	the	DT
45179	445	73	magnet	magnet	NN
45179	445	74	M.	m.	NN
45179	445	75	The	the	DT
45179	445	76	electricity	electricity	NN
45179	445	77	now	now	RB
45179	445	78	takes	take	VBZ
45179	445	79	the	the	DT
45179	445	80	course	course	NN
45179	445	81	over	over	IN
45179	445	82	the	the	DT
45179	445	83	wire	wire	NN
45179	445	84	_	_	IN
45179	445	85	k	k	NNP
45179	445	86	'	'	''
45179	445	87	_	_	NNP
45179	445	88	,	,	,
45179	445	89	rail	rail	NN
45179	445	90	_	_	NNP
45179	445	91	d	d	NNP
45179	445	92	_	_	NNP
45179	445	93	,	,	,
45179	445	94	wheels	wheel	NNS
45179	445	95	and	and	CC
45179	445	96	axle	axle	NN
45179	445	97	H	h	NN
45179	445	98	,	,	,
45179	445	99	returning	return	VBG
45179	445	100	,	,	,
45179	445	101	by	by	IN
45179	445	102	the	the	DT
45179	445	103	rail	rail	NN
45179	445	104	_	_	NNP
45179	445	105	c	c	NNP
45179	445	106	_	_	NNP
45179	445	107	and	and	CC
45179	445	108	wire	wire	NN
45179	445	109	_	_	NNP
45179	445	110	k	k	NNP
45179	445	111	_	_	NNP
45179	445	112	,	,	,
45179	445	113	to	to	IN
45179	445	114	the	the	DT
45179	445	115	battery	battery	NN
45179	445	116	,	,	,
45179	445	117	as	as	IN
45179	445	118	indicated	indicate	VBN
45179	445	119	by	by	IN
45179	445	120	the	the	DT
45179	445	121	arrows	arrow	NNS
45179	445	122	_	_	NNP
45179	445	123	x	x	NNP
45179	445	124	x	x	NNP
45179	445	125	'	'	''
45179	445	126	y	y	NNP
45179	445	127	_	_	NNP
45179	445	128	,	,	,
45179	445	129	using	use	VBG
45179	445	130	the	the	DT
45179	445	131	rails	rail	NNS
45179	445	132	_	_	NNP
45179	445	133	c	c	NNP
45179	445	134	_	_	NNP
45179	445	135	and	and	CC
45179	445	136	_	_	NNP
45179	445	137	d	d	NNP
45179	445	138	_	_	NNP
45179	445	139	,	,	,
45179	445	140	as	as	IN
45179	445	141	will	will	MD
45179	445	142	be	be	VB
45179	445	143	seen	see	VBN
45179	445	144	,	,	,
45179	445	145	with	with	IN
45179	445	146	their	-PRON-	PRP$
45179	445	147	bridge	bridge	NN
45179	445	148	,	,	,
45179	445	149	and	and	CC
45179	445	150	entirely	entirely	RB
45179	445	151	avoiding	avoid	VBG
45179	445	152	the	the	DT
45179	445	153	magnet	magnet	NN
45179	445	154	M	M	NNP
45179	445	155	,	,	,
45179	445	156	which	which	WDT
45179	445	157	,	,	,
45179	445	158	being	be	VBG
45179	445	159	thus	thus	RB
45179	445	160	demagnetized	demagnetize	VBN
45179	445	161	,	,	,
45179	445	162	lets	let	VBZ
45179	445	163	go	go	VB
45179	445	164	its	-PRON-	PRP$
45179	445	165	armature	armature	NN
45179	445	166	,	,	,
45179	445	167	and	and	CC
45179	445	168	the	the	DT
45179	445	169	counterpoise	counterpoise	NN
45179	445	170	_	_	NNP
45179	445	171	w	w	NNP
45179	445	172	_	_	NNP
45179	445	173	,	,	,
45179	445	174	which	which	WDT
45179	445	175	slightly	slightly	RB
45179	445	176	overbalances	overbalance	VBZ
45179	445	177	the	the	DT
45179	445	178	disk	disk	NN
45179	445	179	S	s	NN
45179	445	180	,	,	,
45179	445	181	carries	carry	VBZ
45179	445	182	the	the	DT
45179	445	183	same	same	JJ
45179	445	184	up	up	RP
45179	445	185	in	in	IN
45179	445	186	front	front	NN
45179	445	187	of	of	IN
45179	445	188	the	the	DT
45179	445	189	orifice	orifice	NN
45179	445	190	,	,	,
45179	445	191	into	into	IN
45179	445	192	a	a	DT
45179	445	193	position	position	NN
45179	445	194	of	of	IN
45179	445	195	exposure	exposure	NN
45179	445	196	,	,	,
45179	445	197	where	where	WRB
45179	445	198	it	-PRON-	PRP
45179	445	199	remains	remain	VBZ
45179	445	200	,	,	,
45179	445	201	as	as	IN
45179	445	202	shown	show	VBN
45179	445	203	,	,	,
45179	445	204	while	while	IN
45179	445	205	a	a	DT
45179	445	206	train	train	NN
45179	445	207	is	be	VBZ
45179	445	208	on	on	IN
45179	445	209	section	section	NN
45179	445	210	C	C	NNP
45179	445	211	or	or	CC
45179	445	212	C	C	NNP
45179	445	213	'	'	''
45179	445	214	.	.	.
45179	446	1	When	when	WRB
45179	446	2	,	,	,
45179	446	3	however	however	RB
45179	446	4	,	,	,
45179	446	5	the	the	DT
45179	446	6	train	train	NN
45179	446	7	has	have	VBZ
45179	446	8	run	run	VBN
45179	446	9	off	off	RP
45179	446	10	,	,	,
45179	446	11	leaving	leave	VBG
45179	446	12	sections	section	NNS
45179	446	13	C	C	NNP
45179	446	14	and	and	CC
45179	446	15	C	C	NNP
45179	446	16	'	'	''
45179	446	17	clear	clear	JJ
45179	446	18	,	,	,
45179	446	19	the	the	DT
45179	446	20	magnet	magnet	NN
45179	446	21	M	m	NN
45179	446	22	is	be	VBZ
45179	446	23	instantly	instantly	RB
45179	446	24	charged	charge	VBN
45179	446	25	again	again	RB
45179	446	26	and	and	CC
45179	446	27	the	the	DT
45179	446	28	signal	signal	JJ
45179	446	29	-	-	HYPH
45179	446	30	disk	disk	NN
45179	446	31	is	be	VBZ
45179	446	32	removed	remove	VBN
45179	446	33	and	and	CC
45179	446	34	kept	keep	VBN
45179	446	35	concealed	conceal	VBN
45179	446	36	until	until	IN
45179	446	37	the	the	DT
45179	446	38	track	track	NN
45179	446	39	is	be	VBZ
45179	446	40	again	again	RB
45179	446	41	blocked	block	VBN
45179	446	42	by	by	IN
45179	446	43	the	the	DT
45179	446	44	presence	presence	NN
45179	446	45	of	of	IN
45179	446	46	another	another	DT
45179	446	47	train	train	NN
45179	446	48	,	,	,
45179	446	49	when	when	WRB
45179	446	50	the	the	DT
45179	446	51	same	same	JJ
45179	446	52	process	process	NN
45179	446	53	is	be	VBZ
45179	446	54	repeated	repeat	VBN
45179	446	55	.	.	.
45179	447	1	When	when	WRB
45179	447	2	the	the	DT
45179	447	3	signal	signal	JJ
45179	447	4	-	-	HYPH
45179	447	5	disk	disk	NN
45179	447	6	is	be	VBZ
45179	447	7	in	in	IN
45179	447	8	a	a	DT
45179	447	9	position	position	NN
45179	447	10	of	of	IN
45179	447	11	exposure	exposure	NN
45179	447	12	,	,	,
45179	447	13	as	as	IN
45179	447	14	shown	show	VBN
45179	447	15	,	,	,
45179	447	16	the	the	DT
45179	447	17	lever	lever	NN
45179	447	18	_	_	NNP
45179	447	19	l	l	NNP
45179	447	20	_	_	NNP
45179	447	21	may	may	MD
45179	447	22	serve	serve	VB
45179	447	23	to	to	TO
45179	447	24	close	close	VB
45179	447	25	an	an	DT
45179	447	26	additional	additional	JJ
45179	447	27	circuit	circuit	NN
45179	447	28	through	through	IN
45179	447	29	the	the	DT
45179	447	30	battery	battery	NN
45179	447	31	B	B	NNP
45179	447	32	,	,	,
45179	447	33	which	which	WDT
45179	447	34	may	may	MD
45179	447	35	be	be	VB
45179	447	36	used	use	VBN
45179	447	37	to	to	TO
45179	447	38	operate	operate	VB
45179	447	39	an	an	DT
45179	447	40	alarm	alarm	NN
45179	447	41	,	,	,
45179	447	42	I	-PRON-	PRP
45179	447	43	,	,	,
45179	447	44	in	in	IN
45179	447	45	conjunction	conjunction	NN
45179	447	46	with	with	IN
45179	447	47	the	the	DT
45179	447	48	signal	signal	NN
45179	447	49	S	S	NNP
45179	447	50	,	,	,
45179	447	51	or	or	CC
45179	447	52	to	to	TO
45179	447	53	actuate	actuate	VB
45179	447	54	another	another	DT
45179	447	55	signal	signal	NN
45179	447	56	at	at	IN
45179	447	57	a	a	DT
45179	447	58	distant	distant	JJ
45179	447	59	point	point	NN
45179	447	60	.	.	.
45179	448	1	Furthermore	furthermore	RB
45179	448	2	,	,	,
45179	448	3	the	the	DT
45179	448	4	concealment	concealment	NN
45179	448	5	of	of	IN
45179	448	6	the	the	DT
45179	448	7	signal	signal	NN
45179	448	8	S	S	NNP
45179	448	9	may	may	MD
45179	448	10	serve	serve	VB
45179	448	11	to	to	TO
45179	448	12	close	close	VB
45179	448	13	another	another	DT
45179	448	14	circuit	circuit	NN
45179	448	15	for	for	IN
45179	448	16	exposing	expose	VBG
45179	448	17	another	another	DT
45179	448	18	signal	signal	NN
45179	448	19	,	,	,
45179	448	20	or	or	CC
45179	448	21	the	the	DT
45179	448	22	reverse	reverse	NN
45179	448	23	.	.	.
45179	449	1	Instead	instead	RB
45179	449	2	of	of	IN
45179	449	3	using	use	VBG
45179	449	4	the	the	DT
45179	449	5	signal	signal	NN
45179	449	6	G	g	NN
45179	449	7	,	,	,
45179	449	8	constructed	construct	VBN
45179	449	9	as	as	IN
45179	449	10	herein	herein	NNP
45179	449	11	minutely	minutely	RB
45179	449	12	described	describe	VBN
45179	449	13	,	,	,
45179	449	14	a	a	DT
45179	449	15	signal	signal	NN
45179	449	16	of	of	IN
45179	449	17	any	any	DT
45179	449	18	suitable	suitable	JJ
45179	449	19	construction	construction	NN
45179	449	20	may	may	MD
45179	449	21	be	be	VB
45179	449	22	used	use	VBN
45179	449	23	without	without	IN
45179	449	24	affecting	affect	VBG
45179	449	25	the	the	DT
45179	449	26	spirit	spirit	NN
45179	449	27	of	of	IN
45179	449	28	the	the	DT
45179	449	29	invention	invention	NN
45179	449	30	.	.	.
45179	450	1	Furthermore	furthermore	RB
45179	450	2	,	,	,
45179	450	3	instead	instead	RB
45179	450	4	of	of	IN
45179	450	5	using	use	VBG
45179	450	6	the	the	DT
45179	450	7	magnet	magnet	NN
45179	450	8	M	m	NN
45179	450	9	to	to	TO
45179	450	10	actuate	actuate	VB
45179	450	11	the	the	DT
45179	450	12	signal	signal	NN
45179	450	13	directly	directly	RB
45179	450	14	,	,	,
45179	450	15	it	-PRON-	PRP
45179	450	16	may	may	MD
45179	450	17	be	be	VB
45179	450	18	used	use	VBN
45179	450	19	as	as	IN
45179	450	20	a	a	DT
45179	450	21	relay	relay	NN
45179	450	22	,	,	,
45179	450	23	operating	operating	NN
45179	450	24	,	,	,
45179	450	25	when	when	WRB
45179	450	26	charged	charge	VBN
45179	450	27	,	,	,
45179	450	28	to	to	TO
45179	450	29	keep	keep	VB
45179	450	30	the	the	DT
45179	450	31	circuit	circuit	NN
45179	450	32	which	which	WDT
45179	450	33	directly	directly	RB
45179	450	34	actuates	actuate	VBZ
45179	450	35	the	the	DT
45179	450	36	signal	signal	NN
45179	450	37	open	open	JJ
45179	450	38	or	or	CC
45179	450	39	closed	closed	JJ
45179	450	40	,	,	,
45179	450	41	as	as	IN
45179	450	42	desired	desire	VBN
45179	450	43	.	.	.
45179	451	1	It	-PRON-	PRP
45179	451	2	is	be	VBZ
45179	451	3	evident	evident	JJ
45179	451	4	that	that	IN
45179	451	5	an	an	DT
45179	451	6	alarm	alarm	NN
45179	451	7	may	may	MD
45179	451	8	be	be	VB
45179	451	9	used	use	VBN
45179	451	10	either	either	CC
45179	451	11	in	in	IN
45179	451	12	conjunction	conjunction	NN
45179	451	13	with	with	IN
45179	451	14	or	or	CC
45179	451	15	independently	independently	RB
45179	451	16	of	of	IN
45179	451	17	a	a	DT
45179	451	18	visual	visual	JJ
45179	451	19	signal	signal	NN
45179	451	20	.	.	.
45179	452	1	The	the	DT
45179	452	2	drawing	drawing	NN
45179	452	3	shows	show	VBZ
45179	452	4	an	an	DT
45179	452	5	application	application	NN
45179	452	6	particularly	particularly	RB
45179	452	7	adapted	adapt	VBN
45179	452	8	to	to	IN
45179	452	9	road	road	NN
45179	452	10	-	-	HYPH
45179	452	11	crossing	cross	VBG
45179	452	12	signals	signal	NNS
45179	452	13	on	on	IN
45179	452	14	a	a	DT
45179	452	15	double	double	JJ
45179	452	16	track	track	NN
45179	452	17	.	.	.
45179	453	1	The	the	DT
45179	453	2	signals	signal	NNS
45179	453	3	may	may	MD
45179	453	4	be	be	VB
45179	453	5	used	use	VBN
45179	453	6	,	,	,
45179	453	7	also	also	RB
45179	453	8	,	,	,
45179	453	9	on	on	IN
45179	453	10	a	a	DT
45179	453	11	single	single	JJ
45179	453	12	track	track	NN
45179	453	13	and	and	CC
45179	453	14	be	be	VB
45179	453	15	applied	apply	VBN
45179	453	16	as	as	IN
45179	453	17	block	block	NN
45179	453	18	signals	signal	NNS
45179	453	19	and	and	CC
45179	453	20	for	for	IN
45179	453	21	other	other	JJ
45179	453	22	purposes	purpose	NNS
45179	453	23	on	on	IN
45179	453	24	single	single	JJ
45179	453	25	or	or	CC
45179	453	26	double	double	JJ
45179	453	27	tracks	track	NNS
45179	453	28	.	.	.
45179	454	1	When	when	WRB
45179	454	2	used	use	VBN
45179	454	3	as	as	IN
45179	454	4	a	a	DT
45179	454	5	block	block	NN
45179	454	6	-	-	HYPH
45179	454	7	signal	signal	NN
45179	454	8	or	or	CC
45179	454	9	for	for	IN
45179	454	10	other	other	JJ
45179	454	11	purposes	purpose	NNS
45179	454	12	,	,	,
45179	454	13	it	-PRON-	PRP
45179	454	14	may	may	MD
45179	454	15	be	be	VB
45179	454	16	desirable	desirable	JJ
45179	454	17	to	to	TO
45179	454	18	indicate	indicate	VB
45179	454	19	at	at	IN
45179	454	20	a	a	DT
45179	454	21	distant	distant	JJ
45179	454	22	station	station	NN
45179	454	23	when	when	WRB
45179	454	24	the	the	DT
45179	454	25	signal	signal	NN
45179	454	26	is	be	VBZ
45179	454	27	operative	operative	JJ
45179	454	28	.	.	.
45179	455	1	To	to	TO
45179	455	2	accomplish	accomplish	VB
45179	455	3	this	this	DT
45179	455	4	object	object	NN
45179	455	5	,	,	,
45179	455	6	carry	carry	VBP
45179	455	7	one	one	CD
45179	455	8	of	of	IN
45179	455	9	the	the	DT
45179	455	10	wires	wire	NNS
45179	455	11	from	from	IN
45179	455	12	the	the	DT
45179	455	13	magnet	magnet	NN
45179	455	14	M	m	NN
45179	455	15	to	to	IN
45179	455	16	the	the	DT
45179	455	17	distant	distant	JJ
45179	455	18	station	station	NN
45179	455	19	.	.	.
45179	456	1	Here	here	RB
45179	456	2	let	let	VB
45179	456	3	the	the	DT
45179	456	4	wire	wire	NN
45179	456	5	be	be	VB
45179	456	6	passed	pass	VBN
45179	456	7	through	through	IN
45179	456	8	the	the	DT
45179	456	9	coils	coil	NNS
45179	456	10	of	of	IN
45179	456	11	a	a	DT
45179	456	12	bell	bell	NN
45179	456	13	-	-	HYPH
45179	456	14	magnet	magnet	NN
45179	456	15	or	or	CC
45179	456	16	other	other	JJ
45179	456	17	signaling	signal	VBG
45179	456	18	device	device	NN
45179	456	19	,	,	,
45179	456	20	and	and	CC
45179	456	21	thence	thence	NN
45179	456	22	be	be	VB
45179	456	23	carried	carry	VBN
45179	456	24	to	to	IN
45179	456	25	the	the	DT
45179	456	26	track	track	NN
45179	456	27	and	and	CC
45179	456	28	attached	attach	VBN
45179	456	29	to	to	IN
45179	456	30	the	the	DT
45179	456	31	same	same	JJ
45179	456	32	,	,	,
45179	456	33	as	as	IN
45179	456	34	already	already	RB
45179	456	35	described	describe	VBN
45179	456	36	.	.	.
45179	457	1	The	the	DT
45179	457	2	office	office	NN
45179	457	3	signal	signal	NN
45179	457	4	will	will	MD
45179	457	5	operate	operate	VB
45179	457	6	simultaneously	simultaneously	RB
45179	457	7	with	with	IN
45179	457	8	the	the	DT
45179	457	9	signal	signal	NN
45179	457	10	S.	S.	NNP
45179	457	11	Thus	Thus	NNP
45179	457	12	any	any	DT
45179	457	13	desired	desire	VBN
45179	457	14	number	number	NN
45179	457	15	of	of	IN
45179	457	16	signals	signal	NNS
45179	457	17	may	may	MD
45179	457	18	be	be	VB
45179	457	19	operated	operate	VBN
45179	457	20	simultaneously	simultaneously	RB
45179	457	21	,	,	,
45179	457	22	at	at	IN
45179	457	23	different	different	JJ
45179	457	24	points	point	NNS
45179	457	25	,	,	,
45179	457	26	from	from	IN
45179	457	27	a	a	DT
45179	457	28	single	single	JJ
45179	457	29	section	section	NN
45179	457	30	of	of	IN
45179	457	31	track	track	NN
45179	457	32	.	.	.
45179	458	1	By	by	IN
45179	458	2	a	a	DT
45179	458	3	slight	slight	JJ
45179	458	4	modification	modification	NN
45179	458	5	of	of	IN
45179	458	6	the	the	DT
45179	458	7	plan	plan	NN
45179	458	8	described	describe	VBD
45179	458	9	an	an	DT
45179	458	10	efficient	efficient	JJ
45179	458	11	switch	switch	NN
45179	458	12	and	and	CC
45179	458	13	drawbridge	drawbridge	NN
45179	458	14	signal	signal	NN
45179	458	15	may	may	MD
45179	458	16	be	be	VB
45179	458	17	operated	operate	VBN
45179	458	18	,	,	,
45179	458	19	the	the	DT
45179	458	20	rails	rail	NNS
45179	458	21	being	be	VBG
45179	458	22	used	use	VBN
45179	458	23	as	as	IN
45179	458	24	conductors	conductor	NNS
45179	458	25	.	.	.
45179	459	1	Thus	thus	RB
45179	459	2	half	half	PDT
45179	459	3	a	a	DT
45179	459	4	mile	mile	NN
45179	459	5	,	,	,
45179	459	6	more	more	RBR
45179	459	7	or	or	CC
45179	459	8	less	less	RBR
45179	459	9	,	,	,
45179	459	10	from	from	IN
45179	459	11	a	a	DT
45179	459	12	switch	switch	NN
45179	459	13	may	may	MD
45179	459	14	be	be	VB
45179	459	15	placed	place	VBN
45179	459	16	a	a	DT
45179	459	17	signal	signal	NN
45179	459	18	-	-	HYPH
45179	459	19	box	box	NN
45179	459	20	and	and	CC
45179	459	21	signal	signal	NN
45179	459	22	,	,	,
45179	459	23	substantially	substantially	RB
45179	459	24	as	as	IN
45179	459	25	described	describe	VBN
45179	459	26	,	,	,
45179	459	27	and	and	CC
45179	459	28	connected	connect	VBN
45179	459	29	with	with	IN
45179	459	30	the	the	DT
45179	459	31	rails	rail	NNS
45179	459	32	,	,	,
45179	459	33	as	as	IN
45179	459	34	shown	show	VBN
45179	459	35	.	.	.
45179	460	1	Near	near	IN
45179	460	2	this	this	DT
45179	460	3	point	point	NN
45179	460	4	let	let	VBD
45179	460	5	the	the	DT
45179	460	6	rails	rail	NNS
45179	460	7	be	be	VB
45179	460	8	divided	divide	VBN
45179	460	9	,	,	,
45179	460	10	taking	take	VBG
45179	460	11	care	care	NN
45179	460	12	that	that	IN
45179	460	13	the	the	DT
45179	460	14	signal	signal	NN
45179	460	15	and	and	CC
45179	460	16	battery	battery	NN
45179	460	17	wire	wire	NN
45179	460	18	are	be	VBP
45179	460	19	connected	connect	VBN
45179	460	20	to	to	IN
45179	460	21	the	the	DT
45179	460	22	section	section	NN
45179	460	23	toward	toward	IN
45179	460	24	the	the	DT
45179	460	25	switch	switch	NN
45179	460	26	.	.	.
45179	461	1	Now	now	RB
45179	461	2	,	,	,
45179	461	3	while	while	IN
45179	461	4	the	the	DT
45179	461	5	switch	switch	NN
45179	461	6	is	be	VBZ
45179	461	7	on	on	IN
45179	461	8	the	the	DT
45179	461	9	main	main	JJ
45179	461	10	line	line	NN
45179	461	11	,	,	,
45179	461	12	the	the	DT
45179	461	13	bars	bar	NNS
45179	461	14	connecting	connect	VBG
45179	461	15	the	the	DT
45179	461	16	rails	rail	NNS
45179	461	17	of	of	IN
45179	461	18	the	the	DT
45179	461	19	switch	switch	NN
45179	461	20	will	will	MD
45179	461	21	act	act	VB
45179	461	22	as	as	IN
45179	461	23	a	a	DT
45179	461	24	bridge	bridge	NN
45179	461	25	to	to	TO
45179	461	26	divert	divert	VB
45179	461	27	the	the	DT
45179	461	28	electricity	electricity	NN
45179	461	29	from	from	IN
45179	461	30	the	the	DT
45179	461	31	signal	signal	NN
45179	461	32	-	-	HYPH
45179	461	33	magnet	magnet	NN
45179	461	34	.	.	.
45179	462	1	But	but	CC
45179	462	2	when	when	WRB
45179	462	3	the	the	DT
45179	462	4	switch	switch	NN
45179	462	5	is	be	VBZ
45179	462	6	misplaced	misplace	VBN
45179	462	7	the	the	DT
45179	462	8	metallic	metallic	JJ
45179	462	9	connection	connection	NN
45179	462	10	of	of	IN
45179	462	11	the	the	DT
45179	462	12	rails	rail	NNS
45179	462	13	of	of	IN
45179	462	14	the	the	DT
45179	462	15	track	track	NN
45179	462	16	will	will	MD
45179	462	17	be	be	VB
45179	462	18	interrupted	interrupt	VBN
45179	462	19	.	.	.
45179	463	1	The	the	DT
45179	463	2	signal	signal	NN
45179	463	3	-	-	HYPH
45179	463	4	magnet	magnet	NN
45179	463	5	will	will	MD
45179	463	6	thus	thus	RB
45179	463	7	become	become	VB
45179	463	8	charged	charge	VBN
45179	463	9	and	and	CC
45179	463	10	the	the	DT
45179	463	11	position	position	NN
45179	463	12	of	of	IN
45179	463	13	the	the	DT
45179	463	14	signal	signal	NN
45179	463	15	changed	change	VBD
45179	463	16	.	.	.
45179	464	1	In	in	IN
45179	464	2	this	this	DT
45179	464	3	case	case	NN
45179	464	4	the	the	DT
45179	464	5	signal	signal	NN
45179	464	6	should	should	MD
45179	464	7	be	be	VB
45179	464	8	exposed	expose	VBN
45179	464	9	when	when	WRB
45179	464	10	the	the	DT
45179	464	11	magnet	magnet	NN
45179	464	12	M	M	NNP
45179	464	13	is	be	VBZ
45179	464	14	charged	charge	VBN
45179	464	15	.	.	.
45179	465	1	In	in	IN
45179	465	2	like	like	IN
45179	465	3	manner	manner	NN
45179	465	4	a	a	DT
45179	465	5	cross	cross	JJ
45179	465	6	-	-	NN
45179	465	7	bar	bar	NN
45179	465	8	may	may	MD
45179	465	9	bridge	bridge	VB
45179	465	10	the	the	DT
45179	465	11	rails	rail	NNS
45179	465	12	on	on	IN
45179	465	13	a	a	DT
45179	465	14	draw	draw	NN
45179	465	15	-	-	HYPH
45179	465	16	bridge	bridge	NN
45179	465	17	.	.	.
45179	466	1	The	the	DT
45179	466	2	displacing	displacing	NN
45179	466	3	of	of	IN
45179	466	4	the	the	DT
45179	466	5	draw	draw	NN
45179	466	6	-	-	HYPH
45179	466	7	bridge	bridge	NN
45179	466	8	or	or	CC
45179	466	9	withdrawing	withdrawing	NN
45179	466	10	of	of	IN
45179	466	11	the	the	DT
45179	466	12	bolt	bolt	NN
45179	466	13	or	or	CC
45179	466	14	bolts	bolt	NNS
45179	466	15	which	which	WDT
45179	466	16	hold	hold	VBP
45179	466	17	the	the	DT
45179	466	18	same	same	JJ
45179	466	19	in	in	IN
45179	466	20	position	position	NN
45179	466	21	will	will	MD
45179	466	22	allow	allow	VB
45179	466	23	the	the	DT
45179	466	24	signal	signal	NN
45179	466	25	-	-	HYPH
45179	466	26	magnet	magnet	NN
45179	466	27	to	to	TO
45179	466	28	become	become	VB
45179	466	29	charged	charge	VBN
45179	466	30	and	and	CC
45179	466	31	the	the	DT
45179	466	32	signal	signal	NN
45179	466	33	to	to	TO
45179	466	34	be	be	VB
45179	466	35	changed	change	VBN
45179	466	36	,	,	,
45179	466	37	substantially	substantially	RB
45179	466	38	as	as	IN
45179	466	39	described	describe	VBN
45179	466	40	,	,	,
45179	466	41	in	in	IN
45179	466	42	connection	connection	NN
45179	466	43	with	with	IN
45179	466	44	a	a	DT
45179	466	45	switch	switch	NN
45179	466	46	.	.	.
45179	467	1	It	-PRON-	PRP
45179	467	2	is	be	VBZ
45179	467	3	not	not	RB
45179	467	4	necessary	necessary	JJ
45179	467	5	in	in	IN
45179	467	6	all	all	DT
45179	467	7	cases	case	NNS
45179	467	8	that	that	WDT
45179	467	9	the	the	DT
45179	467	10	rails	rail	NNS
45179	467	11	_	_	NNP
45179	467	12	a	a	DT
45179	467	13	_	_	NNP
45179	467	14	and	and	CC
45179	467	15	_	_	NNP
45179	467	16	b	b	NNP
45179	467	17	_	_	NNP
45179	467	18	,	,	,
45179	467	19	section	section	NN
45179	467	20	C	C	NNP
45179	467	21	,	,	,
45179	467	22	should	should	MD
45179	467	23	both	both	DT
45179	467	24	be	be	VB
45179	467	25	separated	separate	VBN
45179	467	26	from	from	IN
45179	467	27	metallic	metallic	JJ
45179	467	28	contact	contact	NN
45179	467	29	with	with	IN
45179	467	30	the	the	DT
45179	467	31	sections	section	NNS
45179	467	32	D	d	NN
45179	467	33	and	and	CC
45179	467	34	E.	E.	NNP
45179	467	35	It	-PRON-	PRP
45179	467	36	may	may	MD
45179	467	37	often	often	RB
45179	467	38	,	,	,
45179	467	39	if	if	IN
45179	467	40	not	not	RB
45179	467	41	always	always	RB
45179	467	42	,	,	,
45179	467	43	be	be	VB
45179	467	44	sufficient	sufficient	JJ
45179	467	45	to	to	TO
45179	467	46	separate	separate	VB
45179	467	47	only	only	RB
45179	467	48	one	one	CD
45179	467	49	of	of	IN
45179	467	50	said	say	VBD
45179	467	51	rails	rail	NNS
45179	467	52	from	from	IN
45179	467	53	such	such	JJ
45179	467	54	metallic	metallic	JJ
45179	467	55	contact	contact	NN
45179	467	56	with	with	IN
45179	467	57	the	the	DT
45179	467	58	adjacent	adjacent	JJ
45179	467	59	sections	section	NNS
45179	467	60	.	.	.
45179	468	1	What	what	WP
45179	468	2	I	-PRON-	PRP
45179	468	3	here	here	RB
45179	468	4	claim	claim	VBP
45179	468	5	as	as	IN
45179	468	6	new	new	JJ
45179	468	7	,	,	,
45179	468	8	and	and	CC
45179	468	9	desire	desire	NN
45179	468	10	to	to	TO
45179	468	11	secure	secure	VB
45179	468	12	by	by	IN
45179	468	13	Letters	Letters	NNPS
45179	468	14	Patent	Patent	NNP
45179	468	15	,	,	,
45179	468	16	is--	is--	NNP
45179	468	17	1	1	CD
45179	468	18	.	.	.
45179	469	1	The	the	DT
45179	469	2	battery	battery	NN
45179	469	3	B	b	NN
45179	469	4	and	and	CC
45179	469	5	magnet	magnet	NN
45179	469	6	M	m	NN
45179	469	7	,	,	,
45179	469	8	so	so	RB
45179	469	9	connected	connected	JJ
45179	469	10	with	with	IN
45179	469	11	the	the	DT
45179	469	12	rails	rail	NNS
45179	469	13	of	of	IN
45179	469	14	a	a	DT
45179	469	15	section	section	NN
45179	469	16	of	of	IN
45179	469	17	railroad	railroad	NN
45179	469	18	track	track	NN
45179	469	19	that	that	WDT
45179	469	20	when	when	WRB
45179	469	21	said	say	VBD
45179	469	22	section	section	NN
45179	469	23	is	be	VBZ
45179	469	24	bridged	bridge	VBN
45179	469	25	by	by	IN
45179	469	26	the	the	DT
45179	469	27	wheels	wheel	NNS
45179	469	28	and	and	CC
45179	469	29	axle	axle	NN
45179	469	30	of	of	IN
45179	469	31	a	a	DT
45179	469	32	car	car	NN
45179	469	33	the	the	DT
45179	469	34	electric	electric	JJ
45179	469	35	circuit	circuit	NN
45179	469	36	is	be	VBZ
45179	469	37	changed	change	VBN
45179	469	38	and	and	CC
45179	469	39	the	the	DT
45179	469	40	signal	signal	NN
45179	469	41	operated	operate	VBD
45179	469	42	through	through	IN
45179	469	43	the	the	DT
45179	469	44	demagnetization	demagnetization	NN
45179	469	45	of	of	IN
45179	469	46	the	the	DT
45179	469	47	magnet	magnet	NN
45179	469	48	M	m	NN
45179	469	49	,	,	,
45179	469	50	substantially	substantially	RB
45179	469	51	as	as	IN
45179	469	52	specified	specify	VBN
45179	469	53	.	.	.
45179	470	1	2	2	LS
45179	470	2	.	.	.
45179	471	1	A	a	DT
45179	471	2	signal	signal	NN
45179	471	3	constructed	construct	VBN
45179	471	4	partially	partially	RB
45179	471	5	of	of	IN
45179	471	6	tubular	tubular	JJ
45179	471	7	material	material	NN
45179	471	8	,	,	,
45179	471	9	for	for	IN
45179	471	10	the	the	DT
45179	471	11	purpose	purpose	NN
45179	471	12	of	of	IN
45179	471	13	securing	secure	VBG
45179	471	14	lightness	lightness	NN
45179	471	15	combined	combine	VBN
45179	471	16	with	with	IN
45179	471	17	strength	strength	NN
45179	471	18	,	,	,
45179	471	19	in	in	IN
45179	471	20	the	the	DT
45179	471	21	manner	manner	NN
45179	471	22	substantially	substantially	RB
45179	471	23	as	as	IN
45179	471	24	herein	herein	NNP
45179	471	25	set	set	VBD
45179	471	26	forth	forth	RB
45179	471	27	.	.	.
45179	472	1	3	3	LS
45179	472	2	.	.	.
45179	473	1	The	the	DT
45179	473	2	arrangement	arrangement	NN
45179	473	3	of	of	IN
45179	473	4	the	the	DT
45179	473	5	pivotal	pivotal	JJ
45179	473	6	bearing	bearing	NN
45179	473	7	of	of	IN
45179	473	8	the	the	DT
45179	473	9	lever	lever	NN
45179	473	10	_	_	NNP
45179	473	11	e	e	NNP
45179	473	12	_	_	NNP
45179	473	13	at	at	IN
45179	473	14	a	a	DT
45179	473	15	point	point	NN
45179	473	16	midway	midway	NN
45179	473	17	between	between	IN
45179	473	18	the	the	DT
45179	473	19	horizontal	horizontal	JJ
45179	473	20	lines	line	NNS
45179	473	21	of	of	IN
45179	473	22	exposure	exposure	NN
45179	473	23	and	and	CC
45179	473	24	concealment	concealment	NN
45179	473	25	of	of	IN
45179	473	26	the	the	DT
45179	473	27	signal	signal	JJ
45179	473	28	-	-	HYPH
45179	473	29	disk	disk	NN
45179	473	30	,	,	,
45179	473	31	as	as	IN
45179	473	32	shown	show	VBN
45179	473	33	and	and	CC
45179	473	34	described	describe	VBN
45179	473	35	,	,	,
45179	473	36	for	for	IN
45179	473	37	the	the	DT
45179	473	38	purpose	purpose	NN
45179	473	39	set	set	VBN
45179	473	40	forth	forth	RB
45179	473	41	.	.	.
45179	474	1	4	4	LS
45179	474	2	.	.	.
45179	475	1	The	the	DT
45179	475	2	combination	combination	NN
45179	475	3	of	of	IN
45179	475	4	the	the	DT
45179	475	5	elastic	elastic	JJ
45179	475	6	spring	spring	NN
45179	475	7	_	_	NNP
45179	475	8	i	i	PRP
45179	475	9	_	_	NNP
45179	475	10	,	,	,
45179	475	11	or	or	CC
45179	475	12	its	-PRON-	PRP$
45179	475	13	equivalent	equivalent	JJ
45179	475	14	,	,	,
45179	475	15	with	with	IN
45179	475	16	the	the	DT
45179	475	17	levers	lever	NNS
45179	475	18	L	L	NNP
45179	475	19	and	and	CC
45179	475	20	_	_	NNP
45179	475	21	e	e	NNP
45179	475	22	_	_	NNP
45179	475	23	and	and	CC
45179	475	24	signal	signal	NN
45179	475	25	-	-	HYPH
45179	475	26	disk	disk	NN
45179	475	27	S	s	NN
45179	475	28	,	,	,
45179	475	29	substantially	substantially	RB
45179	475	30	as	as	IN
45179	475	31	set	set	VBN
45179	475	32	forth	forth	RB
45179	475	33	.	.	.
45179	476	1	5	5	CD
45179	476	2	.	.	.
45179	477	1	The	the	DT
45179	477	2	battery	battery	NN
45179	477	3	B	B	NNP
45179	477	4	,	,	,
45179	477	5	in	in	IN
45179	477	6	combination	combination	NN
45179	477	7	with	with	IN
45179	477	8	the	the	DT
45179	477	9	wires	wire	NNS
45179	477	10	_	_	NNP
45179	477	11	k	k	NNP
45179	477	12	k	k	NNP
45179	477	13	'	'	''
45179	477	14	_	_	NNP
45179	477	15	,	,	,
45179	477	16	rails	rail	NNS
45179	477	17	_	_	NNP
45179	477	18	a	a	DT
45179	477	19	b	b	NN
45179	477	20	_	_	NNP
45179	477	21	of	of	IN
45179	477	22	a	a	DT
45179	477	23	railroad	railroad	NN
45179	477	24	track	track	NN
45179	477	25	,	,	,
45179	477	26	wires	wire	NNS
45179	477	27	_	_	NNP
45179	477	28	l	l	NNP
45179	477	29	l	l	NNP
45179	477	30	'	'	''
45179	477	31	_	_	NNP
45179	477	32	,	,	,
45179	477	33	and	and	CC
45179	477	34	magnet	magnet	NN
45179	477	35	M	m	NN
45179	477	36	,	,	,
45179	477	37	substantially	substantially	RB
45179	477	38	as	as	IN
45179	477	39	and	and	CC
45179	477	40	for	for	IN
45179	477	41	the	the	DT
45179	477	42	purpose	purpose	NN
45179	477	43	herein	herein	NNP
45179	477	44	described	describe	VBN
45179	477	45	.	.	.
45179	478	1	6	6	CD
45179	478	2	.	.	.
45179	479	1	The	the	DT
45179	479	2	additional	additional	JJ
45179	479	3	or	or	CC
45179	479	4	local	local	JJ
45179	479	5	circuit	circuit	NN
45179	479	6	_	_	NNP
45179	479	7	r	r	NNP
45179	479	8	_	_	NNP
45179	479	9	,	,	,
45179	479	10	in	in	IN
45179	479	11	combination	combination	NN
45179	479	12	with	with	IN
45179	479	13	the	the	DT
45179	479	14	magnet	magnet	NN
45179	479	15	M	m	NN
45179	479	16	,	,	,
45179	479	17	wires	wire	NNS
45179	479	18	_	_	NNP
45179	479	19	l	l	NNP
45179	479	20	l	l	NNP
45179	479	21	'	'	''
45179	479	22	_	_	NNP
45179	479	23	_	_	NNP
45179	479	24	k	k	NNP
45179	479	25	k	k	NNP
45179	479	26	'	'	''
45179	479	27	_	_	NNP
45179	479	28	,	,	,
45179	479	29	battery	battery	NN
45179	479	30	B	B	NNP
45179	479	31	,	,	,
45179	479	32	and	and	CC
45179	479	33	section	section	NN
45179	479	34	of	of	IN
45179	479	35	rails	rail	NNS
45179	479	36	of	of	IN
45179	479	37	a	a	DT
45179	479	38	railroad	railroad	NN
45179	479	39	track	track	NN
45179	479	40	,	,	,
45179	479	41	for	for	IN
45179	479	42	operation	operation	NN
45179	479	43	,	,	,
45179	479	44	essentially	essentially	RB
45179	479	45	as	as	IN
45179	479	46	described	describe	VBN
45179	479	47	.	.	.
45179	480	1	WILLIAM	WILLIAM	NNP
45179	480	2	ROBINSON	ROBINSON	NNP
45179	480	3	.	.	.
45179	481	1	Witnesses	witness	NNS
45179	481	2	:	:	:
45179	481	3	JOHN	JOHN	NNP
45179	481	4	ROONEY	ROONEY	NNS
45179	481	5	,	,	,
45179	481	6	VAN	VAN	NNP
45179	481	7	WYCK	WYCK	NNP
45179	481	8	FOSTER	FOSTER	NNP
45179	481	9	.	.	.
45179	482	1	DR	DR	NNP
45179	482	2	.	.	.
45179	482	3	WILLIAM	WILLIAM	NNP
45179	482	4	ROBINSON[2	ROBINSON[2	NNP
45179	482	5	]	]	-RRB-
45179	482	6	Electrical	Electrical	NNP
45179	482	7	and	and	CC
45179	482	8	Mechanical	Mechanical	NNP
45179	482	9	Engineer	Engineer	NNP
45179	482	10	Fellow	Fellow	NNP
45179	482	11	American	American	NNP
45179	482	12	Institute	Institute	NNP
45179	482	13	of	of	IN
45179	482	14	Electrical	Electrical	NNP
45179	482	15	Engineers	Engineers	NNP
45179	482	16	Graduate	Graduate	NNP
45179	482	17	of	of	IN
45179	482	18	Wesleyan	Wesleyan	NNP
45179	482	19	University	University	NNP
45179	482	20	with	with	IN
45179	482	21	Degrees	Degrees	NNPS
45179	482	22	of	of	IN
45179	482	23	A.B.	A.B.	NNP
45179	483	1	and	and	CC
45179	483	2	A.M.	A.M.	NNP
45179	483	3	Post	Post	NNP
45179	483	4	Graduate	Graduate	NNP
45179	483	5	of	of	IN
45179	483	6	Boston	Boston	NNP
45179	483	7	University	University	NNP
45179	483	8	with	with	IN
45179	483	9	Degree	Degree	NNP
45179	483	10	of	of	IN
45179	483	11	Ph.D.	ph.d.	NN
45179	483	12	[	[	-LRB-
45179	483	13	2	2	CD
45179	483	14	]	]	-RRB-
45179	483	15	Reprinted	reprint	VBN
45179	483	16	from	from	IN
45179	483	17	a	a	DT
45179	483	18	circular	circular	JJ
45179	483	19	published	publish	VBN
45179	483	20	by	by	IN
45179	483	21	Dr.	Dr.	NNP
45179	483	22	Robinson	Robinson	NNP
45179	483	23	in	in	IN
45179	483	24	1913	1913	CD
45179	483	25	.	.	.
45179	484	1	Data	Data	NNP
45179	484	2	Notes	Notes	NNP
45179	484	3	Originator	Originator	NNP
45179	484	4	and	and	CC
45179	484	5	patentee	patentee	NN
45179	484	6	(	(	-LRB-
45179	484	7	basic	basic	JJ
45179	484	8	patents	patent	NNS
45179	484	9	,	,	,
45179	484	10	1872	1872	CD
45179	484	11	)	)	-RRB-
45179	484	12	of	of	IN
45179	484	13	the	the	DT
45179	484	14	Closed	Closed	NNP
45179	484	15	Track	Track	NNP
45179	484	16	Circuit	Circuit	NNP
45179	484	17	System	System	NNP
45179	484	18	of	of	IN
45179	484	19	Automatic	Automatic	NNP
45179	484	20	Electric	Electric	NNP
45179	484	21	Signaling	Signaling	NNP
45179	484	22	,	,	,
45179	484	23	the	the	DT
45179	484	24	basis	basis	NN
45179	484	25	of	of	IN
45179	484	26	practically	practically	RB
45179	484	27	every	every	DT
45179	484	28	automatic	automatic	JJ
45179	484	29	electric	electric	JJ
45179	484	30	block	block	NN
45179	484	31	signal	signal	NN
45179	484	32	system	system	NN
45179	484	33	in	in	IN
45179	484	34	use	use	NN
45179	484	35	on	on	IN
45179	484	36	railroads	railroad	NNS
45179	484	37	today	today	NN
45179	484	38	.	.	.
45179	485	1	The	the	DT
45179	485	2	following	follow	VBG
45179	485	3	brief	brief	JJ
45179	485	4	description	description	NN
45179	485	5	and	and	CC
45179	485	6	comments	comment	NNS
45179	485	7	on	on	IN
45179	485	8	this	this	DT
45179	485	9	Robinson	Robinson	NNP
45179	485	10	closed	close	VBD
45179	485	11	track	track	NN
45179	485	12	circuit	circuit	NN
45179	485	13	system	system	NN
45179	485	14	are	be	VBP
45179	485	15	from	from	IN
45179	485	16	the	the	DT
45179	485	17	Third	Third	NNP
45179	485	18	Annual	Annual	NNP
45179	485	19	Report	Report	NNP
45179	485	20	of	of	IN
45179	485	21	the	the	DT
45179	485	22	Block	Block	NNP
45179	485	23	Signal	Signal	NNP
45179	485	24	and	and	CC
45179	485	25	Train	Train	NNP
45179	485	26	Control	Control	NNP
45179	485	27	Board	Board	NNP
45179	485	28	to	to	IN
45179	485	29	the	the	DT
45179	485	30	Interstate	Interstate	NNP
45179	485	31	Commerce	Commerce	NNP
45179	485	32	Commission	Commission	NNP
45179	485	33	,	,	,
45179	485	34	dated	date	VBN
45179	485	35	November	November	NNP
45179	485	36	22	22	CD
45179	485	37	,	,	,
45179	485	38	1910	1910	CD
45179	485	39	,	,	,
45179	485	40	pages	page	VBZ
45179	485	41	177	177	CD
45179	485	42	et	et	NN
45179	485	43	seq	seq	NN
45179	485	44	.	.	.
45179	486	1	"	"	``
45179	486	2	The	the	DT
45179	486	3	Track	Track	NNP
45179	486	4	Circuit	Circuit	NNP
45179	486	5	"	"	``
45179	486	6	Perhaps	perhaps	RB
45179	486	7	no	no	DT
45179	486	8	single	single	JJ
45179	486	9	invention	invention	NN
45179	486	10	in	in	IN
45179	486	11	the	the	DT
45179	486	12	history	history	NN
45179	486	13	of	of	IN
45179	486	14	the	the	DT
45179	486	15	development	development	NN
45179	486	16	of	of	IN
45179	486	17	railway	railway	NN
45179	486	18	transportation	transportation	NN
45179	486	19	has	have	VBZ
45179	486	20	contributed	contribute	VBN
45179	486	21	more	more	RBR
45179	486	22	toward	toward	IN
45179	486	23	safety	safety	NN
45179	486	24	and	and	CC
45179	486	25	despatch	despatch	NN
45179	486	26	in	in	IN
45179	486	27	that	that	DT
45179	486	28	field	field	NN
45179	486	29	than	than	IN
45179	486	30	the	the	DT
45179	486	31	track	track	NN
45179	486	32	circuit	circuit	NN
45179	486	33	.	.	.
45179	487	1	By	by	IN
45179	487	2	this	this	DT
45179	487	3	invention	invention	NN
45179	487	4	,	,	,
45179	487	5	simple	simple	JJ
45179	487	6	in	in	IN
45179	487	7	itself	-PRON-	PRP
45179	487	8	,	,	,
45179	487	9	the	the	DT
45179	487	10	foundation	foundation	NN
45179	487	11	was	be	VBD
45179	487	12	obtained	obtain	VBN
45179	487	13	for	for	IN
45179	487	14	the	the	DT
45179	487	15	development	development	NN
45179	487	16	of	of	IN
45179	487	17	practically	practically	RB
45179	487	18	every	every	DT
45179	487	19	one	one	CD
45179	487	20	of	of	IN
45179	487	21	the	the	DT
45179	487	22	intricate	intricate	JJ
45179	487	23	systems	system	NNS
45179	487	24	of	of	IN
45179	487	25	railway	railway	NN
45179	487	26	block	block	NN
45179	487	27	signaling	signal	VBG
45179	487	28	in	in	IN
45179	487	29	use	use	NN
45179	487	30	today	today	NN
45179	487	31	wherein	wherein	WRB
45179	487	32	the	the	DT
45179	487	33	train	train	NN
45179	487	34	is	be	VBZ
45179	487	35	,	,	,
45179	487	36	under	under	IN
45179	487	37	all	all	DT
45179	487	38	conditions	condition	NNS
45179	487	39	,	,	,
45179	487	40	_	_	NNP
45179	487	41	continuously	continuously	RB
45179	487	42	active	active	JJ
45179	487	43	_	_	NNP
45179	487	44	in	in	IN
45179	487	45	maintaining	maintain	VBG
45179	487	46	its	-PRON-	PRP$
45179	487	47	own	own	JJ
45179	487	48	protection	protection	NN
45179	487	49	.	.	.
45179	488	1	"	"	``
45179	488	2	In	in	IN
45179	488	3	other	other	JJ
45179	488	4	words	word	NNS
45179	488	5	the	the	DT
45179	488	6	track	track	NN
45179	488	7	circuit	circuit	NN
45179	488	8	is	be	VBZ
45179	488	9	today	today	NN
45179	488	10	the	the	DT
45179	488	11	only	only	JJ
45179	488	12	medium	medium	NN
45179	488	13	recognized	recognize	VBN
45179	488	14	as	as	IN
45179	488	15	fundamentally	fundamentally	RB
45179	488	16	safe	safe	JJ
45179	488	17	by	by	IN
45179	488	18	experts	expert	NNS
45179	488	19	in	in	IN
45179	488	20	railway	railway	NN
45179	488	21	signaling	signaling	NN
45179	488	22	whereby	whereby	WRB
45179	488	23	_	_	NNP
45179	488	24	a	a	DT
45179	488	25	train	train	NN
45179	488	26	or	or	CC
45179	488	27	any	any	DT
45179	488	28	part	part	NN
45179	488	29	thereof	thereof	RB
45179	488	30	may	may	MD
45179	488	31	retain	retain	VB
45179	488	32	continuous	continuous	JJ
45179	488	33	and	and	CC
45179	488	34	direct	direct	JJ
45179	488	35	control	control	NN
45179	488	36	of	of	IN
45179	488	37	a	a	DT
45179	488	38	block	block	NN
45179	488	39	signal	signal	NN
45179	488	40	while	while	IN
45179	488	41	occupying	occupy	VBG
45179	488	42	any	any	DT
45179	488	43	portion	portion	NN
45179	488	44	of	of	IN
45179	488	45	the	the	DT
45179	488	46	track	track	NN
45179	488	47	guarded	guard	VBN
45179	488	48	by	by	IN
45179	488	49	the	the	DT
45179	488	50	signal	signal	NNP
45179	488	51	_	_	NNP
45179	488	52	.	.	.
45179	488	53	"	"	''
45179	489	1	"	"	``
45179	489	2	Invention	invention	NN
45179	489	3	of	of	IN
45179	489	4	the	the	DT
45179	489	5	Rail	Rail	NNP
45179	489	6	Circuit	Circuit	NNP
45179	489	7	"	"	''
45179	489	8	To	to	IN
45179	489	9	Mr.	Mr.	NNP
45179	489	10	William	William	NNP
45179	489	11	Robinson	Robinson	NNP
45179	489	12	the	the	DT
45179	489	13	Patent	Patent	NNP
45179	489	14	Office	Office	NNP
45179	489	15	records	record	NNS
45179	489	16	concede	concede	VBP
45179	489	17	the	the	DT
45179	489	18	honor	honor	NN
45179	489	19	of	of	IN
45179	489	20	having	have	VBG
45179	489	21	devised	devise	VBN
45179	489	22	the	the	DT
45179	489	23	first	first	JJ
45179	489	24	practical	practical	JJ
45179	489	25	track	track	NN
45179	489	26	or	or	CC
45179	489	27	'	'	''
45179	489	28	rail	rail	NN
45179	489	29	circuit	circuit	NN
45179	489	30	.	.	.
45179	489	31	'	'	''
45179	490	1	This	this	DT
45179	490	2	comprised	comprise	VBD
45179	490	3	what	what	WP
45179	490	4	is	be	VBZ
45179	490	5	termed	term	VBN
45179	490	6	the	the	DT
45179	490	7	_	_	NNP
45179	490	8	closed	close	VBN
45179	490	9	_	_	NNP
45179	490	10	track	track	NN
45179	490	11	circuit	circuit	NN
45179	490	12	in	in	IN
45179	490	13	distinction	distinction	NN
45179	490	14	from	from	IN
45179	490	15	the	the	DT
45179	490	16	_	_	NNP
45179	490	17	open	open	JJ
45179	490	18	_	_	NNP
45179	490	19	form	form	NN
45179	490	20	that	that	WDT
45179	490	21	preceded	precede	VBD
45179	490	22	it	-PRON-	PRP
45179	490	23	.	.	.
45179	490	24	"	"	''
45179	491	1	*	*	NFP
45179	491	2	*	*	NFP
45179	491	3	*	*	NFP
45179	491	4	"	"	``
45179	491	5	Closed	closed	JJ
45179	491	6	track	track	NN
45179	491	7	circuits	circuit	NNS
45179	491	8	are	be	VBP
45179	491	9	very	very	RB
45179	491	10	reliable	reliable	JJ
45179	491	11	,	,	,
45179	491	12	wholly	wholly	RB
45179	491	13	safe	safe	JJ
45179	491	14	in	in	IN
45179	491	15	principle	principle	NN
45179	491	16	,	,	,
45179	491	17	and	and	CC
45179	491	18	simple	simple	NN
45179	491	19	of	of	IN
45179	491	20	application	application	NN
45179	491	21	and	and	CC
45179	491	22	maintenance	maintenance	NN
45179	491	23	.	.	.
45179	491	24	"	"	''
45179	492	1	*	*	NFP
45179	492	2	*	*	NFP
45179	492	3	*	*	NFP
45179	492	4	"	"	``
45179	492	5	Attention	attention	NN
45179	492	6	is	be	VBZ
45179	492	7	therefore	therefore	RB
45179	492	8	directed	direct	VBN
45179	492	9	to	to	IN
45179	492	10	the	the	DT
45179	492	11	closed	closed	JJ
45179	492	12	track	track	NN
45179	492	13	circuit	circuit	NN
45179	492	14	--	--	:
45179	492	15	the	the	DT
45179	492	16	basis	basis	NN
45179	492	17	of	of	IN
45179	492	18	all	all	DT
45179	492	19	modern	modern	JJ
45179	492	20	automatic	automatic	JJ
45179	492	21	signal	signal	NN
45179	492	22	systems	system	NNS
45179	492	23	that	that	WDT
45179	492	24	are	be	VBP
45179	492	25	entitled	entitle	VBN
45179	492	26	to	to	TO
45179	492	27	recognition	recognition	VB
45179	492	28	as	as	IN
45179	492	29	embodying	embody	VBG
45179	492	30	the	the	DT
45179	492	31	highest	high	JJS
45179	492	32	attainments	attainment	NNS
45179	492	33	in	in	IN
45179	492	34	the	the	DT
45179	492	35	matter	matter	NN
45179	492	36	of	of	IN
45179	492	37	safety	safety	NN
45179	492	38	.	.	.
45179	492	39	"	"	''
45179	493	1	"	"	``
45179	493	2	The	the	DT
45179	493	3	Closed	Closed	NNP
45179	493	4	Track	Track	NNP
45179	493	5	Circuit	Circuit	NNP
45179	493	6	"	"	''
45179	493	7	The	the	DT
45179	493	8	closed	closed	JJ
45179	493	9	track	track	NN
45179	493	10	circuit	circuit	NN
45179	493	11	in	in	IN
45179	493	12	its	-PRON-	PRP$
45179	493	13	simplest	simple	JJS
45179	493	14	form	form	NN
45179	493	15	consists	consist	VBZ
45179	493	16	of	of	IN
45179	493	17	the	the	DT
45179	493	18	two	two	CD
45179	493	19	rails	rail	NNS
45179	493	20	of	of	IN
45179	493	21	a	a	DT
45179	493	22	section	section	NN
45179	493	23	acting	act	VBG
45179	493	24	as	as	IN
45179	493	25	prime	prime	JJ
45179	493	26	conductors	conductor	NNS
45179	493	27	,	,	,
45179	493	28	a	a	DT
45179	493	29	generator	generator	NN
45179	493	30	maintaining	maintain	VBG
45179	493	31	a	a	DT
45179	493	32	difference	difference	NN
45179	493	33	of	of	IN
45179	493	34	potential	potential	NN
45179	493	35	between	between	IN
45179	493	36	them	-PRON-	PRP
45179	493	37	when	when	WRB
45179	493	38	the	the	DT
45179	493	39	rails	rail	NNS
45179	493	40	are	be	VBP
45179	493	41	unoccupied	unoccupied	JJ
45179	493	42	,	,	,
45179	493	43	and	and	CC
45179	493	44	one	one	CD
45179	493	45	or	or	CC
45179	493	46	more	more	JJR
45179	493	47	relays	relay	NNS
45179	493	48	connected	connect	VBN
45179	493	49	across	across	IN
45179	493	50	the	the	DT
45179	493	51	rails	rail	NNS
45179	493	52	.	.	.
45179	493	53	"	"	''
45179	494	1	*	*	NFP
45179	494	2	*	*	NFP
45179	494	3	*	*	NFP
45179	494	4	"	"	``
45179	494	5	The	the	DT
45179	494	6	closed	closed	JJ
45179	494	7	track	track	NN
45179	494	8	circuit	circuit	NN
45179	494	9	maintains	maintain	VBZ
45179	494	10	the	the	DT
45179	494	11	relay	relay	NN
45179	494	12	,	,	,
45179	494	13	normally	normally	RB
45179	494	14	,	,	,
45179	494	15	in	in	IN
45179	494	16	an	an	DT
45179	494	17	energized	energized	JJ
45179	494	18	state	state	NN
45179	494	19	,	,	,
45179	494	20	and	and	CC
45179	494	21	the	the	DT
45179	494	22	influence	influence	NN
45179	494	23	of	of	IN
45179	494	24	the	the	DT
45179	494	25	train	train	NN
45179	494	26	upon	upon	IN
45179	494	27	the	the	DT
45179	494	28	rails	rail	NNS
45179	494	29	is	be	VBZ
45179	494	30	to	to	TO
45179	494	31	totally	totally	RB
45179	494	32	de	de	VB
45179	494	33	-	-	VB
45179	494	34	energize	energize	VB
45179	494	35	it	-PRON-	PRP
45179	494	36	by	by	IN
45179	494	37	shunting	shunt	VBG
45179	494	38	or	or	CC
45179	494	39	short	short	RB
45179	494	40	-	-	HYPH
45179	494	41	circuiting	circuit	VBG
45179	494	42	the	the	DT
45179	494	43	generator	generator	NN
45179	494	44	--	--	:
45179	494	45	a	a	DT
45179	494	46	thing	thing	NN
45179	494	47	as	as	RB
45179	494	48	effectively	effectively	RB
45179	494	49	done	do	VBN
45179	494	50	by	by	IN
45179	494	51	a	a	DT
45179	494	52	single	single	JJ
45179	494	53	car	car	NN
45179	494	54	or	or	CC
45179	494	55	locomotive	locomotive	JJ
45179	494	56	as	as	IN
45179	494	57	by	by	IN
45179	494	58	a	a	DT
45179	494	59	train	train	NN
45179	494	60	of	of	IN
45179	494	61	any	any	DT
45179	494	62	length	length	NN
45179	494	63	,	,	,
45179	494	64	for	for	IN
45179	494	65	all	all	DT
45179	494	66	practical	practical	JJ
45179	494	67	purposes	purpose	NNS
45179	494	68	.	.	.
45179	494	69	"	"	''
45179	495	1	*	*	NFP
45179	495	2	*	*	NFP
45179	495	3	*	*	NFP
45179	495	4	"	"	``
45179	495	5	A	a	DT
45179	495	6	failure	failure	NN
45179	495	7	of	of	IN
45179	495	8	the	the	DT
45179	495	9	generator	generator	NN
45179	495	10	or	or	CC
45179	495	11	a	a	DT
45179	495	12	break	break	NN
45179	495	13	in	in	IN
45179	495	14	the	the	DT
45179	495	15	circuit	circuit	NN
45179	495	16	,	,	,
45179	495	17	whether	whether	IN
45179	495	18	in	in	IN
45179	495	19	the	the	DT
45179	495	20	rails	rail	NNS
45179	495	21	themselves	-PRON-	PRP
45179	495	22	or	or	CC
45179	495	23	in	in	IN
45179	495	24	other	other	JJ
45179	495	25	parts	part	NNS
45179	495	26	of	of	IN
45179	495	27	the	the	DT
45179	495	28	circuit	circuit	NN
45179	495	29	,	,	,
45179	495	30	produces	produce	VBZ
45179	495	31	the	the	DT
45179	495	32	same	same	JJ
45179	495	33	effect	effect	NN
45179	495	34	upon	upon	IN
45179	495	35	the	the	DT
45179	495	36	relay	relay	NN
45179	495	37	as	as	IN
45179	495	38	that	that	DT
45179	495	39	of	of	IN
45179	495	40	a	a	DT
45179	495	41	train	train	NN
45179	495	42	upon	upon	IN
45179	495	43	the	the	DT
45179	495	44	rails	rail	NNS
45179	495	45	.	.	.
45179	496	1	"	"	``
45179	496	2	This	this	DT
45179	496	3	is	be	VBZ
45179	496	4	in	in	IN
45179	496	5	full	full	JJ
45179	496	6	conformity	conformity	NN
45179	496	7	with	with	IN
45179	496	8	the	the	DT
45179	496	9	accepted	accepted	JJ
45179	496	10	principles	principle	NNS
45179	496	11	of	of	IN
45179	496	12	safe	safe	JJ
45179	496	13	signaling	signaling	NN
45179	496	14	,	,	,
45179	496	15	which	which	WDT
45179	496	16	give	give	VBP
45179	496	17	heed	heed	NN
45179	496	18	not	not	RB
45179	496	19	alone	alone	JJ
45179	496	20	to	to	IN
45179	496	21	the	the	DT
45179	496	22	action	action	NN
45179	496	23	of	of	IN
45179	496	24	the	the	DT
45179	496	25	devices	device	NNS
45179	496	26	of	of	IN
45179	496	27	the	the	DT
45179	496	28	system	system	NN
45179	496	29	under	under	IN
45179	496	30	normal	normal	JJ
45179	496	31	conditions	condition	NNS
45179	496	32	,	,	,
45179	496	33	but	but	CC
45179	496	34	_	_	NNP
45179	496	35	embrace	embrace	NN
45179	496	36	also	also	RB
45179	496	37	an	an	DT
45179	496	38	equal	equal	JJ
45179	496	39	regard	regard	NN
45179	496	40	for	for	IN
45179	496	41	safe	safe	JJ
45179	496	42	results	result	NNS
45179	496	43	following	follow	VBG
45179	496	44	derangements	derangement	NNS
45179	496	45	of	of	IN
45179	496	46	them	-PRON-	PRP
45179	496	47	_	_	NNP
45179	496	48	.	.	.
45179	496	49	"	"	''
45179	497	1	Historical	historical	JJ
45179	497	2	Notes	Notes	NNPS
45179	497	3	In	in	IN
45179	497	4	this	this	DT
45179	497	5	connection	connection	NN
45179	497	6	a	a	DT
45179	497	7	few	few	JJ
45179	497	8	historical	historical	JJ
45179	497	9	notes	note	NNS
45179	497	10	on	on	IN
45179	497	11	the	the	DT
45179	497	12	origin	origin	NN
45179	497	13	and	and	CC
45179	497	14	introduction	introduction	NN
45179	497	15	of	of	IN
45179	497	16	the	the	DT
45179	497	17	closed	close	VBN
45179	497	18	rail	rail	NN
45179	497	19	circuit	circuit	NN
45179	497	20	system	system	NN
45179	497	21	of	of	IN
45179	497	22	automatic	automatic	JJ
45179	497	23	electric	electric	JJ
45179	497	24	block	block	NN
45179	497	25	signaling	signal	VBG
45179	497	26	on	on	IN
45179	497	27	railroads	railroad	NNS
45179	497	28	may	may	MD
45179	497	29	prove	prove	VB
45179	497	30	of	of	IN
45179	497	31	interest	interest	NN
45179	497	32	.	.	.
45179	498	1	In	in	IN
45179	498	2	1870	1870	CD
45179	498	3	Mr.	Mr.	NNP
45179	498	4	William	William	NNP
45179	498	5	Robinson	Robinson	NNP
45179	498	6	exhibited	exhibit	VBD
45179	498	7	at	at	IN
45179	498	8	the	the	DT
45179	498	9	American	American	NNP
45179	498	10	Institute	Institute	NNP
45179	498	11	Fair	Fair	NNP
45179	498	12	held	hold	VBD
45179	498	13	in	in	IN
45179	498	14	New	New	NNP
45179	498	15	York	York	NNP
45179	498	16	City	City	NNP
45179	498	17	,	,	,
45179	498	18	an	an	DT
45179	498	19	elaborate	elaborate	JJ
45179	498	20	working	working	NN
45179	498	21	model	model	NN
45179	498	22	of	of	IN
45179	498	23	an	an	DT
45179	498	24	automatic	automatic	JJ
45179	498	25	electric	electric	JJ
45179	498	26	signal	signal	NN
45179	498	27	system	system	NN
45179	498	28	for	for	IN
45179	498	29	railroads	railroad	NNS
45179	498	30	.	.	.
45179	499	1	This	this	DT
45179	499	2	was	be	VBD
45179	499	3	a	a	DT
45179	499	4	road	road	NN
45179	499	5	crossing	crossing	NN
45179	499	6	signal	signal	NN
45179	499	7	operated	operate	VBN
45179	499	8	by	by	IN
45179	499	9	trains	train	NNS
45179	499	10	approaching	approach	VBG
45179	499	11	in	in	IN
45179	499	12	either	either	DT
45179	499	13	direction	direction	NN
45179	499	14	.	.	.
45179	500	1	When	when	WRB
45179	500	2	at	at	IN
45179	500	3	a	a	DT
45179	500	4	suitable	suitable	JJ
45179	500	5	distance	distance	NN
45179	500	6	the	the	DT
45179	500	7	train	train	NN
45179	500	8	set	set	VBD
45179	500	9	a	a	DT
45179	500	10	gong	gong	NN
45179	500	11	ringing	ringing	NN
45179	500	12	at	at	IN
45179	500	13	the	the	DT
45179	500	14	road	road	NN
45179	500	15	crossing	crossing	NN
45179	500	16	ahead	ahead	RB
45179	500	17	,	,	,
45179	500	18	which	which	WDT
45179	500	19	continued	continue	VBD
45179	500	20	sounding	sound	VBG
45179	500	21	an	an	DT
45179	500	22	alarm	alarm	NN
45179	500	23	until	until	IN
45179	500	24	the	the	DT
45179	500	25	train	train	NN
45179	500	26	had	have	VBD
45179	500	27	passed	pass	VBN
45179	500	28	,	,	,
45179	500	29	when	when	WRB
45179	500	30	it	-PRON-	PRP
45179	500	31	ceased	cease	VBD
45179	500	32	ringing	ring	VBG
45179	500	33	.	.	.
45179	501	1	In	in	IN
45179	501	2	this	this	DT
45179	501	3	model	model	NN
45179	501	4	the	the	DT
45179	501	5	relays	relay	NNS
45179	501	6	were	be	VBD
45179	501	7	de	de	VBN
45179	501	8	-	-	VBN
45179	501	9	energized	energize	VBN
45179	501	10	by	by	IN
45179	501	11	short	short	JJ
45179	501	12	circuiting	circuiting	NN
45179	501	13	,	,	,
45179	501	14	although	although	IN
45179	501	15	the	the	DT
45179	501	16	signal	signal	NN
45179	501	17	was	be	VBD
45179	501	18	operated	operate	VBN
45179	501	19	on	on	IN
45179	501	20	the	the	DT
45179	501	21	normally	normally	RB
45179	501	22	open	open	JJ
45179	501	23	circuit	circuit	NN
45179	501	24	plan	plan	NN
45179	501	25	.	.	.
45179	502	1	This	this	DT
45179	502	2	is	be	VBZ
45179	502	3	believed	believe	VBN
45179	502	4	to	to	TO
45179	502	5	be	be	VB
45179	502	6	the	the	DT
45179	502	7	first	first	JJ
45179	502	8	case	case	NN
45179	502	9	in	in	IN
45179	502	10	which	which	WDT
45179	502	11	short	short	RB
45179	502	12	-	-	HYPH
45179	502	13	circuiting	circuiting	NN
45179	502	14	had	have	VBD
45179	502	15	been	be	VBN
45179	502	16	used	use	VBN
45179	502	17	in	in	IN
45179	502	18	the	the	DT
45179	502	19	operation	operation	NN
45179	502	20	of	of	IN
45179	502	21	railway	railway	NN
45179	502	22	signals	signal	NNS
45179	502	23	.	.	.
45179	503	1	In	in	IN
45179	503	2	1871	1871	CD
45179	503	3	Mr.	Mr.	NNP
45179	503	4	Robinson	Robinson	NNP
45179	503	5	installed	instal	VBD
45179	503	6	this	this	DT
45179	503	7	system	system	NN
45179	503	8	as	as	IN
45179	503	9	an	an	DT
45179	503	10	automatic	automatic	JJ
45179	503	11	block	block	NN
45179	503	12	signal	signal	NN
45179	503	13	on	on	IN
45179	503	14	a	a	DT
45179	503	15	block	block	NN
45179	503	16	over	over	IN
45179	503	17	a	a	DT
45179	503	18	mile	mile	NN
45179	503	19	in	in	IN
45179	503	20	length	length	NN
45179	503	21	,	,	,
45179	503	22	at	at	IN
45179	503	23	Kinzua	Kinzua	NNP
45179	503	24	,	,	,
45179	503	25	Pa.	Pennsylvania	NNP
45179	503	26	,	,	,
45179	503	27	on	on	IN
45179	503	28	the	the	DT
45179	503	29	Philadelphia	Philadelphia	NNP
45179	503	30	and	and	CC
45179	503	31	Erie	Erie	NNP
45179	503	32	Railroad	Railroad	NNP
45179	503	33	.	.	.
45179	504	1	This	this	DT
45179	504	2	installation	installation	NN
45179	504	3	embodied	embody	VBD
45179	504	4	a	a	DT
45179	504	5	relay	relay	NN
45179	504	6	,	,	,
45179	504	7	a	a	DT
45179	504	8	large	large	JJ
45179	504	9	visual	visual	JJ
45179	504	10	signal	signal	NN
45179	504	11	under	under	IN
45179	504	12	control	control	NN
45179	504	13	of	of	IN
45179	504	14	the	the	DT
45179	504	15	relay	relay	NN
45179	504	16	,	,	,
45179	504	17	a	a	DT
45179	504	18	heavy	heavy	JJ
45179	504	19	electric	electric	JJ
45179	504	20	gong	gong	NN
45179	504	21	operated	operate	VBN
45179	504	22	in	in	IN
45179	504	23	conjunction	conjunction	NN
45179	504	24	with	with	IN
45179	504	25	the	the	DT
45179	504	26	visual	visual	JJ
45179	504	27	signal	signal	NN
45179	504	28	,	,	,
45179	504	29	all	all	RB
45179	504	30	at	at	IN
45179	504	31	the	the	DT
45179	504	32	signal	signal	NN
45179	504	33	station	station	NN
45179	504	34	.	.	.
45179	505	1	From	from	IN
45179	505	2	this	this	DT
45179	505	3	station	station	NN
45179	505	4	an	an	DT
45179	505	5	overlap	overlap	NN
45179	505	6	extended	extend	VBN
45179	505	7	to	to	IN
45179	505	8	the	the	DT
45179	505	9	agent	agent	NN
45179	505	10	's	's	POS
45179	505	11	station	station	NN
45179	505	12	a	a	DT
45179	505	13	mile	mile	NN
45179	505	14	ahead	ahead	RB
45179	505	15	.	.	.
45179	506	1	Here	here	RB
45179	506	2	a	a	DT
45179	506	3	signal	signal	NN
45179	506	4	bell	bell	NN
45179	506	5	was	be	VBD
45179	506	6	provided	provide	VBN
45179	506	7	so	so	IN
45179	506	8	that	that	IN
45179	506	9	when	when	WRB
45179	506	10	the	the	DT
45179	506	11	visual	visual	JJ
45179	506	12	signal	signal	NN
45179	506	13	was	be	VBD
45179	506	14	actually	actually	RB
45179	506	15	in	in	IN
45179	506	16	the	the	DT
45179	506	17	danger	danger	NN
45179	506	18	position	position	NN
45179	506	19	it	-PRON-	PRP
45179	506	20	closed	close	VBD
45179	506	21	circuit	circuit	NN
45179	506	22	on	on	IN
45179	506	23	the	the	DT
45179	506	24	bell	bell	NN
45179	506	25	magnet	magnet	NN
45179	506	26	in	in	IN
45179	506	27	the	the	DT
45179	506	28	agent	agent	NN
45179	506	29	's	's	POS
45179	506	30	station	station	NN
45179	506	31	,	,	,
45179	506	32	the	the	DT
45179	506	33	hammer	hammer	NN
45179	506	34	remaining	remain	VBG
45179	506	35	against	against	IN
45179	506	36	the	the	DT
45179	506	37	bell	bell	NN
45179	506	38	until	until	IN
45179	506	39	the	the	DT
45179	506	40	reversal	reversal	NN
45179	506	41	of	of	IN
45179	506	42	the	the	DT
45179	506	43	distant	distant	JJ
45179	506	44	signal	signal	NN
45179	506	45	opened	open	VBD
45179	506	46	the	the	DT
45179	506	47	circuit	circuit	NN
45179	506	48	of	of	IN
45179	506	49	this	this	DT
45179	506	50	check	check	NN
45179	506	51	signal	signal	NN
45179	506	52	.	.	.
45179	507	1	This	this	DT
45179	507	2	system	system	NN
45179	507	3	worked	work	VBD
45179	507	4	perfectly	perfectly	RB
45179	507	5	,	,	,
45179	507	6	performing	perform	VBG
45179	507	7	all	all	DT
45179	507	8	claimed	claim	VBD
45179	507	9	for	for	IN
45179	507	10	it	-PRON-	PRP
45179	507	11	;	;	:
45179	507	12	but	but	CC
45179	507	13	it	-PRON-	PRP
45179	507	14	was	be	VBD
45179	507	15	a	a	DT
45179	507	16	normally	normally	RB
45179	507	17	open	open	JJ
45179	507	18	circuit	circuit	NN
45179	507	19	system	system	NN
45179	507	20	,	,	,
45179	507	21	the	the	DT
45179	507	22	only	only	JJ
45179	507	23	principle	principle	NN
45179	507	24	ever	ever	RB
45179	507	25	dreamed	dream	VBN
45179	507	26	of	of	IN
45179	507	27	up	up	IN
45179	507	28	to	to	IN
45179	507	29	that	that	DT
45179	507	30	time	time	NN
45179	507	31	for	for	IN
45179	507	32	operating	operate	VBG
45179	507	33	an	an	DT
45179	507	34	automatic	automatic	JJ
45179	507	35	electric	electric	JJ
45179	507	36	railway	railway	NN
45179	507	37	signal	signal	NN
45179	507	38	.	.	.
45179	508	1	Immediately	immediately	RB
45179	508	2	on	on	IN
45179	508	3	the	the	DT
45179	508	4	completion	completion	NN
45179	508	5	of	of	IN
45179	508	6	this	this	DT
45179	508	7	open	open	JJ
45179	508	8	circuit	circuit	NN
45179	508	9	installation	installation	NN
45179	508	10	Mr.	Mr.	NNP
45179	508	11	Robinson	Robinson	NNP
45179	508	12	began	begin	VBD
45179	508	13	to	to	TO
45179	508	14	look	look	VB
45179	508	15	for	for	IN
45179	508	16	weak	weak	JJ
45179	508	17	points	point	NNS
45179	508	18	about	about	IN
45179	508	19	it	-PRON-	PRP
45179	508	20	,	,	,
45179	508	21	and	and	CC
45179	508	22	soon	soon	RB
45179	508	23	discovered	discover	VBD
45179	508	24	several	several	JJ
45179	508	25	now	now	RB
45179	508	26	well	well	RB
45179	508	27	known	know	VBN
45179	508	28	as	as	IN
45179	508	29	inherent	inherent	JJ
45179	508	30	in	in	IN
45179	508	31	all	all	DT
45179	508	32	normally	normally	RB
45179	508	33	open	open	JJ
45179	508	34	circuit	circuit	NN
45179	508	35	systems	system	NNS
45179	508	36	,	,	,
45179	508	37	not	not	RB
45179	508	38	the	the	DT
45179	508	39	least	least	JJS
45179	508	40	of	of	IN
45179	508	41	which	which	WDT
45179	508	42	was	be	VBD
45179	508	43	that	that	IN
45179	508	44	if	if	IN
45179	508	45	the	the	DT
45179	508	46	circuit	circuit	NN
45179	508	47	were	be	VBD
45179	508	48	broken	break	VBN
45179	508	49	or	or	CC
45179	508	50	the	the	DT
45179	508	51	current	current	NN
45179	508	52	failed	fail	VBD
45179	508	53	from	from	IN
45179	508	54	any	any	DT
45179	508	55	cause	cause	NN
45179	508	56	the	the	DT
45179	508	57	signal	signal	NN
45179	508	58	would	would	MD
45179	508	59	remain	remain	VB
45179	508	60	at	at	IN
45179	508	61	safety	safety	NN
45179	508	62	,	,	,
45179	508	63	thus	thus	RB
45179	508	64	showing	show	VBG
45179	508	65	a	a	DT
45179	508	66	false	false	JJ
45179	508	67	signal	signal	NN
45179	508	68	although	although	IN
45179	508	69	danger	danger	NN
45179	508	70	might	may	MD
45179	508	71	be	be	VB
45179	508	72	imminent	imminent	JJ
45179	508	73	,	,	,
45179	508	74	a	a	DT
45179	508	75	radical	radical	JJ
45179	508	76	error	error	NN
45179	508	77	in	in	IN
45179	508	78	principle	principle	NN
45179	508	79	fatal	fatal	JJ
45179	508	80	to	to	IN
45179	508	81	the	the	DT
45179	508	82	reliability	reliability	NN
45179	508	83	of	of	IN
45179	508	84	any	any	DT
45179	508	85	normally	normally	RB
45179	508	86	open	open	JJ
45179	508	87	circuit	circuit	NN
45179	508	88	system	system	NN
45179	508	89	of	of	IN
45179	508	90	signaling	signal	VBG
45179	508	91	.	.	.
45179	509	1	He	-PRON-	PRP
45179	509	2	therefore	therefore	RB
45179	509	3	,	,	,
45179	509	4	after	after	IN
45179	509	5	much	much	JJ
45179	509	6	study	study	NN
45179	509	7	,	,	,
45179	509	8	devised	devise	VBD
45179	509	9	the	the	DT
45179	509	10	closed	closed	JJ
45179	509	11	track	track	NN
45179	509	12	circuit	circuit	NN
45179	509	13	system	system	NN
45179	509	14	,	,	,
45179	509	15	the	the	DT
45179	509	16	construction	construction	NN
45179	509	17	and	and	CC
45179	509	18	operation	operation	NN
45179	509	19	of	of	IN
45179	509	20	which	which	WDT
45179	509	21	are	be	VBP
45179	509	22	clearly	clearly	RB
45179	509	23	described	describe	VBN
45179	509	24	above	above	RB
45179	509	25	by	by	IN
45179	509	26	the	the	DT
45179	509	27	Interstate	Interstate	NNP
45179	509	28	Commerce	Commerce	NNP
45179	509	29	Commission	Commission	NNP
45179	509	30	.	.	.
45179	510	1	In	in	IN
45179	510	2	devising	devise	VBG
45179	510	3	this	this	DT
45179	510	4	system	system	NN
45179	510	5	Mr.	Mr.	NNP
45179	510	6	Robinson	Robinson	NNP
45179	510	7	reasoned	reason	VBD
45179	510	8	that	that	DT
45179	510	9	to	to	TO
45179	510	10	make	make	VB
45179	510	11	an	an	DT
45179	510	12	efficient	efficient	JJ
45179	510	13	and	and	CC
45179	510	14	reliable	reliable	JJ
45179	510	15	system	system	NN
45179	510	16	every	every	DT
45179	510	17	pair	pair	NN
45179	510	18	of	of	IN
45179	510	19	wheels	wheel	NNS
45179	510	20	in	in	IN
45179	510	21	the	the	DT
45179	510	22	train	train	NN
45179	510	23	must	must	MD
45179	510	24	control	control	VB
45179	510	25	the	the	DT
45179	510	26	signal	signal	NN
45179	510	27	,	,	,
45179	510	28	whereby	whereby	WRB
45179	510	29	a	a	DT
45179	510	30	single	single	JJ
45179	510	31	car	car	NN
45179	510	32	on	on	IN
45179	510	33	the	the	DT
45179	510	34	block	block	NN
45179	510	35	,	,	,
45179	510	36	or	or	CC
45179	510	37	a	a	DT
45179	510	38	break	break	NN
45179	510	39	in	in	IN
45179	510	40	any	any	DT
45179	510	41	part	part	NN
45179	510	42	of	of	IN
45179	510	43	the	the	DT
45179	510	44	circuit	circuit	NN
45179	510	45	,	,	,
45179	510	46	or	or	CC
45179	510	47	loss	loss	NN
45179	510	48	of	of	IN
45179	510	49	current	current	NN
45179	510	50	from	from	IN
45179	510	51	any	any	DT
45179	510	52	cause	cause	NN
45179	510	53	affecting	affect	VBG
45179	510	54	the	the	DT
45179	510	55	relay	relay	NN
45179	510	56	,	,	,
45179	510	57	would	would	MD
45179	510	58	keep	keep	VB
45179	510	59	the	the	DT
45179	510	60	signal	signal	NN
45179	510	61	at	at	IN
45179	510	62	danger	danger	NN
45179	510	63	as	as	RB
45179	510	64	effectively	effectively	RB
45179	510	65	as	as	IN
45179	510	66	the	the	DT
45179	510	67	presence	presence	NN
45179	510	68	of	of	IN
45179	510	69	a	a	DT
45179	510	70	whole	whole	JJ
45179	510	71	train	train	NN
45179	510	72	on	on	IN
45179	510	73	the	the	DT
45179	510	74	block	block	NN
45179	510	75	.	.	.
45179	511	1	These	these	DT
45179	511	2	considerations	consideration	NNS
45179	511	3	led	lead	VBD
45179	511	4	him	-PRON-	PRP
45179	511	5	to	to	IN
45179	511	6	the	the	DT
45179	511	7	invention	invention	NN
45179	511	8	of	of	IN
45179	511	9	the	the	DT
45179	511	10	closed	closed	JJ
45179	511	11	track	track	NN
45179	511	12	circuit	circuit	NN
45179	511	13	operating	operating	NN
45179	511	14	as	as	RB
45179	511	15	heretofore	heretofore	RB
45179	511	16	clearly	clearly	RB
45179	511	17	described	describe	VBN
45179	511	18	by	by	IN
45179	511	19	the	the	DT
45179	511	20	Interstate	Interstate	NNP
45179	511	21	Commerce	Commerce	NNP
45179	511	22	Commission	Commission	NNP
45179	511	23	.	.	.
45179	512	1	Before	before	IN
45179	512	2	making	make	VBG
45179	512	3	tests	test	NNS
45179	512	4	of	of	IN
45179	512	5	the	the	DT
45179	512	6	system	system	NN
45179	512	7	,	,	,
45179	512	8	however	however	RB
45179	512	9	,	,	,
45179	512	10	he	-PRON-	PRP
45179	512	11	applied	apply	VBD
45179	512	12	for	for	IN
45179	512	13	and	and	CC
45179	512	14	was	be	VBD
45179	512	15	allowed	allow	VBN
45179	512	16	basic	basic	JJ
45179	512	17	patents	patent	NNS
45179	512	18	on	on	IN
45179	512	19	the	the	DT
45179	512	20	closed	closed	JJ
45179	512	21	track	track	NN
45179	512	22	circuit	circuit	NN
45179	512	23	system	system	NN
45179	512	24	in	in	IN
45179	512	25	the	the	DT
45179	512	26	United	United	NNP
45179	512	27	States	States	NNP
45179	512	28	and	and	CC
45179	512	29	France	France	NNP
45179	512	30	,	,	,
45179	512	31	the	the	DT
45179	512	32	United	United	NNP
45179	512	33	States	States	NNP
45179	512	34	patent	patent	NN
45179	512	35	dated	date	VBN
45179	512	36	August	August	NNP
45179	512	37	20	20	CD
45179	512	38	,	,	,
45179	512	39	1872	1872	CD
45179	512	40	,	,	,
45179	512	41	No	no	UH
45179	512	42	.	.	.
45179	513	1	130,661	130,661	CD
45179	513	2	,	,	,
45179	513	3	and	and	CC
45179	513	4	the	the	DT
45179	513	5	French	french	JJ
45179	513	6	patent	patent	NN
45179	513	7	February	February	NNP
45179	513	8	29	29	CD
45179	513	9	,	,	,
45179	513	10	1872	1872	CD
45179	513	11	,	,	,
45179	513	12	No	no	UH
45179	513	13	.	.	.
45179	514	1	94,393	94,393	CD
45179	514	2	.	.	.
45179	515	1	Having	have	VBG
45179	515	2	all	all	PDT
45179	515	3	the	the	DT
45179	515	4	signal	signal	JJ
45179	515	5	apparatus	apparatus	NN
45179	515	6	in	in	IN
45179	515	7	operation	operation	NN
45179	515	8	at	at	IN
45179	515	9	Kinzua	Kinzua	NNP
45179	515	10	,	,	,
45179	515	11	in	in	IN
45179	515	12	the	the	DT
45179	515	13	open	open	JJ
45179	515	14	circuit	circuit	NN
45179	515	15	system	system	NN
45179	515	16	,	,	,
45179	515	17	as	as	IN
45179	515	18	above	above	RB
45179	515	19	described	describe	VBN
45179	515	20	,	,	,
45179	515	21	it	-PRON-	PRP
45179	515	22	was	be	VBD
45179	515	23	a	a	DT
45179	515	24	simple	simple	JJ
45179	515	25	matter	matter	NN
45179	515	26	for	for	IN
45179	515	27	him	-PRON-	PRP
45179	515	28	to	to	TO
45179	515	29	test	test	VB
45179	515	30	the	the	DT
45179	515	31	closed	close	VBN
45179	515	32	circuit	circuit	NN
45179	515	33	system	system	NN
45179	515	34	at	at	IN
45179	515	35	this	this	DT
45179	515	36	point	point	NN
45179	515	37	.	.	.
45179	516	1	He	-PRON-	PRP
45179	516	2	therefore	therefore	RB
45179	516	3	divided	divide	VBD
45179	516	4	the	the	DT
45179	516	5	opposite	opposite	JJ
45179	516	6	rails	rail	NNS
45179	516	7	of	of	IN
45179	516	8	the	the	DT
45179	516	9	track	track	NN
45179	516	10	into	into	IN
45179	516	11	sections	section	NNS
45179	516	12	insulated	insulate	VBN
45179	516	13	from	from	IN
45179	516	14	the	the	DT
45179	516	15	adjacent	adjacent	JJ
45179	516	16	continuous	continuous	JJ
45179	516	17	track	track	NN
45179	516	18	rails	rail	NNS
45179	516	19	and	and	CC
45179	516	20	connected	connect	VBD
45179	516	21	the	the	DT
45179	516	22	relay	relay	NN
45179	516	23	terminals	terminal	NNS
45179	516	24	to	to	IN
45179	516	25	these	these	DT
45179	516	26	sections	section	NNS
45179	516	27	at	at	IN
45179	516	28	one	one	CD
45179	516	29	end	end	NN
45179	516	30	and	and	CC
45179	516	31	similarly	similarly	RB
45179	516	32	connected	connect	VBD
45179	516	33	a	a	DT
45179	516	34	battery	battery	NN
45179	516	35	thereto	thereto	NN
45179	516	36	at	at	IN
45179	516	37	a	a	DT
45179	516	38	suitable	suitable	JJ
45179	516	39	distance	distance	NN
45179	516	40	from	from	IN
45179	516	41	the	the	DT
45179	516	42	relay	relay	NN
45179	516	43	,	,	,
45179	516	44	thus	thus	RB
45179	516	45	forming	form	VBG
45179	516	46	a	a	DT
45179	516	47	closed	closed	JJ
45179	516	48	track	track	NN
45179	516	49	circuit	circuit	NN
45179	516	50	.	.	.
45179	517	1	This	this	DT
45179	517	2	being	be	VBG
45179	517	3	done	do	VBN
45179	517	4	,	,	,
45179	517	5	the	the	DT
45179	517	6	first	first	JJ
45179	517	7	train	train	NN
45179	517	8	that	that	WDT
45179	517	9	passed	pass	VBD
45179	517	10	connected	connect	VBN
45179	517	11	the	the	DT
45179	517	12	opposite	opposite	JJ
45179	517	13	rail	rail	NN
45179	517	14	lines	line	NNS
45179	517	15	through	through	IN
45179	517	16	the	the	DT
45179	517	17	wheels	wheel	NNS
45179	517	18	and	and	CC
45179	517	19	axles	axle	NNS
45179	517	20	,	,	,
45179	517	21	short	short	JJ
45179	517	22	circuited	circuit	VBD
45179	517	23	the	the	DT
45179	517	24	relay	relay	NN
45179	517	25	,	,	,
45179	517	26	thus	thus	RB
45179	517	27	operating	operate	VBG
45179	517	28	all	all	PDT
45179	517	29	the	the	DT
45179	517	30	signal	signal	NN
45179	517	31	circuits	circuit	NNS
45179	517	32	under	under	IN
45179	517	33	its	-PRON-	PRP$
45179	517	34	control	control	NN
45179	517	35	,	,	,
45179	517	36	thereby	thereby	RB
45179	517	37	practically	practically	RB
45179	517	38	demonstrating	demonstrate	VBG
45179	517	39	the	the	DT
45179	517	40	feasibility	feasibility	NN
45179	517	41	of	of	IN
45179	517	42	the	the	DT
45179	517	43	system	system	NN
45179	517	44	.	.	.
45179	518	1	This	this	DT
45179	518	2	was	be	VBD
45179	518	3	in	in	IN
45179	518	4	1872	1872	CD
45179	518	5	.	.	.
45179	519	1	This	this	DT
45179	519	2	block	block	NN
45179	519	3	was	be	VBD
45179	519	4	extended	extend	VBN
45179	519	5	to	to	IN
45179	519	6	the	the	DT
45179	519	7	agent	agent	NN
45179	519	8	's	's	POS
45179	519	9	station	station	NN
45179	519	10	over	over	IN
45179	519	11	a	a	DT
45179	519	12	mile	mile	NN
45179	519	13	from	from	IN
45179	519	14	the	the	DT
45179	519	15	signal	signal	NN
45179	519	16	,	,	,
45179	519	17	at	at	IN
45179	519	18	which	which	WDT
45179	519	19	station	station	NN
45179	519	20	the	the	DT
45179	519	21	track	track	NN
45179	519	22	battery	battery	NN
45179	519	23	was	be	VBD
45179	519	24	placed	place	VBN
45179	519	25	and	and	CC
45179	519	26	also	also	RB
45179	519	27	a	a	DT
45179	519	28	switch	switch	NN
45179	519	29	for	for	IN
45179	519	30	the	the	DT
45179	519	31	manual	manual	JJ
45179	519	32	operation	operation	NN
45179	519	33	of	of	IN
45179	519	34	the	the	DT
45179	519	35	signal	signal	NN
45179	519	36	,	,	,
45179	519	37	and	and	CC
45179	519	38	also	also	RB
45179	519	39	an	an	DT
45179	519	40	overlapping	overlap	VBG
45179	519	41	telltale	telltale	JJ
45179	519	42	signal	signal	NN
45179	519	43	showing	show	VBG
45179	519	44	to	to	IN
45179	519	45	the	the	DT
45179	519	46	agent	agent	NN
45179	519	47	when	when	WRB
45179	519	48	the	the	DT
45179	519	49	distant	distant	JJ
45179	519	50	main	main	JJ
45179	519	51	signal	signal	NN
45179	519	52	was	be	VBD
45179	519	53	actually	actually	RB
45179	519	54	exposed	expose	VBN
45179	519	55	at	at	IN
45179	519	56	danger	danger	NN
45179	519	57	.	.	.
45179	520	1	The	the	DT
45179	520	2	signal	signal	NN
45179	520	3	also	also	RB
45179	520	4	indicated	indicate	VBD
45179	520	5	to	to	IN
45179	520	6	the	the	DT
45179	520	7	agent	agent	NN
45179	520	8	the	the	DT
45179	520	9	approach	approach	NN
45179	520	10	of	of	IN
45179	520	11	a	a	DT
45179	520	12	train	train	NN
45179	520	13	when	when	WRB
45179	520	14	a	a	DT
45179	520	15	mile	mile	NN
45179	520	16	away	away	RB
45179	520	17	.	.	.
45179	521	1	Another	another	DT
45179	521	2	installation	installation	NN
45179	521	3	was	be	VBD
45179	521	4	immediately	immediately	RB
45179	521	5	ordered	order	VBN
45179	521	6	to	to	TO
45179	521	7	be	be	VB
45179	521	8	made	make	VBN
45179	521	9	at	at	IN
45179	521	10	Irvineton	Irvineton	NNP
45179	521	11	on	on	IN
45179	521	12	the	the	DT
45179	521	13	same	same	JJ
45179	521	14	road	road	NN
45179	521	15	.	.	.
45179	522	1	This	this	DT
45179	522	2	was	be	VBD
45179	522	3	completed	complete	VBN
45179	522	4	early	early	RB
45179	522	5	in	in	IN
45179	522	6	1873	1873	CD
45179	522	7	and	and	CC
45179	522	8	worked	work	VBD
45179	522	9	perfectly	perfectly	RB
45179	522	10	from	from	IN
45179	522	11	the	the	DT
45179	522	12	beginning	beginning	NN
45179	522	13	,	,	,
45179	522	14	performing	perform	VBG
45179	522	15	all	all	PDT
45179	522	16	the	the	DT
45179	522	17	functions	function	NNS
45179	522	18	described	describe	VBN
45179	522	19	in	in	IN
45179	522	20	connection	connection	NN
45179	522	21	with	with	IN
45179	522	22	the	the	DT
45179	522	23	installation	installation	NN
45179	522	24	at	at	IN
45179	522	25	Kinzua	Kinzua	NNP
45179	522	26	.	.	.
45179	523	1	The	the	DT
45179	523	2	locomotive	locomotive	JJ
45179	523	3	engineers	engineer	NNS
45179	523	4	were	be	VBD
45179	523	5	greatly	greatly	RB
45179	523	6	interested	interested	JJ
45179	523	7	and	and	CC
45179	523	8	soon	soon	RB
45179	523	9	christened	christen	VBD
45179	523	10	the	the	DT
45179	523	11	Irvineton	Irvineton	NNP
45179	523	12	signal	signal	NN
45179	523	13	"	"	``
45179	523	14	The	The	NNP
45179	523	15	Old	Old	NNP
45179	523	16	Reliable	Reliable	NNP
45179	523	17	.	.	.
45179	523	18	"	"	''
45179	524	1	This	this	DT
45179	524	2	was	be	VBD
45179	524	3	followed	follow	VBN
45179	524	4	by	by	IN
45179	524	5	other	other	JJ
45179	524	6	installations	installation	NNS
45179	524	7	on	on	IN
45179	524	8	this	this	DT
45179	524	9	road	road	NN
45179	524	10	and	and	CC
45179	524	11	in	in	IN
45179	524	12	1873	1873	CD
45179	524	13	Mr.	Mr.	NNP
45179	524	14	Robinson	Robinson	NNP
45179	524	15	had	have	VBD
45179	524	16	made	make	VBN
45179	524	17	installations	installation	NNS
45179	524	18	of	of	IN
45179	524	19	his	-PRON-	PRP$
45179	524	20	closed	close	VBN
45179	524	21	rail	rail	NN
45179	524	22	circuit	circuit	NN
45179	524	23	system	system	NN
45179	524	24	of	of	IN
45179	524	25	signaling	signal	VBG
45179	524	26	on	on	IN
45179	524	27	four	four	CD
45179	524	28	different	different	JJ
45179	524	29	railroads	railroad	NNS
45179	524	30	,	,	,
45179	524	31	followed	follow	VBN
45179	524	32	by	by	IN
45179	524	33	various	various	JJ
45179	524	34	installations	installation	NNS
45179	524	35	on	on	IN
45179	524	36	many	many	JJ
45179	524	37	other	other	JJ
45179	524	38	railroads	railroad	NNS
45179	524	39	in	in	IN
45179	524	40	the	the	DT
45179	524	41	following	follow	VBG
45179	524	42	years	year	NNS
45179	524	43	,	,	,
45179	524	44	as	as	IN
45179	524	45	he	-PRON-	PRP
45179	524	46	was	be	VBD
45179	524	47	the	the	DT
45179	524	48	sole	sole	JJ
45179	524	49	owner	owner	NN
45179	524	50	of	of	IN
45179	524	51	the	the	DT
45179	524	52	system	system	NN
45179	524	53	for	for	IN
45179	524	54	about	about	RB
45179	524	55	nine	nine	CD
45179	524	56	years	year	NNS
45179	524	57	,	,	,
45179	524	58	that	that	RB
45179	524	59	is	is	RB
45179	524	60	,	,	,
45179	524	61	until	until	IN
45179	524	62	about	about	IN
45179	524	63	1880	1880	CD
45179	524	64	or	or	CC
45179	524	65	1881	1881	CD
45179	524	66	,	,	,
45179	524	67	when	when	WRB
45179	524	68	the	the	DT
45179	524	69	Westinghouse	Westinghouse	NNP
45179	524	70	people	people	NNS
45179	524	71	obtained	obtain	VBD
45179	524	72	control	control	NN
45179	524	73	of	of	IN
45179	524	74	the	the	DT
45179	524	75	system	system	NN
45179	524	76	by	by	IN
45179	524	77	the	the	DT
45179	524	78	purchase	purchase	NN
45179	524	79	of	of	IN
45179	524	80	Robinson	Robinson	NNP
45179	524	81	's	's	POS
45179	524	82	interests	interest	NNS
45179	524	83	.	.	.
45179	525	1	This	this	DT
45179	525	2	was	be	VBD
45179	525	3	promptly	promptly	RB
45179	525	4	followed	follow	VBN
45179	525	5	by	by	IN
45179	525	6	a	a	DT
45179	525	7	reorganization	reorganization	NN
45179	525	8	under	under	IN
45179	525	9	the	the	DT
45179	525	10	name	name	NN
45179	525	11	of	of	IN
45179	525	12	the	the	DT
45179	525	13	Union	Union	NNP
45179	525	14	Switch	Switch	NNP
45179	525	15	and	and	CC
45179	525	16	Signal	Signal	NNP
45179	525	17	Company	Company	NNP
45179	525	18	,	,	,
45179	525	19	the	the	DT
45179	525	20	terms	term	NNS
45179	525	21	"	"	``
45179	525	22	Union	Union	NNP
45179	525	23	"	"	''
45179	525	24	and	and	CC
45179	525	25	"	"	``
45179	525	26	Signal	Signal	NNP
45179	525	27	"	"	''
45179	525	28	representing	represent	VBG
45179	525	29	the	the	DT
45179	525	30	Robinson	Robinson	NNP
45179	525	31	interests	interest	NNS
45179	525	32	in	in	IN
45179	525	33	the	the	DT
45179	525	34	reorganization	reorganization	NN
45179	525	35	.	.	.
45179	526	1	This	this	DT
45179	526	2	company	company	NN
45179	526	3	thus	thus	RB
45179	526	4	became	become	VBD
45179	526	5	the	the	DT
45179	526	6	sole	sole	JJ
45179	526	7	owner	owner	NN
45179	526	8	of	of	IN
45179	526	9	the	the	DT
45179	526	10	Robinson	Robinson	NNP
45179	526	11	Closed	Closed	NNP
45179	526	12	Circuit	Circuit	NNP
45179	526	13	System	System	NNP
45179	526	14	of	of	IN
45179	526	15	signaling	signal	VBG
45179	526	16	until	until	IN
45179	526	17	the	the	DT
45179	526	18	expiration	expiration	NN
45179	526	19	of	of	IN
45179	526	20	his	-PRON-	PRP$
45179	526	21	patents	patent	NNS
45179	526	22	,	,	,
45179	526	23	when	when	WRB
45179	526	24	all	all	DT
45179	526	25	other	other	JJ
45179	526	26	signal	signal	JJ
45179	526	27	companies	company	NNS
45179	526	28	adopted	adopt	VBD
45179	526	29	the	the	DT
45179	526	30	Robinson	Robinson	NNP
45179	526	31	system	system	NN
45179	526	32	as	as	IN
45179	526	33	the	the	DT
45179	526	34	basis	basis	NN
45179	526	35	of	of	IN
45179	526	36	their	-PRON-	PRP$
45179	526	37	signal	signal	NN
45179	526	38	work	work	NN
45179	526	39	.	.	.
45179	527	1	The	the	DT
45179	527	2	original	original	JJ
45179	527	3	name	name	NN
45179	527	4	of	of	IN
45179	527	5	the	the	DT
45179	527	6	Robinson	Robinson	NNP
45179	527	7	Company	Company	NNP
45179	527	8	was	be	VBD
45179	527	9	_	_	NNP
45179	527	10	The	the	DT
45179	527	11	Union	Union	NNP
45179	527	12	Electric	Electric	NNP
45179	527	13	Signal	Signal	NNP
45179	527	14	Company	Company	NNP
45179	527	15	_	_	NNP
45179	527	16	,	,	,
45179	527	17	which	which	WDT
45179	527	18	Robinson	Robinson	NNP
45179	527	19	organized	organize	VBD
45179	527	20	and	and	CC
45179	527	21	owned	own	VBN
45179	527	22	in	in	IN
45179	527	23	1878	1878	CD
45179	527	24	.	.	.
45179	528	1	In	in	IN
45179	528	2	the	the	DT
45179	528	3	reorganization	reorganization	NN
45179	528	4	the	the	DT
45179	528	5	word	word	NN
45179	528	6	"	"	``
45179	528	7	Electric	Electric	NNP
45179	528	8	"	"	''
45179	528	9	was	be	VBD
45179	528	10	canceled	cancel	VBN
45179	528	11	from	from	IN
45179	528	12	this	this	DT
45179	528	13	title	title	NN
45179	528	14	and	and	CC
45179	528	15	the	the	DT
45179	528	16	words	word	NNS
45179	528	17	"	"	``
45179	528	18	Switch	switch	VB
45179	528	19	and	and	CC
45179	528	20	"	"	''
45179	528	21	substituted	substituted	JJ
45179	528	22	,	,	,
45179	528	23	thus	thus	RB
45179	528	24	forming	form	VBG
45179	528	25	the	the	DT
45179	528	26	present	present	JJ
45179	528	27	title	title	NN
45179	528	28	:	:	:
45179	528	29	"	"	``
45179	528	30	_	_	NNP
45179	528	31	The	the	DT
45179	528	32	Union	Union	NNP
45179	528	33	Switch	Switch	NNP
45179	528	34	and	and	CC
45179	528	35	Signal	Signal	NNP
45179	528	36	Company	Company	NNP
45179	528	37	_	_	NNP
45179	528	38	.	.	.
45179	528	39	"	"	''
45179	529	1	Rail	Rail	NNP
45179	529	2	Bonding	Bonding	NNP
45179	529	3	Experience	Experience	NNP
45179	529	4	at	at	IN
45179	529	5	Kinzua	Kinzua	NNP
45179	529	6	with	with	IN
45179	529	7	a	a	DT
45179	529	8	very	very	RB
45179	529	9	poor	poor	JJ
45179	529	10	track	track	NN
45179	529	11	demonstrated	demonstrate	VBD
45179	529	12	the	the	DT
45179	529	13	necessity	necessity	NN
45179	529	14	of	of	IN
45179	529	15	a	a	DT
45179	529	16	rail	rail	NN
45179	529	17	bond	bond	NN
45179	529	18	to	to	TO
45179	529	19	secure	secure	VB
45179	529	20	reliable	reliable	JJ
45179	529	21	electrical	electrical	JJ
45179	529	22	continuity	continuity	NN
45179	529	23	throughout	throughout	IN
45179	529	24	the	the	DT
45179	529	25	rails	rail	NNS
45179	529	26	constituting	constitute	VBG
45179	529	27	the	the	DT
45179	529	28	block	block	NN
45179	529	29	.	.	.
45179	530	1	Here	here	RB
45179	530	2	,	,	,
45179	530	3	in	in	IN
45179	530	4	1872	1872	CD
45179	530	5	,	,	,
45179	530	6	Mr.	Mr.	NNP
45179	530	7	Robinson	Robinson	NNP
45179	530	8	conceived	conceive	VBD
45179	530	9	the	the	DT
45179	530	10	invention	invention	NN
45179	530	11	of	of	IN
45179	530	12	the	the	DT
45179	530	13	bond	bond	NN
45179	530	14	wire	wire	NN
45179	530	15	as	as	IN
45179	530	16	used	use	VBN
45179	530	17	today	today	NN
45179	530	18	.	.	.
45179	531	1	In	in	IN
45179	531	2	an	an	DT
45179	531	3	effort	effort	NN
45179	531	4	,	,	,
45179	531	5	however	however	RB
45179	531	6	,	,	,
45179	531	7	to	to	TO
45179	531	8	avoid	avoid	VB
45179	531	9	the	the	DT
45179	531	10	handicap	handicap	NN
45179	531	11	of	of	IN
45179	531	12	having	have	VBG
45179	531	13	to	to	TO
45179	531	14	bore	bore	VB
45179	531	15	two	two	CD
45179	531	16	holes	hole	NNS
45179	531	17	in	in	IN
45179	531	18	every	every	DT
45179	531	19	rail	rail	NN
45179	531	20	of	of	IN
45179	531	21	long	long	JJ
45179	531	22	sections	section	NNS
45179	531	23	of	of	IN
45179	531	24	track	track	NN
45179	531	25	,	,	,
45179	531	26	he	-PRON-	PRP
45179	531	27	equipped	equip	VBD
45179	531	28	a	a	DT
45179	531	29	signal	signal	JJ
45179	531	30	section	section	NN
45179	531	31	in	in	IN
45179	531	32	1873	1873	CD
45179	531	33	with	with	IN
45179	531	34	elastic	elastic	JJ
45179	531	35	steel	steel	NN
45179	531	36	plates	plate	NNS
45179	531	37	bearing	bear	VBG
45179	531	38	on	on	IN
45179	531	39	the	the	DT
45179	531	40	adjacent	adjacent	JJ
45179	531	41	rails	rail	NNS
45179	531	42	at	at	IN
45179	531	43	the	the	DT
45179	531	44	joints	joint	NNS
45179	531	45	.	.	.
45179	532	1	This	this	DT
45179	532	2	did	do	VBD
45179	532	3	not	not	RB
45179	532	4	prove	prove	VB
45179	532	5	as	as	RB
45179	532	6	satisfactory	satisfactory	JJ
45179	532	7	,	,	,
45179	532	8	however	however	RB
45179	532	9	,	,	,
45179	532	10	as	as	IN
45179	532	11	the	the	DT
45179	532	12	bond	bond	NN
45179	532	13	wire	wire	NN
45179	532	14	.	.	.
45179	533	1	He	-PRON-	PRP
45179	533	2	therefore	therefore	RB
45179	533	3	used	use	VBD
45179	533	4	bond	bond	NN
45179	533	5	wires	wire	NNS
45179	533	6	made	make	VBN
45179	533	7	after	after	IN
45179	533	8	his	-PRON-	PRP$
45179	533	9	original	original	JJ
45179	533	10	conception	conception	NN
45179	533	11	,	,	,
45179	533	12	on	on	IN
45179	533	13	every	every	DT
45179	533	14	installation	installation	NN
45179	533	15	he	-PRON-	PRP
45179	533	16	made	make	VBD
45179	533	17	after	after	IN
45179	533	18	1873	1873	CD
45179	533	19	.	.	.
45179	534	1	He	-PRON-	PRP
45179	534	2	made	make	VBD
45179	534	3	his	-PRON-	PRP$
45179	534	4	bond	bond	NN
45179	534	5	wire	wire	NN
45179	534	6	in	in	IN
45179	534	7	two	two	CD
45179	534	8	forms	form	NNS
45179	534	9	.	.	.
45179	535	1	In	in	IN
45179	535	2	the	the	DT
45179	535	3	second	second	JJ
45179	535	4	form	form	NN
45179	535	5	he	-PRON-	PRP
45179	535	6	made	make	VBD
45179	535	7	studs	stud	NNS
45179	535	8	slightly	slightly	RB
45179	535	9	tapering	taper	VBG
45179	535	10	,	,	,
45179	535	11	bored	bored	JJ
45179	535	12	holes	hole	NNS
45179	535	13	through	through	IN
45179	535	14	them	-PRON-	PRP
45179	535	15	,	,	,
45179	535	16	inserted	insert	VBD
45179	535	17	the	the	DT
45179	535	18	ends	end	NNS
45179	535	19	of	of	IN
45179	535	20	the	the	DT
45179	535	21	wire	wire	NN
45179	535	22	in	in	IN
45179	535	23	these	these	DT
45179	535	24	holes	hole	NNS
45179	535	25	,	,	,
45179	535	26	brazed	braze	VBD
45179	535	27	them	-PRON-	PRP
45179	535	28	together	together	RB
45179	535	29	and	and	CC
45179	535	30	drove	drive	VBD
45179	535	31	these	these	DT
45179	535	32	studs	stud	NNS
45179	535	33	securely	securely	RB
45179	535	34	into	into	IN
45179	535	35	holes	hole	NNS
45179	535	36	bored	bore	VBN
45179	535	37	in	in	IN
45179	535	38	the	the	DT
45179	535	39	adjacent	adjacent	JJ
45179	535	40	rails	rail	NNS
45179	535	41	.	.	.
45179	536	1	An	an	DT
45179	536	2	examination	examination	NN
45179	536	3	of	of	IN
45179	536	4	these	these	DT
45179	536	5	bonds	bond	NNS
45179	536	6	after	after	IN
45179	536	7	several	several	JJ
45179	536	8	years	year	NNS
45179	536	9	'	'	POS
45179	536	10	service	service	NN
45179	536	11	showed	show	VBD
45179	536	12	that	that	IN
45179	536	13	they	-PRON-	PRP
45179	536	14	were	be	VBD
45179	536	15	apparently	apparently	RB
45179	536	16	in	in	IN
45179	536	17	as	as	IN
45179	536	18	good	good	JJ
45179	536	19	condition	condition	NN
45179	536	20	mechanically	mechanically	RB
45179	536	21	and	and	CC
45179	536	22	electrically	electrically	RB
45179	536	23	as	as	IN
45179	536	24	when	when	WRB
45179	536	25	first	first	RB
45179	536	26	put	put	VBD
45179	536	27	in	in	IN
45179	536	28	place	place	NN
45179	536	29	.	.	.
45179	537	1	The	the	DT
45179	537	2	Rail	Rail	NNP
45179	537	3	Bond	Bond	NNP
45179	537	4	is	be	VBZ
45179	537	5	now	now	RB
45179	537	6	an	an	DT
45179	537	7	essential	essential	JJ
45179	537	8	basic	basic	JJ
45179	537	9	feature	feature	NN
45179	537	10	of	of	IN
45179	537	11	practically	practically	RB
45179	537	12	every	every	DT
45179	537	13	one	one	CD
45179	537	14	of	of	IN
45179	537	15	the	the	DT
45179	537	16	electric	electric	JJ
45179	537	17	railway	railway	NN
45179	537	18	systems	system	NNS
45179	537	19	now	now	RB
45179	537	20	in	in	IN
45179	537	21	operation	operation	NN
45179	537	22	,	,	,
45179	537	23	since	since	IN
45179	537	24	they	-PRON-	PRP
45179	537	25	all	all	DT
45179	537	26	use	use	VBP
45179	537	27	the	the	DT
45179	537	28	track	track	NN
45179	537	29	for	for	IN
45179	537	30	a	a	DT
45179	537	31	return	return	NN
45179	537	32	,	,	,
45179	537	33	and	and	CC
45179	537	34	the	the	DT
45179	537	35	track	track	NN
45179	537	36	rails	rail	NNS
45179	537	37	must	must	MD
45179	537	38	be	be	VB
45179	537	39	securely	securely	RB
45179	537	40	bonded	bond	VBN
45179	537	41	in	in	IN
45179	537	42	order	order	NN
45179	537	43	to	to	TO
45179	537	44	insure	insure	VB
45179	537	45	indispensable	indispensable	JJ
45179	537	46	electrical	electrical	JJ
45179	537	47	continuity	continuity	NN
45179	537	48	of	of	IN
45179	537	49	the	the	DT
45179	537	50	circuit	circuit	NN
45179	537	51	.	.	.
45179	538	1	In	in	IN
45179	538	2	addition	addition	NN
45179	538	3	to	to	IN
45179	538	4	his	-PRON-	PRP$
45179	538	5	signal	signal	NN
45179	538	6	system	system	NN
45179	538	7	,	,	,
45179	538	8	therefore	therefore	RB
45179	538	9	,	,	,
45179	538	10	Dr.	Dr.	NNP
45179	538	11	Robinson	Robinson	NNP
45179	538	12	is	be	VBZ
45179	538	13	clearly	clearly	RB
45179	538	14	entitled	entitle	VBN
45179	538	15	to	to	IN
45179	538	16	the	the	DT
45179	538	17	credit	credit	NN
45179	538	18	of	of	IN
45179	538	19	having	have	VBG
45179	538	20	made	make	VBN
45179	538	21	,	,	,
45179	538	22	before	before	IN
45179	538	23	the	the	DT
45179	538	24	inception	inception	NN
45179	538	25	of	of	IN
45179	538	26	electric	electric	JJ
45179	538	27	railroading	railroading	NN
45179	538	28	,	,	,
45179	538	29	a	a	DT
45179	538	30	simple	simple	JJ
45179	538	31	basic	basic	JJ
45179	538	32	invention	invention	NN
45179	538	33	in	in	IN
45179	538	34	his	-PRON-	PRP$
45179	538	35	bond	bond	NN
45179	538	36	wire	wire	NN
45179	538	37	,	,	,
45179	538	38	which	which	WDT
45179	538	39	has	have	VBZ
45179	538	40	made	make	VBN
45179	538	41	modern	modern	JJ
45179	538	42	electric	electric	JJ
45179	538	43	railroading	railroad	VBG
45179	538	44	possible	possible	JJ
45179	538	45	,	,	,
45179	538	46	an	an	DT
45179	538	47	invention	invention	NN
45179	538	48	indispensable	indispensable	JJ
45179	538	49	to	to	IN
45179	538	50	the	the	DT
45179	538	51	successful	successful	JJ
45179	538	52	operation	operation	NN
45179	538	53	of	of	IN
45179	538	54	electric	electric	JJ
45179	538	55	railroading	railroading	NN
45179	538	56	as	as	IN
45179	538	57	practiced	practice	VBN
45179	538	58	today	today	NN
45179	538	59	.	.	.
45179	539	1	This	this	DT
45179	539	2	invention	invention	NN
45179	539	3	has	have	VBZ
45179	539	4	saved	save	VBN
45179	539	5	the	the	DT
45179	539	6	electric	electric	JJ
45179	539	7	roads	road	NNS
45179	539	8	untold	untold	JJ
45179	539	9	millions	million	NNS
45179	539	10	of	of	IN
45179	539	11	dollars	dollar	NNS
45179	539	12	and	and	CC
45179	539	13	enabled	enable	VBD
45179	539	14	them	-PRON-	PRP
45179	539	15	to	to	TO
45179	539	16	accomplish	accomplish	VB
45179	539	17	results	result	NNS
45179	539	18	in	in	IN
45179	539	19	a	a	DT
45179	539	20	simple	simple	JJ
45179	539	21	manner	manner	NN
45179	539	22	which	which	WDT
45179	539	23	could	could	MD
45179	539	24	not	not	RB
45179	539	25	otherwise	otherwise	RB
45179	539	26	be	be	VB
45179	539	27	as	as	RB
45179	539	28	well	well	RB
45179	539	29	secured	secure	VBN
45179	539	30	at	at	IN
45179	539	31	any	any	DT
45179	539	32	cost	cost	NN
45179	539	33	,	,	,
45179	539	34	by	by	IN
45179	539	35	the	the	DT
45179	539	36	only	only	JJ
45179	539	37	alternative	alternative	JJ
45179	539	38	method	method	NN
45179	539	39	,	,	,
45179	539	40	of	of	IN
45179	539	41	running	run	VBG
45179	539	42	return	return	NN
45179	539	43	contact	contact	NN
45179	539	44	conductors	conductor	NNS
45179	539	45	in	in	IN
45179	539	46	the	the	DT
45179	539	47	air	air	NN
45179	539	48	.	.	.
45179	540	1	WILLIAM	WILLIAM	NNP
45179	540	2	ROBINSON	ROBINSON	NNP
45179	540	3	.	.	.
45179	541	1	[	[	-LRB-
45179	541	2	Illustration	illustration	NN
45179	541	3	:	:	:
45179	541	4	WILLIAM	WILLIAM	NNP
45179	541	5	ROBINSON	ROBINSON	NNP
45179	541	6	,	,	,
45179	541	7	PH.D.	ph.d.	CD
45179	541	8	;	;	:
45179	541	9	E.	E.	NNP
45179	541	10	&	&	CC
45179	541	11	M.E.	M.E.	NNP
45179	542	1	Original	original	JJ
45179	542	2	inventor	inventor	NN
45179	542	3	and	and	CC
45179	542	4	patentee	patentee	NN
45179	542	5	of	of	IN
45179	542	6	the	the	DT
45179	542	7	Automatic	Automatic	NNP
45179	542	8	Electric	Electric	NNP
45179	542	9	Signal	Signal	NNP
45179	542	10	Systems	Systems	NNPS
45179	542	11	now	now	RB
45179	542	12	in	in	IN
45179	542	13	use	use	NN
45179	542	14	on	on	IN
45179	542	15	the	the	DT
45179	542	16	leading	lead	VBG
45179	542	17	railroads	railroad	NNS
45179	542	18	in	in	IN
45179	542	19	the	the	DT
45179	542	20	United	United	NNP
45179	542	21	States	States	NNP
45179	542	22	and	and	CC
45179	542	23	Foreign	Foreign	NNP
45179	542	24	Countries	Countries	NNPS
45179	542	25	.	.	.
45179	542	26	]	]	-RRB-
45179	543	1	DR	DR	NNP
45179	543	2	.	.	.
45179	543	3	ROBINSON	robinson	NN
45179	543	4	'S	's	NN
45179	543	5	RECORD	record	NN
45179	543	6	FROM	from	IN
45179	543	7	WESLEYAN	WESLEYAN	NNPS
45179	543	8	UNIVERSITY	UNIVERSITY	NNP
45179	543	9	William	William	NNP
45179	543	10	Robinson	Robinson	NNP
45179	543	11	,	,	,
45179	543	12	B.A.	B.A.	NNP
45179	543	13	,	,	,
45179	543	14	1865	1865	CD
45179	543	15	;	;	:
45179	543	16	M.A.	M.A.	NNP
45179	543	17	,	,	,
45179	543	18	1868	1868	CD
45179	543	19	,	,	,
45179	543	20	Alpha	Alpha	NNP
45179	543	21	Delta	Delta	NNP
45179	543	22	Phi	Phi	NNP
45179	543	23	.	.	.
45179	544	1	Ph.D.	Ph.D.	NNP
45179	544	2	Boston	Boston	NNP
45179	544	3	University	University	NNP
45179	544	4	,	,	,
45179	544	5	1907	1907	CD
45179	544	6	.	.	.
45179	545	1	Born	Born	NNP
45179	545	2	November	November	NNP
45179	545	3	22	22	CD
45179	545	4	,	,	,
45179	545	5	1840	1840	CD
45179	545	6	,	,	,
45179	545	7	in	in	IN
45179	545	8	Ireland	Ireland	NNP
45179	545	9	.	.	.
45179	546	1	Principal	principal	NN
45179	546	2	of	of	IN
45179	546	3	High	High	NNP
45179	546	4	School	School	NNP
45179	546	5	,	,	,
45179	546	6	Ansonia	Ansonia	NNP
45179	546	7	,	,	,
45179	546	8	Conn.	Connecticut	NNP
45179	546	9	,	,	,
45179	546	10	1865	1865	CD
45179	546	11	-	-	SYM
45179	546	12	66	66	CD
45179	546	13	.	.	.
45179	547	1	In	in	IN
45179	547	2	the	the	DT
45179	547	3	oil	oil	NN
45179	547	4	region	region	NN
45179	547	5	,	,	,
45179	547	6	Pennsylvania	Pennsylvania	NNP
45179	547	7	,	,	,
45179	547	8	1866	1866	CD
45179	547	9	.	.	.
45179	548	1	Taught	teach	VBN
45179	548	2	in	in	IN
45179	548	3	Stamford	Stamford	NNP
45179	548	4	,	,	,
45179	548	5	Conn.	Connecticut	NNP
45179	548	6	,	,	,
45179	548	7	1867	1867	CD
45179	548	8	.	.	.
45179	549	1	Principal	principal	NN
45179	549	2	of	of	IN
45179	549	3	Spring	Spring	NNP
45179	549	4	Valley	Valley	NNP
45179	549	5	Academy	Academy	NNP
45179	549	6	,	,	,
45179	549	7	N.Y.	New York	NNP
45179	549	8	,	,	,
45179	549	9	1867	1867	CD
45179	549	10	-	-	SYM
45179	549	11	69	69	CD
45179	549	12	.	.	.
45179	550	1	Engaged	engage	VBN
45179	550	2	in	in	IN
45179	550	3	the	the	DT
45179	550	4	oil	oil	NN
45179	550	5	business	business	NN
45179	550	6	in	in	IN
45179	550	7	Pennsylvania	Pennsylvania	NNP
45179	550	8	,	,	,
45179	550	9	1869	1869	CD
45179	550	10	-	-	SYM
45179	550	11	72	72	CD
45179	550	12	.	.	.
45179	551	1	President	President	NNP
45179	551	2	and	and	CC
45179	551	3	General	General	NNP
45179	551	4	Manager	Manager	NNP
45179	551	5	of	of	IN
45179	551	6	the	the	DT
45179	551	7	Robinson	Robinson	NNP
45179	551	8	Electric	Electric	NNP
45179	551	9	Railway	Railway	NNP
45179	551	10	Signal	Signal	NNP
45179	551	11	Company	Company	NNP
45179	551	12	,	,	,
45179	551	13	1873	1873	CD
45179	551	14	.	.	.
45179	552	1	Engaged	engage	VBN
45179	552	2	in	in	IN
45179	552	3	business	business	NN
45179	552	4	in	in	IN
45179	552	5	Boston	Boston	NNP
45179	552	6	,	,	,
45179	552	7	Mass.	Massachusetts	NNP
45179	552	8	,	,	,
45179	552	9	1875	1875	CD
45179	552	10	-	-	SYM
45179	552	11	81	81	CD
45179	552	12	.	.	.
45179	553	1	Organized	organize	VBN
45179	553	2	the	the	DT
45179	553	3	Union	Union	NNP
45179	553	4	Electric	Electric	NNP
45179	553	5	Signal	Signal	NNP
45179	553	6	Company	Company	NNP
45179	553	7	,	,	,
45179	553	8	1878	1878	CD
45179	553	9	.	.	.
45179	554	1	Traveled	travel	VBN
45179	554	2	in	in	IN
45179	554	3	Europe	Europe	NNP
45179	554	4	,	,	,
45179	554	5	Egypt	Egypt	NNP
45179	554	6	and	and	CC
45179	554	7	Palestine	Palestine	NNP
45179	554	8	for	for	IN
45179	554	9	fifteen	fifteen	CD
45179	554	10	months	month	NNS
45179	554	11	,	,	,
45179	554	12	1879	1879	CD
45179	554	13	-	-	SYM
45179	554	14	80	80	CD
45179	554	15	.	.	.
45179	555	1	Inventor	Inventor	NNP
45179	555	2	of	of	IN
45179	555	3	the	the	DT
45179	555	4	Robinson	Robinson	NNP
45179	555	5	wireless	wireless	JJ
45179	555	6	electric	electric	JJ
45179	555	7	railway	railway	NN
45179	555	8	signal	signal	NN
45179	555	9	system	system	NN
45179	555	10	,	,	,
45179	555	11	of	of	IN
45179	555	12	the	the	DT
45179	555	13	Robinson	Robinson	NNP
45179	555	14	radial	radial	JJ
45179	555	15	car	car	NN
45179	555	16	truck	truck	NN
45179	555	17	,	,	,
45179	555	18	of	of	IN
45179	555	19	the	the	DT
45179	555	20	coaster	coaster	NN
45179	555	21	brake	brake	NN
45179	555	22	used	use	VBN
45179	555	23	on	on	IN
45179	555	24	bicycles	bicycle	NNS
45179	555	25	,	,	,
45179	555	26	of	of	IN
45179	555	27	roller	roller	NN
45179	555	28	bearing	bearing	NN
45179	555	29	skates	skate	NNS
45179	555	30	,	,	,
45179	555	31	and	and	CC
45179	555	32	of	of	IN
45179	555	33	a	a	DT
45179	555	34	repeating	repeating	JJ
45179	555	35	telephone	telephone	NN
45179	555	36	.	.	.
45179	556	1	Engaged	engage	VBN
45179	556	2	in	in	IN
45179	556	3	developing	develop	VBG
45179	556	4	and	and	CC
45179	556	5	practising	practise	VBG
45179	556	6	electric	electric	JJ
45179	556	7	engineering	engineering	NN
45179	556	8	.	.	.
45179	557	1	Author	author	NN
45179	557	2	:	:	:
45179	557	3	History	history	NN
45179	557	4	of	of	IN
45179	557	5	Automatic	Automatic	NNP
45179	557	6	Electric	Electric	NNP
45179	557	7	and	and	CC
45179	557	8	Electrically	electrically	RB
45179	557	9	Controlled	control	VBN
45179	557	10	Fluid	Fluid	NNP
45179	557	11	Pressure	Pressure	NNP
45179	557	12	Signal	Signal	NNP
45179	557	13	Systems	Systems	NNPS
45179	557	14	for	for	IN
45179	557	15	Railroads	railroad	NNS
45179	557	16	.	.	.
45179	558	1	Died	die	VBD
45179	558	2	January	January	NNP
45179	558	3	2	2	CD
45179	558	4	,	,	,
45179	558	5	1921	1921	CD
45179	558	6	,	,	,
45179	558	7	Brooklyn	Brooklyn	NNP
45179	558	8	,	,	,
45179	558	9	New	New	NNP
45179	558	10	York	York	NNP
45179	558	11	.	.	.
45179	559	1	A.I.E.E.	A.I.E.E.	NNP
45179	560	1	RECORD	RECORD	NNP
45179	560	2	OF	of	IN
45179	560	3	DR	DR	NNP
45179	560	4	.	.	.
45179	560	5	WILLIAM	WILLIAM	NNP
45179	560	6	ROBINSON	ROBINSON	NNP
45179	560	7	Copy	Copy	NNP
45179	560	8	of	of	IN
45179	560	9	Dr.	Dr.	NNP
45179	560	10	Robinson	Robinson	NNP
45179	560	11	's	's	POS
45179	560	12	record	record	NN
45179	560	13	made	make	VBN
45179	560	14	from	from	IN
45179	560	15	original	original	JJ
45179	560	16	application	application	NN
45179	560	17	No	no	UH
45179	560	18	.	.	.
45179	561	1	1265	1265	CD
45179	561	2	to	to	IN
45179	561	3	the	the	DT
45179	561	4	American	American	NNP
45179	561	5	Institute	Institute	NNP
45179	561	6	of	of	IN
45179	561	7	Electrical	Electrical	NNP
45179	561	8	Engineers	Engineers	NNPS
45179	561	9	,	,	,
45179	561	10	33	33	CD
45179	561	11	West	West	NNP
45179	561	12	39th	39th	NNP
45179	561	13	Street	Street	NNP
45179	561	14	,	,	,
45179	561	15	New	New	NNP
45179	561	16	York	York	NNP
45179	561	17	City	City	NNP
45179	561	18	.	.	.
45179	562	1	(	(	-LRB-
45179	562	2	Record	Record	NNP
45179	562	3	filed	file	VBD
45179	562	4	July	July	NNP
45179	562	5	,	,	,
45179	562	6	1909	1909	CD
45179	562	7	.	.	.
45179	562	8	)	)	-RRB-
45179	563	1	References	reference	NNS
45179	563	2	given	give	VBN
45179	563	3	by	by	IN
45179	563	4	Dr.	Dr.	NNP
45179	563	5	Robinson	Robinson	NNP
45179	563	6	:	:	:
45179	563	7	William	William	NNP
45179	563	8	B.	B.	NNP
45179	563	9	Potter	Potter	NNP
45179	563	10	.	.	.
45179	564	1	E.	E.	NNP
45179	564	2	W.	W.	NNP
45179	564	3	Rice	Rice	NNP
45179	564	4	,	,	,
45179	564	5	Jr.	Jr.	NNP
45179	564	6	Theodore	Theodore	NNP
45179	564	7	Stebbins	Stebbins	NNPS
45179	564	8	,	,	,
45179	564	9	Dallas	Dallas	NNP
45179	564	10	,	,	,
45179	564	11	Texas	Texas	NNP
45179	564	12	.	.	.
45179	565	1	Frank	Frank	NNP
45179	565	2	J.	J.	NNP
45179	565	3	Sprague	Sprague	NNP
45179	565	4	,	,	,
45179	565	5	165	165	CD
45179	565	6	Broadway	Broadway	NNP
45179	565	7	.	.	.
45179	566	1	Prof.	Prof.	NNP
45179	566	2	Chas	Chas	NNP
45179	566	3	.	.	.
45179	567	1	A.	A.	NNP
45179	568	1	Cross	Cross	NNP
45179	568	2	,	,	,
45179	568	3	M.I.T.	M.I.T.	NNP
45179	569	1	Prof.	Prof.	NNP
45179	569	2	Elihu	Elihu	NNP
45179	569	3	Thomson	Thomson	NNP
45179	569	4	.	.	.
45179	570	1	Goss	Goss	NNP
45179	570	2	&	&	CC
45179	570	3	Bryce	Bryce	NNP
45179	570	4	,	,	,
45179	570	5	Mech	Mech	NNP
45179	570	6	.	.	.
45179	571	1	Eng	Eng	NNP
45179	571	2	.	.	NNP
45179	571	3	,	,	,
45179	571	4	76	76	CD
45179	571	5	William	William	NNP
45179	571	6	Street	Street	NNP
45179	571	7	.	.	.
45179	572	1	George	George	NNP
45179	572	2	L.	L.	NNP
45179	572	3	Fowler	Fowler	NNP
45179	572	4	,	,	,
45179	572	5	Cons	Cons	NNP
45179	572	6	.	.	.
45179	573	1	Eng	Eng	NNP
45179	573	2	.	.	NNP
45179	573	3	,	,	,
45179	573	4	53	53	CD
45179	573	5	Broadway	Broadway	NNP
45179	573	6	.	.	.
45179	574	1	Wm	Wm	NNP
45179	574	2	.	.	.
45179	575	1	Wallace	Wallace	NNP
45179	575	2	White	White	NNP
45179	575	3	,	,	,
45179	575	4	Foreign	Foreign	NNP
45179	575	5	Patent	Patent	NNP
45179	575	6	Solicitor	Solicitor	NNP
45179	575	7	and	and	CC
45179	575	8	Consul	Consul	NNP
45179	575	9	,	,	,
45179	575	10	309	309	CD
45179	575	11	Broadway	Broadway	NNP
45179	575	12	.	.	.
45179	576	1	WILLIAM	WILLIAM	NNP
45179	576	2	ROBINSON	ROBINSON	NNP
45179	576	3	(	(	-LRB-
45179	576	4	A.M.	A.M.	NNP
45179	576	5	,	,	,
45179	576	6	PH.D.	PH.D.	NNP
45179	576	7	)	)	-RRB-
45179	576	8	ELECTRICAL	ELECTRICAL	NNP
45179	576	9	AND	and	CC
45179	576	10	MECHANICAL	MECHANICAL	NNP
45179	576	11	ENGINEER	ENGINEER	NNP
45179	576	12	Born	Born	NNP
45179	576	13	November	November	NNP
45179	576	14	22	22	CD
45179	576	15	,	,	,
45179	576	16	1840	1840	CD
45179	576	17	,	,	,
45179	576	18	North	North	NNP
45179	576	19	of	of	IN
45179	576	20	Ireland	Ireland	NNP
45179	576	21	,	,	,
45179	576	22	of	of	IN
45179	576	23	Scotch	Scotch	NNP
45179	576	24	-	-	HYPH
45179	576	25	Irish	irish	JJ
45179	576	26	descent	descent	NN
45179	576	27	on	on	IN
45179	576	28	paternal	paternal	JJ
45179	576	29	side	side	NN
45179	576	30	and	and	CC
45179	576	31	English	English	NNP
45179	576	32	on	on	IN
45179	576	33	maternal	maternal	JJ
45179	576	34	side	side	NN
45179	576	35	.	.	.
45179	577	1	ELIGIBLE	eligible	NN
45179	577	2	FOR	for	IN
45179	577	3	TRANSFER	transfer	NN
45179	577	4	:	:	:
45179	577	5	Under	under	IN
45179	577	6	clauses	clause	NNS
45179	577	7	(	(	-LRB-
45179	577	8	a	a	NN
45179	577	9	)	)	-RRB-
45179	577	10	and	and	CC
45179	577	11	(	(	-LRB-
45179	577	12	c	c	NN
45179	577	13	)	)	-RRB-
45179	577	14	.	.	.
45179	578	1	EDUCATION	education	NN
45179	578	2	:	:	:
45179	578	3	Graduate	graduate	NN
45179	578	4	of	of	IN
45179	578	5	Wesleyan	Wesleyan	NNP
45179	578	6	University	University	NNP
45179	578	7	,	,	,
45179	578	8	full	full	JJ
45179	578	9	Academic	academic	JJ
45179	578	10	course	course	NN
45179	578	11	,	,	,
45179	578	12	receiving	receive	VBG
45179	578	13	the	the	DT
45179	578	14	degrees	degree	NNS
45179	578	15	of	of	IN
45179	578	16	A.B.	A.B.	NNP
45179	579	1	in	in	IN
45179	579	2	1865	1865	CD
45179	579	3	and	and	CC
45179	579	4	A.M.	A.M.	NNP
45179	579	5	in	in	IN
45179	579	6	1868	1868	CD
45179	579	7	.	.	.
45179	580	1	Post	Post	NNP
45179	580	2	-	-	NNP
45179	580	3	Graduate	Graduate	NNP
45179	580	4	of	of	IN
45179	580	5	Boston	Boston	NNP
45179	580	6	University	University	NNP
45179	580	7	in	in	IN
45179	580	8	1907	1907	CD
45179	580	9	,	,	,
45179	580	10	with	with	IN
45179	580	11	degree	degree	NN
45179	580	12	of	of	IN
45179	580	13	Doctor	doctor	NN
45179	580	14	of	of	IN
45179	580	15	Philosophy	Philosophy	NNP
45179	580	16	;	;	:
45179	580	17	course	course	NN
45179	580	18	including	include	VBG
45179	580	19	Electrical	Electrical	NNP
45179	580	20	and	and	CC
45179	580	21	Mechanical	Mechanical	NNP
45179	580	22	Engineering	Engineering	NNP
45179	580	23	.	.	.
45179	581	1	OCCUPATION	occupation	NN
45179	581	2	AND	and	CC
45179	581	3	WORK	work	NN
45179	581	4	DONE	DONE	NNS
45179	581	5	:	:	:
45179	581	6	Engaged	engage	VBN
45179	581	7	in	in	IN
45179	581	8	developing	develop	VBG
45179	581	9	and	and	CC
45179	581	10	practising	practise	VBG
45179	581	11	electrical	electrical	JJ
45179	581	12	engineering	engineering	NN
45179	581	13	from	from	IN
45179	581	14	prior	prior	RB
45179	581	15	to	to	IN
45179	581	16	1870	1870	CD
45179	581	17	up	up	IN
45179	581	18	to	to	IN
45179	581	19	the	the	DT
45179	581	20	present	present	JJ
45179	581	21	time	time	NN
45179	581	22	(	(	-LRB-
45179	581	23	1909	1909	CD
45179	581	24	)	)	-RRB-
45179	581	25	.	.	.
45179	582	1	Original	original	JJ
45179	582	2	inventor	inventor	NN
45179	582	3	and	and	CC
45179	582	4	patentee	patentee	NN
45179	582	5	of	of	IN
45179	582	6	the	the	DT
45179	582	7	automatic	automatic	JJ
45179	582	8	electrical	electrical	JJ
45179	582	9	and	and	CC
45179	582	10	electrically	electrically	RB
45179	582	11	controlled	control	VBN
45179	582	12	fluid	fluid	JJ
45179	582	13	pressure	pressure	NN
45179	582	14	signal	signal	NN
45179	582	15	systems	system	NNS
45179	582	16	for	for	IN
45179	582	17	railroads	railroad	NNS
45179	582	18	now	now	RB
45179	582	19	in	in	IN
45179	582	20	universal	universal	JJ
45179	582	21	use	use	NN
45179	582	22	on	on	IN
45179	582	23	the	the	DT
45179	582	24	leading	lead	VBG
45179	582	25	railroads	railroad	NNS
45179	582	26	in	in	IN
45179	582	27	the	the	DT
45179	582	28	United	United	NNP
45179	582	29	States	States	NNP
45179	582	30	and	and	CC
45179	582	31	foreign	foreign	JJ
45179	582	32	countries	country	NNS
45179	582	33	,	,	,
45179	582	34	wherever	wherever	WRB
45179	582	35	and	and	CC
45179	582	36	by	by	IN
45179	582	37	whomsoever	whomsoever	NN
45179	582	38	installed	instal	VBN
45179	582	39	,	,	,
45179	582	40	throughout	throughout	IN
45179	582	41	the	the	DT
45179	582	42	world	world	NN
45179	582	43	.	.	.
45179	583	1	1870	1870	CD
45179	583	2	.	.	.
45179	584	1	Received	receive	VBN
45179	584	2	four	four	CD
45179	584	3	United	United	NNP
45179	584	4	States	States	NNP
45179	584	5	patents	patent	NNS
45179	584	6	on	on	IN
45179	584	7	this	this	DT
45179	584	8	system	system	NN
45179	584	9	;	;	:
45179	584	10	applications	application	NNS
45179	584	11	filed	file	VBN
45179	584	12	earlier	early	RBR
45179	584	13	.	.	.
45179	585	1	1870	1870	CD
45179	585	2	.	.	.
45179	586	1	Exhibited	exhibit	VBN
45179	586	2	an	an	DT
45179	586	3	elaborate	elaborate	JJ
45179	586	4	working	working	NN
45179	586	5	model	model	NN
45179	586	6	of	of	IN
45179	586	7	the	the	DT
45179	586	8	system	system	NN
45179	586	9	at	at	IN
45179	586	10	the	the	DT
45179	586	11	American	American	NNP
45179	586	12	Institute	Institute	NNP
45179	586	13	in	in	IN
45179	586	14	New	New	NNP
45179	586	15	York	York	NNP
45179	586	16	,	,	,
45179	586	17	showing	show	VBG
45179	586	18	the	the	DT
45179	586	19	automatic	automatic	JJ
45179	586	20	signal	signal	NN
45179	586	21	system	system	NN
45179	586	22	in	in	IN
45179	586	23	operation	operation	NN
45179	586	24	under	under	IN
45179	586	25	control	control	NN
45179	586	26	of	of	IN
45179	586	27	passing	pass	VBG
45179	586	28	cars	car	NNS
45179	586	29	.	.	.
45179	587	1	1871	1871	CD
45179	587	2	-	-	SYM
45179	587	3	2	2	CD
45179	587	4	.	.	.
45179	588	1	Original	original	JJ
45179	588	2	inventor	inventor	NN
45179	588	3	and	and	CC
45179	588	4	patentee	patentee	NN
45179	588	5	of	of	IN
45179	588	6	the	the	DT
45179	588	7	closed	closed	JJ
45179	588	8	track	track	NN
45179	588	9	circuit	circuit	NN
45179	588	10	system	system	NN
45179	588	11	of	of	IN
45179	588	12	signaling	signal	VBG
45179	588	13	.	.	.
45179	589	1	Received	receive	VBN
45179	589	2	basic	basic	JJ
45179	589	3	United	United	NNP
45179	589	4	States	States	NNP
45179	589	5	and	and	CC
45179	589	6	French	french	JJ
45179	589	7	patents	patent	NNS
45179	589	8	covering	cover	VBG
45179	589	9	same	same	RB
45179	589	10	,	,	,
45179	589	11	in	in	IN
45179	589	12	1872	1872	CD
45179	589	13	.	.	.
45179	590	1	Applications	application	NNS
45179	590	2	filed	file	VBN
45179	590	3	,	,	,
45179	590	4	1871	1871	CD
45179	590	5	.	.	.
45179	591	1	1870	1870	CD
45179	591	2	-	-	SYM
45179	591	3	71	71	CD
45179	591	4	.	.	.
45179	592	1	Original	original	JJ
45179	592	2	inventor	inventor	NN
45179	592	3	and	and	CC
45179	592	4	patentee	patentee	NN
45179	592	5	of	of	IN
45179	592	6	the	the	DT
45179	592	7	automatic	automatic	JJ
45179	592	8	electro	electro	NNP
45179	592	9	-	-	HYPH
45179	592	10	pneumatic	pneumatic	JJ
45179	592	11	signal	signal	NN
45179	592	12	systems	system	NNS
45179	592	13	for	for	IN
45179	592	14	railroads	railroad	NNS
45179	592	15	in	in	IN
45179	592	16	use	use	NN
45179	592	17	for	for	IN
45179	592	18	many	many	JJ
45179	592	19	years	year	NNS
45179	592	20	past	past	JJ
45179	592	21	.	.	.
45179	593	1	Received	receive	VBN
45179	593	2	basic	basic	JJ
45179	593	3	British	british	JJ
45179	593	4	patent	patent	NN
45179	593	5	covering	cover	VBG
45179	593	6	this	this	DT
45179	593	7	system	system	NN
45179	593	8	in	in	IN
45179	593	9	1871	1871	CD
45179	593	10	.	.	.
45179	594	1	So	so	RB
45179	594	2	far	far	RB
45179	594	3	as	as	IN
45179	594	4	I	-PRON-	PRP
45179	594	5	have	have	VBP
45179	594	6	been	be	VBN
45179	594	7	able	able	JJ
45179	594	8	to	to	TO
45179	594	9	ascertain	ascertain	VB
45179	594	10	on	on	IN
45179	594	11	careful	careful	JJ
45179	594	12	investigation	investigation	NN
45179	594	13	,	,	,
45179	594	14	this	this	DT
45179	594	15	patent	patent	NN
45179	594	16	appears	appear	VBZ
45179	594	17	to	to	TO
45179	594	18	be	be	VB
45179	594	19	the	the	DT
45179	594	20	first	first	JJ
45179	594	21	ever	ever	RB
45179	594	22	issued	issue	VBN
45179	594	23	anywhere	anywhere	RB
45179	594	24	on	on	IN
45179	594	25	this	this	DT
45179	594	26	subject	subject	NN
45179	594	27	.	.	.
45179	595	1	The	the	DT
45179	595	2	following	follow	VBG
45179	595	3	brief	brief	JJ
45179	595	4	historical	historical	JJ
45179	595	5	excerpt	excerpt	NN
45179	595	6	is	be	VBZ
45179	595	7	taken	take	VBN
45179	595	8	from	from	IN
45179	595	9	a	a	DT
45179	595	10	United	United	NNP
45179	595	11	States	States	NNP
45179	595	12	patent	patent	NN
45179	595	13	granted	grant	VBD
45179	595	14	to	to	IN
45179	595	15	me	-PRON-	PRP
45179	595	16	on	on	IN
45179	595	17	October	October	NNP
45179	595	18	20	20	CD
45179	595	19	,	,	,
45179	595	20	1908	1908	CD
45179	595	21	,	,	,
45179	595	22	No	no	UH
45179	595	23	.	.	.
45179	596	1	901,383	901,383	CD
45179	596	2	,	,	,
45179	596	3	on	on	IN
45179	596	4	an	an	DT
45179	596	5	electric	electric	JJ
45179	596	6	railway	railway	NN
45179	596	7	system	system	NN
45179	596	8	.	.	.
45179	597	1	This	this	DT
45179	597	2	patent	patent	NN
45179	597	3	is	be	VBZ
45179	597	4	one	one	CD
45179	597	5	of	of	IN
45179	597	6	a	a	DT
45179	597	7	bunch	bunch	NN
45179	597	8	of	of	IN
45179	597	9	eight	eight	CD
45179	597	10	taken	take	VBN
45179	597	11	out	out	RP
45179	597	12	by	by	IN
45179	597	13	me	-PRON-	PRP
45179	597	14	on	on	IN
45179	597	15	the	the	DT
45179	597	16	same	same	JJ
45179	597	17	date	date	NN
45179	597	18	,	,	,
45179	597	19	on	on	IN
45179	597	20	the	the	DT
45179	597	21	same	same	JJ
45179	597	22	subject	subject	NN
45179	597	23	.	.	.
45179	598	1	The	the	DT
45179	598	2	excerpt	excerpt	NN
45179	598	3	relates	relate	VBZ
45179	598	4	to	to	IN
45179	598	5	my	-PRON-	PRP$
45179	598	6	work	work	NN
45179	598	7	in	in	IN
45179	598	8	signaling	signal	VBG
45179	598	9	.	.	.
45179	599	1	"	"	``
45179	599	2	The	the	DT
45179	599	3	block	block	NN
45179	599	4	signal	signal	NN
45179	599	5	system	system	NNP
45179	599	6	herein	herein	NNP
45179	599	7	disclosed	disclose	VBD
45179	599	8	is	be	VBZ
45179	599	9	an	an	DT
45179	599	10	embodiment	embodiment	NN
45179	599	11	of	of	IN
45179	599	12	the	the	DT
45179	599	13	Robinson	Robinson	NNP
45179	599	14	electro	electro	NNP
45179	599	15	-	-	HYPH
45179	599	16	pneumatic	pneumatic	JJ
45179	599	17	system	system	NN
45179	599	18	now	now	RB
45179	599	19	in	in	IN
45179	599	20	extensive	extensive	JJ
45179	599	21	operation	operation	NN
45179	599	22	on	on	IN
45179	599	23	the	the	DT
45179	599	24	Pennsylvania	Pennsylvania	NNP
45179	599	25	railroad	railroad	NN
45179	599	26	and	and	CC
45179	599	27	many	many	JJ
45179	599	28	other	other	JJ
45179	599	29	leading	lead	VBG
45179	599	30	railroads	railroad	NNS
45179	599	31	in	in	IN
45179	599	32	this	this	DT
45179	599	33	and	and	CC
45179	599	34	other	other	JJ
45179	599	35	countries	country	NNS
45179	599	36	,	,	,
45179	599	37	embodying	embody	VBG
45179	599	38	the	the	DT
45179	599	39	closed	close	VBN
45179	599	40	circuit	circuit	NN
45179	599	41	rail	rail	NN
45179	599	42	system	system	NN
45179	599	43	for	for	IN
45179	599	44	which	which	WDT
45179	599	45	a	a	DT
45179	599	46	basic	basic	JJ
45179	599	47	U.S.	U.S.	NNP
45179	599	48	patent	patent	NN
45179	599	49	was	be	VBD
45179	599	50	granted	grant	VBN
45179	599	51	to	to	IN
45179	599	52	me	-PRON-	PRP
45179	599	53	on	on	IN
45179	599	54	August	August	NNP
45179	599	55	20	20	CD
45179	599	56	,	,	,
45179	599	57	1872	1872	CD
45179	599	58	,	,	,
45179	599	59	No	no	UH
45179	599	60	.	.	.
45179	600	1	130,661	130,661	CD
45179	600	2	(	(	-LRB-
45179	600	3	reissued	reissue	VBN
45179	600	4	July	July	NNP
45179	600	5	7	7	CD
45179	600	6	,	,	,
45179	600	7	1874	1874	CD
45179	600	8	)	)	-RRB-
45179	600	9	,	,	,
45179	600	10	the	the	DT
45179	600	11	electro	electro	NNP
45179	600	12	-	-	HYPH
45179	600	13	pneumatic	pneumatic	JJ
45179	600	14	signal	signal	NN
45179	600	15	system	system	NN
45179	600	16	disclosed	disclose	VBN
45179	600	17	in	in	IN
45179	600	18	my	-PRON-	PRP$
45179	600	19	British	british	JJ
45179	600	20	patent	patent	NN
45179	600	21	of	of	IN
45179	600	22	August	August	NNP
45179	600	23	30	30	CD
45179	600	24	,	,	,
45179	600	25	1871	1871	CD
45179	600	26	,	,	,
45179	600	27	No	no	UH
45179	600	28	.	.	.
45179	601	1	2280	2280	CD
45179	601	2	,	,	,
45179	601	3	the	the	DT
45179	601	4	subject	subject	JJ
45179	601	5	matter	matter	NN
45179	601	6	of	of	IN
45179	601	7	both	both	DT
45179	601	8	of	of	IN
45179	601	9	which	which	WDT
45179	601	10	patents	patent	NNS
45179	601	11	is	be	VBZ
45179	601	12	disclosed	disclose	VBN
45179	601	13	in	in	IN
45179	601	14	my	-PRON-	PRP$
45179	601	15	French	french	JJ
45179	601	16	patent	patent	NN
45179	601	17	of	of	IN
45179	601	18	February	February	NNP
45179	601	19	29	29	CD
45179	601	20	,	,	,
45179	601	21	1872	1872	CD
45179	601	22	,	,	,
45179	601	23	No	no	UH
45179	601	24	.	.	.
45179	602	1	94,393	94,393	CD
45179	602	2	.	.	.
45179	603	1	The	the	DT
45179	603	2	electro	electro	NNP
45179	603	3	-	-	HYPH
45179	603	4	pneumatic	pneumatic	JJ
45179	603	5	signal	signal	NN
45179	603	6	system	system	NN
45179	603	7	disclosed	disclose	VBN
45179	603	8	in	in	IN
45179	603	9	the	the	DT
45179	603	10	above	above	RB
45179	603	11	named	name	VBN
45179	603	12	patents	patent	NNS
45179	603	13	is	be	VBZ
45179	603	14	also	also	RB
45179	603	15	disclosed	disclose	VBN
45179	603	16	in	in	IN
45179	603	17	my	-PRON-	PRP$
45179	603	18	United	United	NNP
45179	603	19	States	States	NNP
45179	603	20	patent	patent	NN
45179	603	21	dated	date	VBN
45179	603	22	November	November	NNP
45179	603	23	7	7	CD
45179	603	24	,	,	,
45179	603	25	1882	1882	CD
45179	603	26	,	,	,
45179	603	27	No	no	UH
45179	603	28	.	.	.
45179	604	1	267,259	267,259	CD
45179	604	2	.	.	.
45179	605	1	As	as	IN
45179	605	2	above	above	RB
45179	605	3	indicated	indicate	VBD
45179	605	4	the	the	DT
45179	605	5	block	block	NN
45179	605	6	signal	signal	NNP
45179	605	7	system	system	NNP
45179	605	8	herein	herein	NNP
45179	605	9	described	describe	VBD
45179	605	10	comprises	comprise	VBZ
45179	605	11	the	the	DT
45179	605	12	system	system	NN
45179	605	13	described	describe	VBN
45179	605	14	in	in	IN
45179	605	15	my	-PRON-	PRP$
45179	605	16	above	above	JJ
45179	605	17	named	name	VBN
45179	605	18	patents	patent	NNS
45179	605	19	and	and	CC
45179	605	20	now	now	RB
45179	605	21	in	in	IN
45179	605	22	general	general	JJ
45179	605	23	use	use	NN
45179	605	24	on	on	IN
45179	605	25	leading	lead	VBG
45179	605	26	steam	steam	NN
45179	605	27	railroads	railroad	NNS
45179	605	28	,	,	,
45179	605	29	but	but	CC
45179	605	30	modified	modified	JJ
45179	605	31	and	and	CC
45179	605	32	improved	improve	VBD
45179	605	33	in	in	IN
45179	605	34	a	a	DT
45179	605	35	way	way	NN
45179	605	36	adapting	adapt	VBG
45179	605	37	it	-PRON-	PRP
45179	605	38	for	for	IN
45179	605	39	reliable	reliable	JJ
45179	605	40	and	and	CC
45179	605	41	efficient	efficient	JJ
45179	605	42	use	use	NN
45179	605	43	in	in	IN
45179	605	44	connection	connection	NN
45179	605	45	with	with	IN
45179	605	46	electric	electric	JJ
45179	605	47	railroads	railroad	NNS
45179	605	48	of	of	IN
45179	605	49	the	the	DT
45179	605	50	sectional	sectional	JJ
45179	605	51	third	third	JJ
45179	605	52	rail	rail	NN
45179	605	53	type	type	NN
45179	605	54	.	.	.
45179	605	55	"	"	''
45179	606	1	The	the	DT
45179	606	2	admission	admission	NN
45179	606	3	of	of	IN
45179	606	4	the	the	DT
45179	606	5	above	above	JJ
45179	606	6	brief	brief	JJ
45179	606	7	history	history	NN
45179	606	8	in	in	IN
45179	606	9	the	the	DT
45179	606	10	above	above	RB
45179	606	11	described	describe	VBN
45179	606	12	,	,	,
45179	606	13	and	and	CC
45179	606	14	substantially	substantially	RB
45179	606	15	in	in	IN
45179	606	16	two	two	CD
45179	606	17	other	other	JJ
45179	606	18	patents	patent	NNS
45179	606	19	of	of	IN
45179	606	20	the	the	DT
45179	606	21	same	same	JJ
45179	606	22	date	date	NN
45179	606	23	,	,	,
45179	606	24	is	be	VBZ
45179	606	25	,	,	,
45179	606	26	of	of	IN
45179	606	27	course	course	NN
45179	606	28	,	,	,
45179	606	29	a	a	DT
45179	606	30	complete	complete	JJ
45179	606	31	verification	verification	NN
45179	606	32	of	of	IN
45179	606	33	its	-PRON-	PRP$
45179	606	34	historical	historical	JJ
45179	606	35	accuracy	accuracy	NN
45179	606	36	by	by	IN
45179	606	37	the	the	DT
45179	606	38	Patent	Patent	NNP
45179	606	39	Office	Office	NNP
45179	606	40	.	.	.
45179	607	1	1872	1872	CD
45179	607	2	.	.	.
45179	608	1	In	in	IN
45179	608	2	1872	1872	CD
45179	608	3	I	-PRON-	PRP
45179	608	4	put	put	VBD
45179	608	5	the	the	DT
45179	608	6	closed	closed	JJ
45179	608	7	track	track	NN
45179	608	8	circuit	circuit	NN
45179	608	9	system	system	NN
45179	608	10	of	of	IN
45179	608	11	signaling	signal	VBG
45179	608	12	in	in	IN
45179	608	13	practical	practical	JJ
45179	608	14	and	and	CC
45179	608	15	successful	successful	JJ
45179	608	16	operation	operation	NN
45179	608	17	at	at	IN
45179	608	18	several	several	JJ
45179	608	19	points	point	NNS
45179	608	20	on	on	IN
45179	608	21	different	different	JJ
45179	608	22	divisions	division	NNS
45179	608	23	of	of	IN
45179	608	24	the	the	DT
45179	608	25	Philadelphia	Philadelphia	NNP
45179	608	26	and	and	CC
45179	608	27	Erie	Erie	NNP
45179	608	28	railroad	railroad	NN
45179	608	29	,	,	,
45179	608	30	and	and	CC
45179	608	31	on	on	IN
45179	608	32	other	other	JJ
45179	608	33	roads	road	NNS
45179	608	34	.	.	.
45179	609	1	1872	1872	CD
45179	609	2	-	-	SYM
45179	609	3	79	79	CD
45179	609	4	.	.	.
45179	610	1	In	in	IN
45179	610	2	1872	1872	CD
45179	610	3	to	to	IN
45179	610	4	'	'	''
45179	610	5	79	79	CD
45179	610	6	I	-PRON-	PRP
45179	610	7	installed	instal	VBD
45179	610	8	the	the	DT
45179	610	9	closed	close	VBN
45179	610	10	circuit	circuit	NN
45179	610	11	rail	rail	NN
45179	610	12	system	system	NN
45179	610	13	of	of	IN
45179	610	14	automatic	automatic	JJ
45179	610	15	signaling	signal	VBG
45179	610	16	on	on	IN
45179	610	17	various	various	JJ
45179	610	18	railroads	railroad	NNS
45179	610	19	in	in	IN
45179	610	20	Pennsylvania	Pennsylvania	NNP
45179	610	21	,	,	,
45179	610	22	New	New	NNP
45179	610	23	England	England	NNP
45179	610	24	and	and	CC
45179	610	25	elsewhere	elsewhere	RB
45179	610	26	.	.	.
45179	611	1	I	-PRON-	PRP
45179	611	2	perfected	perfect	VBD
45179	611	3	the	the	DT
45179	611	4	system	system	NN
45179	611	5	and	and	CC
45179	611	6	put	put	VB
45179	611	7	it	-PRON-	PRP
45179	611	8	in	in	RP
45179	611	9	as	as	IN
45179	611	10	perfect	perfect	JJ
45179	611	11	and	and	CC
45179	611	12	efficient	efficient	JJ
45179	611	13	and	and	CC
45179	611	14	durable	durable	JJ
45179	611	15	operation	operation	NN
45179	611	16	at	at	IN
45179	611	17	that	that	DT
45179	611	18	time	time	NN
45179	611	19	as	as	IN
45179	611	20	it	-PRON-	PRP
45179	611	21	is	be	VBZ
45179	611	22	in	in	IN
45179	611	23	today	today	NN
45179	611	24	,	,	,
45179	611	25	including	include	VBG
45179	611	26	all	all	PDT
45179	611	27	its	-PRON-	PRP$
45179	611	28	functions	function	NNS
45179	611	29	of	of	IN
45179	611	30	block	block	NN
45179	611	31	,	,	,
45179	611	32	switch	switch	NN
45179	611	33	,	,	,
45179	611	34	road	road	NN
45179	611	35	-	-	HYPH
45179	611	36	crossing	crossing	NN
45179	611	37	,	,	,
45179	611	38	overlapping	overlapping	NN
45179	611	39	,	,	,
45179	611	40	rear	rear	JJ
45179	611	41	and	and	CC
45179	611	42	front	front	JJ
45179	611	43	,	,	,
45179	611	44	tell	tell	VB
45179	611	45	-	-	HYPH
45179	611	46	tale	tale	NN
45179	611	47	and	and	CC
45179	611	48	broken	break	VBN
45179	611	49	rail	rail	NN
45179	611	50	detector	detector	NN
45179	611	51	.	.	.
45179	612	1	1878	1878	CD
45179	612	2	.	.	.
45179	613	1	Organized	organize	VBN
45179	613	2	and	and	CC
45179	613	3	owned	own	VBN
45179	613	4	the	the	DT
45179	613	5	Union	Union	NNP
45179	613	6	Electric	Electric	NNP
45179	613	7	Signal	Signal	NNP
45179	613	8	Company	Company	NNP
45179	613	9	,	,	,
45179	613	10	based	base	VBN
45179	613	11	solely	solely	RB
45179	613	12	on	on	IN
45179	613	13	my	-PRON-	PRP$
45179	613	14	signal	signal	NN
45179	613	15	patents	patent	NNS
45179	613	16	,	,	,
45179	613	17	at	at	IN
45179	613	18	that	that	DT
45179	613	19	time	time	NN
45179	613	20	nine	nine	CD
45179	613	21	in	in	IN
45179	613	22	number	number	NN
45179	613	23	.	.	.
45179	614	1	Some	some	DT
45179	614	2	time	time	NN
45179	614	3	afterwards	afterwards	RB
45179	614	4	George	George	NNP
45179	614	5	Westinghouse	Westinghouse	NNP
45179	614	6	and	and	CC
45179	614	7	his	-PRON-	PRP$
45179	614	8	associates	associate	NNS
45179	614	9	bought	buy	VBD
45179	614	10	the	the	DT
45179	614	11	controlling	control	VBG
45179	614	12	interest	interest	NN
45179	614	13	in	in	IN
45179	614	14	the	the	DT
45179	614	15	Union	Union	NNP
45179	614	16	Electric	Electric	NNP
45179	614	17	Signal	Signal	NNP
45179	614	18	Company	Company	NNP
45179	614	19	and	and	CC
45179	614	20	reorganized	reorganize	VBD
45179	614	21	the	the	DT
45179	614	22	company	company	NN
45179	614	23	under	under	IN
45179	614	24	the	the	DT
45179	614	25	name	name	NN
45179	614	26	of	of	IN
45179	614	27	the	the	DT
45179	614	28	Union	Union	NNP
45179	614	29	Switch	Switch	NNP
45179	614	30	and	and	CC
45179	614	31	Signal	Signal	NNP
45179	614	32	Company	Company	NNP
45179	614	33	.	.	.
45179	615	1	Thus	thus	RB
45179	615	2	,	,	,
45179	615	3	the	the	DT
45179	615	4	automatic	automatic	JJ
45179	615	5	signal	signal	NN
45179	615	6	system	system	NN
45179	615	7	of	of	IN
45179	615	8	the	the	DT
45179	615	9	Union	Union	NNP
45179	615	10	Switch	Switch	NNP
45179	615	11	and	and	CC
45179	615	12	Signal	Signal	NNP
45179	615	13	Co.	Co.	NNP
45179	615	14	consists	consist	VBZ
45179	615	15	,	,	,
45179	615	16	in	in	IN
45179	615	17	every	every	DT
45179	615	18	essential	essential	JJ
45179	615	19	particular	particular	JJ
45179	615	20	,	,	,
45179	615	21	of	of	IN
45179	615	22	the	the	DT
45179	615	23	Robinson	Robinson	NNP
45179	615	24	system	system	NN
45179	615	25	,	,	,
45179	615	26	pure	pure	JJ
45179	615	27	and	and	CC
45179	615	28	simple	simple	JJ
45179	615	29	.	.	.
45179	616	1	It	-PRON-	PRP
45179	616	2	may	may	MD
45179	616	3	be	be	VB
45179	616	4	here	here	RB
45179	616	5	pointed	point	VBN
45179	616	6	out	out	RP
45179	616	7	that	that	IN
45179	616	8	all	all	PDT
45179	616	9	the	the	DT
45179	616	10	railway	railway	NN
45179	616	11	signal	signal	NN
45179	616	12	companies	company	NNS
45179	616	13	now	now	RB
45179	616	14	in	in	IN
45179	616	15	operation	operation	NN
45179	616	16	,	,	,
45179	616	17	installing	instal	VBG
45179	616	18	automatic	automatic	JJ
45179	616	19	signals	signal	NNS
45179	616	20	under	under	IN
45179	616	21	whatever	whatever	WDT
45179	616	22	name	name	NN
45179	616	23	,	,	,
45179	616	24	are	be	VBP
45179	616	25	using	use	VBG
45179	616	26	the	the	DT
45179	616	27	Robinson	Robinson	NNP
45179	616	28	system	system	NN
45179	616	29	bodily	bodily	RB
45179	616	30	,	,	,
45179	616	31	and	and	CC
45179	616	32	have	have	VBP
45179	616	33	been	be	VBN
45179	616	34	since	since	IN
45179	616	35	the	the	DT
45179	616	36	expiration	expiration	NN
45179	616	37	of	of	IN
45179	616	38	Robinson	Robinson	NNP
45179	616	39	's	's	POS
45179	616	40	basic	basic	JJ
45179	616	41	patents	patent	NNS
45179	616	42	.	.	.
45179	617	1	There	there	EX
45179	617	2	is	be	VBZ
45179	617	3	no	no	DT
45179	617	4	other	other	JJ
45179	617	5	system	system	NN
45179	617	6	,	,	,
45179	617	7	as	as	IN
45179	617	8	a	a	DT
45179	617	9	system	system	NN
45179	617	10	,	,	,
45179	617	11	in	in	IN
45179	617	12	use	use	NN
45179	617	13	.	.	.
45179	618	1	HISTORY	HISTORY	NNP
45179	618	2	:	:	:
45179	618	3	Several	several	JJ
45179	618	4	years	year	NNS
45179	618	5	ago	ago	RB
45179	618	6	I	-PRON-	PRP
45179	618	7	published	publish	VBD
45179	618	8	a	a	DT
45179	618	9	"	"	``
45179	618	10	History	history	NN
45179	618	11	of	of	IN
45179	618	12	Automatic	Automatic	NNP
45179	618	13	Electric	Electric	NNP
45179	618	14	and	and	CC
45179	618	15	Electrically	electrically	RB
45179	618	16	Controlled	control	VBN
45179	618	17	Fluid	Fluid	NNP
45179	618	18	Pressure	Pressure	NNP
45179	618	19	Signal	Signal	NNP
45179	618	20	Systems	Systems	NNPS
45179	618	21	for	for	IN
45179	618	22	Railroads	railroad	NNS
45179	618	23	,	,	,
45179	618	24	"	"	''
45179	618	25	the	the	DT
45179	618	26	only	only	JJ
45179	618	27	authentic	authentic	JJ
45179	618	28	history	history	NN
45179	618	29	ever	ever	RB
45179	618	30	published	publish	VBN
45179	618	31	on	on	IN
45179	618	32	the	the	DT
45179	618	33	subject	subject	NN
45179	618	34	.	.	.
45179	619	1	This	this	DT
45179	619	2	was	be	VBD
45179	619	3	written	write	VBN
45179	619	4	and	and	CC
45179	619	5	published	publish	VBN
45179	619	6	at	at	IN
45179	619	7	the	the	DT
45179	619	8	instance	instance	NN
45179	619	9	of	of	IN
45179	619	10	engineering	engineering	NN
45179	619	11	friends	friend	NNS
45179	619	12	,	,	,
45179	619	13	in	in	IN
45179	619	14	the	the	DT
45179	619	15	interest	interest	NN
45179	619	16	of	of	IN
45179	619	17	indisputable	indisputable	JJ
45179	619	18	historical	historical	JJ
45179	619	19	accuracy	accuracy	NN
45179	619	20	.	.	.
45179	620	1	Telephone	telephone	NN
45179	620	2	Experiments	experiment	NNS
45179	620	3	1876	1876	CD
45179	620	4	.	.	.
45179	621	1	As	as	IN
45179	621	2	a	a	DT
45179	621	3	matter	matter	NN
45179	621	4	of	of	IN
45179	621	5	more	more	JJR
45179	621	6	or	or	CC
45179	621	7	less	less	JJR
45179	621	8	interest	interest	NN
45179	621	9	I	-PRON-	PRP
45179	621	10	may	may	MD
45179	621	11	here	here	RB
45179	621	12	state	state	VB
45179	621	13	that	that	IN
45179	621	14	I	-PRON-	PRP
45179	621	15	carried	carry	VBD
45179	621	16	on	on	IN
45179	621	17	a	a	DT
45179	621	18	conversation	conversation	NN
45179	621	19	by	by	IN
45179	621	20	telephone	telephone	NN
45179	621	21	,	,	,
45179	621	22	in	in	IN
45179	621	23	1876	1876	CD
45179	621	24	,	,	,
45179	621	25	through	through	IN
45179	621	26	a	a	DT
45179	621	27	railroad	railroad	NN
45179	621	28	track	track	NN
45179	621	29	,	,	,
45179	621	30	the	the	DT
45179	621	31	circuit	circuit	NN
45179	621	32	consisting	consist	VBG
45179	621	33	of	of	IN
45179	621	34	the	the	DT
45179	621	35	two	two	CD
45179	621	36	rail	rail	NN
45179	621	37	lines	line	NNS
45179	621	38	constituting	constitute	VBG
45179	621	39	a	a	DT
45179	621	40	closed	closed	JJ
45179	621	41	circuit	circuit	NN
45179	621	42	signal	signal	NN
45179	621	43	block	block	NN
45179	621	44	.	.	.
45179	622	1	1877	1877	CD
45179	622	2	-	-	SYM
45179	622	3	8	8	CD
45179	622	4	.	.	.
45179	623	1	Delivered	deliver	VBN
45179	623	2	numerous	numerous	JJ
45179	623	3	illustrated	illustrate	VBN
45179	623	4	lectures	lecture	NNS
45179	623	5	on	on	IN
45179	623	6	the	the	DT
45179	623	7	telephone	telephone	NN
45179	623	8	,	,	,
45179	623	9	and	and	CC
45179	623	10	at	at	IN
45179	623	11	this	this	DT
45179	623	12	time	time	NN
45179	623	13	discovered	discover	VBD
45179	623	14	the	the	DT
45179	623	15	principle	principle	NN
45179	623	16	of	of	IN
45179	623	17	the	the	DT
45179	623	18	wireless	wireless	JJ
45179	623	19	telephone	telephone	NN
45179	623	20	and	and	CC
45179	623	21	actually	actually	RB
45179	623	22	transmitted	transmit	VBN
45179	623	23	speech	speech	NN
45179	623	24	clearly	clearly	RB
45179	623	25	back	back	RB
45179	623	26	and	and	CC
45179	623	27	forth	forth	RB
45179	623	28	across	across	IN
45179	623	29	an	an	DT
45179	623	30	open	open	JJ
45179	623	31	space	space	NN
45179	623	32	of	of	IN
45179	623	33	several	several	JJ
45179	623	34	inches	inch	NNS
45179	623	35	to	to	IN
45179	623	36	and	and	CC
45179	623	37	from	from	IN
45179	623	38	a	a	DT
45179	623	39	telephone	telephone	NN
45179	623	40	having	have	VBG
45179	623	41	but	but	CC
45179	623	42	one	one	CD
45179	623	43	terminal	terminal	NN
45179	623	44	grounded	ground	VBN
45179	623	45	and	and	CC
45179	623	46	the	the	DT
45179	623	47	other	other	JJ
45179	623	48	free	free	JJ
45179	623	49	in	in	IN
45179	623	50	the	the	DT
45179	623	51	air	air	NN
45179	623	52	.	.	.
45179	624	1	The	the	DT
45179	624	2	free	free	JJ
45179	624	3	,	,	,
45179	624	4	uninsulated	uninsulated	JJ
45179	624	5	wire	wire	NN
45179	624	6	(	(	-LRB-
45179	624	7	except	except	IN
45179	624	8	at	at	IN
45179	624	9	supports	support	NNS
45179	624	10	)	)	-RRB-
45179	624	11	extended	extend	VBD
45179	624	12	several	several	JJ
45179	624	13	hundred	hundred	CD
45179	624	14	feet	foot	NNS
45179	624	15	through	through	IN
45179	624	16	the	the	DT
45179	624	17	air	air	NN
45179	624	18	.	.	.
45179	625	1	The	the	DT
45179	625	2	instruments	instrument	NNS
45179	625	3	used	use	VBN
45179	625	4	were	be	VBD
45179	625	5	large	large	JJ
45179	625	6	magneto	magneto	NN
45179	625	7	telephones	telephone	NNS
45179	625	8	of	of	IN
45179	625	9	my	-PRON-	PRP$
45179	625	10	own	own	JJ
45179	625	11	special	special	JJ
45179	625	12	designing	designing	NN
45179	625	13	,	,	,
45179	625	14	and	and	CC
45179	625	15	made	make	VBN
45179	625	16	by	by	IN
45179	625	17	me	-PRON-	PRP
45179	625	18	for	for	IN
45179	625	19	the	the	DT
45179	625	20	special	special	JJ
45179	625	21	purpose	purpose	NN
45179	625	22	of	of	IN
45179	625	23	illustrating	illustrate	VBG
45179	625	24	lectures	lecture	NNS
45179	625	25	.	.	.
45179	626	1	No	no	DT
45179	626	2	battery	battery	NN
45179	626	3	was	be	VBD
45179	626	4	used	use	VBN
45179	626	5	.	.	.
45179	627	1	Electric	Electric	NNP
45179	627	2	Railway	Railway	NNP
45179	627	3	Systems	Systems	NNP
45179	627	4	Outside	Outside	NNP
45179	627	5	of	of	IN
45179	627	6	automatic	automatic	JJ
45179	627	7	signaling	signaling	NN
45179	627	8	I	-PRON-	PRP
45179	627	9	have	have	VBP
45179	627	10	done	do	VBN
45179	627	11	considerable	considerable	JJ
45179	627	12	work	work	NN
45179	627	13	along	along	IN
45179	627	14	original	original	JJ
45179	627	15	electrical	electrical	JJ
45179	627	16	lines	line	NNS
45179	627	17	.	.	.
45179	628	1	In	in	IN
45179	628	2	addition	addition	NN
45179	628	3	to	to	IN
45179	628	4	other	other	JJ
45179	628	5	work	work	NN
45179	628	6	of	of	IN
45179	628	7	importance	importance	NN
45179	628	8	I	-PRON-	PRP
45179	628	9	have	have	VBP
45179	628	10	for	for	IN
45179	628	11	more	more	JJR
45179	628	12	than	than	IN
45179	628	13	fifteen	fifteen	CD
45179	628	14	years	year	NNS
45179	628	15	devoted	devote	VBN
45179	628	16	much	much	JJ
45179	628	17	time	time	NN
45179	628	18	to	to	IN
45179	628	19	developing	develop	VBG
45179	628	20	a	a	DT
45179	628	21	radically	radically	RB
45179	628	22	new	new	JJ
45179	628	23	departure	departure	NN
45179	628	24	in	in	IN
45179	628	25	electric	electric	JJ
45179	628	26	railroading	railroading	NN
45179	628	27	.	.	.
45179	629	1	On	on	IN
45179	629	2	this	this	DT
45179	629	3	system	system	NN
45179	629	4	I	-PRON-	PRP
45179	629	5	have	have	VBP
45179	629	6	applied	apply	VBN
45179	629	7	for	for	IN
45179	629	8	more	more	JJR
45179	629	9	than	than	IN
45179	629	10	twenty	twenty	CD
45179	629	11	patents	patent	NNS
45179	629	12	,	,	,
45179	629	13	extending	extend	VBG
45179	629	14	over	over	IN
45179	629	15	a	a	DT
45179	629	16	series	series	NN
45179	629	17	of	of	IN
45179	629	18	years	year	NNS
45179	629	19	,	,	,
45179	629	20	fourteen	fourteen	CD
45179	629	21	of	of	IN
45179	629	22	which	which	WDT
45179	629	23	patents	patent	NNS
45179	629	24	have	have	VBP
45179	629	25	already	already	RB
45179	629	26	been	be	VBN
45179	629	27	issued	issue	VBN
45179	629	28	.	.	.
45179	630	1	What	what	WP
45179	630	2	This	this	DT
45179	630	3	System	system	NN
45179	630	4	Accomplishes	accomplish	VBZ
45179	630	5	1	1	CD
45179	630	6	.	.	.
45179	631	1	The	the	DT
45179	631	2	third	third	JJ
45179	631	3	rail	rail	NN
45179	631	4	or	or	CC
45179	631	5	contact	contact	NN
45179	631	6	conductor	conductor	NN
45179	631	7	is	be	VBZ
45179	631	8	made	make	VBN
45179	631	9	in	in	IN
45179	631	10	sections	section	NNS
45179	631	11	or	or	CC
45179	631	12	blocks	block	NNS
45179	631	13	of	of	IN
45179	631	14	any	any	DT
45179	631	15	desired	desire	VBN
45179	631	16	length	length	NN
45179	631	17	,	,	,
45179	631	18	which	which	WDT
45179	631	19	sections	section	NNS
45179	631	20	are	be	VBP
45179	631	21	normally	normally	RB
45179	631	22	dead	dead	JJ
45179	631	23	but	but	CC
45179	631	24	become	become	VBN
45179	631	25	automatically	automatically	RB
45179	631	26	alive	alive	JJ
45179	631	27	when	when	WRB
45179	631	28	a	a	DT
45179	631	29	train	train	NN
45179	631	30	enters	enter	VBZ
45179	631	31	thereupon	thereupon	RB
45179	631	32	,	,	,
45179	631	33	and	and	CC
45179	631	34	dead	dead	JJ
45179	631	35	when	when	WRB
45179	631	36	the	the	DT
45179	631	37	train	train	NN
45179	631	38	leaves	leave	VBZ
45179	631	39	the	the	DT
45179	631	40	section	section	NN
45179	631	41	.	.	.
45179	632	1	2	2	LS
45179	632	2	.	.	.
45179	633	1	When	when	WRB
45179	633	2	a	a	DT
45179	633	3	train	train	NN
45179	633	4	enters	enter	VBZ
45179	633	5	upon	upon	IN
45179	633	6	a	a	DT
45179	633	7	section	section	NN
45179	633	8	or	or	CC
45179	633	9	block	block	VB
45179	633	10	it	-PRON-	PRP
45179	633	11	prevents	prevent	VBZ
45179	633	12	the	the	DT
45179	633	13	section	section	NN
45179	633	14	back	back	RB
45179	633	15	of	of	IN
45179	633	16	it	-PRON-	PRP
45179	633	17	from	from	IN
45179	633	18	receiving	receive	VBG
45179	633	19	working	work	VBG
45179	633	20	current	current	NN
45179	633	21	.	.	.
45179	634	1	Thus	thus	RB
45179	634	2	any	any	DT
45179	634	3	number	number	NN
45179	634	4	of	of	IN
45179	634	5	trains	train	NNS
45179	634	6	following	follow	VBG
45179	634	7	each	each	DT
45179	634	8	other	other	JJ
45179	634	9	will	will	MD
45179	634	10	each	each	DT
45179	634	11	be	be	VB
45179	634	12	deprived	deprive	VBN
45179	634	13	of	of	IN
45179	634	14	working	work	VBG
45179	634	15	current	current	JJ
45179	634	16	when	when	WRB
45179	634	17	the	the	DT
45179	634	18	length	length	NN
45179	634	19	of	of	IN
45179	634	20	a	a	DT
45179	634	21	block	block	NN
45179	634	22	back	back	RB
45179	634	23	of	of	IN
45179	634	24	the	the	DT
45179	634	25	train	train	NN
45179	634	26	ahead	ahead	RB
45179	634	27	of	of	IN
45179	634	28	it	-PRON-	PRP
45179	634	29	,	,	,
45179	634	30	whether	whether	IN
45179	634	31	that	that	DT
45179	634	32	train	train	NN
45179	634	33	be	be	VBP
45179	634	34	running	run	VBG
45179	634	35	or	or	CC
45179	634	36	standing	stand	VBG
45179	634	37	still	still	RB
45179	634	38	,	,	,
45179	634	39	thus	thus	RB
45179	634	40	preventing	prevent	VBG
45179	634	41	collisions	collision	NNS
45179	634	42	.	.	.
45179	635	1	3	3	LS
45179	635	2	.	.	.
45179	636	1	A	a	DT
45179	636	2	train	train	NN
45179	636	3	approaching	approach	VBG
45179	636	4	a	a	DT
45179	636	5	switch	switch	NN
45179	636	6	or	or	CC
45179	636	7	drawbridge	drawbridge	NN
45179	636	8	is	be	VBZ
45179	636	9	automatically	automatically	RB
45179	636	10	arrested	arrest	VBN
45179	636	11	the	the	DT
45179	636	12	length	length	NN
45179	636	13	of	of	IN
45179	636	14	a	a	DT
45179	636	15	block	block	NN
45179	636	16	away	away	RB
45179	636	17	from	from	IN
45179	636	18	the	the	DT
45179	636	19	block	block	NN
45179	636	20	containing	contain	VBG
45179	636	21	the	the	DT
45179	636	22	switch	switch	NN
45179	636	23	or	or	CC
45179	636	24	draw	draw	VB
45179	636	25	before	before	IN
45179	636	26	a	a	DT
45179	636	27	bolt	bolt	NN
45179	636	28	can	can	MD
45179	636	29	be	be	VB
45179	636	30	withdrawn	withdraw	VBN
45179	636	31	or	or	CC
45179	636	32	a	a	DT
45179	636	33	lock	lock	NN
45179	636	34	released	release	VBN
45179	636	35	in	in	IN
45179	636	36	the	the	DT
45179	636	37	latter	latter	NN
45179	636	38	.	.	.
45179	637	1	4	4	LS
45179	637	2	.	.	.
45179	638	1	No	no	DT
45179	638	2	possibility	possibility	NN
45179	638	3	of	of	IN
45179	638	4	interference	interference	NN
45179	638	5	between	between	IN
45179	638	6	a	a	DT
45179	638	7	possible	possible	JJ
45179	638	8	wandering	wandering	NN
45179	638	9	propulsion	propulsion	NN
45179	638	10	current	current	NN
45179	638	11	and	and	CC
45179	638	12	the	the	DT
45179	638	13	functions	function	NNS
45179	638	14	of	of	IN
45179	638	15	any	any	DT
45179	638	16	other	other	JJ
45179	638	17	current	current	NN
45179	638	18	.	.	.
45179	639	1	5	5	CD
45179	639	2	.	.	.
45179	640	1	All	all	DT
45179	640	2	currents	current	NNS
45179	640	3	used	use	VBD
45179	640	4	may	may	MD
45179	640	5	be	be	VB
45179	640	6	of	of	IN
45179	640	7	the	the	DT
45179	640	8	same	same	JJ
45179	640	9	or	or	CC
45179	640	10	have	have	VBP
45179	640	11	any	any	DT
45179	640	12	combination	combination	NN
45179	640	13	of	of	IN
45179	640	14	different	different	JJ
45179	640	15	characteristics	characteristic	NNS
45179	640	16	.	.	.
45179	641	1	The	the	DT
45179	641	2	system	system	NN
45179	641	3	is	be	VBZ
45179	641	4	elaborate	elaborate	JJ
45179	641	5	,	,	,
45179	641	6	providing	provide	VBG
45179	641	7	for	for	IN
45179	641	8	safety	safety	NN
45179	641	9	on	on	IN
45179	641	10	and	and	CC
45179	641	11	off	off	IN
45179	641	12	the	the	DT
45179	641	13	trains	train	NNS
45179	641	14	,	,	,
45179	641	15	economy	economy	NN
45179	641	16	of	of	IN
45179	641	17	current	current	JJ
45179	641	18	,	,	,
45179	641	19	simplicity	simplicity	NN
45179	641	20	and	and	CC
45179	641	21	certainty	certainty	NN
45179	641	22	in	in	IN
45179	641	23	action	action	NN
45179	641	24	,	,	,
45179	641	25	dispenses	dispense	VBZ
45179	641	26	largely	largely	RB
45179	641	27	with	with	IN
45179	641	28	electrolytic	electrolytic	JJ
45179	641	29	action	action	NN
45179	641	30	,	,	,
45179	641	31	and	and	CC
45179	641	32	when	when	WRB
45179	641	33	alternating	alternate	VBG
45179	641	34	propulsion	propulsion	NN
45179	641	35	current	current	NN
45179	641	36	is	be	VBZ
45179	641	37	used	use	VBN
45179	641	38	the	the	DT
45179	641	39	return	return	NN
45179	641	40	is	be	VBZ
45179	641	41	confined	confine	VBN
45179	641	42	to	to	IN
45179	641	43	the	the	DT
45179	641	44	length	length	NN
45179	641	45	of	of	IN
45179	641	46	the	the	DT
45179	641	47	block	block	NN
45179	641	48	.	.	.
45179	642	1	It	-PRON-	PRP
45179	642	2	is	be	VBZ
45179	642	3	believed	believe	VBN
45179	642	4	that	that	IN
45179	642	5	the	the	DT
45179	642	6	system	system	NN
45179	642	7	will	will	MD
45179	642	8	prevent	prevent	VB
45179	642	9	all	all	DT
45179	642	10	danger	danger	NN
45179	642	11	to	to	IN
45179	642	12	passengers	passenger	NNS
45179	642	13	and	and	CC
45179	642	14	trains	train	NNS
45179	642	15	from	from	IN
45179	642	16	the	the	DT
45179	642	17	direct	direct	JJ
45179	642	18	action	action	NN
45179	642	19	of	of	IN
45179	642	20	the	the	DT
45179	642	21	propulsion	propulsion	NN
45179	642	22	current	current	JJ
45179	642	23	.	.	.
45179	643	1	President	President	NNP
45179	643	2	Roosevelt	Roosevelt	NNP
45179	643	3	called	call	VBD
45179	643	4	the	the	DT
45179	643	5	attention	attention	NN
45179	643	6	of	of	IN
45179	643	7	the	the	DT
45179	643	8	Interstate	Interstate	NNP
45179	643	9	Commerce	Commerce	NNP
45179	643	10	Commission	Commission	NNP
45179	643	11	to	to	IN
45179	643	12	my	-PRON-	PRP$
45179	643	13	electrical	electrical	JJ
45179	643	14	and	and	CC
45179	643	15	mechanical	mechanical	JJ
45179	643	16	inventions	invention	NNS
45179	643	17	for	for	IN
45179	643	18	making	make	VBG
45179	643	19	railroading	railroad	VBG
45179	643	20	safe	safe	JJ
45179	643	21	.	.	.
45179	644	1	Mechanical	Mechanical	NNP
45179	644	2	Engineering	Engineering	NNP
45179	644	3	I	-PRON-	PRP
45179	644	4	have	have	VBP
45179	644	5	done	do	VBN
45179	644	6	considerable	considerable	JJ
45179	644	7	original	original	JJ
45179	644	8	work	work	NN
45179	644	9	in	in	IN
45179	644	10	mechanical	mechanical	JJ
45179	644	11	engineering	engineering	NN
45179	644	12	.	.	.
45179	645	1	In	in	IN
45179	645	2	this	this	DT
45179	645	3	connection	connection	NN
45179	645	4	I	-PRON-	PRP
45179	645	5	may	may	MD
45179	645	6	mention	mention	VB
45179	645	7	the	the	DT
45179	645	8	well	well	RB
45179	645	9	known	know	VBN
45179	645	10	Robinson	Robinson	NNP
45179	645	11	Radial	Radial	NNP
45179	645	12	Car	Car	NNP
45179	645	13	Truck	Truck	NNP
45179	645	14	,	,	,
45179	645	15	which	which	WDT
45179	645	16	is	be	VBZ
45179	645	17	in	in	IN
45179	645	18	quite	quite	RB
45179	645	19	extensive	extensive	JJ
45179	645	20	operation	operation	NN
45179	645	21	on	on	IN
45179	645	22	electric	electric	JJ
45179	645	23	railways	railway	NNS
45179	645	24	.	.	.
45179	646	1	This	this	DT
45179	646	2	is	be	VBZ
45179	646	3	the	the	DT
45179	646	4	only	only	JJ
45179	646	5	car	car	NN
45179	646	6	truck	truck	NN
45179	646	7	,	,	,
45179	646	8	I	-PRON-	PRP
45179	646	9	believe	believe	VBP
45179	646	10	,	,	,
45179	646	11	ever	ever	RB
45179	646	12	designed	design	VBN
45179	646	13	and	and	CC
45179	646	14	constructed	construct	VBN
45179	646	15	on	on	IN
45179	646	16	correct	correct	JJ
45179	646	17	mechanical	mechanical	JJ
45179	646	18	principles	principle	NNS
45179	646	19	.	.	.
45179	647	1	It	-PRON-	PRP
45179	647	2	is	be	VBZ
45179	647	3	so	so	RB
45179	647	4	constructed	construct	VBN
45179	647	5	that	that	IN
45179	647	6	every	every	DT
45179	647	7	axle	axle	NN
45179	647	8	in	in	IN
45179	647	9	the	the	DT
45179	647	10	car	car	NN
45179	647	11	or	or	CC
45179	647	12	train	train	NN
45179	647	13	becomes	become	VBZ
45179	647	14	exactly	exactly	RB
45179	647	15	radial	radial	JJ
45179	647	16	to	to	IN
45179	647	17	any	any	DT
45179	647	18	curve	curve	NN
45179	647	19	around	around	IN
45179	647	20	which	which	WDT
45179	647	21	it	-PRON-	PRP
45179	647	22	passes	pass	VBZ
45179	647	23	,	,	,
45179	647	24	all	all	PDT
45179	647	25	the	the	DT
45179	647	26	axles	axle	NNS
45179	647	27	becoming	become	VBG
45179	647	28	parallel	parallel	NN
45179	647	29	on	on	IN
45179	647	30	straight	straight	JJ
45179	647	31	lines	line	NNS
45179	647	32	only	only	RB
45179	647	33	.	.	.
45179	648	1	This	this	DT
45179	648	2	prevents	prevent	NNS
45179	648	3	wear	wear	VBP
45179	648	4	and	and	CC
45179	648	5	tear	tear	NN
45179	648	6	and	and	CC
45179	648	7	grinding	grinding	NN
45179	648	8	and	and	CC
45179	648	9	derailment	derailment	NN
45179	648	10	on	on	IN
45179	648	11	curves	curve	NNS
45179	648	12	.	.	.
45179	649	1	It	-PRON-	PRP
45179	649	2	also	also	RB
45179	649	3	greatly	greatly	RB
45179	649	4	economizes	economize	VBZ
45179	649	5	current	current	JJ
45179	649	6	.	.	.
45179	650	1	One	one	CD
45179	650	2	of	of	IN
45179	650	3	these	these	DT
45179	650	4	radial	radial	JJ
45179	650	5	cars	car	NNS
45179	650	6	,	,	,
45179	650	7	in	in	IN
45179	650	8	St.	St.	NNP
45179	650	9	Louis	Louis	NNP
45179	650	10	,	,	,
45179	650	11	having	have	VBG
45179	650	12	a	a	DT
45179	650	13	28-ft	28-ft	NNP
45179	650	14	.	.	.
45179	650	15	body	body	NN
45179	650	16	,	,	,
45179	650	17	exclusive	exclusive	JJ
45179	650	18	of	of	IN
45179	650	19	platforms	platform	NNS
45179	650	20	,	,	,
45179	650	21	equipped	equip	VBN
45179	650	22	with	with	IN
45179	650	23	a	a	DT
45179	650	24	radial	radial	JJ
45179	650	25	truck	truck	NN
45179	650	26	having	have	VBG
45179	650	27	a	a	DT
45179	650	28	15-ft	15-ft	NNP
45179	650	29	.	.	.
45179	650	30	wheel	wheel	NN
45179	650	31	-	-	HYPH
45179	650	32	base	base	NN
45179	650	33	and	and	CC
45179	650	34	two	two	CD
45179	650	35	motors	motor	NNS
45179	650	36	,	,	,
45179	650	37	stopped	stop	VBD
45179	650	38	in	in	IN
45179	650	39	the	the	DT
45179	650	40	middle	middle	NN
45179	650	41	of	of	IN
45179	650	42	a	a	DT
45179	650	43	street	street	NN
45179	650	44	corner	corner	NN
45179	650	45	curve	curve	NN
45179	650	46	and	and	CC
45179	650	47	started	start	VBD
45179	650	48	with	with	IN
45179	650	49	the	the	DT
45179	650	50	same	same	JJ
45179	650	51	power	power	NN
45179	650	52	as	as	IN
45179	650	53	on	on	IN
45179	650	54	a	a	DT
45179	650	55	straight	straight	JJ
45179	650	56	line	line	NN
45179	650	57	,	,	,
45179	650	58	as	as	IN
45179	650	59	shown	show	VBN
45179	650	60	by	by	IN
45179	650	61	careful	careful	JJ
45179	650	62	tests	test	NNS
45179	650	63	with	with	IN
45179	650	64	volt	volt	NN
45179	650	65	and	and	CC
45179	650	66	ammeters	ammeter	NNS
45179	650	67	.	.	.
45179	651	1	The	the	DT
45179	651	2	test	test	NN
45179	651	3	was	be	VBD
45179	651	4	made	make	VBN
45179	651	5	by	by	IN
45179	651	6	officials	official	NNS
45179	651	7	of	of	IN
45179	651	8	the	the	DT
45179	651	9	company	company	NN
45179	651	10	without	without	IN
45179	651	11	my	-PRON-	PRP$
45179	651	12	knowledge	knowledge	NN
45179	651	13	at	at	IN
45179	651	14	the	the	DT
45179	651	15	time	time	NN
45179	651	16	.	.	.
45179	652	1	I	-PRON-	PRP
45179	652	2	believe	believe	VBP
45179	652	3	this	this	DT
45179	652	4	is	be	VBZ
45179	652	5	the	the	DT
45179	652	6	coming	come	VBG
45179	652	7	truck	truck	NN
45179	652	8	for	for	IN
45179	652	9	electric	electric	JJ
45179	652	10	locomotives	locomotive	NNS
45179	652	11	.	.	.
45179	653	1	(	(	-LRB-
45179	653	2	I	-PRON-	PRP
45179	653	3	forward	forward	RB
45179	653	4	by	by	IN
45179	653	5	same	same	JJ
45179	653	6	mail	mail	NN
45179	653	7	a	a	DT
45179	653	8	catalogue	catalogue	NN
45179	653	9	of	of	IN
45179	653	10	the	the	DT
45179	653	11	Robinson	Robinson	NNP
45179	653	12	Radial	Radial	NNP
45179	653	13	Car	Car	NNP
45179	653	14	Truck	Truck	NNP
45179	653	15	,	,	,
45179	653	16	fully	fully	RB
45179	653	17	illustrated	illustrate	VBN
45179	653	18	,	,	,
45179	653	19	for	for	IN
45179	653	20	the	the	DT
45179	653	21	information	information	NN
45179	653	22	of	of	IN
45179	653	23	the	the	DT
45179	653	24	Board	Board	NNP
45179	653	25	.	.	.
45179	653	26	)	)	-RRB-
45179	654	1	Coaster	Coaster	NNP
45179	654	2	Hub	Hub	NNP
45179	654	3	I	-PRON-	PRP
45179	654	4	am	be	VBP
45179	654	5	also	also	RB
45179	654	6	the	the	DT
45179	654	7	inventor	inventor	NN
45179	654	8	of	of	IN
45179	654	9	the	the	DT
45179	654	10	back	back	JJ
45179	654	11	pedal	pedal	NN
45179	654	12	braking	brake	VBG
45179	654	13	and	and	CC
45179	654	14	coasting	coast	VBG
45179	654	15	bicycle	bicycle	NN
45179	654	16	hub	hub	NN
45179	654	17	,	,	,
45179	654	18	which	which	WDT
45179	654	19	has	have	VBZ
45179	654	20	been	be	VBN
45179	654	21	in	in	IN
45179	654	22	general	general	JJ
45179	654	23	use	use	NN
45179	654	24	for	for	IN
45179	654	25	many	many	JJ
45179	654	26	years	year	NNS
45179	654	27	.	.	.
45179	655	1	My	-PRON-	PRP$
45179	655	2	application	application	NN
45179	655	3	for	for	IN
45179	655	4	a	a	DT
45179	655	5	basic	basic	JJ
45179	655	6	patent	patent	NN
45179	655	7	covering	cover	VBG
45179	655	8	this	this	DT
45179	655	9	hub	hub	NN
45179	655	10	has	have	VBZ
45179	655	11	been	be	VBN
45179	655	12	pending	pende	VBG
45179	655	13	in	in	IN
45179	655	14	the	the	DT
45179	655	15	Patent	Patent	NNP
45179	655	16	Office	Office	NNP
45179	655	17	for	for	IN
45179	655	18	twelve	twelve	CD
45179	655	19	years	year	NNS
45179	655	20	,	,	,
45179	655	21	held	hold	VBD
45179	655	22	back	back	RB
45179	655	23	nine	nine	CD
45179	655	24	years	year	NNS
45179	655	25	by	by	IN
45179	655	26	interference	interference	NN
45179	655	27	litigation	litigation	NN
45179	655	28	in	in	IN
45179	655	29	the	the	DT
45179	655	30	Patent	Patent	NNP
45179	655	31	Office	Office	NNP
45179	655	32	,	,	,
45179	655	33	owing	owe	VBG
45179	655	34	to	to	IN
45179	655	35	an	an	DT
45179	655	36	effete	effete	JJ
45179	655	37	interference	interference	NN
45179	655	38	system	system	NN
45179	655	39	which	which	WDT
45179	655	40	has	have	VBZ
45179	655	41	no	no	DT
45179	655	42	apology	apology	NN
45179	655	43	to	to	TO
45179	655	44	offer	offer	VB
45179	655	45	to	to	TO
45179	655	46	justify	justify	VB
45179	655	47	its	-PRON-	PRP$
45179	655	48	existence	existence	NN
45179	655	49	.	.	.
45179	656	1	Turbine	Turbine	NNP
45179	656	2	Engines	Engines	NNP
45179	656	3	In	in	IN
45179	656	4	turbine	turbine	NN
45179	656	5	engines	engine	NNS
45179	656	6	I	-PRON-	PRP
45179	656	7	have	have	VBP
45179	656	8	made	make	VBN
45179	656	9	some	some	DT
45179	656	10	important	important	JJ
45179	656	11	improvements	improvement	NNS
45179	656	12	.	.	.
45179	657	1	In	in	IN
45179	657	2	one	one	CD
45179	657	3	the	the	DT
45179	657	4	engine	engine	NN
45179	657	5	is	be	VBZ
45179	657	6	reversible	reversible	JJ
45179	657	7	by	by	IN
45179	657	8	the	the	DT
45179	657	9	movement	movement	NN
45179	657	10	of	of	IN
45179	657	11	a	a	DT
45179	657	12	single	single	JJ
45179	657	13	lever	lever	NN
45179	657	14	in	in	IN
45179	657	15	either	either	DT
45179	657	16	direction	direction	NN
45179	657	17	.	.	.
45179	658	1	In	in	IN
45179	658	2	a	a	DT
45179	658	3	second	second	NN
45179	658	4	the	the	DT
45179	658	5	steam	steam	NN
45179	658	6	is	be	VBZ
45179	658	7	utilized	utilize	VBN
45179	658	8	a	a	DT
45179	658	9	second	second	JJ
45179	658	10	time	time	NN
45179	658	11	under	under	IN
45179	658	12	conditions	condition	NNS
45179	658	13	doubling	double	VBG
45179	658	14	the	the	DT
45179	658	15	original	original	JJ
45179	658	16	efficiency	efficiency	NN
45179	658	17	,	,	,
45179	658	18	and	and	CC
45179	658	19	balancing	balance	VBG
45179	658	20	the	the	DT
45179	658	21	end	end	NN
45179	658	22	thrust	thrust	VBN
45179	658	23	perfectly	perfectly	RB
45179	658	24	.	.	.
45179	659	1	In	in	IN
45179	659	2	a	a	DT
45179	659	3	third	third	JJ
45179	659	4	improvement	improvement	NN
45179	659	5	the	the	DT
45179	659	6	engine	engine	NN
45179	659	7	develops	develop	VBZ
45179	659	8	more	more	JJR
45179	659	9	than	than	IN
45179	659	10	three	three	CD
45179	659	11	times	time	NNS
45179	659	12	as	as	RB
45179	659	13	much	much	JJ
45179	659	14	power	power	NN
45179	659	15	as	as	IN
45179	659	16	any	any	DT
45179	659	17	other	other	JJ
45179	659	18	turbine	turbine	NN
45179	659	19	of	of	IN
45179	659	20	its	-PRON-	PRP$
45179	659	21	class	class	NN
45179	659	22	occupying	occupy	VBG
45179	659	23	the	the	DT
45179	659	24	same	same	JJ
45179	659	25	floor	floor	NN
45179	659	26	space	space	NN
45179	659	27	.	.	.
45179	660	1	Patents	patent	NNS
45179	660	2	allowed	allow	VBD
45179	660	3	but	but	CC
45179	660	4	not	not	RB
45179	660	5	yet	yet	RB
45179	660	6	issued	issue	VBN
45179	660	7	.	.	.
45179	661	1	I	-PRON-	PRP
45179	661	2	figure	figure	VBP
45179	661	3	that	that	IN
45179	661	4	ocean	ocean	NN
45179	661	5	steamers	steamer	NNS
45179	661	6	should	should	MD
45179	661	7	furnish	furnish	VB
45179	661	8	a	a	DT
45179	661	9	large	large	JJ
45179	661	10	field	field	NN
45179	661	11	for	for	IN
45179	661	12	these	these	DT
45179	661	13	machines	machine	NNS
45179	661	14	.	.	.
45179	662	1	Respectfully	respectfully	RB
45179	662	2	submitted	submit	VBN
45179	662	3	,	,	,
45179	662	4	(	(	-LRB-
45179	662	5	Signed	sign	VBN
45179	662	6	)	)	-RRB-
45179	662	7	WILLIAM	WILLIAM	NNP
45179	662	8	ROBINSON	ROBINSON	NNP
45179	662	9	.	.	.
45179	663	1	276	276	CD
45179	663	2	Stuyvesant	Stuyvesant	NNP
45179	663	3	Ave	Ave	NNP
45179	663	4	.	.	NNP
45179	663	5	,	,	,
45179	663	6	Brooklyn	Brooklyn	NNP
45179	663	7	,	,	,
45179	663	8	N.Y.	New York	NNP
45179	663	9	Part	Part	NNP
45179	663	10	II	II	NNP
45179	663	11	WILLIAM	WILLIAM	NNP
45179	663	12	ASHBRIDGE	ashbridge	IN
45179	663	13	BALDWIN	BALDWIN	NNS
45179	663	14	The	the	DT
45179	663	15	progressive	progressive	JJ
45179	663	16	ideas	idea	NNS
45179	663	17	of	of	IN
45179	663	18	William	William	NNP
45179	663	19	Ashbridge	Ashbridge	NNP
45179	663	20	Baldwin	Baldwin	NNP
45179	663	21	were	be	VBD
45179	663	22	responsible	responsible	JJ
45179	663	23	for	for	IN
45179	663	24	the	the	DT
45179	663	25	first	first	JJ
45179	663	26	tests	test	NNS
45179	663	27	of	of	IN
45179	663	28	the	the	DT
45179	663	29	closed	closed	JJ
45179	663	30	track	track	NN
45179	663	31	circuit	circuit	NN
45179	663	32	under	under	IN
45179	663	33	actual	actual	JJ
45179	663	34	operating	operating	NN
45179	663	35	conditions	condition	NNS
45179	663	36	.	.	.
45179	664	1	It	-PRON-	PRP
45179	664	2	was	be	VBD
45179	664	3	through	through	IN
45179	664	4	his	-PRON-	PRP$
45179	664	5	confidence	confidence	NN
45179	664	6	in	in	IN
45179	664	7	this	this	DT
45179	664	8	invention	invention	NN
45179	664	9	of	of	IN
45179	664	10	Dr.	Dr.	NNP
45179	664	11	William	William	NNP
45179	664	12	Robinson	Robinson	NNP
45179	664	13	that	that	IN
45179	664	14	the	the	DT
45179	664	15	possibilities	possibility	NNS
45179	664	16	of	of	IN
45179	664	17	the	the	DT
45179	664	18	application	application	NN
45179	664	19	of	of	IN
45179	664	20	the	the	DT
45179	664	21	closed	closed	JJ
45179	664	22	track	track	NN
45179	664	23	circuit	circuit	NN
45179	664	24	to	to	IN
45179	664	25	the	the	DT
45179	664	26	safety	safety	NN
45179	664	27	of	of	IN
45179	664	28	train	train	NN
45179	664	29	operation	operation	NN
45179	664	30	was	be	VBD
45179	664	31	proved	prove	VBN
45179	664	32	.	.	.
45179	665	1	Mr.	Mr.	NNP
45179	665	2	Baldwin	Baldwin	NNP
45179	665	3	,	,	,
45179	665	4	at	at	IN
45179	665	5	the	the	DT
45179	665	6	time	time	NN
45179	665	7	the	the	DT
45179	665	8	first	first	JJ
45179	665	9	signal	signal	NN
45179	665	10	installations	installation	NNS
45179	665	11	were	be	VBD
45179	665	12	made	make	VBN
45179	665	13	at	at	IN
45179	665	14	Kinzua	Kinzua	NNP
45179	665	15	,	,	,
45179	665	16	Pa.	Pennsylvania	NNP
45179	665	17	,	,	,
45179	665	18	and	and	CC
45179	665	19	Irvineton	Irvineton	NNP
45179	665	20	,	,	,
45179	665	21	was	be	VBD
45179	665	22	general	general	JJ
45179	665	23	superintendent	superintendent	NN
45179	665	24	of	of	IN
45179	665	25	the	the	DT
45179	665	26	Philadelphia	Philadelphia	NNP
45179	665	27	and	and	CC
45179	665	28	Erie	Erie	NNP
45179	665	29	,	,	,
45179	665	30	now	now	RB
45179	665	31	part	part	NN
45179	665	32	of	of	IN
45179	665	33	the	the	DT
45179	665	34	Northern	Northern	NNP
45179	665	35	Grand	Grand	NNP
45179	665	36	division	division	NN
45179	665	37	,	,	,
45179	665	38	Central	central	JJ
45179	665	39	region	region	NN
45179	665	40	,	,	,
45179	665	41	Pennsylvania	Pennsylvania	NNP
45179	665	42	System	System	NNP
45179	665	43	,	,	,
45179	665	44	and	and	CC
45179	665	45	because	because	IN
45179	665	46	he	-PRON-	PRP
45179	665	47	made	make	VBD
45179	665	48	possible	possible	JJ
45179	665	49	the	the	DT
45179	665	50	development	development	NN
45179	665	51	of	of	IN
45179	665	52	signaling	signal	VBG
45179	665	53	to	to	IN
45179	665	54	its	-PRON-	PRP$
45179	665	55	present	present	JJ
45179	665	56	standard	standard	NN
45179	665	57	by	by	IN
45179	665	58	his	-PRON-	PRP$
45179	665	59	interest	interest	NN
45179	665	60	and	and	CC
45179	665	61	active	active	JJ
45179	665	62	co	co	NN
45179	665	63	-	-	NN
45179	665	64	operation	operation	NN
45179	665	65	in	in	IN
45179	665	66	the	the	DT
45179	665	67	70	70	CD
45179	665	68	's	's	POS
45179	665	69	in	in	IN
45179	665	70	making	make	VBG
45179	665	71	train	train	NN
45179	665	72	movements	movement	NNS
45179	665	73	safer	safe	JJR
45179	665	74	,	,	,
45179	665	75	it	-PRON-	PRP
45179	665	76	is	be	VBZ
45179	665	77	but	but	CC
45179	665	78	fitting	fitting	JJ
45179	665	79	that	that	IN
45179	665	80	he	-PRON-	PRP
45179	665	81	should	should	MD
45179	665	82	be	be	VB
45179	665	83	given	give	VBN
45179	665	84	a	a	DT
45179	665	85	place	place	NN
45179	665	86	in	in	IN
45179	665	87	the	the	DT
45179	665	88	memorial	memorial	NN
45179	665	89	to	to	IN
45179	665	90	Dr.	Dr.	NNP
45179	665	91	William	William	NNP
45179	665	92	Robinson	Robinson	NNP
45179	665	93	.	.	.
45179	666	1	[	[	-LRB-
45179	666	2	Illustration	illustration	NN
45179	666	3	:	:	:
45179	666	4	_	_	NNP
45179	666	5	Tracks	Tracks	NNPS
45179	666	6	and	and	CC
45179	666	7	Location	Location	NNP
45179	666	8	of	of	IN
45179	666	9	Electric	Electric	NNP
45179	666	10	Signals	Signals	NNPS
45179	666	11	Dr.	Dr.	NNP
45179	666	12	Robinson	Robinson	NNP
45179	666	13	's	's	POS
45179	666	14	Patent	Patent	NNP
45179	666	15	Kinzua	Kinzua	NNP
45179	666	16	Pa.	Pennsylvania	NNP
45179	666	17	1872	1872	CD
45179	666	18	-	-	SYM
45179	666	19	1873	1873	CD
45179	666	20	.	.	.
45179	666	21	_	_	NNP
45179	666	22	]	]	-RRB-
45179	666	23	[	[	-LRB-
45179	666	24	Illustration	illustration	NN
45179	666	25	:	:	:
45179	666	26	_	_	NNP
45179	666	27	Tracks	Tracks	NNPS
45179	666	28	and	and	CC
45179	666	29	Location	Location	NNP
45179	666	30	of	of	IN
45179	666	31	Electric	Electric	NNP
45179	666	32	Signals	Signals	NNPS
45179	666	33	Dr.	Dr.	NNP
45179	666	34	Robinson	Robinson	NNP
45179	666	35	's	's	POS
45179	666	36	Patent	Patent	NNP
45179	666	37	Irvineton	Irvineton	NNP
45179	666	38	1872	1872	CD
45179	666	39	-	-	SYM
45179	666	40	1873	1873	CD
45179	666	41	.	.	.
45179	666	42	_	_	NNP
45179	666	43	]	]	-RRB-
45179	666	44	Before	before	IN
45179	666	45	stating	state	VBG
45179	666	46	Mr.	Mr.	NNP
45179	666	47	Baldwin	Baldwin	NNP
45179	666	48	's	's	POS
45179	666	49	railroad	railroad	NN
45179	666	50	activities	activity	NNS
45179	666	51	it	-PRON-	PRP
45179	666	52	will	will	MD
45179	666	53	be	be	VB
45179	666	54	well	well	JJ
45179	666	55	to	to	TO
45179	666	56	describe	describe	VB
45179	666	57	briefly	briefly	RB
45179	666	58	the	the	DT
45179	666	59	way	way	NN
45179	666	60	in	in	IN
45179	666	61	which	which	WDT
45179	666	62	he	-PRON-	PRP
45179	666	63	became	become	VBD
45179	666	64	interested	interested	JJ
45179	666	65	in	in	IN
45179	666	66	Dr.	Dr.	NNP
45179	666	67	Robinson	Robinson	NNP
45179	666	68	and	and	CC
45179	666	69	his	-PRON-	PRP$
45179	666	70	work	work	NN
45179	666	71	.	.	.
45179	667	1	Dr.	Dr.	NNP
45179	667	2	Robinson	Robinson	NNP
45179	667	3	shortly	shortly	RB
45179	667	4	after	after	IN
45179	667	5	being	be	VBG
45179	667	6	graduated	graduate	VBN
45179	667	7	from	from	IN
45179	667	8	college	college	NN
45179	667	9	began	begin	VBD
45179	667	10	work	work	NN
45179	667	11	on	on	IN
45179	667	12	a	a	DT
45179	667	13	signal	signal	JJ
45179	667	14	system	system	NN
45179	667	15	to	to	TO
45179	667	16	prevent	prevent	VB
45179	667	17	train	train	NN
45179	667	18	accidents	accident	NNS
45179	667	19	which	which	WDT
45179	667	20	were	be	VBD
45179	667	21	of	of	IN
45179	667	22	numerous	numerous	JJ
45179	667	23	occurrence	occurrence	NN
45179	667	24	,	,	,
45179	667	25	and	and	CC
45179	667	26	made	make	VBD
45179	667	27	a	a	DT
45179	667	28	model	model	NN
45179	667	29	of	of	IN
45179	667	30	his	-PRON-	PRP$
45179	667	31	open	open	JJ
45179	667	32	wire	wire	NN
45179	667	33	system	system	NN
45179	667	34	which	which	WDT
45179	667	35	was	be	VBD
45179	667	36	exhibited	exhibit	VBN
45179	667	37	at	at	IN
45179	667	38	the	the	DT
45179	667	39	fair	fair	NN
45179	667	40	held	hold	VBN
45179	667	41	by	by	IN
45179	667	42	the	the	DT
45179	667	43	American	American	NNP
45179	667	44	Institute	Institute	NNP
45179	667	45	of	of	IN
45179	667	46	Electrical	Electrical	NNP
45179	667	47	Engineers	Engineers	NNPS
45179	667	48	in	in	IN
45179	667	49	New	New	NNP
45179	667	50	York	York	NNP
45179	667	51	in	in	IN
45179	667	52	1870	1870	CD
45179	667	53	.	.	.
45179	668	1	At	at	IN
45179	668	2	the	the	DT
45179	668	3	close	close	NN
45179	668	4	of	of	IN
45179	668	5	the	the	DT
45179	668	6	fair	fair	NN
45179	668	7	,	,	,
45179	668	8	he	-PRON-	PRP
45179	668	9	sent	send	VBD
45179	668	10	out	out	RP
45179	668	11	circulars	circular	NNS
45179	668	12	to	to	IN
45179	668	13	officers	officer	NNS
45179	668	14	of	of	IN
45179	668	15	various	various	JJ
45179	668	16	railroad	railroad	NN
45179	668	17	companies	company	NNS
45179	668	18	explaining	explain	VBG
45179	668	19	his	-PRON-	PRP$
45179	668	20	system	system	NN
45179	668	21	.	.	.
45179	669	1	The	the	DT
45179	669	2	one	one	NN
45179	669	3	received	receive	VBN
45179	669	4	by	by	IN
45179	669	5	Mr.	Mr.	NNP
45179	669	6	Baldwin	Baldwin	NNP
45179	669	7	interested	interest	VBD
45179	669	8	him	-PRON-	PRP
45179	669	9	to	to	IN
45179	669	10	such	such	PDT
45179	669	11	an	an	DT
45179	669	12	extent	extent	NN
45179	669	13	that	that	IN
45179	669	14	he	-PRON-	PRP
45179	669	15	arranged	arrange	VBD
45179	669	16	for	for	IN
45179	669	17	Dr.	Dr.	NNP
45179	669	18	Robinson	Robinson	NNP
45179	669	19	to	to	TO
45179	669	20	make	make	VB
45179	669	21	an	an	DT
45179	669	22	installation	installation	NN
45179	669	23	at	at	IN
45179	669	24	Kinzua	Kinzua	NNP
45179	669	25	,	,	,
45179	669	26	Pa.	Pennsylvania	NNP
45179	669	27	,	,	,
45179	669	28	in	in	IN
45179	669	29	1870	1870	CD
45179	669	30	.	.	.
45179	670	1	This	this	DT
45179	670	2	installation	installation	NN
45179	670	3	was	be	VBD
45179	670	4	of	of	IN
45179	670	5	the	the	DT
45179	670	6	normally	normally	RB
45179	670	7	open	open	JJ
45179	670	8	wire	wire	NN
45179	670	9	circuit	circuit	NN
45179	670	10	controlled	control	VBN
45179	670	11	by	by	IN
45179	670	12	track	track	NN
45179	670	13	levers	lever	NNS
45179	670	14	.	.	.
45179	671	1	After	after	IN
45179	671	2	the	the	DT
45179	671	3	installation	installation	NN
45179	671	4	,	,	,
45179	671	5	Dr.	Dr.	NNP
45179	671	6	Robinson	Robinson	NNP
45179	671	7	seeing	see	VBG
45179	671	8	that	that	IN
45179	671	9	it	-PRON-	PRP
45179	671	10	had	have	VBD
45179	671	11	many	many	JJ
45179	671	12	serious	serious	JJ
45179	671	13	defects	defect	NNS
45179	671	14	began	begin	VBD
45179	671	15	studying	study	VBG
45179	671	16	how	how	WRB
45179	671	17	to	to	TO
45179	671	18	correct	correct	VB
45179	671	19	them	-PRON-	PRP
45179	671	20	.	.	.
45179	672	1	This	this	DT
45179	672	2	was	be	VBD
45179	672	3	accomplished	accomplish	VBN
45179	672	4	by	by	IN
45179	672	5	the	the	DT
45179	672	6	invention	invention	NN
45179	672	7	of	of	IN
45179	672	8	the	the	DT
45179	672	9	closed	closed	JJ
45179	672	10	track	track	NN
45179	672	11	circuit	circuit	NN
45179	672	12	.	.	.
45179	673	1	He	-PRON-	PRP
45179	673	2	then	then	RB
45179	673	3	exhibited	exhibit	VBD
45179	673	4	his	-PRON-	PRP$
45179	673	5	closed	closed	JJ
45179	673	6	track	track	NN
45179	673	7	circuit	circuit	NN
45179	673	8	system	system	NN
45179	673	9	of	of	IN
45179	673	10	signaling	signal	VBG
45179	673	11	at	at	IN
45179	673	12	the	the	DT
45179	673	13	State	State	NNP
45179	673	14	Fair	Fair	NNP
45179	673	15	held	hold	VBD
45179	673	16	at	at	IN
45179	673	17	Erie	Erie	NNP
45179	673	18	,	,	,
45179	673	19	Pa.	Pennsylvania	NNP
45179	673	20	,	,	,
45179	673	21	in	in	IN
45179	673	22	1872	1872	CD
45179	673	23	,	,	,
45179	673	24	where	where	WRB
45179	673	25	he	-PRON-	PRP
45179	673	26	had	have	VBD
45179	673	27	his	-PRON-	PRP$
45179	673	28	track	track	NN
45179	673	29	circuits	circuit	NNS
45179	673	30	operating	operate	VBG
45179	673	31	under	under	IN
45179	673	32	water	water	NN
45179	673	33	in	in	IN
45179	673	34	a	a	DT
45179	673	35	long	long	JJ
45179	673	36	tank	tank	NN
45179	673	37	.	.	.
45179	674	1	Dr.	Dr.	NNP
45179	674	2	Robinson	Robinson	NNP
45179	674	3	had	have	VBD
45179	674	4	previously	previously	RB
45179	674	5	explained	explain	VBN
45179	674	6	the	the	DT
45179	674	7	principles	principle	NNS
45179	674	8	of	of	IN
45179	674	9	the	the	DT
45179	674	10	closed	closed	JJ
45179	674	11	track	track	NN
45179	674	12	circuit	circuit	NN
45179	674	13	to	to	IN
45179	674	14	Mr.	Mr.	NNP
45179	674	15	Baldwin	Baldwin	NNP
45179	674	16	who	who	WP
45179	674	17	requested	request	VBD
45179	674	18	him	-PRON-	PRP
45179	674	19	to	to	TO
45179	674	20	make	make	VB
45179	674	21	such	such	PDT
45179	674	22	an	an	DT
45179	674	23	installation	installation	NN
45179	674	24	at	at	IN
45179	674	25	Kinzua	Kinzua	NNP
45179	674	26	,	,	,
45179	674	27	Pa.	Pennsylvania	NNP
45179	674	28	,	,	,
45179	674	29	in	in	IN
45179	674	30	place	place	NN
45179	674	31	of	of	IN
45179	674	32	the	the	DT
45179	674	33	open	open	JJ
45179	674	34	wire	wire	NN
45179	674	35	circuit	circuit	NN
45179	674	36	.	.	.
45179	675	1	After	after	IN
45179	675	2	this	this	DT
45179	675	3	was	be	VBD
45179	675	4	in	in	IN
45179	675	5	service	service	NN
45179	675	6	,	,	,
45179	675	7	Mr.	Mr.	NNP
45179	675	8	Baldwin	Baldwin	NNP
45179	675	9	ordered	order	VBD
45179	675	10	another	another	DT
45179	675	11	installation	installation	NN
45179	675	12	to	to	TO
45179	675	13	be	be	VB
45179	675	14	made	make	VBN
45179	675	15	at	at	IN
45179	675	16	Irvineton	Irvineton	NNP
45179	675	17	,	,	,
45179	675	18	Pa.	Pennsylvania	NNP
45179	675	19	,	,	,
45179	675	20	and	and	CC
45179	675	21	because	because	IN
45179	675	22	of	of	IN
45179	675	23	the	the	DT
45179	675	24	good	good	JJ
45179	675	25	service	service	NN
45179	675	26	rendered	render	VBN
45179	675	27	,	,	,
45179	675	28	this	this	DT
45179	675	29	signal	signal	NN
45179	675	30	soon	soon	RB
45179	675	31	came	come	VBD
45179	675	32	to	to	TO
45179	675	33	be	be	VB
45179	675	34	called	call	VBN
45179	675	35	the	the	DT
45179	675	36	"	"	``
45179	675	37	Old	Old	NNP
45179	675	38	Reliable	Reliable	NNP
45179	675	39	"	"	''
45179	675	40	by	by	IN
45179	675	41	the	the	DT
45179	675	42	locomotive	locomotive	JJ
45179	675	43	enginemen	engineman	NNS
45179	675	44	.	.	.
45179	676	1	(	(	-LRB-
45179	676	2	A	a	DT
45179	676	3	picture	picture	NN
45179	676	4	of	of	IN
45179	676	5	this	this	DT
45179	676	6	signal	signal	NN
45179	676	7	appears	appear	VBZ
45179	676	8	in	in	IN
45179	676	9	Part	Part	NNP
45179	676	10	I.	I.	NNP
45179	676	11	)	)	-RRB-
45179	677	1	Old	old	JJ
45179	677	2	Employees	employee	NNS
45179	677	3	Describe	describe	VBP
45179	677	4	First	first	JJ
45179	677	5	Installations	Installations	NNPS
45179	677	6	Through	through	IN
45179	677	7	the	the	DT
45179	677	8	courtesy	courtesy	NN
45179	677	9	of	of	IN
45179	677	10	A.	a.	NN
45179	677	11	J.	J.	NNP
45179	677	12	Whitney	Whitney	NNP
45179	677	13	,	,	,
45179	677	14	general	general	JJ
45179	677	15	superintendent	superintendent	NN
45179	677	16	,	,	,
45179	677	17	Northern	Northern	NNP
45179	677	18	Grand	Grand	NNP
45179	677	19	division	division	NN
45179	677	20	,	,	,
45179	677	21	Central	central	JJ
45179	677	22	region	region	NN
45179	677	23	,	,	,
45179	677	24	Pennsylvania	Pennsylvania	NNP
45179	677	25	System	System	NNP
45179	677	26	,	,	,
45179	677	27	and	and	CC
45179	677	28	A.	A.	NNP
45179	677	29	H.	H.	NNP
45179	677	30	Rudd	Rudd	NNP
45179	677	31	,	,	,
45179	677	32	chief	chief	JJ
45179	677	33	signal	signal	JJ
45179	677	34	engineer	engineer	NN
45179	677	35	of	of	IN
45179	677	36	the	the	DT
45179	677	37	Pennsylvania	Pennsylvania	NNP
45179	677	38	System	System	NNP
45179	677	39	,	,	,
45179	677	40	the	the	DT
45179	677	41	following	follow	VBG
45179	677	42	information	information	NN
45179	677	43	was	be	VBD
45179	677	44	developed	develop	VBN
45179	677	45	from	from	IN
45179	677	46	interviews	interview	NNS
45179	677	47	with	with	IN
45179	677	48	Wm	Wm	NNP
45179	677	49	.	.	.
45179	678	1	Metzger	Metzger	NNP
45179	678	2	,	,	,
45179	678	3	88	88	CD
45179	678	4	years	year	NNS
45179	678	5	old	old	JJ
45179	678	6	,	,	,
45179	678	7	of	of	IN
45179	678	8	Irvineton	Irvineton	NNP
45179	678	9	,	,	,
45179	678	10	Pa.	Pennsylvania	NNP
45179	678	11	,	,	,
45179	678	12	once	once	RB
45179	678	13	an	an	DT
45179	678	14	engineer	engineer	NN
45179	678	15	on	on	IN
45179	678	16	the	the	DT
45179	678	17	Philadelphia	Philadelphia	NNP
45179	678	18	&	&	CC
45179	678	19	Erie	Erie	NNP
45179	678	20	;	;	:
45179	678	21	Associate	Associate	NNP
45179	678	22	Judge	Judge	NNP
45179	678	23	J.	J.	NNP
45179	678	24	W.	W.	NNP
45179	678	25	Hughes	Hughes	NNP
45179	678	26	,	,	,
45179	678	27	of	of	IN
45179	678	28	Warren	Warren	NNP
45179	678	29	,	,	,
45179	678	30	Pa.	Pennsylvania	NNP
45179	678	31	,	,	,
45179	678	32	formerly	formerly	RB
45179	678	33	yard	yard	NN
45179	678	34	master	master	NN
45179	678	35	at	at	IN
45179	678	36	Irvineton	Irvineton	NNP
45179	678	37	;	;	:
45179	678	38	John	John	NNP
45179	678	39	Christie	Christie	NNP
45179	678	40	,	,	,
45179	678	41	car	car	NN
45179	678	42	inspector	inspector	NN
45179	678	43	at	at	IN
45179	678	44	Irvineton	Irvineton	NNP
45179	678	45	,	,	,
45179	678	46	and	and	CC
45179	678	47	J.	J.	NNP
45179	678	48	C.	C.	NNP
45179	678	49	Curtis	Curtis	NNP
45179	678	50	,	,	,
45179	678	51	formerly	formerly	RB
45179	678	52	a	a	DT
45179	678	53	train	train	NN
45179	678	54	dispatcher	dispatcher	NN
45179	678	55	on	on	IN
45179	678	56	the	the	DT
45179	678	57	Renovo	Renovo	NNP
45179	678	58	division	division	NN
45179	678	59	.	.	.
45179	679	1	"	"	``
45179	679	2	About	about	IN
45179	679	3	1872	1872	CD
45179	679	4	,	,	,
45179	679	5	Dr.	Dr.	NNP
45179	679	6	Robinson	Robinson	NNP
45179	679	7	,	,	,
45179	679	8	who	who	WP
45179	679	9	probably	probably	RB
45179	679	10	came	come	VBD
45179	679	11	from	from	IN
45179	679	12	Altoona	Altoona	NNP
45179	679	13	,	,	,
45179	679	14	erected	erect	VBD
45179	679	15	a	a	DT
45179	679	16	signal	signal	NN
45179	679	17	governing	govern	VBG
45179	679	18	westward	westward	JJ
45179	679	19	movements	movement	NNS
45179	679	20	,	,	,
45179	679	21	near	near	IN
45179	679	22	Irvineton	Irvineton	NNP
45179	679	23	.	.	.
45179	680	1	This	this	DT
45179	680	2	signal	signal	NN
45179	680	3	was	be	VBD
45179	680	4	located	locate	VBN
45179	680	5	just	just	RB
45179	680	6	west	west	RB
45179	680	7	of	of	IN
45179	680	8	Irvine	Irvine	NNP
45179	680	9	Run	Run	NNP
45179	680	10	bridge	bridge	NN
45179	680	11	,	,	,
45179	680	12	on	on	IN
45179	680	13	the	the	DT
45179	680	14	north	north	NN
45179	680	15	side	side	NN
45179	680	16	of	of	IN
45179	680	17	the	the	DT
45179	680	18	main	main	JJ
45179	680	19	track	track	NN
45179	680	20	(	(	-LRB-
45179	680	21	this	this	DT
45179	680	22	track	track	NN
45179	680	23	is	be	VBZ
45179	680	24	now	now	RB
45179	680	25	an	an	DT
45179	680	26	eastward	eastward	JJ
45179	680	27	track	track	NN
45179	680	28	)	)	-RRB-
45179	680	29	,	,	,
45179	680	30	in	in	IN
45179	680	31	a	a	DT
45179	680	32	small	small	JJ
45179	680	33	frame	frame	NN
45179	680	34	building	building	NN
45179	680	35	adjacent	adjacent	JJ
45179	680	36	to	to	IN
45179	680	37	the	the	DT
45179	680	38	track	track	NN
45179	680	39	and	and	CC
45179	680	40	was	be	VBD
45179	680	41	electrically	electrically	RB
45179	680	42	operated	operate	VBN
45179	680	43	back	back	RB
45179	680	44	of	of	IN
45179	680	45	a	a	DT
45179	680	46	circular	circular	JJ
45179	680	47	opening	opening	NN
45179	680	48	about	about	RB
45179	680	49	two	two	CD
45179	680	50	feet	foot	NNS
45179	680	51	in	in	IN
45179	680	52	diameter	diameter	NN
45179	680	53	,	,	,
45179	680	54	by	by	IN
45179	680	55	display	display	NN
45179	680	56	of	of	IN
45179	680	57	a	a	DT
45179	680	58	red	red	JJ
45179	680	59	flag	flag	NN
45179	680	60	during	during	IN
45179	680	61	the	the	DT
45179	680	62	day	day	NN
45179	680	63	and	and	CC
45179	680	64	a	a	DT
45179	680	65	light	light	NN
45179	680	66	in	in	IN
45179	680	67	the	the	DT
45179	680	68	rear	rear	NN
45179	680	69	of	of	IN
45179	680	70	the	the	DT
45179	680	71	flag	flag	NN
45179	680	72	by	by	IN
45179	680	73	night	night	NN
45179	680	74	.	.	.
45179	681	1	A	a	DT
45179	681	2	bell	bell	NN
45179	681	3	was	be	VBD
45179	681	4	also	also	RB
45179	681	5	located	locate	VBN
45179	681	6	in	in	IN
45179	681	7	the	the	DT
45179	681	8	signal	signal	NN
45179	681	9	shanty	shanty	NN
45179	681	10	and	and	CC
45179	681	11	another	another	DT
45179	681	12	bell	bell	NN
45179	681	13	in	in	IN
45179	681	14	the	the	DT
45179	681	15	telegraph	telegraph	NNP
45179	681	16	office	office	NNP
45179	681	17	of	of	IN
45179	681	18	the	the	DT
45179	681	19	station	station	NN
45179	681	20	,	,	,
45179	681	21	located	locate	VBN
45179	681	22	at	at	IN
45179	681	23	the	the	DT
45179	681	24	junction	junction	NN
45179	681	25	of	of	IN
45179	681	26	the	the	DT
45179	681	27	two	two	CD
45179	681	28	railroads	railroad	NNS
45179	681	29	(	(	-LRB-
45179	681	30	see	see	VB
45179	681	31	sketch	sketch	NNP
45179	681	32	)	)	-RRB-
45179	681	33	.	.	.
45179	682	1	A	a	DT
45179	682	2	trip	trip	NN
45179	682	3	device	device	NN
45179	682	4	,	,	,
45179	682	5	operated	operate	VBN
45179	682	6	by	by	IN
45179	682	7	the	the	DT
45179	682	8	wheel	wheel	NN
45179	682	9	flange	flange	NN
45179	682	10	,	,	,
45179	682	11	forced	force	VBD
45179	682	12	contact	contact	NN
45179	682	13	with	with	IN
45179	682	14	wires	wire	NNS
45179	682	15	carried	carry	VBN
45179	682	16	on	on	IN
45179	682	17	the	the	DT
45179	682	18	telegraph	telegraph	NN
45179	682	19	poles	pole	NNS
45179	682	20	and	and	CC
45179	682	21	operated	operate	VBD
45179	682	22	the	the	DT
45179	682	23	signal	signal	NNP
45179	682	24	and	and	CC
45179	682	25	bell	bell	NNP
45179	682	26	in	in	IN
45179	682	27	the	the	DT
45179	682	28	signal	signal	JJ
45179	682	29	shanty	shanty	NN
45179	682	30	as	as	RB
45179	682	31	well	well	RB
45179	682	32	as	as	IN
45179	682	33	bell	bell	NN
45179	682	34	in	in	IN
45179	682	35	the	the	DT
45179	682	36	telegraph	telegraph	NNP
45179	682	37	office	office	NN
45179	682	38	.	.	.
45179	683	1	The	the	DT
45179	683	2	signal	signal	NN
45179	683	3	was	be	VBD
45179	683	4	known	know	VBN
45179	683	5	as	as	IN
45179	683	6	the	the	DT
45179	683	7	"	"	``
45179	683	8	Old	Old	NNP
45179	683	9	Reliable	Reliable	NNP
45179	683	10	"	"	''
45179	683	11	and	and	CC
45179	683	12	the	the	DT
45179	683	13	words	word	NNS
45179	683	14	"	"	``
45179	683	15	Dr.	Dr.	NNP
45179	683	16	Robinson	Robinson	NNP
45179	683	17	's	's	POS
45179	683	18	Patent	Patent	NNP
45179	683	19	"	"	''
45179	683	20	were	be	VBD
45179	683	21	painted	paint	VBN
45179	683	22	around	around	IN
45179	683	23	the	the	DT
45179	683	24	circular	circular	JJ
45179	683	25	opening	opening	NN
45179	683	26	.	.	.
45179	684	1	"	"	``
45179	684	2	Another	another	DT
45179	684	3	pair	pair	NN
45179	684	4	of	of	IN
45179	684	5	signals	signal	NNS
45179	684	6	was	be	VBD
45179	684	7	installed	instal	VBN
45179	684	8	by	by	IN
45179	684	9	Dr.	Dr.	NNP
45179	684	10	Robinson	Robinson	NNP
45179	684	11	at	at	IN
45179	684	12	Kinzua	Kinzua	NNP
45179	684	13	,	,	,
45179	684	14	now	now	RB
45179	684	15	Ludlow	Ludlow	NNP
45179	684	16	,	,	,
45179	684	17	for	for	IN
45179	684	18	protection	protection	NN
45179	684	19	of	of	IN
45179	684	20	trains	train	NNS
45179	684	21	stopping	stop	VBG
45179	684	22	at	at	IN
45179	684	23	Kinzua	Kinzua	NNP
45179	684	24	(	(	-LRB-
45179	684	25	Ludlow	Ludlow	NNP
45179	684	26	)	)	-RRB-
45179	684	27	station	station	NN
45179	684	28	.	.	.
45179	685	1	These	these	DT
45179	685	2	signals	signal	NNS
45179	685	3	were	be	VBD
45179	685	4	operated	operate	VBN
45179	685	5	by	by	IN
45179	685	6	overhead	overhead	JJ
45179	685	7	wires	wire	NNS
45179	685	8	as	as	IN
45179	685	9	at	at	IN
45179	685	10	Irvineton	Irvineton	NNP
45179	685	11	.	.	.
45179	686	1	When	when	WRB
45179	686	2	a	a	DT
45179	686	3	train	train	NN
45179	686	4	was	be	VBD
45179	686	5	opposite	opposite	IN
45179	686	6	one	one	CD
45179	686	7	of	of	IN
45179	686	8	the	the	DT
45179	686	9	signals	signal	NNS
45179	686	10	,	,	,
45179	686	11	it	-PRON-	PRP
45179	686	12	set	set	VBD
45179	686	13	both	both	DT
45179	686	14	signals	signal	NNS
45179	686	15	to	to	IN
45179	686	16	red	red	JJ
45179	686	17	indication	indication	NN
45179	686	18	by	by	IN
45179	686	19	operating	operate	VBG
45179	686	20	a	a	DT
45179	686	21	red	red	JJ
45179	686	22	flag	flag	NN
45179	686	23	within	within	IN
45179	686	24	a	a	DT
45179	686	25	circular	circular	JJ
45179	686	26	opening	opening	NN
45179	686	27	in	in	IN
45179	686	28	the	the	DT
45179	686	29	daytime	daytime	NN
45179	686	30	and	and	CC
45179	686	31	a	a	DT
45179	686	32	light	light	NN
45179	686	33	in	in	IN
45179	686	34	the	the	DT
45179	686	35	rear	rear	NN
45179	686	36	of	of	IN
45179	686	37	the	the	DT
45179	686	38	flag	flag	NN
45179	686	39	at	at	IN
45179	686	40	night	night	NN
45179	686	41	.	.	.
45179	687	1	A	a	DT
45179	687	2	loud	loud	JJ
45179	687	3	gong	gong	NN
45179	687	4	was	be	VBD
45179	687	5	also	also	RB
45179	687	6	installed	instal	VBN
45179	687	7	in	in	IN
45179	687	8	each	each	DT
45179	687	9	shanty	shanty	NN
45179	687	10	which	which	WDT
45179	687	11	rang	ring	VBD
45179	687	12	coincident	coincident	NN
45179	687	13	with	with	IN
45179	687	14	the	the	DT
45179	687	15	signal	signal	NN
45179	687	16	going	go	VBG
45179	687	17	to	to	IN
45179	687	18	the	the	DT
45179	687	19	red	red	JJ
45179	687	20	indication	indication	NN
45179	687	21	.	.	.
45179	688	1	When	when	WRB
45179	688	2	the	the	DT
45179	688	3	rear	rear	NN
45179	688	4	of	of	IN
45179	688	5	the	the	DT
45179	688	6	train	train	NN
45179	688	7	passed	pass	VBD
45179	688	8	the	the	DT
45179	688	9	signal	signal	NN
45179	688	10	in	in	IN
45179	688	11	advance	advance	NN
45179	688	12	both	both	DT
45179	688	13	signals	signal	NNS
45179	688	14	returned	return	VBD
45179	688	15	to	to	IN
45179	688	16	clear	clear	JJ
45179	688	17	and	and	CC
45179	688	18	the	the	DT
45179	688	19	bells	bell	NNS
45179	688	20	stopped	stop	VBD
45179	688	21	ringing	ring	VBG
45179	688	22	.	.	.
45179	689	1	This	this	DT
45179	689	2	system	system	NN
45179	689	3	was	be	VBD
45179	689	4	operated	operate	VBN
45179	689	5	with	with	IN
45179	689	6	batteries	battery	NNS
45179	689	7	and	and	CC
45179	689	8	was	be	VBD
45179	689	9	removed	remove	VBN
45179	689	10	in	in	IN
45179	689	11	less	less	JJR
45179	689	12	than	than	IN
45179	689	13	a	a	DT
45179	689	14	year	year	NN
45179	689	15	on	on	IN
45179	689	16	account	account	NN
45179	689	17	of	of	IN
45179	689	18	the	the	DT
45179	689	19	difficulty	difficulty	NN
45179	689	20	of	of	IN
45179	689	21	maintaining	maintain	VBG
45179	689	22	the	the	DT
45179	689	23	batteries	battery	NNS
45179	689	24	.	.	.
45179	689	25	"	"	''
45179	690	1	Biographical	Biographical	NNP
45179	690	2	Sketch	Sketch	NNP
45179	690	3	of	of	IN
45179	690	4	W.	W.	NNP
45179	690	5	A.	a.	NN
45179	690	6	Baldwin	Baldwin	NNP
45179	690	7	The	the	DT
45179	690	8	biographical	biographical	JJ
45179	690	9	sketch	sketch	NN
45179	690	10	of	of	IN
45179	690	11	Mr.	Mr.	NNP
45179	690	12	Baldwin	Baldwin	NNP
45179	690	13	,	,	,
45179	690	14	as	as	IN
45179	690	15	given	give	VBN
45179	690	16	below	below	RB
45179	690	17	is	be	VBZ
45179	690	18	taken	take	VBN
45179	690	19	from	from	IN
45179	690	20	the	the	DT
45179	690	21	Biographical	Biographical	NNP
45179	690	22	Directory	Directory	NNP
45179	690	23	of	of	IN
45179	690	24	the	the	DT
45179	690	25	Railway	Railway	NNP
45179	690	26	Officials	Officials	NNPS
45179	690	27	of	of	IN
45179	690	28	America	America	NNP
45179	690	29	--	--	:
45179	690	30	Edition	Edition	NNP
45179	690	31	of	of	IN
45179	690	32	1906	1906	CD
45179	690	33	.	.	.
45179	691	1	BALDWIN	BALDWIN	NNP
45179	691	2	,	,	,
45179	691	3	WILLIAM	WILLIAM	NNP
45179	691	4	ASHBRIDGE	ASHBRIDGE	NNP
45179	691	5	,	,	,
45179	691	6	president	president	NN
45179	691	7	,	,	,
45179	691	8	Cleveland	Cleveland	NNP
45179	691	9	&	&	CC
45179	691	10	Marietta	Marietta	NNP
45179	691	11	Ry	Ry	NNP
45179	691	12	.	.	.
45179	692	1	Office	Office	NNP
45179	692	2	,	,	,
45179	692	3	Pittsburgh	Pittsburgh	NNP
45179	692	4	,	,	,
45179	692	5	Pa.	Pennsylvania	NNP
45179	692	6	Born	Born	NNP
45179	692	7	June	June	NNP
45179	692	8	28	28	CD
45179	692	9	,	,	,
45179	692	10	1835	1835	CD
45179	692	11	,	,	,
45179	692	12	at	at	IN
45179	692	13	Philadelphia	Philadelphia	NNP
45179	692	14	,	,	,
45179	692	15	Pa.	Pennsylvania	NNP
45179	693	1	Entered	entered	JJ
45179	693	2	railway	railway	NN
45179	693	3	service	service	NN
45179	693	4	November	November	NNP
45179	693	5	,	,	,
45179	693	6	1851	1851	CD
45179	693	7	,	,	,
45179	693	8	as	as	IN
45179	693	9	chainman	chainman	NNP
45179	693	10	,	,	,
45179	693	11	engineer	engineer	NN
45179	693	12	corps	corps	NNP
45179	693	13	,	,	,
45179	693	14	Coal	Coal	NNP
45179	693	15	Run	Run	NNP
45179	693	16	Road	Road	NNP
45179	693	17	,	,	,
45179	693	18	in	in	IN
45179	693	19	Schuylkill	Schuylkill	NNP
45179	693	20	county	county	NN
45179	693	21	,	,	,
45179	693	22	Pennsylvania	Pennsylvania	NNP
45179	693	23	,	,	,
45179	693	24	since	since	IN
45179	693	25	which	which	WDT
45179	693	26	he	-PRON-	PRP
45179	693	27	has	have	VBZ
45179	693	28	been	be	VBN
45179	693	29	consecutively	consecutively	RB
45179	693	30	,	,	,
45179	693	31	March	March	NNP
45179	693	32	,	,	,
45179	693	33	1852	1852	CD
45179	693	34	to	to	IN
45179	693	35	1854	1854	CD
45179	693	36	,	,	,
45179	693	37	assistant	assistant	JJ
45179	693	38	engineer	engineer	NN
45179	693	39	on	on	IN
45179	693	40	the	the	DT
45179	693	41	same	same	JJ
45179	693	42	road	road	NN
45179	693	43	;	;	:
45179	693	44	1854	1854	CD
45179	693	45	to	to	IN
45179	693	46	March	March	NNP
45179	693	47	,	,	,
45179	693	48	1857	1857	CD
45179	693	49	,	,	,
45179	693	50	leveler	leveler	NN
45179	693	51	and	and	CC
45179	693	52	topographer	topographer	DT
45179	693	53	,	,	,
45179	693	54	Lackawanna	Lackawanna	NNP
45179	693	55	&	&	CC
45179	693	56	Bloomsburg	Bloomsburg	NNP
45179	693	57	Road	Road	NNP
45179	693	58	;	;	:
45179	693	59	March	March	NNP
45179	693	60	,	,	,
45179	693	61	1857	1857	CD
45179	693	62	,	,	,
45179	693	63	to	to	IN
45179	693	64	December	December	NNP
45179	693	65	,	,	,
45179	693	66	1858	1858	CD
45179	693	67	,	,	,
45179	693	68	assistant	assistant	NN
45179	693	69	engineer	engineer	NN
45179	693	70	,	,	,
45179	693	71	leveler	leveler	NN
45179	693	72	and	and	CC
45179	693	73	topographer	topographer	NN
45179	693	74	,	,	,
45179	693	75	Honduras	Honduras	NNP
45179	693	76	Inter	Inter	NNP
45179	693	77	-	-	HYPH
45179	693	78	Oceanic	Oceanic	NNP
45179	693	79	Road	Road	NNP
45179	693	80	,	,	,
45179	693	81	at	at	IN
45179	693	82	Honduras	Honduras	NNP
45179	693	83	,	,	,
45179	693	84	Central	Central	NNP
45179	693	85	America	America	NNP
45179	693	86	;	;	:
45179	693	87	December	December	NNP
45179	693	88	,	,	,
45179	693	89	1858	1858	CD
45179	693	90	,	,	,
45179	693	91	to	to	IN
45179	693	92	November	November	NNP
45179	693	93	,	,	,
45179	693	94	1859	1859	CD
45179	693	95	,	,	,
45179	693	96	clerk	clerk	NN
45179	693	97	to	to	TO
45179	693	98	superintendent	superintendent	VB
45179	693	99	,	,	,
45179	693	100	Western	western	JJ
45179	693	101	division	division	NN
45179	693	102	,	,	,
45179	693	103	Pennsylvania	Pennsylvania	NNP
45179	693	104	;	;	:
45179	693	105	January	January	NNP
45179	693	106	,	,	,
45179	693	107	1860	1860	CD
45179	693	108	,	,	,
45179	693	109	to	to	IN
45179	693	110	February	February	NNP
45179	693	111	,	,	,
45179	693	112	1862	1862	CD
45179	693	113	,	,	,
45179	693	114	assistant	assistant	NN
45179	693	115	engineer	engineer	NN
45179	693	116	,	,	,
45179	693	117	Pennsylvania	Pennsylvania	NNP
45179	693	118	;	;	:
45179	693	119	February	February	NNP
45179	693	120	7	7	CD
45179	693	121	,	,	,
45179	693	122	1862	1862	CD
45179	693	123	,	,	,
45179	693	124	to	to	IN
45179	693	125	March	March	NNP
45179	693	126	13	13	CD
45179	693	127	,	,	,
45179	693	128	1868	1868	CD
45179	693	129	,	,	,
45179	693	130	superintendent	superintendent	NN
45179	693	131	,	,	,
45179	693	132	Western	western	JJ
45179	693	133	division	division	NN
45179	693	134	,	,	,
45179	693	135	Philadelphia	Philadelphia	NNP
45179	693	136	&	&	CC
45179	693	137	Erie	Erie	NNP
45179	693	138	(	(	-LRB-
45179	693	139	Pennsylvania	Pennsylvania	NNP
45179	693	140	,	,	,
45179	693	141	lessee	lessee	NN
45179	693	142	)	)	-RRB-
45179	693	143	;	;	:
45179	693	144	March	March	NNP
45179	693	145	13	13	CD
45179	693	146	,	,	,
45179	693	147	1868	1868	CD
45179	693	148	,	,	,
45179	693	149	to	to	IN
45179	693	150	May	May	NNP
45179	693	151	7	7	CD
45179	693	152	,	,	,
45179	693	153	1870	1870	CD
45179	693	154	,	,	,
45179	693	155	assistant	assistant	JJ
45179	693	156	general	general	JJ
45179	693	157	superintendent	superintendent	NN
45179	693	158	,	,	,
45179	693	159	same	same	JJ
45179	693	160	road	road	NN
45179	693	161	;	;	:
45179	693	162	May	May	NNP
45179	693	163	7	7	CD
45179	693	164	,	,	,
45179	693	165	1870	1870	CD
45179	693	166	,	,	,
45179	693	167	to	to	IN
45179	693	168	October	October	NNP
45179	693	169	1	1	CD
45179	693	170	,	,	,
45179	693	171	1873	1873	CD
45179	693	172	,	,	,
45179	693	173	general	general	JJ
45179	693	174	superintendent	superintendent	NN
45179	693	175	,	,	,
45179	693	176	Philadelphia	Philadelphia	NNP
45179	693	177	&	&	CC
45179	693	178	Erie	Erie	NNP
45179	693	179	division	division	NN
45179	693	180	,	,	,
45179	693	181	Pennsylvania	Pennsylvania	NNP
45179	693	182	;	;	:
45179	693	183	October	October	NNP
45179	693	184	1	1	CD
45179	693	185	,	,	,
45179	693	186	1873	1873	CD
45179	693	187	,	,	,
45179	693	188	to	to	IN
45179	693	189	September	September	NNP
45179	693	190	1	1	CD
45179	693	191	,	,	,
45179	693	192	1881	1881	CD
45179	693	193	,	,	,
45179	693	194	general	general	JJ
45179	693	195	superintendent	superintendent	NN
45179	693	196	,	,	,
45179	693	197	same	same	JJ
45179	693	198	division	division	NN
45179	693	199	,	,	,
45179	693	200	same	same	JJ
45179	693	201	road	road	NN
45179	693	202	,	,	,
45179	693	203	and	and	CC
45179	693	204	S.	S.	NNP
45179	693	205	&	&	CC
45179	693	206	S.	S.	NNP
45179	693	207	divisions	division	NNS
45179	693	208	,	,	,
45179	693	209	Northern	Northern	NNP
45179	693	210	Central	Central	NNP
45179	693	211	Ry	Ry	NNP
45179	693	212	.	.	.
45179	694	1	;	;	:
45179	694	2	September	September	NNP
45179	694	3	1	1	CD
45179	694	4	,	,	,
45179	694	5	1881	1881	CD
45179	694	6	,	,	,
45179	694	7	to	to	IN
45179	694	8	May	May	NNP
45179	694	9	1	1	CD
45179	694	10	,	,	,
45179	694	11	1882	1882	CD
45179	694	12	,	,	,
45179	694	13	manager	manager	NN
45179	694	14	,	,	,
45179	694	15	Pennsylvania	Pennsylvania	NNP
45179	694	16	Co.	Co.	NNP
45179	694	17	,	,	,
45179	694	18	and	and	CC
45179	694	19	Pittsburgh	Pittsburgh	NNP
45179	694	20	,	,	,
45179	694	21	Cincinnati	Cincinnati	NNP
45179	694	22	&	&	CC
45179	694	23	St.	St.	NNP
45179	694	24	Louis	Louis	NNP
45179	694	25	Railway	Railway	NNP
45179	694	26	Lines	line	NNS
45179	694	27	;	;	:
45179	694	28	May	May	NNP
45179	694	29	1	1	CD
45179	694	30	,	,	,
45179	694	31	1882	1882	CD
45179	694	32	,	,	,
45179	694	33	to	to	IN
45179	694	34	March	March	NNP
45179	694	35	31	31	CD
45179	694	36	,	,	,
45179	694	37	1888	1888	CD
45179	694	38	,	,	,
45179	694	39	manager	manager	NN
45179	694	40	,	,	,
45179	694	41	Pennsylvania	Pennsylvania	NNP
45179	694	42	Co.	Co.	NNP
45179	694	43	's	's	POS
45179	694	44	lines	line	NNS
45179	694	45	;	;	:
45179	694	46	April	April	NNP
45179	694	47	1	1	CD
45179	694	48	,	,	,
45179	694	49	1888	1888	CD
45179	694	50	,	,	,
45179	694	51	to	to	IN
45179	694	52	April	April	NNP
45179	694	53	,	,	,
45179	694	54	1892	1892	CD
45179	694	55	,	,	,
45179	694	56	vice	vice	NN
45179	694	57	-	-	HYPH
45179	694	58	president	president	NN
45179	694	59	and	and	CC
45179	694	60	general	general	JJ
45179	694	61	manager	manager	NN
45179	694	62	,	,	,
45179	694	63	Buffalo	Buffalo	NNP
45179	694	64	,	,	,
45179	694	65	Rochester	Rochester	NNP
45179	694	66	&	&	CC
45179	694	67	Pittsburgh	Pittsburgh	NNP
45179	694	68	;	;	:
45179	694	69	November	November	NNP
45179	694	70	,	,	,
45179	694	71	1893	1893	CD
45179	694	72	,	,	,
45179	694	73	to	to	IN
45179	694	74	date	date	NN
45179	694	75	,	,	,
45179	694	76	president	president	NN
45179	694	77	,	,	,
45179	694	78	Cleveland	Cleveland	NNP
45179	694	79	&	&	CC
45179	694	80	Marietta	Marietta	NNP
45179	694	81	Ry	Ry	NNP
45179	694	82	.	.	.
45179	695	1	;	;	:
45179	695	2	November	November	NNP
45179	695	3	,	,	,
45179	695	4	1893	1893	CD
45179	695	5	,	,	,
45179	695	6	to	to	IN
45179	695	7	December	December	NNP
45179	695	8	31	31	CD
45179	695	9	,	,	,
45179	695	10	1899	1899	CD
45179	695	11	,	,	,
45179	695	12	also	also	RB
45179	695	13	general	general	JJ
45179	695	14	manager	manager	NN
45179	695	15	same	same	JJ
45179	695	16	road	road	NN
45179	695	17	.	.	.
45179	696	1	Retired	retire	VBN
45179	696	2	from	from	IN
45179	696	3	that	that	DT
45179	696	4	road	road	NN
45179	696	5	on	on	IN
45179	696	6	April	April	NNP
45179	696	7	30	30	CD
45179	696	8	,	,	,
45179	696	9	1906	1906	CD
45179	696	10	,	,	,
45179	696	11	at	at	IN
45179	696	12	the	the	DT
45179	696	13	age	age	NN
45179	696	14	of	of	IN
45179	696	15	70	70	CD
45179	696	16	years	year	NNS
45179	696	17	,	,	,
45179	696	18	under	under	IN
45179	696	19	the	the	DT
45179	696	20	pension	pension	NN
45179	696	21	rules	rule	NNS
45179	696	22	of	of	IN
45179	696	23	the	the	DT
45179	696	24	Pennsylvania	Pennsylvania	NNP
45179	696	25	Lines	Lines	NNPS
45179	696	26	West	West	NNP
45179	696	27	of	of	IN
45179	696	28	Pittsburgh	Pittsburgh	NNP
45179	696	29	,	,	,
45179	696	30	of	of	IN
45179	696	31	which	which	WDT
45179	696	32	the	the	DT
45179	696	33	Cleveland	Cleveland	NNP
45179	696	34	&	&	CC
45179	696	35	Marietta	Marietta	NNP
45179	696	36	was	be	VBD
45179	696	37	a	a	DT
45179	696	38	part	part	NN
45179	696	39	.	.	.
45179	697	1	Mr.	Mr.	NNP
45179	697	2	Baldwin	Baldwin	NNP
45179	697	3	died	die	VBD
45179	697	4	on	on	IN
45179	697	5	February	February	NNP
45179	697	6	17	17	CD
45179	697	7	,	,	,
45179	697	8	1911	1911	CD
45179	697	9	,	,	,
45179	697	10	at	at	IN
45179	697	11	Sewickley	Sewickley	NNP
45179	697	12	,	,	,
45179	697	13	Pa.	Pennsylvania	NNP
45179	697	14	,	,	,
45179	697	15	at	at	IN
45179	697	16	the	the	DT
45179	697	17	age	age	NN
45179	697	18	of	of	IN
45179	697	19	75	75	CD
45179	697	20	.	.	.
45179	698	1	His	-PRON-	PRP$
45179	698	2	obituary	obituary	NN
45179	698	3	,	,	,
45179	698	4	as	as	IN
45179	698	5	appearing	appear	VBG
45179	698	6	in	in	IN
45179	698	7	the	the	DT
45179	698	8	_	_	NNP
45179	698	9	Railway	Railway	NNP
45179	698	10	Age	Age	NNP
45179	698	11	_	_	NNP
45179	698	12	for	for	IN
45179	698	13	February	February	NNP
45179	698	14	24	24	CD
45179	698	15	,	,	,
45179	698	16	1911	1911	CD
45179	698	17	,	,	,
45179	698	18	appears	appear	VBZ
45179	698	19	below	below	RB
45179	698	20	.	.	.
45179	699	1	"	"	``
45179	699	2	WILLIAM	WILLIAM	NNP
45179	699	3	ASHBRIDGE	ASHBRIDGE	NNP
45179	699	4	BALDWIN	BALDWIN	NNP
45179	699	5	,	,	,
45179	699	6	former	former	JJ
45179	699	7	president	president	NN
45179	699	8	of	of	IN
45179	699	9	the	the	DT
45179	699	10	Cleveland	Cleveland	NNP
45179	699	11	&	&	CC
45179	699	12	Marietta	Marietta	NNP
45179	699	13	,	,	,
45179	699	14	which	which	WDT
45179	699	15	is	be	VBZ
45179	699	16	now	now	RB
45179	699	17	a	a	DT
45179	699	18	part	part	NN
45179	699	19	of	of	IN
45179	699	20	the	the	DT
45179	699	21	Pennsylvania	Pennsylvania	NNP
45179	699	22	System	System	NNP
45179	699	23	,	,	,
45179	699	24	died	die	VBD
45179	699	25	in	in	IN
45179	699	26	Sewickley	Sewickley	NNP
45179	699	27	,	,	,
45179	699	28	Pa.	Pennsylvania	NNP
45179	699	29	,	,	,
45179	699	30	February	February	NNP
45179	699	31	17	17	CD
45179	699	32	.	.	.
45179	700	1	Mr.	Mr.	NNP
45179	700	2	Baldwin	Baldwin	NNP
45179	700	3	was	be	VBD
45179	700	4	born	bear	VBN
45179	700	5	on	on	IN
45179	700	6	June	June	NNP
45179	700	7	28	28	CD
45179	700	8	,	,	,
45179	700	9	1835	1835	CD
45179	700	10	,	,	,
45179	700	11	at	at	IN
45179	700	12	Philadelphia	Philadelphia	NNP
45179	700	13	,	,	,
45179	700	14	and	and	CC
45179	700	15	began	begin	VBD
45179	700	16	railway	railway	NN
45179	700	17	work	work	NN
45179	700	18	in	in	IN
45179	700	19	November	November	NNP
45179	700	20	,	,	,
45179	700	21	1851	1851	CD
45179	700	22	,	,	,
45179	700	23	with	with	IN
45179	700	24	a	a	DT
45179	700	25	party	party	NN
45179	700	26	of	of	IN
45179	700	27	engineers	engineer	NNS
45179	700	28	making	make	VBG
45179	700	29	surveys	survey	NNS
45179	700	30	in	in	IN
45179	700	31	Schuylkill	Schuylkill	NNP
45179	700	32	County	County	NNP
45179	700	33	,	,	,
45179	700	34	Pa.	Pennsylvania	NNP
45179	701	1	In	in	IN
45179	701	2	March	March	NNP
45179	701	3	,	,	,
45179	701	4	1857	1857	CD
45179	701	5	,	,	,
45179	701	6	he	-PRON-	PRP
45179	701	7	went	go	VBD
45179	701	8	to	to	IN
45179	701	9	Honduras	Honduras	NNP
45179	701	10	,	,	,
45179	701	11	Central	Central	NNP
45179	701	12	America	America	NNP
45179	701	13	,	,	,
45179	701	14	as	as	IN
45179	701	15	assistant	assistant	JJ
45179	701	16	engineer	engineer	NN
45179	701	17	,	,	,
45179	701	18	leveler	leveler	NN
45179	701	19	and	and	CC
45179	701	20	topographer	topographer	NN
45179	701	21	on	on	IN
45179	701	22	the	the	DT
45179	701	23	Honduras	Honduras	NNP
45179	701	24	Inter	Inter	NNP
45179	701	25	-	-	HYPH
45179	701	26	Oceanic	Oceanic	NNP
45179	701	27	Railway	Railway	NNP
45179	701	28	.	.	.
45179	702	1	In	in	IN
45179	702	2	December	December	NNP
45179	702	3	of	of	IN
45179	702	4	the	the	DT
45179	702	5	following	following	JJ
45179	702	6	year	year	NN
45179	702	7	he	-PRON-	PRP
45179	702	8	returned	return	VBD
45179	702	9	to	to	IN
45179	702	10	this	this	DT
45179	702	11	country	country	NN
45179	702	12	and	and	CC
45179	702	13	entered	enter	VBD
45179	702	14	the	the	DT
45179	702	15	employ	employ	NN
45179	702	16	of	of	IN
45179	702	17	the	the	DT
45179	702	18	Pennsylvania	Pennsylvania	NNP
45179	702	19	Railroad	Railroad	NNP
45179	702	20	.	.	.
45179	703	1	In	in	IN
45179	703	2	1862	1862	CD
45179	703	3	he	-PRON-	PRP
45179	703	4	was	be	VBD
45179	703	5	appointed	appoint	VBN
45179	703	6	superintendent	superintendent	NN
45179	703	7	of	of	IN
45179	703	8	the	the	DT
45179	703	9	Western	western	JJ
45179	703	10	division	division	NN
45179	703	11	of	of	IN
45179	703	12	the	the	DT
45179	703	13	Philadelphia	Philadelphia	NNP
45179	703	14	&	&	CC
45179	703	15	Erie	Erie	NNP
45179	703	16	.	.	.
45179	704	1	By	by	IN
45179	704	2	May	May	NNP
45179	704	3	,	,	,
45179	704	4	1870	1870	CD
45179	704	5	,	,	,
45179	704	6	he	-PRON-	PRP
45179	704	7	had	have	VBD
45179	704	8	become	become	VBN
45179	704	9	general	general	JJ
45179	704	10	superintendent	superintendent	NN
45179	704	11	of	of	IN
45179	704	12	the	the	DT
45179	704	13	Philadelphia	Philadelphia	NNP
45179	704	14	&	&	CC
45179	704	15	Erie	Erie	NNP
45179	704	16	division	division	NN
45179	704	17	,	,	,
45179	704	18	and	and	CC
45179	704	19	in	in	IN
45179	704	20	September	September	NNP
45179	704	21	,	,	,
45179	704	22	1881	1881	CD
45179	704	23	he	-PRON-	PRP
45179	704	24	was	be	VBD
45179	704	25	appointed	appoint	VBN
45179	704	26	manager	manager	NN
45179	704	27	of	of	IN
45179	704	28	the	the	DT
45179	704	29	Pennsylvania	Pennsylvania	NNP
45179	704	30	Lines	Lines	NNPS
45179	704	31	West	West	NNP
45179	704	32	of	of	IN
45179	704	33	Pittsburgh	Pittsburgh	NNP
45179	704	34	.	.	.
45179	705	1	In	in	IN
45179	705	2	1888	1888	CD
45179	705	3	he	-PRON-	PRP
45179	705	4	went	go	VBD
45179	705	5	to	to	IN
45179	705	6	Buffalo	Buffalo	NNP
45179	705	7	,	,	,
45179	705	8	Rochester	Rochester	NNP
45179	705	9	&	&	CC
45179	705	10	Pittsburgh	Pittsburgh	NNP
45179	705	11	as	as	IN
45179	705	12	vice	vice	NN
45179	705	13	-	-	HYPH
45179	705	14	president	president	NN
45179	705	15	and	and	CC
45179	705	16	general	general	JJ
45179	705	17	manager	manager	NN
45179	705	18	,	,	,
45179	705	19	but	but	CC
45179	705	20	five	five	CD
45179	705	21	years	year	NNS
45179	705	22	later	later	RBR
45179	705	23	he	-PRON-	PRP
45179	705	24	returned	return	VBD
45179	705	25	to	to	IN
45179	705	26	the	the	DT
45179	705	27	Pennsylvania	Pennsylvania	NNP
45179	705	28	System	System	NNP
45179	705	29	and	and	CC
45179	705	30	was	be	VBD
45179	705	31	made	make	VBN
45179	705	32	president	president	NN
45179	705	33	of	of	IN
45179	705	34	the	the	DT
45179	705	35	Cleveland	Cleveland	NNP
45179	705	36	&	&	CC
45179	705	37	Marietta	Marietta	NNP
45179	705	38	.	.	.
45179	705	39	"	"	''
45179	706	1	Part	part	NN
45179	706	2	III	III	NNP
45179	706	3	THE	the	DT
45179	706	4	TRACK	track	NN
45179	706	5	CIRCUIT	circuit	NN
45179	706	6	"	"	``
45179	706	7	Perhaps	perhaps	RB
45179	706	8	no	no	DT
45179	706	9	single	single	JJ
45179	706	10	invention	invention	NN
45179	706	11	in	in	IN
45179	706	12	the	the	DT
45179	706	13	history	history	NN
45179	706	14	of	of	IN
45179	706	15	the	the	DT
45179	706	16	development	development	NN
45179	706	17	of	of	IN
45179	706	18	railway	railway	NN
45179	706	19	transportation	transportation	NN
45179	706	20	has	have	VBZ
45179	706	21	contributed	contribute	VBN
45179	706	22	more	more	RBR
45179	706	23	towards	towards	IN
45179	706	24	safety	safety	NN
45179	706	25	and	and	CC
45179	706	26	despatch	despatch	NN
45179	706	27	in	in	IN
45179	706	28	that	that	DT
45179	706	29	field	field	NN
45179	706	30	than	than	IN
45179	706	31	the	the	DT
45179	706	32	track	track	NN
45179	706	33	circuit	circuit	NN
45179	706	34	.	.	.
45179	707	1	By	by	IN
45179	707	2	this	this	DT
45179	707	3	invention	invention	NN
45179	707	4	,	,	,
45179	707	5	simple	simple	JJ
45179	707	6	in	in	IN
45179	707	7	itself	-PRON-	PRP
45179	707	8	,	,	,
45179	707	9	the	the	DT
45179	707	10	foundation	foundation	NN
45179	707	11	was	be	VBD
45179	707	12	obtained	obtain	VBN
45179	707	13	for	for	IN
45179	707	14	the	the	DT
45179	707	15	development	development	NN
45179	707	16	of	of	IN
45179	707	17	practically	practically	RB
45179	707	18	every	every	DT
45179	707	19	one	one	CD
45179	707	20	of	of	IN
45179	707	21	the	the	DT
45179	707	22	intricate	intricate	JJ
45179	707	23	systems	system	NNS
45179	707	24	of	of	IN
45179	707	25	railway	railway	NN
45179	707	26	block	block	NN
45179	707	27	signaling	signal	VBG
45179	707	28	in	in	IN
45179	707	29	use	use	NN
45179	707	30	today	today	NN
45179	707	31	wherein	wherein	WRB
45179	707	32	the	the	DT
45179	707	33	train	train	NN
45179	707	34	is	be	VBZ
45179	707	35	,	,	,
45179	707	36	under	under	IN
45179	707	37	all	all	DT
45179	707	38	conditions	condition	NNS
45179	707	39	,	,	,
45179	707	40	_	_	NNP
45179	707	41	continuously	continuously	RB
45179	707	42	active	active	JJ
45179	707	43	_	_	NNP
45179	707	44	in	in	IN
45179	707	45	maintaining	maintain	VBG
45179	707	46	its	-PRON-	PRP$
45179	707	47	own	own	JJ
45179	707	48	protection	protection	NN
45179	707	49	.	.	.
45179	708	1	"	"	``
45179	708	2	In	in	IN
45179	708	3	other	other	JJ
45179	708	4	words	word	NNS
45179	708	5	,	,	,
45179	708	6	the	the	DT
45179	708	7	track	track	NN
45179	708	8	circuit	circuit	NN
45179	708	9	is	be	VBZ
45179	708	10	today	today	NN
45179	708	11	the	the	DT
45179	708	12	only	only	JJ
45179	708	13	medium	medium	NN
45179	708	14	recognized	recognize	VBN
45179	708	15	as	as	IN
45179	708	16	fundamentally	fundamentally	RB
45179	708	17	safe	safe	JJ
45179	708	18	by	by	IN
45179	708	19	experts	expert	NNS
45179	708	20	in	in	IN
45179	708	21	railway	railway	NN
45179	708	22	signaling	signaling	NN
45179	708	23	whereby	whereby	WRB
45179	708	24	_	_	NNP
45179	708	25	a	a	DT
45179	708	26	train	train	NN
45179	708	27	or	or	CC
45179	708	28	any	any	DT
45179	708	29	part	part	NN
45179	708	30	thereof	thereof	RB
45179	708	31	may	may	MD
45179	708	32	retain	retain	VB
45179	708	33	continuous	continuous	JJ
45179	708	34	and	and	CC
45179	708	35	direct	direct	JJ
45179	708	36	control	control	NN
45179	708	37	of	of	IN
45179	708	38	a	a	DT
45179	708	39	block	block	NN
45179	708	40	signal	signal	NN
45179	708	41	while	while	IN
45179	708	42	occupying	occupy	VBG
45179	708	43	any	any	DT
45179	708	44	portion	portion	NN
45179	708	45	of	of	IN
45179	708	46	the	the	DT
45179	708	47	track	track	NN
45179	708	48	guarded	guard	VBN
45179	708	49	by	by	IN
45179	708	50	the	the	DT
45179	708	51	signal	signal	NNP
45179	708	52	_	_	NNP
45179	708	53	.	.	.
45179	708	54	"	"	''
45179	709	1	"	"	``
45179	709	2	To	to	IN
45179	709	3	Mr.	Mr.	NNP
45179	709	4	William	William	NNP
45179	709	5	Robinson	Robinson	NNP
45179	709	6	the	the	DT
45179	709	7	Patent	Patent	NNP
45179	709	8	Office	Office	NNP
45179	709	9	records	record	NNS
45179	709	10	concede	concede	VBP
45179	709	11	the	the	DT
45179	709	12	honor	honor	NN
45179	709	13	of	of	IN
45179	709	14	having	have	VBG
45179	709	15	devised	devise	VBN
45179	709	16	the	the	DT
45179	709	17	first	first	JJ
45179	709	18	practical	practical	JJ
45179	709	19	track	track	NN
45179	709	20	or	or	CC
45179	709	21	'	'	''
45179	709	22	Rail	Rail	NNP
45179	709	23	circuit	circuit	NN
45179	709	24	'	'	''
45179	709	25	.	.	.
45179	710	1	This	this	DT
45179	710	2	comprised	comprise	VBD
45179	710	3	what	what	WP
45179	710	4	is	be	VBZ
45179	710	5	termed	term	VBN
45179	710	6	the	the	DT
45179	710	7	_	_	NNP
45179	710	8	closed	close	VBN
45179	710	9	_	_	NNP
45179	710	10	track	track	NN
45179	710	11	circuit	circuit	NN
45179	710	12	.	.	.
45179	711	1	*	*	NFP
45179	711	2	*	*	NFP
45179	711	3	*	*	NFP
45179	711	4	Closed	closed	JJ
45179	711	5	track	track	NN
45179	711	6	circuits	circuit	NNS
45179	711	7	are	be	VBP
45179	711	8	very	very	RB
45179	711	9	reliable	reliable	JJ
45179	711	10	,	,	,
45179	711	11	wholly	wholly	RB
45179	711	12	safe	safe	JJ
45179	711	13	in	in	IN
45179	711	14	principle	principle	NN
45179	711	15	,	,	,
45179	711	16	and	and	CC
45179	711	17	simple	simple	NN
45179	711	18	of	of	IN
45179	711	19	application	application	NN
45179	711	20	and	and	CC
45179	711	21	maintenance	maintenance	NN
45179	711	22	.	.	.
45179	711	23	"	"	''
45179	712	1	The	the	DT
45179	712	2	above	above	JJ
45179	712	3	paragraphs	paragraph	NNS
45179	712	4	,	,	,
45179	712	5	quoted	quote	VBN
45179	712	6	from	from	IN
45179	712	7	the	the	DT
45179	712	8	third	third	JJ
45179	712	9	annual	annual	JJ
45179	712	10	report	report	NN
45179	712	11	of	of	IN
45179	712	12	the	the	DT
45179	712	13	Block	Block	NNP
45179	712	14	Signal	Signal	NNP
45179	712	15	and	and	CC
45179	712	16	Train	Train	NNP
45179	712	17	Control	Control	NNP
45179	712	18	Board	Board	NNP
45179	712	19	to	to	IN
45179	712	20	the	the	DT
45179	712	21	Interstate	Interstate	NNP
45179	712	22	Commerce	Commerce	NNP
45179	712	23	Commission	Commission	NNP
45179	712	24	under	under	IN
45179	712	25	date	date	NN
45179	712	26	of	of	IN
45179	712	27	November	November	NNP
45179	712	28	22	22	CD
45179	712	29	,	,	,
45179	712	30	1910	1910	CD
45179	712	31	,	,	,
45179	712	32	ably	ably	RB
45179	712	33	express	express	VBP
45179	712	34	in	in	IN
45179	712	35	a	a	DT
45179	712	36	few	few	JJ
45179	712	37	words	word	NNS
45179	712	38	what	what	WP
45179	712	39	the	the	DT
45179	712	40	invention	invention	NN
45179	712	41	of	of	IN
45179	712	42	the	the	DT
45179	712	43	track	track	NN
45179	712	44	circuit	circuit	NN
45179	712	45	has	have	VBZ
45179	712	46	meant	mean	VBN
45179	712	47	to	to	IN
45179	712	48	the	the	DT
45179	712	49	railroads	railroad	NNS
45179	712	50	of	of	IN
45179	712	51	this	this	DT
45179	712	52	and	and	CC
45179	712	53	other	other	JJ
45179	712	54	countries	country	NNS
45179	712	55	.	.	.
45179	713	1	In	in	IN
45179	713	2	order	order	NN
45179	713	3	,	,	,
45179	713	4	however	however	RB
45179	713	5	,	,	,
45179	713	6	that	that	IN
45179	713	7	those	those	DT
45179	713	8	who	who	WP
45179	713	9	are	be	VBP
45179	713	10	not	not	RB
45179	713	11	familiar	familiar	JJ
45179	713	12	with	with	IN
45179	713	13	the	the	DT
45179	713	14	principles	principle	NNS
45179	713	15	of	of	IN
45179	713	16	the	the	DT
45179	713	17	track	track	NN
45179	713	18	circuit	circuit	NN
45179	713	19	may	may	MD
45179	713	20	have	have	VB
45179	713	21	some	some	DT
45179	713	22	general	general	JJ
45179	713	23	knowledge	knowledge	NN
45179	713	24	of	of	IN
45179	713	25	them	-PRON-	PRP
45179	713	26	,	,	,
45179	713	27	a	a	DT
45179	713	28	simple	simple	JJ
45179	713	29	,	,	,
45179	713	30	non	non	JJ
45179	713	31	-	-	JJ
45179	713	32	technical	technical	JJ
45179	713	33	description	description	NN
45179	713	34	is	be	VBZ
45179	713	35	given	give	VBN
45179	713	36	,	,	,
45179	713	37	as	as	IN
45179	713	38	prepared	prepare	VBN
45179	713	39	some	some	DT
45179	713	40	years	year	NNS
45179	713	41	ago	ago	RB
45179	713	42	by	by	IN
45179	713	43	Mr.	Mr.	NNP
45179	713	44	J.	J.	NNP
45179	713	45	P.	P.	NNP
45179	713	46	Coleman	Coleman	NNP
45179	713	47	,	,	,
45179	713	48	of	of	IN
45179	713	49	the	the	DT
45179	713	50	Union	Union	NNP
45179	713	51	Switch	Switch	NNP
45179	713	52	&	&	CC
45179	713	53	Signal	Signal	NNP
45179	713	54	Company	Company	NNP
45179	713	55	.	.	.
45179	714	1	Historical	historical	JJ
45179	714	2	information	information	NN
45179	714	3	on	on	IN
45179	714	4	the	the	DT
45179	714	5	development	development	NN
45179	714	6	and	and	CC
45179	714	7	use	use	NN
45179	714	8	of	of	IN
45179	714	9	direct	direct	JJ
45179	714	10	current	current	NN
45179	714	11	and	and	CC
45179	714	12	alternating	alternate	VBG
45179	714	13	current	current	JJ
45179	714	14	track	track	NN
45179	714	15	circuits	circuit	NNS
45179	714	16	for	for	IN
45179	714	17	roads	road	NNS
45179	714	18	using	use	VBG
45179	714	19	electricity	electricity	NN
45179	714	20	for	for	IN
45179	714	21	propulsion	propulsion	NN
45179	714	22	purposes	purpose	NNS
45179	714	23	and	and	CC
45179	714	24	those	those	DT
45179	714	25	using	use	VBG
45179	714	26	steam	steam	NN
45179	714	27	will	will	MD
45179	714	28	be	be	VB
45179	714	29	found	find	VBN
45179	714	30	in	in	IN
45179	714	31	a	a	DT
45179	714	32	report	report	NN
45179	714	33	on	on	IN
45179	714	34	this	this	DT
45179	714	35	subject	subject	NN
45179	714	36	made	make	VBN
45179	714	37	by	by	IN
45179	714	38	Committee	Committee	NNP
45179	714	39	X	X	NNP
45179	714	40	to	to	IN
45179	714	41	the	the	DT
45179	714	42	Railway	Railway	NNP
45179	714	43	Signal	Signal	NNP
45179	714	44	Association	Association	NNP
45179	714	45	in	in	IN
45179	714	46	1910	1910	CD
45179	714	47	.	.	.
45179	715	1	The	the	DT
45179	715	2	Rail	Rail	NNP
45179	715	3	Circuit	Circuit	NNP
45179	715	4	Principle	Principle	NNP
45179	715	5	By	by	IN
45179	715	6	J.	J.	NNP
45179	715	7	P.	P.	NNP
45179	715	8	Coleman	Coleman	NNP
45179	715	9	.	.	.
45179	716	1	Assuming	assume	VBG
45179	716	2	that	that	IN
45179	716	3	it	-PRON-	PRP
45179	716	4	is	be	VBZ
45179	716	5	clearly	clearly	RB
45179	716	6	understood	understand	VBN
45179	716	7	that	that	IN
45179	716	8	the	the	DT
45179	716	9	current	current	NN
45179	716	10	is	be	VBZ
45179	716	11	generated	generate	VBN
45179	716	12	at	at	IN
45179	716	13	the	the	DT
45179	716	14	battery	battery	NN
45179	716	15	;	;	:
45179	716	16	that	that	IN
45179	716	17	it	-PRON-	PRP
45179	716	18	flows	flow	VBZ
45179	716	19	from	from	IN
45179	716	20	thence	thence	NN
45179	716	21	through	through	IN
45179	716	22	the	the	DT
45179	716	23	conductors	conductor	NNS
45179	716	24	(	(	-LRB-
45179	716	25	of	of	IN
45179	716	26	which	which	WDT
45179	716	27	the	the	DT
45179	716	28	coils	coil	NNS
45179	716	29	of	of	IN
45179	716	30	the	the	DT
45179	716	31	magnet	magnet	NN
45179	716	32	form	form	NN
45179	716	33	part	part	NN
45179	716	34	)	)	-RRB-
45179	716	35	and	and	CC
45179	716	36	back	back	RB
45179	716	37	again	again	RB
45179	716	38	to	to	IN
45179	716	39	the	the	DT
45179	716	40	battery	battery	NN
45179	716	41	,	,	,
45179	716	42	and	and	CC
45179	716	43	that	that	IN
45179	716	44	the	the	DT
45179	716	45	magnet	magnet	NN
45179	716	46	is	be	VBZ
45179	716	47	simply	simply	RB
45179	716	48	a	a	DT
45179	716	49	device	device	NN
45179	716	50	interposed	interpose	VBN
45179	716	51	in	in	IN
45179	716	52	the	the	DT
45179	716	53	circuit	circuit	NN
45179	716	54	for	for	IN
45179	716	55	the	the	DT
45179	716	56	purpose	purpose	NN
45179	716	57	of	of	IN
45179	716	58	transforming	transform	VBG
45179	716	59	electrical	electrical	JJ
45179	716	60	energy	energy	NN
45179	716	61	into	into	IN
45179	716	62	mechanical	mechanical	JJ
45179	716	63	(	(	-LRB-
45179	716	64	magnetic	magnetic	JJ
45179	716	65	)	)	-RRB-
45179	716	66	energy	energy	NN
45179	716	67	,	,	,
45179	716	68	and	and	CC
45179	716	69	that	that	IN
45179	716	70	the	the	DT
45179	716	71	latter	latter	JJ
45179	716	72	can	can	MD
45179	716	73	exist	exist	VB
45179	716	74	in	in	IN
45179	716	75	an	an	DT
45179	716	76	electro	electro	JJ
45179	716	77	-	-	HYPH
45179	716	78	magnet	magnet	NN
45179	716	79	only	only	RB
45179	716	80	with	with	IN
45179	716	81	the	the	DT
45179	716	82	presence	presence	NN
45179	716	83	of	of	IN
45179	716	84	the	the	DT
45179	716	85	former	former	JJ
45179	716	86	,	,	,
45179	716	87	we	-PRON-	PRP
45179	716	88	are	be	VBP
45179	716	89	now	now	RB
45179	716	90	prepared	prepared	JJ
45179	716	91	to	to	TO
45179	716	92	make	make	VB
45179	716	93	clear	clear	JJ
45179	716	94	the	the	DT
45179	716	95	principle	principle	NN
45179	716	96	of	of	IN
45179	716	97	an	an	DT
45179	716	98	electric	electric	JJ
45179	716	99	track	track	NN
45179	716	100	section	section	NN
45179	716	101	.	.	.
45179	717	1	To	to	TO
45179	717	2	assist	assist	VB
45179	717	3	in	in	IN
45179	717	4	this	this	DT
45179	717	5	,	,	,
45179	717	6	let	let	VB
45179	717	7	us	-PRON-	PRP
45179	717	8	state	state	VB
45179	717	9	an	an	DT
45179	717	10	invariable	invariable	JJ
45179	717	11	law	law	NN
45179	717	12	governing	govern	VBG
45179	717	13	the	the	DT
45179	717	14	flow	flow	NN
45179	717	15	of	of	IN
45179	717	16	currents	current	NNS
45179	717	17	:	:	:
45179	717	18	_	_	XX
45179	717	19	If	if	IN
45179	717	20	two	two	CD
45179	717	21	or	or	CC
45179	717	22	more	more	JJR
45179	717	23	paths	path	NNS
45179	717	24	be	be	VB
45179	717	25	presented	present	VBN
45179	717	26	an	an	DT
45179	717	27	electric	electric	JJ
45179	717	28	current	current	NN
45179	717	29	,	,	,
45179	717	30	it	-PRON-	PRP
45179	717	31	immediately	immediately	RB
45179	717	32	becomes	become	VBZ
45179	717	33	divided	divide	VBN
45179	717	34	,	,	,
45179	717	35	and	and	CC
45179	717	36	flows	flow	VBZ
45179	717	37	in	in	IN
45179	717	38	each	each	DT
45179	717	39	in	in	IN
45179	717	40	quantities	quantity	NNS
45179	717	41	directly	directly	RB
45179	717	42	in	in	IN
45179	717	43	proportion	proportion	NN
45179	717	44	to	to	IN
45179	717	45	the	the	DT
45179	717	46	conductivity	conductivity	NN
45179	717	47	of	of	IN
45179	717	48	each	each	DT
45179	717	49	.	.	.
45179	717	50	_	_	NNP
45179	717	51	The	the	DT
45179	717	52	unit	unit	NN
45179	717	53	of	of	IN
45179	717	54	electrical	electrical	JJ
45179	717	55	resistance	resistance	NN
45179	717	56	,	,	,
45179	717	57	whereby	whereby	WRB
45179	717	58	the	the	DT
45179	717	59	comparative	comparative	JJ
45179	717	60	merits	merit	NNS
45179	717	61	of	of	IN
45179	717	62	various	various	JJ
45179	717	63	materials	material	NNS
45179	717	64	and	and	CC
45179	717	65	sizes	size	NNS
45179	717	66	of	of	IN
45179	717	67	materials	material	NNS
45179	717	68	as	as	IN
45179	717	69	conductors	conductor	NNS
45179	717	70	are	be	VBP
45179	717	71	designated	designate	VBN
45179	717	72	,	,	,
45179	717	73	is	be	VBZ
45179	717	74	called	call	VBN
45179	717	75	an	an	DT
45179	717	76	_	_	NNP
45179	717	77	ohm	ohm	NN
45179	717	78	_	_	NNP
45179	717	79	,	,	,
45179	717	80	(	(	-LRB-
45179	717	81	just	just	RB
45179	717	82	as	as	IN
45179	717	83	the	the	DT
45179	717	84	unit	unit	NN
45179	717	85	of	of	IN
45179	717	86	lineal	lineal	NNP
45179	717	87	measurement	measurement	NNP
45179	717	88	whereby	whereby	WRB
45179	717	89	the	the	DT
45179	717	90	comparative	comparative	JJ
45179	717	91	lengths	length	NNS
45179	717	92	and	and	CC
45179	717	93	sizes	size	NNS
45179	717	94	of	of	IN
45179	717	95	various	various	JJ
45179	717	96	objects	object	NNS
45179	717	97	are	be	VBP
45179	717	98	designated	designate	VBN
45179	717	99	,	,	,
45179	717	100	is	be	VBZ
45179	717	101	termed	term	VBN
45179	717	102	a	a	DT
45179	717	103	_	_	NNP
45179	717	104	foot	foot	NN
45179	717	105	_	_	NNP
45179	717	106	)	)	-RRB-
45179	717	107	and	and	CC
45179	717	108	we	-PRON-	PRP
45179	717	109	will	will	MD
45179	717	110	therefore	therefore	RB
45179	717	111	use	use	VB
45179	717	112	that	that	DT
45179	717	113	term	term	NN
45179	717	114	in	in	IN
45179	717	115	reference	reference	NN
45179	717	116	to	to	IN
45179	717	117	the	the	DT
45179	717	118	resistance	resistance	NN
45179	717	119	of	of	IN
45179	717	120	a	a	DT
45179	717	121	conductor	conductor	NN
45179	717	122	.	.	.
45179	718	1	[	[	-LRB-
45179	718	2	Illustration	illustration	NN
45179	718	3	:	:	:
45179	718	4	Fig	Fig	NNP
45179	718	5	.	.	.
45179	719	1	1	1	LS
45179	719	2	]	]	-RRB-
45179	719	3	Figure	figure	NN
45179	719	4	1	1	CD
45179	719	5	represents	represent	VBZ
45179	719	6	an	an	DT
45179	719	7	ordinary	ordinary	JJ
45179	719	8	gravity	gravity	NN
45179	719	9	battery	battery	NN
45179	719	10	,	,	,
45179	719	11	the	the	DT
45179	719	12	conductors	conductor	NNS
45179	719	13	from	from	IN
45179	719	14	it	-PRON-	PRP
45179	719	15	,	,	,
45179	719	16	and	and	CC
45179	719	17	the	the	DT
45179	719	18	electro	electro	JJ
45179	719	19	-	-	HYPH
45179	719	20	magnet	magnet	NN
45179	719	21	to	to	TO
45179	719	22	which	which	WDT
45179	719	23	they	-PRON-	PRP
45179	719	24	connect	connect	VBP
45179	719	25	;	;	:
45179	719	26	also	also	RB
45179	719	27	the	the	DT
45179	719	28	armature	armature	NN
45179	719	29	as	as	IN
45179	719	30	attracted	attract	VBN
45179	719	31	by	by	IN
45179	719	32	the	the	DT
45179	719	33	magnet	magnet	NN
45179	719	34	and	and	CC
45179	719	35	overcoming	overcome	VBG
45179	719	36	the	the	DT
45179	719	37	spring	spring	NN
45179	719	38	which	which	WDT
45179	719	39	tends	tend	VBZ
45179	719	40	to	to	TO
45179	719	41	withdraw	withdraw	VB
45179	719	42	it	-PRON-	PRP
45179	719	43	from	from	IN
45179	719	44	the	the	DT
45179	719	45	magnet	magnet	NN
45179	719	46	.	.	.
45179	720	1	Now	now	RB
45179	720	2	,	,	,
45179	720	3	as	as	RB
45179	720	4	long	long	RB
45179	720	5	as	as	IN
45179	720	6	the	the	DT
45179	720	7	current	current	JJ
45179	720	8	flows	flow	VBZ
45179	720	9	through	through	IN
45179	720	10	the	the	DT
45179	720	11	magnet	magnet	NN
45179	720	12	,	,	,
45179	720	13	this	this	DT
45179	720	14	condition	condition	NN
45179	720	15	of	of	IN
45179	720	16	things	thing	NNS
45179	720	17	remains	remain	VBZ
45179	720	18	unaltered	unaltered	JJ
45179	720	19	;	;	:
45179	720	20	but	but	CC
45179	720	21	let	let	VB
45179	720	22	a	a	DT
45179	720	23	second	second	JJ
45179	720	24	path	path	NN
45179	720	25	be	be	VB
45179	720	26	presented	present	VBN
45179	720	27	to	to	IN
45179	720	28	the	the	DT
45179	720	29	current	current	JJ
45179	720	30	several	several	JJ
45179	720	31	hundred	hundred	CD
45179	720	32	times	time	NNS
45179	720	33	less	less	JJR
45179	720	34	in	in	IN
45179	720	35	resistance	resistance	NN
45179	720	36	than	than	IN
45179	720	37	the	the	DT
45179	720	38	original	original	JJ
45179	720	39	one	one	NN
45179	720	40	,	,	,
45179	720	41	and	and	CC
45179	720	42	the	the	DT
45179	720	43	result	result	NN
45179	720	44	is	be	VBZ
45179	720	45	that	that	IN
45179	720	46	several	several	JJ
45179	720	47	hundred	hundred	CD
45179	720	48	parts	part	NNS
45179	720	49	of	of	IN
45179	720	50	the	the	DT
45179	720	51	current	current	NN
45179	720	52	will	will	MD
45179	720	53	leave	leave	VB
45179	720	54	the	the	DT
45179	720	55	magnet	magnet	NN
45179	720	56	for	for	IN
45179	720	57	the	the	DT
45179	720	58	"	"	``
45179	720	59	short	short	JJ
45179	720	60	circuit	circuit	NN
45179	720	61	,	,	,
45179	720	62	"	"	''
45179	720	63	and	and	CC
45179	720	64	consequently	consequently	RB
45179	720	65	leave	leave	VB
45179	720	66	so	so	RB
45179	720	67	little	little	RB
45179	720	68	remaining	remaining	JJ
45179	720	69	in	in	IN
45179	720	70	the	the	DT
45179	720	71	original	original	JJ
45179	720	72	one	one	NN
45179	720	73	that	that	WDT
45179	720	74	the	the	DT
45179	720	75	effect	effect	NN
45179	720	76	will	will	MD
45179	720	77	be	be	VB
45179	720	78	practically	practically	RB
45179	720	79	to	to	TO
45179	720	80	demagnetize	demagnetize	VB
45179	720	81	the	the	DT
45179	720	82	magnets	magnet	NNS
45179	720	83	.	.	.
45179	721	1	[	[	-LRB-
45179	721	2	Illustration	illustration	NN
45179	721	3	:	:	:
45179	721	4	Fig	Fig	NNP
45179	721	5	.	.	.
45179	722	1	2	2	LS
45179	722	2	]	]	-RRB-
45179	722	3	Figure	figure	NN
45179	722	4	2	2	CD
45179	722	5	will	will	MD
45179	722	6	render	render	VB
45179	722	7	this	this	DT
45179	722	8	very	very	RB
45179	722	9	apparent	apparent	JJ
45179	722	10	if	if	IN
45179	722	11	we	-PRON-	PRP
45179	722	12	will	will	MD
45179	722	13	assume	assume	VB
45179	722	14	the	the	DT
45179	722	15	wire	wire	NN
45179	722	16	of	of	IN
45179	722	17	the	the	DT
45179	722	18	magnet	magnet	NN
45179	722	19	R	r	NN
45179	722	20	to	to	TO
45179	722	21	possess	possess	VB
45179	722	22	a	a	DT
45179	722	23	resistance	resistance	NN
45179	722	24	of	of	IN
45179	722	25	10	10	CD
45179	722	26	ohms	ohm	NNS
45179	722	27	,	,	,
45179	722	28	and	and	CC
45179	722	29	the	the	DT
45179	722	30	conductors	conductor	NNS
45179	722	31	themselves	-PRON-	PRP
45179	722	32	a	a	DT
45179	722	33	resistance	resistance	NN
45179	722	34	so	so	RB
45179	722	35	low	low	JJ
45179	722	36	as	as	IN
45179	722	37	to	to	TO
45179	722	38	be	be	VB
45179	722	39	inappreciable	inappreciable	JJ
45179	722	40	and	and	CC
45179	722	41	unworthy	unworthy	JJ
45179	722	42	of	of	IN
45179	722	43	consideration	consideration	NN
45179	722	44	.	.	.
45179	723	1	[	[	-LRB-
45179	723	2	Illustration	illustration	NN
45179	723	3	:	:	:
45179	723	4	Fig	Fig	NNP
45179	723	5	.	.	.
45179	724	1	3	3	LS
45179	724	2	]	]	-RRB-
45179	724	3	[	[	-LRB-
45179	724	4	Illustration	illustration	NN
45179	724	5	:	:	:
45179	724	6	Fig	Fig	NNP
45179	724	7	.	.	.
45179	725	1	4	4	LS
45179	725	2	]	]	-RRB-
45179	725	3	Now	now	RB
45179	725	4	,	,	,
45179	725	5	assume	assume	VB
45179	725	6	the	the	DT
45179	725	7	current	current	NN
45179	725	8	to	to	TO
45179	725	9	be	be	VB
45179	725	10	flowing	flow	VBG
45179	725	11	and	and	CC
45179	725	12	the	the	DT
45179	725	13	magnet	magnet	NN
45179	725	14	to	to	TO
45179	725	15	be	be	VB
45179	725	16	charged	charge	VBN
45179	725	17	,	,	,
45179	725	18	and	and	CC
45179	725	19	let	let	VB
45179	725	20	us	-PRON-	PRP
45179	725	21	take	take	VB
45179	725	22	a	a	DT
45179	725	23	piece	piece	NN
45179	725	24	of	of	IN
45179	725	25	metal	metal	NN
45179	725	26	which	which	WDT
45179	725	27	has	have	VBZ
45179	725	28	an	an	DT
45179	725	29	electrical	electrical	JJ
45179	725	30	resistance	resistance	NN
45179	725	31	of	of	IN
45179	725	32	1/100	1/100	CD
45179	725	33	of	of	IN
45179	725	34	an	an	DT
45179	725	35	ohm	ohm	NN
45179	725	36	,	,	,
45179	725	37	and	and	CC
45179	725	38	lay	lie	VBD
45179	725	39	it	-PRON-	PRP
45179	725	40	across	across	IN
45179	725	41	the	the	DT
45179	725	42	conductors	conductor	NNS
45179	725	43	at	at	IN
45179	725	44	any	any	DT
45179	725	45	point	point	NN
45179	725	46	between	between	IN
45179	725	47	the	the	DT
45179	725	48	battery	battery	NN
45179	725	49	and	and	CC
45179	725	50	the	the	DT
45179	725	51	magnet	magnet	NN
45179	725	52	.	.	.
45179	726	1	The	the	DT
45179	726	2	result	result	NN
45179	726	3	is	be	VBZ
45179	726	4	,	,	,
45179	726	5	that	that	IN
45179	726	6	instead	instead	RB
45179	726	7	of	of	IN
45179	726	8	flowing	flow	VBG
45179	726	9	through	through	IN
45179	726	10	10	10	CD
45179	726	11	ohms	ohms	NNP
45179	726	12	resistance	resistance	NN
45179	726	13	_	_	NNP
45179	726	14	via	via	IN
45179	726	15	_	_	NNP
45179	726	16	the	the	DT
45179	726	17	magnet	magnet	NN
45179	726	18	,	,	,
45179	726	19	it	-PRON-	PRP
45179	726	20	follows	follow	VBZ
45179	726	21	the	the	DT
45179	726	22	invariable	invariable	JJ
45179	726	23	rule	rule	NN
45179	726	24	,	,	,
45179	726	25	and	and	CC
45179	726	26	takes	take	VBZ
45179	726	27	that	that	DT
45179	726	28	offering	offering	NN
45179	726	29	but	but	CC
45179	726	30	1/100	1/100	CD
45179	726	31	of	of	IN
45179	726	32	an	an	DT
45179	726	33	ohm	ohm	NN
45179	726	34	;	;	,
45179	726	35	or	or	CC
45179	726	36	,	,	,
45179	726	37	more	more	JJR
45179	726	38	to	to	IN
45179	726	39	the	the	DT
45179	726	40	point	point	NN
45179	726	41	,	,	,
45179	726	42	if	if	IN
45179	726	43	we	-PRON-	PRP
45179	726	44	assume	assume	VBP
45179	726	45	the	the	DT
45179	726	46	conductors	conductor	NNS
45179	726	47	referred	refer	VBD
45179	726	48	to	to	IN
45179	726	49	to	to	TO
45179	726	50	be	be	VB
45179	726	51	one	one	CD
45179	726	52	mile	mile	NN
45179	726	53	of	of	IN
45179	726	54	steel	steel	NN
45179	726	55	rails	rail	NNS
45179	726	56	each	each	DT
45179	726	57	(	(	-LRB-
45179	726	58	Fig	fig	NN
45179	726	59	.	.	.
45179	727	1	3	3	LS
45179	727	2	)	)	-RRB-
45179	727	3	,	,	,
45179	727	4	and	and	CC
45179	727	5	again	again	RB
45179	727	6	leave	leave	VB
45179	727	7	their	-PRON-	PRP$
45179	727	8	resistance	resistance	NN
45179	727	9	(	(	-LRB-
45179	727	10	which	which	WDT
45179	727	11	would	would	MD
45179	727	12	be	be	VB
45179	727	13	about	about	IN
45179	727	14	one	one	CD
45179	727	15	ohm	ohm	NN
45179	727	16	each	each	DT
45179	727	17	)	)	-RRB-
45179	727	18	out	out	IN
45179	727	19	of	of	IN
45179	727	20	consideration	consideration	NN
45179	727	21	entirely	entirely	RB
45179	727	22	,	,	,
45179	727	23	leaving	leave	VBG
45179	727	24	that	that	DT
45179	727	25	of	of	IN
45179	727	26	the	the	DT
45179	727	27	magnet	magnet	NN
45179	727	28	as	as	IN
45179	727	29	first	first	RB
45179	727	30	stated	state	VBN
45179	727	31	,	,	,
45179	727	32	and	and	CC
45179	727	33	assume	assume	VB
45179	727	34	the	the	DT
45179	727	35	bar	bar	NN
45179	727	36	of	of	IN
45179	727	37	1/100	1/100	CD
45179	727	38	of	of	IN
45179	727	39	an	an	DT
45179	727	40	ohm	ohm	NN
45179	727	41	to	to	TO
45179	727	42	be	be	VB
45179	727	43	an	an	DT
45179	727	44	axle	axle	NN
45179	727	45	and	and	CC
45179	727	46	pair	pair	NN
45179	727	47	of	of	IN
45179	727	48	wheels	wheel	NNS
45179	727	49	(	(	-LRB-
45179	727	50	_	_	NNP
45179	727	51	a	a	DT
45179	727	52	_	_	NNP
45179	727	53	)	)	-RRB-
45179	727	54	of	of	IN
45179	727	55	a	a	DT
45179	727	56	train	train	NN
45179	727	57	(	(	-LRB-
45179	727	58	Fig	fig	NN
45179	727	59	.	.	.
45179	728	1	4	4	LS
45179	728	2	)	)	-RRB-
45179	728	3	,	,	,
45179	728	4	which	which	WDT
45179	728	5	possess	possess	VBP
45179	728	6	the	the	DT
45179	728	7	same	same	JJ
45179	728	8	resistance	resistance	NN
45179	728	9	,	,	,
45179	728	10	we	-PRON-	PRP
45179	728	11	can	can	MD
45179	728	12	readily	readily	RB
45179	728	13	see	see	VB
45179	728	14	that	that	IN
45179	728	15	the	the	DT
45179	728	16	result	result	NN
45179	728	17	would	would	MD
45179	728	18	be	be	VB
45179	728	19	exactly	exactly	RB
45179	728	20	the	the	DT
45179	728	21	same	same	JJ
45179	728	22	,	,	,
45179	728	23	_	_	NNP
45179	728	24	i.e.	i.e.	FW
45179	728	25	_	_	NNP
45179	728	26	,	,	,
45179	728	27	instead	instead	RB
45179	728	28	of	of	IN
45179	728	29	all	all	PDT
45179	728	30	the	the	DT
45179	728	31	current	current	JJ
45179	728	32	passing	pass	VBG
45179	728	33	through	through	IN
45179	728	34	the	the	DT
45179	728	35	magnets	magnet	NNS
45179	728	36	,	,	,
45179	728	37	as	as	IN
45179	728	38	when	when	WRB
45179	728	39	the	the	DT
45179	728	40	rails	rail	NNS
45179	728	41	were	be	VBD
45179	728	42	unoccupied	unoccupied	JJ
45179	728	43	,	,	,
45179	728	44	the	the	DT
45179	728	45	presence	presence	NN
45179	728	46	of	of	IN
45179	728	47	the	the	DT
45179	728	48	wheels	wheel	NNS
45179	728	49	upon	upon	IN
45179	728	50	them	-PRON-	PRP
45179	728	51	would	would	MD
45179	728	52	cause	cause	VB
45179	728	53	999/1000	999/1000	CD
45179	728	54	of	of	IN
45179	728	55	the	the	DT
45179	728	56	current	current	NN
45179	728	57	to	to	TO
45179	728	58	leave	leave	VB
45179	728	59	the	the	DT
45179	728	60	magnet	magnet	NN
45179	728	61	and	and	CC
45179	728	62	pass	pass	VB
45179	728	63	through	through	IN
45179	728	64	_	_	NNP
45179	728	65	them	-PRON-	PRP
45179	728	66	_	_	XX
45179	728	67	;	;	:
45179	728	68	they	-PRON-	PRP
45179	728	69	offering	offer	VBG
45179	728	70	but	but	CC
45179	728	71	999/1000	999/1000	CD
45179	728	72	of	of	IN
45179	728	73	the	the	DT
45179	728	74	resistance	resistance	NN
45179	728	75	of	of	IN
45179	728	76	the	the	DT
45179	728	77	magnets	magnet	NNS
45179	728	78	,	,	,
45179	728	79	and	and	CC
45179	728	80	thus	thus	RB
45179	728	81	leaving	leave	VBG
45179	728	82	but	but	CC
45179	728	83	1/1000	1/1000	CD
45179	728	84	of	of	IN
45179	728	85	the	the	DT
45179	728	86	whole	whole	JJ
45179	728	87	current	current	JJ
45179	728	88	passing	pass	VBG
45179	728	89	through	through	IN
45179	728	90	them	-PRON-	PRP
45179	728	91	,	,	,
45179	728	92	which	which	WDT
45179	728	93	being	be	VBG
45179	728	94	so	so	RB
45179	728	95	small	small	JJ
45179	728	96	a	a	DT
45179	728	97	part	part	NN
45179	728	98	of	of	IN
45179	728	99	so	so	RB
45179	728	100	feeble	feeble	JJ
45179	728	101	a	a	DT
45179	728	102	current	current	NN
45179	728	103	is	be	VBZ
45179	728	104	imperceptible	imperceptible	JJ
45179	728	105	and	and	CC
45179	728	106	without	without	IN
45179	728	107	sufficient	sufficient	JJ
45179	728	108	influence	influence	NN
45179	728	109	to	to	TO
45179	728	110	hold	hold	VB
45179	728	111	the	the	DT
45179	728	112	magnet	magnet	NN
45179	728	113	charged	charge	VBN
45179	728	114	.	.	.
45179	729	1	Therefore	therefore	RB
45179	729	2	,	,	,
45179	729	3	it	-PRON-	PRP
45179	729	4	follows	follow	VBZ
45179	729	5	that	that	IN
45179	729	6	the	the	DT
45179	729	7	instant	instant	NN
45179	729	8	that	that	IN
45179	729	9	a	a	DT
45179	729	10	pair	pair	NN
45179	729	11	of	of	IN
45179	729	12	wheels	wheel	NNS
45179	729	13	enters	enter	VBZ
45179	729	14	upon	upon	IN
45179	729	15	a	a	DT
45179	729	16	pair	pair	NN
45179	729	17	of	of	IN
45179	729	18	rails	rail	NNS
45179	729	19	which	which	WDT
45179	729	20	thus	thus	RB
45179	729	21	form	form	VBP
45179	729	22	part	part	NN
45179	729	23	of	of	IN
45179	729	24	the	the	DT
45179	729	25	conductors	conductor	NNS
45179	729	26	of	of	IN
45179	729	27	an	an	DT
45179	729	28	electrical	electrical	JJ
45179	729	29	current	current	JJ
45179	729	30	holding	holding	NN
45179	729	31	charged	charge	VBD
45179	729	32	a	a	DT
45179	729	33	magnet	magnet	NN
45179	729	34	,	,	,
45179	729	35	that	that	DT
45179	729	36	magnet	magnet	NN
45179	729	37	becomes	become	VBZ
45179	729	38	practically	practically	RB
45179	729	39	demagnetized	demagnetize	VBN
45179	729	40	,	,	,
45179	729	41	and	and	CC
45179	729	42	consequently	consequently	RB
45179	729	43	loses	lose	VBZ
45179	729	44	all	all	DT
45179	729	45	power	power	NN
45179	729	46	to	to	TO
45179	729	47	overcome	overcome	VB
45179	729	48	any	any	DT
45179	729	49	opposing	oppose	VBG
45179	729	50	force	force	NN
45179	729	51	in	in	IN
45179	729	52	its	-PRON-	PRP$
45179	729	53	armature	armature	NN
45179	729	54	.	.	.
45179	730	1	When	when	WRB
45179	730	2	the	the	DT
45179	730	3	armature	armature	NN
45179	730	4	of	of	IN
45179	730	5	a	a	DT
45179	730	6	magnet	magnet	NN
45179	730	7	is	be	VBZ
45179	730	8	arranged	arrange	VBN
45179	730	9	upon	upon	IN
45179	730	10	a	a	DT
45179	730	11	small	small	JJ
45179	730	12	lever	lever	NN
45179	730	13	,	,	,
45179	730	14	by	by	IN
45179	730	15	motion	motion	NN
45179	730	16	of	of	IN
45179	730	17	which	which	WDT
45179	730	18	a	a	DT
45179	730	19	second	second	JJ
45179	730	20	circuit	circuit	NN
45179	730	21	is	be	VBZ
45179	730	22	closed	close	VBN
45179	730	23	or	or	CC
45179	730	24	opened	open	VBN
45179	730	25	,	,	,
45179	730	26	or	or	CC
45179	730	27	two	two	CD
45179	730	28	or	or	CC
45179	730	29	more	more	JJR
45179	730	30	circuits	circuit	NNS
45179	730	31	are	be	VBP
45179	730	32	otherwise	otherwise	RB
45179	730	33	controlled	control	VBN
45179	730	34	,	,	,
45179	730	35	the	the	DT
45179	730	36	entire	entire	JJ
45179	730	37	device	device	NN
45179	730	38	is	be	VBZ
45179	730	39	termed	term	VBN
45179	730	40	a	a	DT
45179	730	41	relay	relay	NN
45179	730	42	.	.	.
45179	731	1	In	in	IN
45179	731	2	all	all	DT
45179	731	3	forms	form	NNS
45179	731	4	of	of	IN
45179	731	5	this	this	DT
45179	731	6	instrument	instrument	NN
45179	731	7	,	,	,
45179	731	8	as	as	IN
45179	731	9	is	be	VBZ
45179	731	10	the	the	DT
45179	731	11	case	case	NN
45179	731	12	with	with	IN
45179	731	13	almost	almost	RB
45179	731	14	every	every	DT
45179	731	15	other	other	JJ
45179	731	16	electrical	electrical	JJ
45179	731	17	instrument	instrument	NN
45179	731	18	,	,	,
45179	731	19	the	the	DT
45179	731	20	armature	armature	NN
45179	731	21	is	be	VBZ
45179	731	22	so	so	RB
45179	731	23	arranged	arrange	VBN
45179	731	24	as	as	IN
45179	731	25	to	to	TO
45179	731	26	fall	fall	VB
45179	731	27	by	by	IN
45179	731	28	gravity	gravity	NN
45179	731	29	,	,	,
45179	731	30	or	or	CC
45179	731	31	by	by	IN
45179	731	32	tension	tension	NN
45179	731	33	of	of	IN
45179	731	34	a	a	DT
45179	731	35	small	small	JJ
45179	731	36	spring	spring	NN
45179	731	37	suitably	suitably	RB
45179	731	38	arranged	arrange	VBN
45179	731	39	,	,	,
45179	731	40	away	away	RB
45179	731	41	from	from	IN
45179	731	42	the	the	DT
45179	731	43	cores	core	NNS
45179	731	44	of	of	IN
45179	731	45	the	the	DT
45179	731	46	magnets	magnet	NNS
45179	731	47	when	when	WRB
45179	731	48	they	-PRON-	PRP
45179	731	49	become	become	VBP
45179	731	50	demagnetized	demagnetized	JJ
45179	731	51	.	.	.
45179	732	1	[	[	-LRB-
45179	732	2	Illustration	illustration	NN
45179	732	3	:	:	:
45179	732	4	Fig	Fig	NNP
45179	732	5	.	.	.
45179	733	1	5	5	LS
45179	733	2	]	]	-RRB-
45179	733	3	When	when	WRB
45179	733	4	switches	switch	NNS
45179	733	5	are	be	VBP
45179	733	6	included	include	VBN
45179	733	7	in	in	IN
45179	733	8	a	a	DT
45179	733	9	track	track	NN
45179	733	10	section	section	NN
45179	733	11	(	(	-LRB-
45179	733	12	Fig	fig	NN
45179	733	13	.	.	.
45179	734	1	5	5	LS
45179	734	2	)	)	-RRB-
45179	734	3	,	,	,
45179	734	4	it	-PRON-	PRP
45179	734	5	becomes	become	VBZ
45179	734	6	necessary	necessary	JJ
45179	734	7	for	for	IN
45179	734	8	safety	safety	NN
45179	734	9	to	to	TO
45179	734	10	have	have	VB
45179	734	11	them	-PRON-	PRP
45179	734	12	control	control	VB
45179	734	13	the	the	DT
45179	734	14	track	track	NN
45179	734	15	section	section	NN
45179	734	16	in	in	IN
45179	734	17	such	such	PDT
45179	734	18	a	a	DT
45179	734	19	way	way	NN
45179	734	20	that	that	IN
45179	734	21	unless	unless	IN
45179	734	22	they	-PRON-	PRP
45179	734	23	are	be	VBP
45179	734	24	properly	properly	RB
45179	734	25	set	set	VBN
45179	734	26	(	(	-LRB-
45179	734	27	and	and	CC
45179	734	28	locked	lock	VBN
45179	734	29	,	,	,
45179	734	30	if	if	IN
45179	734	31	desired	desire	VBN
45179	734	32	)	)	-RRB-
45179	734	33	for	for	IN
45179	734	34	the	the	DT
45179	734	35	main	main	JJ
45179	734	36	track	track	NN
45179	734	37	,	,	,
45179	734	38	the	the	DT
45179	734	39	continuity	continuity	NN
45179	734	40	of	of	IN
45179	734	41	the	the	DT
45179	734	42	rail	rail	NN
45179	734	43	circuit	circuit	NN
45179	734	44	is	be	VBZ
45179	734	45	interrupted	interrupted	JJ
45179	734	46	and	and	CC
45179	734	47	the	the	DT
45179	734	48	signal	signal	NN
45179	734	49	is	be	VBZ
45179	734	50	thereby	thereby	RB
45179	734	51	held	hold	VBN
45179	734	52	at	at	IN
45179	734	53	danger	danger	NN
45179	734	54	.	.	.
45179	735	1	To	to	TO
45179	735	2	render	render	VB
45179	735	3	more	more	RBR
45179	735	4	certain	certain	JJ
45179	735	5	this	this	DT
45179	735	6	result	result	NN
45179	735	7	,	,	,
45179	735	8	the	the	DT
45179	735	9	circuit	circuit	NN
45179	735	10	controller	controller	NN
45179	735	11	(	(	-LRB-
45179	735	12	switch	switch	NNP
45179	735	13	box	box	NNP
45179	735	14	)	)	-RRB-
45179	735	15	at	at	IN
45179	735	16	the	the	DT
45179	735	17	switch	switch	NN
45179	735	18	is	be	VBZ
45179	735	19	arranged	arrange	VBN
45179	735	20	in	in	IN
45179	735	21	such	such	PDT
45179	735	22	a	a	DT
45179	735	23	way	way	NN
45179	735	24	that	that	WDT
45179	735	25	the	the	DT
45179	735	26	track	track	NN
45179	735	27	circuit	circuit	NN
45179	735	28	is	be	VBZ
45179	735	29	not	not	RB
45179	735	30	only	only	RB
45179	735	31	interrupted	interrupt	VBN
45179	735	32	beyond	beyond	IN
45179	735	33	the	the	DT
45179	735	34	switch	switch	NN
45179	735	35	,	,	,
45179	735	36	but	but	CC
45179	735	37	is	be	VBZ
45179	735	38	also	also	RB
45179	735	39	short	short	JJ
45179	735	40	-	-	HYPH
45179	735	41	circuited	circuit	VBN
45179	735	42	by	by	IN
45179	735	43	it	-PRON-	PRP
45179	735	44	when	when	WRB
45179	735	45	the	the	DT
45179	735	46	switch	switch	NN
45179	735	47	is	be	VBZ
45179	735	48	not	not	RB
45179	735	49	properly	properly	RB
45179	735	50	set	set	VBN
45179	735	51	.	.	.
45179	736	1	It	-PRON-	PRP
45179	736	2	is	be	VBZ
45179	736	3	also	also	RB
45179	736	4	necessary	necessary	JJ
45179	736	5	for	for	IN
45179	736	6	safety	safety	NN
45179	736	7	that	that	IN
45179	736	8	the	the	DT
45179	736	9	side	side	NN
45179	736	10	track	track	NN
45179	736	11	from	from	IN
45179	736	12	the	the	DT
45179	736	13	switch	switch	NN
45179	736	14	points	point	NNS
45179	736	15	back	back	RB
45179	736	16	to	to	IN
45179	736	17	the	the	DT
45179	736	18	fouling	fouling	JJ
45179	736	19	point	point	NN
45179	736	20	(	(	-LRB-
45179	736	21	Fig	fig	NN
45179	736	22	.	.	.
45179	737	1	5	5	LS
45179	737	2	)	)	-RRB-
45179	737	3	be	be	VB
45179	737	4	included	include	VBN
45179	737	5	in	in	IN
45179	737	6	the	the	DT
45179	737	7	track	track	NN
45179	737	8	section	section	NN
45179	737	9	:	:	:
45179	737	10	thus	thus	RB
45179	737	11	insuring	insure	VBG
45179	737	12	that	that	IN
45179	737	13	all	all	DT
45179	737	14	trains	train	NNS
45179	737	15	on	on	IN
45179	737	16	these	these	DT
45179	737	17	tracks	track	NNS
45179	737	18	are	be	VBP
45179	737	19	out	out	IN
45179	737	20	of	of	IN
45179	737	21	danger	danger	NN
45179	737	22	of	of	IN
45179	737	23	collision	collision	NN
45179	737	24	with	with	IN
45179	737	25	the	the	DT
45179	737	26	main	main	JJ
45179	737	27	track	track	NN
45179	737	28	when	when	WRB
45179	737	29	a	a	DT
45179	737	30	"	"	``
45179	737	31	clear	clear	JJ
45179	737	32	"	"	''
45179	737	33	signal	signal	NN
45179	737	34	is	be	VBZ
45179	737	35	displayed	display	VBN
45179	737	36	on	on	IN
45179	737	37	it	-PRON-	PRP
45179	737	38	.	.	.
45179	738	1	In	in	IN
45179	738	2	dividing	divide	VBG
45179	738	3	tracks	track	NNS
45179	738	4	into	into	IN
45179	738	5	distinct	distinct	JJ
45179	738	6	electrical	electrical	JJ
45179	738	7	sections	section	NNS
45179	738	8	,	,	,
45179	738	9	it	-PRON-	PRP
45179	738	10	becomes	become	VBZ
45179	738	11	necessary	necessary	JJ
45179	738	12	to	to	TO
45179	738	13	insulate	insulate	VB
45179	738	14	the	the	DT
45179	738	15	rail	rail	NN
45179	738	16	ends	end	VBZ
45179	738	17	at	at	IN
45179	738	18	the	the	DT
45179	738	19	terminal	terminal	NN
45179	738	20	of	of	IN
45179	738	21	each	each	DT
45179	738	22	,	,	,
45179	738	23	from	from	IN
45179	738	24	those	those	DT
45179	738	25	of	of	IN
45179	738	26	the	the	DT
45179	738	27	adjacent	adjacent	JJ
45179	738	28	sections	section	NNS
45179	738	29	.	.	.
45179	739	1	If	if	IN
45179	739	2	this	this	DT
45179	739	3	were	be	VBD
45179	739	4	not	not	RB
45179	739	5	done	do	VBN
45179	739	6	the	the	DT
45179	739	7	current	current	NN
45179	739	8	of	of	IN
45179	739	9	each	each	DT
45179	739	10	section	section	NN
45179	739	11	would	would	MD
45179	739	12	traverse	traverse	VB
45179	739	13	the	the	DT
45179	739	14	next	next	JJ
45179	739	15	,	,	,
45179	739	16	and	and	CC
45179	739	17	continue	continue	VB
45179	739	18	on	on	RP
45179	739	19	indefinitely	indefinitely	RB
45179	739	20	,	,	,
45179	739	21	influencing	influence	VBG
45179	739	22	each	each	DT
45179	739	23	other	other	JJ
45179	739	24	so	so	IN
45179	739	25	as	as	IN
45179	739	26	to	to	TO
45179	739	27	interfere	interfere	VB
45179	739	28	with	with	IN
45179	739	29	or	or	CC
45179	739	30	totally	totally	RB
45179	739	31	prevent	prevent	VB
45179	739	32	the	the	DT
45179	739	33	operation	operation	NN
45179	739	34	of	of	IN
45179	739	35	all	all	DT
45179	739	36	.	.	.
45179	740	1	In	in	IN
45179	740	2	order	order	NN
45179	740	3	that	that	IN
45179	740	4	we	-PRON-	PRP
45179	740	5	may	may	MD
45179	740	6	fully	fully	RB
45179	740	7	comprehend	comprehend	VB
45179	740	8	the	the	DT
45179	740	9	nature	nature	NN
45179	740	10	of	of	IN
45179	740	11	an	an	DT
45179	740	12	insulation	insulation	NN
45179	740	13	,	,	,
45179	740	14	let	let	VB
45179	740	15	us	-PRON-	PRP
45179	740	16	make	make	VB
45179	740	17	clear	clear	JJ
45179	740	18	a	a	DT
45179	740	19	few	few	JJ
45179	740	20	facts	fact	NNS
45179	740	21	concerning	concern	VBG
45179	740	22	conductors	conductor	NNS
45179	740	23	in	in	IN
45179	740	24	general	general	JJ
45179	740	25	.	.	.
45179	741	1	All	all	DT
45179	741	2	materials	material	NNS
45179	741	3	conduct	conduct	VBP
45179	741	4	electricity	electricity	NN
45179	741	5	to	to	IN
45179	741	6	a	a	DT
45179	741	7	certain	certain	JJ
45179	741	8	extent	extent	NN
45179	741	9	;	;	:
45179	741	10	but	but	CC
45179	741	11	some	some	DT
45179	741	12	with	with	IN
45179	741	13	much	much	RB
45179	741	14	more	more	JJR
45179	741	15	freedom	freedom	NN
45179	741	16	than	than	IN
45179	741	17	others	other	NNS
45179	741	18	.	.	.
45179	742	1	Thus	thus	RB
45179	742	2	,	,	,
45179	742	3	silver	silver	NN
45179	742	4	,	,	,
45179	742	5	copper	copper	NN
45179	742	6	,	,	,
45179	742	7	gold	gold	NN
45179	742	8	,	,	,
45179	742	9	zinc	zinc	NN
45179	742	10	,	,	,
45179	742	11	platinum	platinum	NN
45179	742	12	,	,	,
45179	742	13	iron	iron	NN
45179	742	14	,	,	,
45179	742	15	steel	steel	NN
45179	742	16	,	,	,
45179	742	17	mercury	mercury	NN
45179	742	18	,	,	,
45179	742	19	and	and	CC
45179	742	20	other	other	JJ
45179	742	21	pure	pure	JJ
45179	742	22	metals	metal	NNS
45179	742	23	permit	permit	VBP
45179	742	24	the	the	DT
45179	742	25	passage	passage	NN
45179	742	26	of	of	IN
45179	742	27	an	an	DT
45179	742	28	electric	electric	JJ
45179	742	29	current	current	NN
45179	742	30	through	through	IN
45179	742	31	them	-PRON-	PRP
45179	742	32	with	with	IN
45179	742	33	but	but	CC
45179	742	34	slight	slight	JJ
45179	742	35	resistance	resistance	NN
45179	742	36	,	,	,
45179	742	37	(	(	-LRB-
45179	742	38	although	although	IN
45179	742	39	all	all	DT
45179	742	40	offer	offer	VBP
45179	742	41	a	a	DT
45179	742	42	certain	certain	JJ
45179	742	43	amount	amount	NN
45179	742	44	,	,	,
45179	742	45	)	)	-RRB-
45179	742	46	and	and	CC
45179	742	47	are	be	VBP
45179	742	48	therefore	therefore	RB
45179	742	49	termed	term	VBN
45179	742	50	_	_	NNP
45179	742	51	conductors	conductor	NNS
45179	742	52	_	_	NNP
45179	742	53	.	.	.
45179	743	1	The	the	DT
45179	743	2	following	follow	VBG
45179	743	3	liquids	liquid	NNS
45179	743	4	are	be	VBP
45179	743	5	classed	class	VBN
45179	743	6	as	as	IN
45179	743	7	conductors	conductor	NNS
45179	743	8	:	:	:
45179	743	9	concentrated	concentrated	JJ
45179	743	10	and	and	CC
45179	743	11	diluted	diluted	JJ
45179	743	12	acids	acid	NNS
45179	743	13	,	,	,
45179	743	14	saline	saline	NN
45179	743	15	liquids	liquid	NNS
45179	743	16	and	and	CC
45179	743	17	water	water	NN
45179	743	18	,	,	,
45179	743	19	although	although	IN
45179	743	20	they	-PRON-	PRP
45179	743	21	are	be	VBP
45179	743	22	much	much	RB
45179	743	23	less	less	RBR
45179	743	24	efficient	efficient	JJ
45179	743	25	as	as	IN
45179	743	26	such	such	JJ
45179	743	27	than	than	IN
45179	743	28	the	the	DT
45179	743	29	metals	metal	NNS
45179	743	30	.	.	.
45179	744	1	To	to	IN
45179	744	2	this	this	DT
45179	744	3	list	list	NN
45179	744	4	might	may	MD
45179	744	5	be	be	VB
45179	744	6	added	add	VBN
45179	744	7	the	the	DT
45179	744	8	earth	earth	NN
45179	744	9	itself	-PRON-	PRP
45179	744	10	and	and	CC
45179	744	11	the	the	DT
45179	744	12	various	various	JJ
45179	744	13	ingredients	ingredient	NNS
45179	744	14	forming	form	VBG
45179	744	15	it	-PRON-	PRP
45179	744	16	,	,	,
45179	744	17	the	the	DT
45179	744	18	nature	nature	NN
45179	744	19	of	of	IN
45179	744	20	which	which	WDT
45179	744	21	ingredients	ingredient	NNS
45179	744	22	determines	determine	VBZ
45179	744	23	very	very	RB
45179	744	24	much	much	RB
45179	744	25	its	-PRON-	PRP$
45179	744	26	efficiency	efficiency	NN
45179	744	27	as	as	IN
45179	744	28	a	a	DT
45179	744	29	conductor	conductor	NN
45179	744	30	.	.	.
45179	745	1	Thus	thus	RB
45179	745	2	at	at	IN
45179	745	3	points	point	NNS
45179	745	4	abounding	abound	VBG
45179	745	5	in	in	IN
45179	745	6	mineral	mineral	NN
45179	745	7	deposits	deposit	NNS
45179	745	8	the	the	DT
45179	745	9	earth	earth	NN
45179	745	10	would	would	MD
45179	745	11	be	be	VB
45179	745	12	far	far	RB
45179	745	13	superior	superior	JJ
45179	745	14	as	as	IN
45179	745	15	a	a	DT
45179	745	16	conductor	conductor	NN
45179	745	17	to	to	IN
45179	745	18	those	those	DT
45179	745	19	parts	part	NNS
45179	745	20	in	in	IN
45179	745	21	which	which	WDT
45179	745	22	none	none	NN
45179	745	23	exist	exist	VBP
45179	745	24	,	,	,
45179	745	25	but	but	CC
45179	745	26	at	at	IN
45179	745	27	best	good	JJS
45179	745	28	should	should	MD
45179	745	29	be	be	VB
45179	745	30	regarded	regard	VBN
45179	745	31	as	as	IN
45179	745	32	a	a	DT
45179	745	33	poor	poor	JJ
45179	745	34	conductor	conductor	NN
45179	745	35	.	.	.
45179	746	1	Next	next	RB
45179	746	2	comes	come	VBZ
45179	746	3	a	a	DT
45179	746	4	class	class	NN
45179	746	5	of	of	IN
45179	746	6	materials	material	NNS
45179	746	7	which	which	WDT
45179	746	8	offer	offer	VBP
45179	746	9	a	a	DT
45179	746	10	great	great	JJ
45179	746	11	resistance	resistance	NN
45179	746	12	to	to	IN
45179	746	13	the	the	DT
45179	746	14	current	current	NN
45179	746	15	,	,	,
45179	746	16	and	and	CC
45179	746	17	which	which	WDT
45179	746	18	from	from	IN
45179	746	19	that	that	DT
45179	746	20	reason	reason	NN
45179	746	21	are	be	VBP
45179	746	22	termed	term	VBN
45179	746	23	non	non	JJ
45179	746	24	-	-	NNS
45179	746	25	conductors	conductors	JJ
45179	746	26	,	,	,
45179	746	27	or	or	CC
45179	746	28	insulators	insulator	NNS
45179	746	29	;	;	:
45179	746	30	of	of	IN
45179	746	31	this	this	DT
45179	746	32	class	class	NN
45179	746	33	,	,	,
45179	746	34	rubber	rubber	NN
45179	746	35	,	,	,
45179	746	36	glass	glass	NN
45179	746	37	,	,	,
45179	746	38	leather	leather	NN
45179	746	39	,	,	,
45179	746	40	resin	resin	NN
45179	746	41	,	,	,
45179	746	42	wood	wood	NN
45179	746	43	,	,	,
45179	746	44	brimstone	brimstone	NN
45179	746	45	and	and	CC
45179	746	46	dry	dry	JJ
45179	746	47	air	air	NN
45179	746	48	are	be	VBP
45179	746	49	the	the	DT
45179	746	50	most	most	RBS
45179	746	51	common	common	JJ
45179	746	52	.	.	.
45179	747	1	Wood	wood	NN
45179	747	2	being	be	VBG
45179	747	3	a	a	DT
45179	747	4	non	non	JJ
45179	747	5	-	-	NN
45179	747	6	conductor	conductor	NN
45179	747	7	,	,	,
45179	747	8	it	-PRON-	PRP
45179	747	9	is	be	VBZ
45179	747	10	very	very	RB
45179	747	11	evident	evident	JJ
45179	747	12	that	that	IN
45179	747	13	the	the	DT
45179	747	14	cross	cross	NN
45179	747	15	-	-	NNS
45179	747	16	ties	tie	NNS
45179	747	17	under	under	IN
45179	747	18	the	the	DT
45179	747	19	steel	steel	NN
45179	747	20	rails	rail	NNS
45179	747	21	form	form	VBP
45179	747	22	an	an	DT
45179	747	23	insulation	insulation	NN
45179	747	24	between	between	IN
45179	747	25	them	-PRON-	PRP
45179	747	26	and	and	CC
45179	747	27	the	the	DT
45179	747	28	ground	ground	NN
45179	747	29	;	;	:
45179	747	30	also	also	RB
45179	747	31	,	,	,
45179	747	32	that	that	IN
45179	747	33	if	if	IN
45179	747	34	a	a	DT
45179	747	35	piece	piece	NN
45179	747	36	of	of	IN
45179	747	37	the	the	DT
45179	747	38	same	same	JJ
45179	747	39	or	or	CC
45179	747	40	similar	similar	JJ
45179	747	41	material	material	NN
45179	747	42	be	be	VB
45179	747	43	placed	place	VBN
45179	747	44	between	between	IN
45179	747	45	the	the	DT
45179	747	46	rail	rail	NN
45179	747	47	ends	end	VBZ
45179	747	48	,	,	,
45179	747	49	and	and	CC
45179	747	50	that	that	IN
45179	747	51	if	if	IN
45179	747	52	two	two	CD
45179	747	53	other	other	JJ
45179	747	54	pieces	piece	NNS
45179	747	55	of	of	IN
45179	747	56	sufficient	sufficient	JJ
45179	747	57	strength	strength	NN
45179	747	58	be	be	VB
45179	747	59	substituted	substitute	VBN
45179	747	60	for	for	IN
45179	747	61	the	the	DT
45179	747	62	iron	iron	NN
45179	747	63	fish	fish	NN
45179	747	64	-	-	HYPH
45179	747	65	plates	plate	NNS
45179	747	66	at	at	IN
45179	747	67	that	that	DT
45179	747	68	point	point	NN
45179	747	69	,	,	,
45179	747	70	a	a	DT
45179	747	71	secure	secure	JJ
45179	747	72	insulation	insulation	NN
45179	747	73	will	will	MD
45179	747	74	be	be	VB
45179	747	75	formed	form	VBN
45179	747	76	between	between	IN
45179	747	77	the	the	DT
45179	747	78	rails	rail	NNS
45179	747	79	.	.	.
45179	748	1	It	-PRON-	PRP
45179	748	2	is	be	VBZ
45179	748	3	precisely	precisely	RB
45179	748	4	in	in	IN
45179	748	5	this	this	DT
45179	748	6	way	way	NN
45179	748	7	that	that	WDT
45179	748	8	the	the	DT
45179	748	9	insulation	insulation	NN
45179	748	10	of	of	IN
45179	748	11	one	one	CD
45179	748	12	rail	rail	NN
45179	748	13	from	from	IN
45179	748	14	another	another	DT
45179	748	15	is	be	VBZ
45179	748	16	effected	effect	VBN
45179	748	17	(	(	-LRB-
45179	748	18	Fig	fig	NN
45179	748	19	.	.	.
45179	749	1	6	6	LS
45179	749	2	)	)	-RRB-
45179	749	3	and	and	CC
45179	749	4	the	the	DT
45179	749	5	long	long	JJ
45179	749	6	,	,	,
45179	749	7	practical	practical	JJ
45179	749	8	use	use	NN
45179	749	9	of	of	IN
45179	749	10	many	many	JJ
45179	749	11	hundred	hundred	CD
45179	749	12	joints	joint	NNS
45179	749	13	of	of	IN
45179	749	14	this	this	DT
45179	749	15	sort	sort	NN
45179	749	16	,	,	,
45179	749	17	has	have	VBZ
45179	749	18	proved	prove	VBN
45179	749	19	it	-PRON-	PRP
45179	749	20	to	to	TO
45179	749	21	be	be	VB
45179	749	22	a	a	DT
45179	749	23	method	method	NN
45179	749	24	both	both	CC
45179	749	25	economical	economical	JJ
45179	749	26	and	and	CC
45179	749	27	thoroughly	thoroughly	RB
45179	749	28	efficient	efficient	JJ
45179	749	29	.	.	.
45179	750	1	[	[	-LRB-
45179	750	2	Illustration	illustration	NN
45179	750	3	:	:	:
45179	750	4	Fig	Fig	NNP
45179	750	5	.	.	.
45179	751	1	6	6	LS
45179	751	2	]	]	-RRB-
45179	751	3	A	a	DT
45179	751	4	much	much	RB
45179	751	5	more	more	RBR
45179	751	6	secure	secure	JJ
45179	751	7	_	_	NNP
45179	751	8	joint	joint	JJ
45179	751	9	_	_	NNP
45179	751	10	,	,	,
45179	751	11	however	however	RB
45179	751	12	,	,	,
45179	751	13	is	be	VBZ
45179	751	14	obtained	obtain	VBN
45179	751	15	by	by	IN
45179	751	16	insulating	insulate	VBG
45179	751	17	the	the	DT
45179	751	18	existing	exist	VBG
45179	751	19	iron	iron	NN
45179	751	20	fish	fish	NN
45179	751	21	-	-	HYPH
45179	751	22	plates	plate	NNS
45179	751	23	from	from	IN
45179	751	24	the	the	DT
45179	751	25	rails	rail	NNS
45179	751	26	by	by	IN
45179	751	27	means	mean	NNS
45179	751	28	of	of	IN
45179	751	29	heavy	heavy	JJ
45179	751	30	fiber	fiber	NN
45179	751	31	plates	plate	NNS
45179	751	32	,	,	,
45179	751	33	and	and	CC
45179	751	34	their	-PRON-	PRP$
45179	751	35	bolts	bolt	NNS
45179	751	36	from	from	IN
45179	751	37	the	the	DT
45179	751	38	rails	rail	NNS
45179	751	39	by	by	IN
45179	751	40	fiber	fiber	NN
45179	751	41	bushings	bushing	NNS
45179	751	42	(	(	-LRB-
45179	751	43	Fig	fig	NN
45179	751	44	.	.	.
45179	752	1	7	7	LS
45179	752	2	)	)	-RRB-
45179	752	3	.	.	.
45179	753	1	While	while	IN
45179	753	2	this	this	DT
45179	753	3	method	method	NN
45179	753	4	is	be	VBZ
45179	753	5	superior	superior	JJ
45179	753	6	to	to	IN
45179	753	7	the	the	DT
45179	753	8	first	first	JJ
45179	753	9	mentioned	mention	VBN
45179	753	10	one	one	CD
45179	753	11	in	in	IN
45179	753	12	that	that	IN
45179	753	13	it	-PRON-	PRP
45179	753	14	makes	make	VBZ
45179	753	15	a	a	DT
45179	753	16	more	more	RBR
45179	753	17	secure	secure	JJ
45179	753	18	rail	rail	NN
45179	753	19	joint	joint	NN
45179	753	20	,	,	,
45179	753	21	it	-PRON-	PRP
45179	753	22	is	be	VBZ
45179	753	23	no	no	DT
45179	753	24	more	more	RBR
45179	753	25	efficient	efficient	JJ
45179	753	26	as	as	IN
45179	753	27	an	an	DT
45179	753	28	insulation	insulation	NN
45179	753	29	.	.	.
45179	754	1	[	[	-LRB-
45179	754	2	Illustration	illustration	NN
45179	754	3	:	:	:
45179	754	4	Fig	Fig	NNP
45179	754	5	.	.	.
45179	755	1	7	7	LS
45179	755	2	]	]	-RRB-
45179	755	3	One	one	PRP
45179	755	4	would	would	MD
45179	755	5	naturally	naturally	RB
45179	755	6	suppose	suppose	VB
45179	755	7	that	that	IN
45179	755	8	owing	owe	VBG
45179	755	9	to	to	IN
45179	755	10	the	the	DT
45179	755	11	large	large	JJ
45179	755	12	surface	surface	NN
45179	755	13	of	of	IN
45179	755	14	contact	contact	NN
45179	755	15	existing	exist	VBG
45179	755	16	between	between	IN
45179	755	17	the	the	DT
45179	755	18	rails	rail	NNS
45179	755	19	and	and	CC
45179	755	20	their	-PRON-	PRP$
45179	755	21	connecting	connect	VBG
45179	755	22	or	or	CC
45179	755	23	fish	fish	NN
45179	755	24	-	-	HYPH
45179	755	25	plates	plate	NNS
45179	755	26	,	,	,
45179	755	27	and	and	CC
45179	755	28	from	from	IN
45179	755	29	the	the	DT
45179	755	30	apparent	apparent	JJ
45179	755	31	security	security	NN
45179	755	32	of	of	IN
45179	755	33	that	that	DT
45179	755	34	contact	contact	NN
45179	755	35	obtained	obtain	VBN
45179	755	36	by	by	IN
45179	755	37	the	the	DT
45179	755	38	bolts	bolt	NNS
45179	755	39	through	through	IN
45179	755	40	them	-PRON-	PRP
45179	755	41	,	,	,
45179	755	42	no	no	DT
45179	755	43	trouble	trouble	NN
45179	755	44	would	would	MD
45179	755	45	be	be	VB
45179	755	46	experienced	experience	VBN
45179	755	47	by	by	IN
45179	755	48	the	the	DT
45179	755	49	current	current	NN
45179	755	50	in	in	IN
45179	755	51	passing	pass	VBG
45179	755	52	from	from	IN
45179	755	53	one	one	CD
45179	755	54	rail	rail	NN
45179	755	55	to	to	IN
45179	755	56	the	the	DT
45179	755	57	other	other	JJ
45179	755	58	.	.	.
45179	756	1	This	this	DT
45179	756	2	,	,	,
45179	756	3	however	however	RB
45179	756	4	,	,	,
45179	756	5	is	be	VBZ
45179	756	6	not	not	RB
45179	756	7	the	the	DT
45179	756	8	case	case	NN
45179	756	9	,	,	,
45179	756	10	as	as	IN
45179	756	11	the	the	DT
45179	756	12	bolts	bolt	NNS
45179	756	13	and	and	CC
45179	756	14	even	even	RB
45179	756	15	the	the	DT
45179	756	16	plates	plate	NNS
45179	756	17	themselves	-PRON-	PRP
45179	756	18	frequently	frequently	RB
45179	756	19	become	become	VBP
45179	756	20	loose	loose	JJ
45179	756	21	,	,	,
45179	756	22	even	even	RB
45179	756	23	when	when	WRB
45179	756	24	provided	provide	VBN
45179	756	25	with	with	IN
45179	756	26	the	the	DT
45179	756	27	best	good	JJS
45179	756	28	of	of	IN
45179	756	29	nut	nut	NNP
45179	756	30	locks	lock	NNS
45179	756	31	,	,	,
45179	756	32	and	and	CC
45179	756	33	the	the	DT
45179	756	34	rust	rust	NN
45179	756	35	and	and	CC
45179	756	36	dirt	dirt	NN
45179	756	37	settling	settle	VBG
45179	756	38	between	between	IN
45179	756	39	them	-PRON-	PRP
45179	756	40	and	and	CC
45179	756	41	the	the	DT
45179	756	42	rails	rail	NNS
45179	756	43	oftentimes	oftentimes	RB
45179	756	44	increase	increase	VBP
45179	756	45	the	the	DT
45179	756	46	resistance	resistance	NN
45179	756	47	of	of	IN
45179	756	48	a	a	DT
45179	756	49	track	track	NN
45179	756	50	section	section	NN
45179	756	51	to	to	IN
45179	756	52	a	a	DT
45179	756	53	serious	serious	JJ
45179	756	54	extent	extent	NN
45179	756	55	.	.	.
45179	757	1	Again	again	RB
45179	757	2	,	,	,
45179	757	3	even	even	RB
45179	757	4	when	when	WRB
45179	757	5	tightly	tightly	RB
45179	757	6	bolted	bolt	VBN
45179	757	7	and	and	CC
45179	757	8	locked	lock	VBN
45179	757	9	,	,	,
45179	757	10	these	these	DT
45179	757	11	plates	plate	NNS
45179	757	12	form	form	VBP
45179	757	13	but	but	CC
45179	757	14	an	an	DT
45179	757	15	imperfect	imperfect	JJ
45179	757	16	contact	contact	NN
45179	757	17	,	,	,
45179	757	18	owing	owe	VBG
45179	757	19	to	to	IN
45179	757	20	the	the	DT
45179	757	21	scale	scale	NN
45179	757	22	or	or	CC
45179	757	23	rust	rust	NN
45179	757	24	upon	upon	IN
45179	757	25	them	-PRON-	PRP
45179	757	26	.	.	.
45179	758	1	Therefore	therefore	RB
45179	758	2	,	,	,
45179	758	3	to	to	TO
45179	758	4	insure	insure	VB
45179	758	5	that	that	IN
45179	758	6	the	the	DT
45179	758	7	resistance	resistance	NN
45179	758	8	of	of	IN
45179	758	9	a	a	DT
45179	758	10	track	track	NN
45179	758	11	section	section	NN
45179	758	12	may	may	MD
45179	758	13	be	be	VB
45179	758	14	as	as	RB
45179	758	15	low	low	JJ
45179	758	16	and	and	CC
45179	758	17	as	as	RB
45179	758	18	constant	constant	JJ
45179	758	19	as	as	IN
45179	758	20	possible	possible	JJ
45179	758	21	,	,	,
45179	758	22	we	-PRON-	PRP
45179	758	23	have	have	VBP
45179	758	24	found	find	VBN
45179	758	25	it	-PRON-	PRP
45179	758	26	absolutely	absolutely	RB
45179	758	27	necessary	necessary	JJ
45179	758	28	to	to	TO
45179	758	29	connect	connect	VB
45179	758	30	each	each	DT
45179	758	31	two	two	CD
45179	758	32	adjacent	adjacent	JJ
45179	758	33	rail	rail	NN
45179	758	34	ends	end	VBZ
45179	758	35	together	together	RB
45179	758	36	by	by	IN
45179	758	37	means	mean	NNS
45179	758	38	of	of	IN
45179	758	39	a	a	DT
45179	758	40	short	short	JJ
45179	758	41	piece	piece	NN
45179	758	42	of	of	IN
45179	758	43	very	very	RB
45179	758	44	strong	strong	JJ
45179	758	45	wire	wire	NN
45179	758	46	(	(	-LRB-
45179	758	47	Fig	fig	NN
45179	758	48	.	.	.
45179	759	1	8)	8)	CD
45179	759	2	.	.	.
45179	760	1	[	[	-LRB-
45179	760	2	Illustration	illustration	NN
45179	760	3	:	:	:
45179	760	4	Fig	Fig	NNP
45179	760	5	.	.	.
45179	761	1	8	8	LS
45179	761	2	]	]	-RRB-
45179	761	3	These	these	DT
45179	761	4	wires	wire	NNS
45179	761	5	are	be	VBP
45179	761	6	termed	term	VBN
45179	761	7	"	"	``
45179	761	8	track	track	NN
45179	761	9	wires	wire	NNS
45179	761	10	"	"	''
45179	761	11	(	(	-LRB-
45179	761	12	bond	bond	NN
45179	761	13	wires	wire	NNS
45179	761	14	)	)	-RRB-
45179	761	15	and	and	CC
45179	761	16	are	be	VBP
45179	761	17	provided	provide	VBN
45179	761	18	with	with	IN
45179	761	19	a	a	DT
45179	761	20	button	button	NN
45179	761	21	-	-	HYPH
45179	761	22	head	head	NN
45179	761	23	rivet	rivet	NNS
45179	761	24	at	at	IN
45179	761	25	each	each	DT
45179	761	26	end	end	NN
45179	761	27	,	,	,
45179	761	28	which	which	WDT
45179	761	29	is	be	VBZ
45179	761	30	securely	securely	RB
45179	761	31	soldered	solder	VBN
45179	761	32	thereto	thereto	NN
45179	761	33	,	,	,
45179	761	34	for	for	IN
45179	761	35	the	the	DT
45179	761	36	purpose	purpose	NN
45179	761	37	of	of	IN
45179	761	38	securing	secure	VBG
45179	761	39	them	-PRON-	PRP
45179	761	40	to	to	IN
45179	761	41	the	the	DT
45179	761	42	rails	rail	NNS
45179	761	43	.	.	.
45179	762	1	(	(	-LRB-
45179	762	2	Bond	bond	NN
45179	762	3	wires	wire	NNS
45179	762	4	are	be	VBP
45179	762	5	now	now	RB
45179	762	6	attached	attach	VBN
45179	762	7	to	to	IN
45179	762	8	the	the	DT
45179	762	9	rails	rail	NNS
45179	762	10	by	by	IN
45179	762	11	channel	channel	NN
45179	762	12	pins	pin	NNS
45179	762	13	or	or	CC
45179	762	14	are	be	VBP
45179	762	15	welded	weld	VBN
45179	762	16	on	on	RP
45179	762	17	.	.	.
45179	762	18	)	)	-RRB-
45179	763	1	The	the	DT
45179	763	2	connections	connection	NNS
45179	763	3	from	from	IN
45179	763	4	the	the	DT
45179	763	5	rails	rail	NNS
45179	763	6	to	to	IN
45179	763	7	the	the	DT
45179	763	8	battery	battery	NN
45179	763	9	and	and	CC
45179	763	10	relay	relay	NN
45179	763	11	of	of	IN
45179	763	12	a	a	DT
45179	763	13	track	track	NN
45179	763	14	section	section	NN
45179	763	15	are	be	VBP
45179	763	16	secured	secure	VBN
45179	763	17	to	to	IN
45179	763	18	the	the	DT
45179	763	19	rails	rail	NNS
45179	763	20	in	in	IN
45179	763	21	the	the	DT
45179	763	22	same	same	JJ
45179	763	23	manner	manner	NN
45179	763	24	.	.	.
45179	764	1	The	the	DT
45179	764	2	battery	battery	NN
45179	764	3	is	be	VBZ
45179	764	4	usually	usually	RB
45179	764	5	located	locate	VBN
45179	764	6	in	in	IN
45179	764	7	a	a	DT
45179	764	8	chute	chute	NN
45179	764	9	or	or	CC
45179	764	10	well	well	RB
45179	764	11	sunk	sink	VBN
45179	764	12	in	in	IN
45179	764	13	the	the	DT
45179	764	14	ground	ground	NN
45179	764	15	at	at	IN
45179	764	16	the	the	DT
45179	764	17	terminal	terminal	NN
45179	764	18	of	of	IN
45179	764	19	each	each	DT
45179	764	20	section	section	NN
45179	764	21	,	,	,
45179	764	22	which	which	WDT
45179	764	23	is	be	VBZ
45179	764	24	provided	provide	VBN
45179	764	25	with	with	IN
45179	764	26	an	an	DT
45179	764	27	elevator	elevator	NN
45179	764	28	in	in	IN
45179	764	29	which	which	WDT
45179	764	30	the	the	DT
45179	764	31	battery	battery	NN
45179	764	32	is	be	VBZ
45179	764	33	placed	place	VBN
45179	764	34	and	and	CC
45179	764	35	by	by	IN
45179	764	36	which	which	WDT
45179	764	37	it	-PRON-	PRP
45179	764	38	may	may	MD
45179	764	39	be	be	VB
45179	764	40	raised	raise	VBN
45179	764	41	and	and	CC
45179	764	42	lowered	lower	VBN
45179	764	43	at	at	IN
45179	764	44	will	will	NN
45179	764	45	.	.	.
45179	765	1	All	all	DT
45179	765	2	wires	wire	NNS
45179	765	3	when	when	WRB
45179	765	4	placed	place	VBN
45179	765	5	underground	underground	RB
45179	765	6	are	be	VBP
45179	765	7	run	run	VBN
45179	765	8	in	in	IN
45179	765	9	grooved	groove	VBN
45179	765	10	lumber	lumber	NN
45179	765	11	in	in	IN
45179	765	12	order	order	NN
45179	765	13	that	that	IN
45179	765	14	they	-PRON-	PRP
45179	765	15	may	may	MD
45179	765	16	be	be	VB
45179	765	17	secure	secure	JJ
45179	765	18	from	from	IN
45179	765	19	injury	injury	NN
45179	765	20	.	.	.
45179	766	1	Even	even	RB
45179	766	2	in	in	IN
45179	766	3	very	very	RB
45179	766	4	wet	wet	JJ
45179	766	5	or	or	CC
45179	766	6	snowy	snowy	JJ
45179	766	7	weather	weather	NN
45179	766	8	a	a	DT
45179	766	9	single	single	JJ
45179	766	10	jar	jar	NN
45179	766	11	of	of	IN
45179	766	12	gravity	gravity	NN
45179	766	13	battery	battery	NN
45179	766	14	is	be	VBZ
45179	766	15	generally	generally	RB
45179	766	16	found	find	VBN
45179	766	17	to	to	TO
45179	766	18	furnish	furnish	VB
45179	766	19	sufficient	sufficient	JJ
45179	766	20	current	current	NN
45179	766	21	to	to	TO
45179	766	22	properly	properly	RB
45179	766	23	work	work	VB
45179	766	24	the	the	DT
45179	766	25	relay	relay	NN
45179	766	26	at	at	IN
45179	766	27	the	the	DT
45179	766	28	other	other	JJ
45179	766	29	end	end	NN
45179	766	30	of	of	IN
45179	766	31	any	any	DT
45179	766	32	section	section	NN
45179	766	33	less	less	JJR
45179	766	34	than	than	IN
45179	766	35	three	three	CD
45179	766	36	-	-	HYPH
45179	766	37	quarters	quarter	NNS
45179	766	38	of	of	IN
45179	766	39	a	a	DT
45179	766	40	mile	mile	NN
45179	766	41	in	in	IN
45179	766	42	length	length	NN
45179	766	43	;	;	:
45179	766	44	although	although	IN
45179	766	45	it	-PRON-	PRP
45179	766	46	frequently	frequently	RB
45179	766	47	happens	happen	VBZ
45179	766	48	on	on	IN
45179	766	49	longer	long	JJR
45179	766	50	sections	section	NNS
45179	766	51	and	and	CC
45179	766	52	occasionally	occasionally	RB
45179	766	53	on	on	IN
45179	766	54	those	those	DT
45179	766	55	of	of	IN
45179	766	56	ordinary	ordinary	JJ
45179	766	57	length	length	NN
45179	766	58	that	that	WDT
45179	766	59	two	two	CD
45179	766	60	jars	jar	NNS
45179	766	61	are	be	VBP
45179	766	62	necessary	necessary	JJ
45179	766	63	.	.	.
45179	767	1	A	a	DT
45179	767	2	greater	great	JJR
45179	767	3	number	number	NN
45179	767	4	of	of	IN
45179	767	5	jars	jar	NNS
45179	767	6	is	be	VBZ
45179	767	7	never	never	RB
45179	767	8	advisable	advisable	JJ
45179	767	9	since	since	IN
45179	767	10	by	by	IN
45179	767	11	increasing	increase	VBG
45179	767	12	the	the	DT
45179	767	13	intensity	intensity	NN
45179	767	14	of	of	IN
45179	767	15	the	the	DT
45179	767	16	current	current	NN
45179	767	17	,	,	,
45179	767	18	the	the	DT
45179	767	19	liability	liability	NN
45179	767	20	of	of	IN
45179	767	21	its	-PRON-	PRP$
45179	767	22	leaking	leaking	NN
45179	767	23	from	from	IN
45179	767	24	one	one	CD
45179	767	25	rail	rail	NN
45179	767	26	to	to	IN
45179	767	27	the	the	DT
45179	767	28	other	other	JJ
45179	767	29	during	during	IN
45179	767	30	wet	wet	JJ
45179	767	31	weather	weather	NN
45179	767	32	is	be	VBZ
45179	767	33	correspondingly	correspondingly	RB
45179	767	34	increased	increase	VBN
45179	767	35	,	,	,
45179	767	36	and	and	CC
45179	767	37	as	as	IN
45179	767	38	this	this	DT
45179	767	39	is	be	VBZ
45179	767	40	attended	attend	VBN
45179	767	41	with	with	IN
45179	767	42	some	some	DT
45179	767	43	uncertainty	uncertainty	NN
45179	767	44	in	in	IN
45179	767	45	the	the	DT
45179	767	46	working	working	NN
45179	767	47	of	of	IN
45179	767	48	the	the	DT
45179	767	49	relay	relay	NN
45179	767	50	of	of	IN
45179	767	51	the	the	DT
45179	767	52	section	section	NN
45179	767	53	--	--	:
45179	767	54	due	due	IN
45179	767	55	to	to	IN
45179	767	56	the	the	DT
45179	767	57	varying	varying	NN
45179	767	58	intensity	intensity	NN
45179	767	59	of	of	IN
45179	767	60	the	the	DT
45179	767	61	current	current	NN
45179	767	62	--	--	:
45179	767	63	it	-PRON-	PRP
45179	767	64	should	should	MD
45179	767	65	be	be	VB
45179	767	66	carefully	carefully	RB
45179	767	67	guarded	guard	VBN
45179	767	68	against	against	IN
45179	767	69	.	.	.
45179	768	1	As	as	IN
45179	768	2	two	two	CD
45179	768	3	jars	jar	NNS
45179	768	4	of	of	IN
45179	768	5	gravity	gravity	NN
45179	768	6	battery	battery	NN
45179	768	7	are	be	VBP
45179	768	8	not	not	RB
45179	768	9	sufficient	sufficient	JJ
45179	768	10	to	to	TO
45179	768	11	operate	operate	VB
45179	768	12	a	a	DT
45179	768	13	signal	signal	NN
45179	768	14	,	,	,
45179	768	15	lock	lock	NN
45179	768	16	,	,	,
45179	768	17	bell	bell	NNP
45179	768	18	or	or	CC
45179	768	19	any	any	DT
45179	768	20	similar	similar	JJ
45179	768	21	instrument	instrument	NN
45179	768	22	with	with	IN
45179	768	23	any	any	DT
45179	768	24	degree	degree	NN
45179	768	25	of	of	IN
45179	768	26	certainty	certainty	NN
45179	768	27	,	,	,
45179	768	28	it	-PRON-	PRP
45179	768	29	becomes	become	VBZ
45179	768	30	necessary	necessary	JJ
45179	768	31	to	to	TO
45179	768	32	have	have	VB
45179	768	33	a	a	DT
45179	768	34	second	second	JJ
45179	768	35	set	set	NN
45179	768	36	of	of	IN
45179	768	37	batteries	battery	NNS
45179	768	38	of	of	IN
45179	768	39	a	a	DT
45179	768	40	greater	great	JJR
45179	768	41	number	number	NN
45179	768	42	of	of	IN
45179	768	43	jars	jar	NNS
45179	768	44	for	for	IN
45179	768	45	that	that	DT
45179	768	46	purpose	purpose	NN
45179	768	47	.	.	.
45179	769	1	The	the	DT
45179	769	2	armature	armature	NN
45179	769	3	of	of	IN
45179	769	4	the	the	DT
45179	769	5	magnet	magnet	NN
45179	769	6	controlled	control	VBN
45179	769	7	by	by	IN
45179	769	8	the	the	DT
45179	769	9	track	track	NN
45179	769	10	section	section	NN
45179	769	11	is	be	VBZ
45179	769	12	therefore	therefore	RB
45179	769	13	made	make	VBN
45179	769	14	to	to	TO
45179	769	15	control	control	VB
45179	769	16	a	a	DT
45179	769	17	second	second	JJ
45179	769	18	circuit	circuit	NN
45179	769	19	using	use	VBG
45179	769	20	a	a	DT
45179	769	21	battery	battery	NN
45179	769	22	of	of	IN
45179	769	23	this	this	DT
45179	769	24	sort	sort	NN
45179	769	25	(	(	-LRB-
45179	769	26	Figs	fig	NNS
45179	769	27	.	.	.
45179	770	1	3	3	CD
45179	770	2	,	,	,
45179	770	3	4	4	CD
45179	770	4	and	and	CC
45179	770	5	5	5	CD
45179	770	6	)	)	-RRB-
45179	770	7	and	and	CC
45179	770	8	which	which	WDT
45179	770	9	includes	include	VBZ
45179	770	10	the	the	DT
45179	770	11	magnet	magnet	NN
45179	770	12	of	of	IN
45179	770	13	the	the	DT
45179	770	14	signal	signal	NN
45179	770	15	mechanism	mechanism	NN
45179	770	16	.	.	.
45179	771	1	The	the	DT
45179	771	2	use	use	NN
45179	771	3	of	of	IN
45179	771	4	a	a	DT
45179	771	5	relay	relay	NN
45179	771	6	on	on	IN
45179	771	7	a	a	DT
45179	771	8	track	track	NN
45179	771	9	section	section	NN
45179	771	10	is	be	VBZ
45179	771	11	therefore	therefore	RB
45179	771	12	necessary	necessary	JJ
45179	771	13	;	;	:
45179	771	14	and	and	CC
45179	771	15	when	when	WRB
45179	771	16	it	-PRON-	PRP
45179	771	17	becomes	become	VBZ
45179	771	18	necessary	necessary	JJ
45179	771	19	to	to	TO
45179	771	20	control	control	VB
45179	771	21	two	two	CD
45179	771	22	or	or	CC
45179	771	23	more	more	JJR
45179	771	24	devices	device	NNS
45179	771	25	,	,	,
45179	771	26	each	each	DT
45179	771	27	requiring	require	VBG
45179	771	28	independent	independent	JJ
45179	771	29	circuits	circuit	NNS
45179	771	30	,	,	,
45179	771	31	by	by	IN
45179	771	32	one	one	CD
45179	771	33	track	track	NN
45179	771	34	,	,	,
45179	771	35	the	the	DT
45179	771	36	use	use	NN
45179	771	37	of	of	IN
45179	771	38	a	a	DT
45179	771	39	relay	relay	NN
45179	771	40	is	be	VBZ
45179	771	41	indispensable	indispensable	JJ
45179	771	42	.	.	.
45179	772	1	Track	Track	NNP
45179	772	2	Circuit	Circuit	NNP
45179	772	3	Characteristics	Characteristics	NNP
45179	772	4	While	while	IN
45179	772	5	the	the	DT
45179	772	6	fundamental	fundamental	JJ
45179	772	7	principles	principle	NNS
45179	772	8	of	of	IN
45179	772	9	the	the	DT
45179	772	10	track	track	NN
45179	772	11	circuit	circuit	NN
45179	772	12	are	be	VBP
45179	772	13	the	the	DT
45179	772	14	same	same	JJ
45179	772	15	today	today	NN
45179	772	16	as	as	IN
45179	772	17	they	-PRON-	PRP
45179	772	18	were	be	VBD
45179	772	19	when	when	WRB
45179	772	20	it	-PRON-	PRP
45179	772	21	was	be	VBD
45179	772	22	originally	originally	RB
45179	772	23	invented	invent	VBN
45179	772	24	by	by	IN
45179	772	25	Dr.	Dr.	NNP
45179	772	26	Robinson	Robinson	NNP
45179	772	27	in	in	IN
45179	772	28	1872	1872	CD
45179	772	29	,	,	,
45179	772	30	it	-PRON-	PRP
45179	772	31	has	have	VBZ
45179	772	32	been	be	VBN
45179	772	33	found	find	VBN
45179	772	34	that	that	IN
45179	772	35	it	-PRON-	PRP
45179	772	36	is	be	VBZ
45179	772	37	not	not	RB
45179	772	38	as	as	RB
45179	772	39	simple	simple	JJ
45179	772	40	a	a	DT
45179	772	41	device	device	NN
45179	772	42	as	as	IN
45179	772	43	was	be	VBD
45179	772	44	formerly	formerly	RB
45179	772	45	supposed	suppose	VBN
45179	772	46	to	to	TO
45179	772	47	be	be	VB
45179	772	48	the	the	DT
45179	772	49	case	case	NN
45179	772	50	and	and	CC
45179	772	51	many	many	JJ
45179	772	52	problems	problem	NNS
45179	772	53	have	have	VBP
45179	772	54	arisen	arise	VBN
45179	772	55	which	which	WDT
45179	772	56	have	have	VBP
45179	772	57	required	require	VBN
45179	772	58	and	and	CC
45179	772	59	is	be	VBZ
45179	772	60	requiring	require	VBG
45179	772	61	the	the	DT
45179	772	62	careful	careful	JJ
45179	772	63	study	study	NN
45179	772	64	of	of	IN
45179	772	65	the	the	DT
45179	772	66	signal	signal	JJ
45179	772	67	engineers	engineer	NNS
45179	772	68	.	.	.
45179	773	1	Accordingly	accordingly	RB
45179	773	2	,	,	,
45179	773	3	it	-PRON-	PRP
45179	773	4	is	be	VBZ
45179	773	5	well	well	JJ
45179	773	6	to	to	TO
45179	773	7	present	present	VB
45179	773	8	briefly	briefly	RB
45179	773	9	some	some	DT
45179	773	10	of	of	IN
45179	773	11	the	the	DT
45179	773	12	track	track	NN
45179	773	13	circuit	circuit	NN
45179	773	14	characteristics	characteristic	NNS
45179	773	15	as	as	IN
45179	773	16	they	-PRON-	PRP
45179	773	17	are	be	VBP
45179	773	18	known	know	VBN
45179	773	19	today	today	NN
45179	773	20	.	.	.
45179	774	1	In	in	IN
45179	774	2	the	the	DT
45179	774	3	following	follow	VBG
45179	774	4	presentation	presentation	NN
45179	774	5	,	,	,
45179	774	6	information	information	NN
45179	774	7	has	have	VBZ
45179	774	8	been	be	VBN
45179	774	9	collected	collect	VBN
45179	774	10	from	from	IN
45179	774	11	many	many	JJ
45179	774	12	different	different	JJ
45179	774	13	sources	source	NNS
45179	774	14	,	,	,
45179	774	15	including	include	VBG
45179	774	16	abstracts	abstract	NNS
45179	774	17	from	from	IN
45179	774	18	papers	paper	NNS
45179	774	19	presented	present	VBN
45179	774	20	on	on	IN
45179	774	21	the	the	DT
45179	774	22	track	track	NN
45179	774	23	circuit	circuit	NN
45179	774	24	by	by	IN
45179	774	25	Mr.	Mr.	NNP
45179	774	26	A.	A.	NNP
45179	774	27	R.	R.	NNP
45179	774	28	Fugina	Fugina	NNP
45179	774	29	,	,	,
45179	774	30	signal	signal	NN
45179	774	31	engineer	engineer	NN
45179	774	32	,	,	,
45179	774	33	and	and	CC
45179	774	34	Mr.	Mr.	NNP
45179	774	35	J.	J.	NNP
45179	775	1	B.	B.	NNP
45179	775	2	Weigle	Weigle	NNP
45179	775	3	,	,	,
45179	775	4	signal	signal	VBP
45179	775	5	inspector	inspector	NN
45179	775	6	on	on	IN
45179	775	7	the	the	DT
45179	775	8	Louisville	Louisville	NNP
45179	775	9	&	&	CC
45179	775	10	Nashville	Nashville	NNP
45179	775	11	.	.	.
45179	776	1	There	there	EX
45179	776	2	are	be	VBP
45179	776	3	two	two	CD
45179	776	4	general	general	JJ
45179	776	5	classes	class	NNS
45179	776	6	of	of	IN
45179	776	7	track	track	NN
45179	776	8	circuits	circuit	NNS
45179	776	9	,	,	,
45179	776	10	direct	direct	JJ
45179	776	11	current	current	NN
45179	776	12	and	and	CC
45179	776	13	alternating	alternate	VBG
45179	776	14	current	current	NN
45179	776	15	,	,	,
45179	776	16	which	which	WDT
45179	776	17	may	may	MD
45179	776	18	be	be	VB
45179	776	19	further	further	RB
45179	776	20	subdivided	subdivide	VBN
45179	776	21	between	between	IN
45179	776	22	single	single	JJ
45179	776	23	or	or	CC
45179	776	24	double	double	JJ
45179	776	25	rail	rail	NN
45179	776	26	circuits	circuit	NNS
45179	776	27	.	.	.
45179	777	1	The	the	DT
45179	777	2	essential	essential	JJ
45179	777	3	feature	feature	NN
45179	777	4	of	of	IN
45179	777	5	the	the	DT
45179	777	6	track	track	NN
45179	777	7	circuit	circuit	NN
45179	777	8	is	be	VBZ
45179	777	9	the	the	DT
45179	777	10	insulation	insulation	NN
45179	777	11	of	of	IN
45179	777	12	each	each	DT
45179	777	13	section	section	NN
45179	777	14	of	of	IN
45179	777	15	track	track	NN
45179	777	16	from	from	IN
45179	777	17	the	the	DT
45179	777	18	adjoining	adjoining	JJ
45179	777	19	sections	section	NNS
45179	777	20	.	.	.
45179	778	1	Each	each	DT
45179	778	2	rail	rail	NN
45179	778	3	in	in	IN
45179	778	4	the	the	DT
45179	778	5	section	section	NN
45179	778	6	is	be	VBZ
45179	778	7	connected	connect	VBN
45179	778	8	to	to	IN
45179	778	9	the	the	DT
45179	778	10	one	one	NN
45179	778	11	adjoining	adjoin	VBG
45179	778	12	by	by	IN
45179	778	13	bond	bond	NN
45179	778	14	wires	wire	NNS
45179	778	15	,	,	,
45179	778	16	for	for	IN
45179	778	17	the	the	DT
45179	778	18	purpose	purpose	NN
45179	778	19	of	of	IN
45179	778	20	making	make	VBG
45179	778	21	a	a	DT
45179	778	22	continuous	continuous	JJ
45179	778	23	conductor	conductor	NN
45179	778	24	from	from	IN
45179	778	25	one	one	CD
45179	778	26	end	end	NN
45179	778	27	of	of	IN
45179	778	28	the	the	DT
45179	778	29	section	section	NN
45179	778	30	to	to	IN
45179	778	31	the	the	DT
45179	778	32	other	other	JJ
45179	778	33	.	.	.
45179	779	1	Rail	Rail	NNP
45179	779	2	Bonding	Bonding	NNP
45179	779	3	Under	under	IN
45179	779	4	the	the	DT
45179	779	5	present	present	JJ
45179	779	6	methods	method	NNS
45179	779	7	of	of	IN
45179	779	8	bonding	bonding	NN
45179	779	9	,	,	,
45179	779	10	the	the	DT
45179	779	11	angle	angle	NN
45179	779	12	bar	bar	NN
45179	779	13	carries	carry	VBZ
45179	779	14	the	the	DT
45179	779	15	greater	great	JJR
45179	779	16	part	part	NN
45179	779	17	of	of	IN
45179	779	18	the	the	DT
45179	779	19	current	current	NN
45179	779	20	,	,	,
45179	779	21	and	and	CC
45179	779	22	bond	bond	NN
45179	779	23	wires	wire	NNS
45179	779	24	frequently	frequently	RB
45179	779	25	carry	carry	VBP
45179	779	26	as	as	RB
45179	779	27	little	little	JJ
45179	779	28	as	as	IN
45179	779	29	20	20	CD
45179	779	30	per	per	NN
45179	779	31	cent	cent	NN
45179	779	32	.	.	.
45179	780	1	of	of	IN
45179	780	2	it	-PRON-	PRP
45179	780	3	and	and	CC
45179	780	4	sometimes	sometimes	RB
45179	780	5	even	even	RB
45179	780	6	less	less	JJR
45179	780	7	.	.	.
45179	781	1	The	the	DT
45179	781	2	rail	rail	NN
45179	781	3	resistance	resistance	NN
45179	781	4	is	be	VBZ
45179	781	5	lowest	low	JJS
45179	781	6	with	with	IN
45179	781	7	new	new	JJ
45179	781	8	rails	rail	NNS
45179	781	9	,	,	,
45179	781	10	but	but	CC
45179	781	11	it	-PRON-	PRP
45179	781	12	gradually	gradually	RB
45179	781	13	gets	get	VBZ
45179	781	14	higher	high	JJR
45179	781	15	,	,	,
45179	781	16	due	due	IN
45179	781	17	to	to	IN
45179	781	18	rust	rust	NN
45179	781	19	and	and	CC
45179	781	20	dirt	dirt	NN
45179	781	21	formations	formation	NNS
45179	781	22	between	between	IN
45179	781	23	the	the	DT
45179	781	24	angle	angle	NN
45179	781	25	bar	bar	NN
45179	781	26	and	and	CC
45179	781	27	the	the	DT
45179	781	28	rail	rail	NN
45179	781	29	.	.	.
45179	782	1	But	but	CC
45179	782	2	even	even	RB
45179	782	3	with	with	IN
45179	782	4	new	new	JJ
45179	782	5	rail	rail	NN
45179	782	6	,	,	,
45179	782	7	the	the	DT
45179	782	8	rail	rail	NN
45179	782	9	resistance	resistance	NN
45179	782	10	varies	vary	VBZ
45179	782	11	greatly	greatly	RB
45179	782	12	at	at	IN
45179	782	13	different	different	JJ
45179	782	14	periods	period	NNS
45179	782	15	and	and	CC
45179	782	16	even	even	RB
45179	782	17	at	at	IN
45179	782	18	different	different	JJ
45179	782	19	times	time	NNS
45179	782	20	during	during	IN
45179	782	21	any	any	DT
45179	782	22	twenty	twenty	CD
45179	782	23	-	-	HYPH
45179	782	24	four	four	CD
45179	782	25	hours	hour	NNS
45179	782	26	.	.	.
45179	783	1	This	this	DT
45179	783	2	variation	variation	NN
45179	783	3	is	be	VBZ
45179	783	4	entirely	entirely	RB
45179	783	5	due	due	IN
45179	783	6	to	to	IN
45179	783	7	the	the	DT
45179	783	8	fact	fact	NN
45179	783	9	that	that	IN
45179	783	10	the	the	DT
45179	783	11	angle	angle	NN
45179	783	12	bars	bar	NNS
45179	783	13	carry	carry	VBP
45179	783	14	more	more	JJR
45179	783	15	of	of	IN
45179	783	16	the	the	DT
45179	783	17	current	current	NN
45179	783	18	than	than	IN
45179	783	19	the	the	DT
45179	783	20	bond	bond	NN
45179	783	21	wires	wire	NNS
45179	783	22	,	,	,
45179	783	23	and	and	CC
45179	783	24	that	that	IN
45179	783	25	the	the	DT
45179	783	26	bond	bond	NN
45179	783	27	wires	wire	NNS
45179	783	28	under	under	IN
45179	783	29	any	any	DT
45179	783	30	condition	condition	NN
45179	783	31	are	be	VBP
45179	783	32	only	only	RB
45179	783	33	large	large	JJ
45179	783	34	enough	enough	RB
45179	783	35	to	to	TO
45179	783	36	carry	carry	VB
45179	783	37	the	the	DT
45179	783	38	smaller	small	JJR
45179	783	39	part	part	NN
45179	783	40	of	of	IN
45179	783	41	the	the	DT
45179	783	42	current	current	NN
45179	783	43	from	from	IN
45179	783	44	the	the	DT
45179	783	45	battery	battery	NN
45179	783	46	.	.	.
45179	784	1	The	the	DT
45179	784	2	lower	low	JJR
45179	784	3	the	the	DT
45179	784	4	resistance	resistance	NN
45179	784	5	of	of	IN
45179	784	6	the	the	DT
45179	784	7	bonds	bond	NNS
45179	784	8	the	the	DT
45179	784	9	less	less	RBR
45179	784	10	variable	variable	NN
45179	784	11	will	will	MD
45179	784	12	be	be	VB
45179	784	13	the	the	DT
45179	784	14	rail	rail	NN
45179	784	15	resistance	resistance	NN
45179	784	16	.	.	.
45179	785	1	The	the	DT
45179	785	2	resistance	resistance	NN
45179	785	3	of	of	IN
45179	785	4	the	the	DT
45179	785	5	angle	angle	NN
45179	785	6	bars	bar	NNS
45179	785	7	increases	increase	VBZ
45179	785	8	greatly	greatly	RB
45179	785	9	as	as	IN
45179	785	10	rail	rail	NN
45179	785	11	resistance	resistance	NN
45179	785	12	increases	increase	VBZ
45179	785	13	,	,	,
45179	785	14	as	as	IN
45179	785	15	a	a	DT
45179	785	16	result	result	NN
45179	785	17	of	of	IN
45179	785	18	which	which	WDT
45179	785	19	the	the	DT
45179	785	20	angle	angle	NN
45179	785	21	bars	bar	NNS
45179	785	22	rapidly	rapidly	RB
45179	785	23	carry	carry	VBP
45179	785	24	less	less	JJR
45179	785	25	of	of	IN
45179	785	26	the	the	DT
45179	785	27	current	current	NN
45179	785	28	.	.	.
45179	786	1	It	-PRON-	PRP
45179	786	2	is	be	VBZ
45179	786	3	not	not	RB
45179	786	4	infrequent	infrequent	JJ
45179	786	5	to	to	TO
45179	786	6	find	find	VB
45179	786	7	the	the	DT
45179	786	8	rail	rail	NN
45179	786	9	resistance	resistance	NN
45179	786	10	to	to	TO
45179	786	11	be	be	VB
45179	786	12	as	as	RB
45179	786	13	high	high	JJ
45179	786	14	as	as	IN
45179	786	15	0.20	0.20	CD
45179	786	16	ohms	ohm	NNS
45179	786	17	per	per	IN
45179	786	18	1,000	1,000	CD
45179	786	19	ft	ft	NN
45179	786	20	.	.	NN
45179	786	21	of	of	IN
45179	786	22	track	track	NN
45179	786	23	,	,	,
45179	786	24	and	and	CC
45179	786	25	we	-PRON-	PRP
45179	786	26	have	have	VBP
45179	786	27	known	know	VBN
45179	786	28	it	-PRON-	PRP
45179	786	29	to	to	TO
45179	786	30	run	run	VB
45179	786	31	as	as	RB
45179	786	32	high	high	RB
45179	786	33	as	as	IN
45179	786	34	0.264	0.264	CD
45179	786	35	in	in	IN
45179	786	36	new	new	JJ
45179	786	37	rail	rail	NN
45179	786	38	,	,	,
45179	786	39	where	where	WRB
45179	786	40	especial	especial	JJ
45179	786	41	attention	attention	NN
45179	786	42	had	have	VBD
45179	786	43	been	be	VBN
45179	786	44	given	give	VBN
45179	786	45	to	to	IN
45179	786	46	obtaining	obtain	VBG
45179	786	47	as	as	IN
45179	786	48	good	good	JJ
45179	786	49	bonding	bonding	NN
45179	786	50	as	as	IN
45179	786	51	possible	possible	JJ
45179	786	52	.	.	.
45179	787	1	Under	under	IN
45179	787	2	such	such	JJ
45179	787	3	conditions	condition	NNS
45179	787	4	the	the	DT
45179	787	5	angle	angle	NN
45179	787	6	bar	bar	NN
45179	787	7	carries	carry	VBZ
45179	787	8	very	very	RB
45179	787	9	little	little	JJ
45179	787	10	of	of	IN
45179	787	11	the	the	DT
45179	787	12	current	current	NN
45179	787	13	,	,	,
45179	787	14	the	the	DT
45179	787	15	capacity	capacity	NN
45179	787	16	of	of	IN
45179	787	17	the	the	DT
45179	787	18	bond	bond	NN
45179	787	19	is	be	VBZ
45179	787	20	not	not	RB
45179	787	21	sufficient	sufficient	JJ
45179	787	22	to	to	TO
45179	787	23	carry	carry	VB
45179	787	24	the	the	DT
45179	787	25	current	current	NN
45179	787	26	,	,	,
45179	787	27	and	and	CC
45179	787	28	the	the	DT
45179	787	29	net	net	JJ
45179	787	30	result	result	NN
45179	787	31	is	be	VBZ
45179	787	32	a	a	DT
45179	787	33	failing	fail	VBG
45179	787	34	track	track	NN
45179	787	35	circuit	circuit	NN
45179	787	36	,	,	,
45179	787	37	which	which	WDT
45179	787	38	is	be	VBZ
45179	787	39	probably	probably	RB
45179	787	40	attributed	attribute	VBN
45179	787	41	to	to	IN
45179	787	42	bad	bad	JJ
45179	787	43	ballast	ballast	NN
45179	787	44	,	,	,
45179	787	45	zinc	zinc	NN
45179	787	46	treated	treat	VBD
45179	787	47	ties	tie	NNS
45179	787	48	or	or	CC
45179	787	49	other	other	JJ
45179	787	50	causes	cause	NNS
45179	787	51	.	.	.
45179	788	1	The	the	DT
45179	788	2	principal	principal	JJ
45179	788	3	defect	defect	NN
45179	788	4	in	in	IN
45179	788	5	the	the	DT
45179	788	6	track	track	NN
45179	788	7	circuit	circuit	NN
45179	788	8	is	be	VBZ
45179	788	9	that	that	DT
45179	788	10	of	of	IN
45179	788	11	improper	improper	JJ
45179	788	12	bonding	bonding	NN
45179	788	13	.	.	.
45179	789	1	The	the	DT
45179	789	2	only	only	JJ
45179	789	3	explanation	explanation	NN
45179	789	4	as	as	IN
45179	789	5	to	to	IN
45179	789	6	why	why	WRB
45179	789	7	No	no	UH
45179	789	8	.	.	.
45179	790	1	8	8	CD
45179	790	2	iron	iron	NN
45179	790	3	wires	wire	NNS
45179	790	4	became	become	VBD
45179	790	5	standard	standard	JJ
45179	790	6	for	for	IN
45179	790	7	bonding	bonding	NN
45179	790	8	appears	appear	VBZ
45179	790	9	to	to	TO
45179	790	10	be	be	VB
45179	790	11	that	that	IN
45179	790	12	the	the	DT
45179	790	13	bond	bond	NN
45179	790	14	wires	wire	NNS
45179	790	15	were	be	VBD
45179	790	16	cut	cut	VBN
45179	790	17	from	from	IN
45179	790	18	this	this	DT
45179	790	19	size	size	NN
45179	790	20	iron	iron	NN
45179	790	21	telegraph	telegraph	NN
45179	790	22	wire	wire	NN
45179	790	23	which	which	WDT
45179	790	24	was	be	VBD
45179	790	25	in	in	IN
45179	790	26	general	general	JJ
45179	790	27	use	use	NN
45179	790	28	at	at	IN
45179	790	29	the	the	DT
45179	790	30	time	time	NN
45179	790	31	rails	rail	NNS
45179	790	32	began	begin	VBD
45179	790	33	to	to	TO
45179	790	34	be	be	VB
45179	790	35	bonded	bond	VBN
45179	790	36	.	.	.
45179	791	1	It	-PRON-	PRP
45179	791	2	is	be	VBZ
45179	791	3	important	important	JJ
45179	791	4	to	to	TO
45179	791	5	obtain	obtain	VB
45179	791	6	better	well	JJR
45179	791	7	bonding	bonding	NN
45179	791	8	to	to	TO
45179	791	9	obtain	obtain	VB
45179	791	10	a	a	DT
45179	791	11	minimum	minimum	JJ
45179	791	12	constant	constant	JJ
45179	791	13	rail	rail	NN
45179	791	14	resistance	resistance	NN
45179	791	15	.	.	.
45179	792	1	It	-PRON-	PRP
45179	792	2	has	have	VBZ
45179	792	3	been	be	VBN
45179	792	4	recommended	recommend	VBN
45179	792	5	that	that	IN
45179	792	6	:	:	:
45179	792	7	First	first	RB
45179	792	8	--	--	:
45179	792	9	The	the	DT
45179	792	10	use	use	NN
45179	792	11	of	of	IN
45179	792	12	galvanized	galvanized	JJ
45179	792	13	wire	wire	NN
45179	792	14	bonds	bond	NNS
45179	792	15	should	should	MD
45179	792	16	be	be	VB
45179	792	17	eliminated	eliminate	VBN
45179	792	18	.	.	.
45179	793	1	Second	second	JJ
45179	793	2	--	--	.
45179	793	3	Forty	forty	CD
45179	793	4	per	per	IN
45179	793	5	cent	cent	NN
45179	793	6	.	.	.
45179	794	1	copper	copper	NN
45179	794	2	clad	clothe	VBN
45179	794	3	bond	bond	NN
45179	794	4	wires	wire	NNS
45179	794	5	should	should	MD
45179	794	6	be	be	VB
45179	794	7	used	use	VBN
45179	794	8	as	as	IN
45179	794	9	a	a	DT
45179	794	10	temporary	temporary	JJ
45179	794	11	expedient	expedient	NN
45179	794	12	to	to	TO
45179	794	13	replace	replace	VB
45179	794	14	galvanized	galvanized	JJ
45179	794	15	bond	bond	NN
45179	794	16	wires	wire	NNS
45179	794	17	.	.	.
45179	795	1	Third	third	JJ
45179	795	2	--	--	.
45179	795	3	Except	except	IN
45179	795	4	for	for	IN
45179	795	5	theft	theft	NN
45179	795	6	and	and	CC
45179	795	7	crystallization	crystallization	NN
45179	795	8	,	,	,
45179	795	9	copper	copper	NN
45179	795	10	bond	bond	NN
45179	795	11	wires	wire	NNS
45179	795	12	would	would	MD
45179	795	13	be	be	VB
45179	795	14	much	much	RB
45179	795	15	more	more	RBR
45179	795	16	advisable	advisable	JJ
45179	795	17	.	.	.
45179	796	1	Fourth	fourth	JJ
45179	796	2	--	--	:
45179	796	3	Larger	large	JJR
45179	796	4	bond	bond	NN
45179	796	5	wires	wire	NNS
45179	796	6	should	should	MD
45179	796	7	be	be	VB
45179	796	8	used	use	VBN
45179	796	9	,	,	,
45179	796	10	these	these	DT
45179	796	11	bonds	bond	NNS
45179	796	12	to	to	TO
45179	796	13	be	be	VB
45179	796	14	at	at	IN
45179	796	15	least	least	JJS
45179	796	16	equal	equal	JJ
45179	796	17	in	in	IN
45179	796	18	carrying	carry	VBG
45179	796	19	capacity	capacity	NN
45179	796	20	to	to	IN
45179	796	21	two	two	CD
45179	796	22	46-in	46-in	CD
45179	796	23	.	.	.
45179	797	1	No	no	UH
45179	797	2	.	.	.
45179	798	1	6	6	CD
45179	798	2	solid	solid	JJ
45179	798	3	copper	copper	NN
45179	798	4	or	or	CC
45179	798	5	to	to	IN
45179	798	6	two	two	CD
45179	798	7	No	no	UH
45179	798	8	.	.	.
45179	799	1	2	2	CD
45179	799	2	,	,	,
45179	799	3	40	40	CD
45179	799	4	per	per	NN
45179	799	5	cent	cent	NN
45179	799	6	.	.	.
45179	800	1	copper	copper	NN
45179	800	2	clad	clothe	VBN
45179	800	3	wires	wire	NNS
45179	800	4	.	.	.
45179	801	1	Until	until	IN
45179	801	2	recently	recently	RB
45179	801	3	it	-PRON-	PRP
45179	801	4	has	have	VBZ
45179	801	5	been	be	VBN
45179	801	6	the	the	DT
45179	801	7	general	general	JJ
45179	801	8	opinion	opinion	NN
45179	801	9	of	of	IN
45179	801	10	all	all	DT
45179	801	11	experts	expert	NNS
45179	801	12	on	on	IN
45179	801	13	the	the	DT
45179	801	14	track	track	NN
45179	801	15	circuit	circuit	NN
45179	801	16	that	that	IN
45179	801	17	the	the	DT
45179	801	18	rail	rail	NN
45179	801	19	resistance	resistance	NN
45179	801	20	was	be	VBD
45179	801	21	rather	rather	RB
45179	801	22	an	an	DT
45179	801	23	unimportant	unimportant	JJ
45179	801	24	factor	factor	NN
45179	801	25	and	and	CC
45179	801	26	that	that	IN
45179	801	27	,	,	,
45179	801	28	as	as	IN
45179	801	29	a	a	DT
45179	801	30	general	general	JJ
45179	801	31	rule	rule	NN
45179	801	32	,	,	,
45179	801	33	the	the	DT
45179	801	34	change	change	NN
45179	801	35	in	in	IN
45179	801	36	rail	rail	NN
45179	801	37	resistance	resistance	NN
45179	801	38	could	could	MD
45179	801	39	be	be	VB
45179	801	40	disregarded	disregard	VBN
45179	801	41	in	in	IN
45179	801	42	making	make	VBG
45179	801	43	track	track	NN
45179	801	44	circuit	circuit	NN
45179	801	45	investigations	investigation	NNS
45179	801	46	and	and	CC
45179	801	47	calculations	calculation	NNS
45179	801	48	.	.	.
45179	802	1	Many	many	JJ
45179	802	2	bad	bad	JJ
45179	802	3	track	track	NN
45179	802	4	circuit	circuit	NN
45179	802	5	conditions	condition	NNS
45179	802	6	have	have	VBP
45179	802	7	been	be	VBN
45179	802	8	laid	lay	VBN
45179	802	9	to	to	IN
45179	802	10	bad	bad	JJ
45179	802	11	ballast	ballast	NN
45179	802	12	conditions	condition	NNS
45179	802	13	,	,	,
45179	802	14	zinc	zinc	NN
45179	802	15	treated	treat	VBD
45179	802	16	ties	tie	NNS
45179	802	17	,	,	,
45179	802	18	wet	wet	JJ
45179	802	19	track	track	NN
45179	802	20	,	,	,
45179	802	21	etc	etc	FW
45179	802	22	.	.	FW
45179	802	23	,	,	,
45179	802	24	which	which	WDT
45179	802	25	,	,	,
45179	802	26	if	if	IN
45179	802	27	carefully	carefully	RB
45179	802	28	analyzed	analyze	VBN
45179	802	29	,	,	,
45179	802	30	would	would	MD
45179	802	31	have	have	VB
45179	802	32	shown	show	VBN
45179	802	33	the	the	DT
45179	802	34	trouble	trouble	NN
45179	802	35	to	to	TO
45179	802	36	be	be	VB
45179	802	37	due	due	IN
45179	802	38	to	to	IN
45179	802	39	extremely	extremely	RB
45179	802	40	high	high	JJ
45179	802	41	rail	rail	NN
45179	802	42	resistance	resistance	NN
45179	802	43	.	.	.
45179	803	1	These	these	DT
45179	803	2	faulty	faulty	JJ
45179	803	3	conclusions	conclusion	NNS
45179	803	4	are	be	VBP
45179	803	5	being	be	VBG
45179	803	6	drawn	draw	VBN
45179	803	7	nearly	nearly	RB
45179	803	8	every	every	DT
45179	803	9	day	day	NN
45179	803	10	.	.	.
45179	804	1	Single	single	JJ
45179	804	2	rail	rail	NN
45179	804	3	track	track	NN
45179	804	4	circuits	circuit	NNS
45179	804	5	,	,	,
45179	804	6	so	so	RB
45179	804	7	called	call	VBD
45179	804	8	from	from	IN
45179	804	9	the	the	DT
45179	804	10	fact	fact	NN
45179	804	11	that	that	IN
45179	804	12	but	but	CC
45179	804	13	one	one	CD
45179	804	14	rail	rail	NN
45179	804	15	is	be	VBZ
45179	804	16	insulated	insulate	VBN
45179	804	17	,	,	,
45179	804	18	are	be	VBP
45179	804	19	also	also	RB
45179	804	20	used	use	VBN
45179	804	21	.	.	.
45179	805	1	Installations	installation	NNS
45179	805	2	of	of	IN
45179	805	3	this	this	DT
45179	805	4	kind	kind	NN
45179	805	5	are	be	VBP
45179	805	6	made	make	VBN
45179	805	7	to	to	TO
45179	805	8	avoid	avoid	VB
45179	805	9	the	the	DT
45179	805	10	expense	expense	NN
45179	805	11	of	of	IN
45179	805	12	two	two	CD
45179	805	13	insulated	insulated	JJ
45179	805	14	joints	joint	NNS
45179	805	15	or	or	CC
45179	805	16	where	where	WRB
45179	805	17	one	one	CD
45179	805	18	rail	rail	NN
45179	805	19	is	be	VBZ
45179	805	20	needed	need	VBN
45179	805	21	for	for	IN
45179	805	22	another	another	DT
45179	805	23	circuit	circuit	NN
45179	805	24	.	.	.
45179	806	1	Such	such	JJ
45179	806	2	track	track	NN
45179	806	3	circuits	circuit	NNS
45179	806	4	are	be	VBP
45179	806	5	more	more	RBR
45179	806	6	liable	liable	JJ
45179	806	7	to	to	IN
45179	806	8	failure	failure	NN
45179	806	9	than	than	IN
45179	806	10	those	those	DT
45179	806	11	having	have	VBG
45179	806	12	both	both	DT
45179	806	13	rails	rail	NNS
45179	806	14	insulated	insulate	VBN
45179	806	15	for	for	IN
45179	806	16	the	the	DT
45179	806	17	reason	reason	NN
45179	806	18	that	that	IN
45179	806	19	the	the	DT
45179	806	20	break	break	NN
45179	806	21	-	-	HYPH
45179	806	22	down	down	NN
45179	806	23	of	of	IN
45179	806	24	one	one	CD
45179	806	25	insulated	insulate	VBN
45179	806	26	joint	joint	NN
45179	806	27	will	will	MD
45179	806	28	extend	extend	VB
45179	806	29	the	the	DT
45179	806	30	circuit	circuit	NN
45179	806	31	beyond	beyond	IN
45179	806	32	the	the	DT
45179	806	33	proper	proper	JJ
45179	806	34	limit	limit	NN
45179	806	35	and	and	CC
45179	806	36	cause	cause	VB
45179	806	37	interference	interference	NN
45179	806	38	of	of	IN
45179	806	39	neighboring	neighboring	NN
45179	806	40	circuits	circuit	NNS
45179	806	41	or	or	CC
45179	806	42	extended	extend	VBN
45179	806	43	shunting	shunting	NN
45179	806	44	of	of	IN
45179	806	45	the	the	DT
45179	806	46	relay	relay	NN
45179	806	47	,	,	,
45179	806	48	due	due	IN
45179	806	49	to	to	IN
45179	806	50	the	the	DT
45179	806	51	presence	presence	NN
45179	806	52	of	of	IN
45179	806	53	a	a	DT
45179	806	54	train	train	NN
45179	806	55	beyond	beyond	IN
45179	806	56	the	the	DT
45179	806	57	insulated	insulated	JJ
45179	806	58	joint	joint	NN
45179	806	59	.	.	.
45179	807	1	A	a	DT
45179	807	2	track	track	NN
45179	807	3	circuit	circuit	NN
45179	807	4	may	may	MD
45179	807	5	be	be	VB
45179	807	6	made	make	VBN
45179	807	7	to	to	TO
45179	807	8	perform	perform	VB
45179	807	9	two	two	CD
45179	807	10	separate	separate	JJ
45179	807	11	functions	function	NNS
45179	807	12	in	in	IN
45179	807	13	which	which	WDT
45179	807	14	the	the	DT
45179	807	15	direction	direction	NN
45179	807	16	or	or	CC
45179	807	17	polarity	polarity	NN
45179	807	18	as	as	RB
45179	807	19	well	well	RB
45179	807	20	as	as	IN
45179	807	21	the	the	DT
45179	807	22	presence	presence	NN
45179	807	23	of	of	IN
45179	807	24	current	current	NN
45179	807	25	is	be	VBZ
45179	807	26	made	make	VBN
45179	807	27	use	use	NN
45179	807	28	of	of	IN
45179	807	29	in	in	IN
45179	807	30	the	the	DT
45179	807	31	relay	relay	NN
45179	807	32	,	,	,
45179	807	33	provided	provide	VBD
45179	807	34	the	the	DT
45179	807	35	first	first	JJ
45179	807	36	or	or	CC
45179	807	37	principal	principal	JJ
45179	807	38	function	function	NN
45179	807	39	actuated	actuate	VBN
45179	807	40	by	by	IN
45179	807	41	the	the	DT
45179	807	42	presence	presence	NN
45179	807	43	or	or	CC
45179	807	44	absence	absence	NN
45179	807	45	of	of	IN
45179	807	46	current	current	NN
45179	807	47	does	do	VBZ
45179	807	48	not	not	RB
45179	807	49	interfere	interfere	VB
45179	807	50	with	with	IN
45179	807	51	the	the	DT
45179	807	52	secondary	secondary	JJ
45179	807	53	function	function	NN
45179	807	54	,	,	,
45179	807	55	actuated	actuate	VBN
45179	807	56	both	both	CC
45179	807	57	by	by	IN
45179	807	58	the	the	DT
45179	807	59	presence	presence	NN
45179	807	60	of	of	IN
45179	807	61	current	current	NN
45179	807	62	and	and	CC
45179	807	63	its	-PRON-	PRP$
45179	807	64	polarity	polarity	NN
45179	807	65	.	.	.
45179	808	1	Where	where	WRB
45179	808	2	switches	switch	NNS
45179	808	3	occur	occur	VBP
45179	808	4	in	in	IN
45179	808	5	a	a	DT
45179	808	6	track	track	NN
45179	808	7	circuit	circuit	NN
45179	808	8	,	,	,
45179	808	9	special	special	JJ
45179	808	10	means	mean	NNS
45179	808	11	must	must	MD
45179	808	12	be	be	VB
45179	808	13	employed	employ	VBN
45179	808	14	to	to	TO
45179	808	15	prevent	prevent	VB
45179	808	16	short	short	RB
45179	808	17	-	-	HYPH
45179	808	18	circuiting	circuit	VBG
45179	808	19	through	through	IN
45179	808	20	the	the	DT
45179	808	21	switch	switch	NN
45179	808	22	rods	rod	NNS
45179	808	23	and	and	CC
45179	808	24	leakage	leakage	NN
45179	808	25	of	of	IN
45179	808	26	current	current	NN
45179	808	27	to	to	IN
45179	808	28	the	the	DT
45179	808	29	turn	turn	VB
45179	808	30	-	-	HYPH
45179	808	31	out	out	RP
45179	808	32	rail	rail	NN
45179	808	33	.	.	.
45179	809	1	The	the	DT
45179	809	2	usual	usual	JJ
45179	809	3	method	method	NN
45179	809	4	is	be	VBZ
45179	809	5	the	the	DT
45179	809	6	use	use	NN
45179	809	7	of	of	IN
45179	809	8	insulated	insulated	JJ
45179	809	9	switch	switch	NN
45179	809	10	rods	rod	NNS
45179	809	11	with	with	IN
45179	809	12	insulated	insulated	JJ
45179	809	13	joints	joint	NNS
45179	809	14	in	in	IN
45179	809	15	the	the	DT
45179	809	16	leads	lead	NNS
45179	809	17	of	of	IN
45179	809	18	the	the	DT
45179	809	19	turnout	turnout	NN
45179	809	20	and	and	CC
45179	809	21	at	at	IN
45179	809	22	the	the	DT
45179	809	23	fouling	fouling	JJ
45179	809	24	point	point	NN
45179	809	25	of	of	IN
45179	809	26	the	the	DT
45179	809	27	turnout	turnout	NN
45179	809	28	.	.	.
45179	810	1	The	the	DT
45179	810	2	switch	switch	NN
45179	810	3	points	point	NNS
45179	810	4	are	be	VBP
45179	810	5	bonded	bond	VBN
45179	810	6	to	to	IN
45179	810	7	the	the	DT
45179	810	8	stock	stock	NN
45179	810	9	rails	rail	NNS
45179	810	10	to	to	TO
45179	810	11	insure	insure	VB
45179	810	12	shunting	shunt	VBG
45179	810	13	by	by	IN
45179	810	14	a	a	DT
45179	810	15	pair	pair	NN
45179	810	16	of	of	IN
45179	810	17	wheels	wheel	NNS
45179	810	18	on	on	IN
45179	810	19	any	any	DT
45179	810	20	part	part	NN
45179	810	21	of	of	IN
45179	810	22	the	the	DT
45179	810	23	track	track	NN
45179	810	24	.	.	.
45179	811	1	None	none	NN
45179	811	2	of	of	IN
45179	811	3	the	the	DT
45179	811	4	methods	method	NNS
45179	811	5	employed	employ	VBN
45179	811	6	in	in	IN
45179	811	7	running	run	VBG
45179	811	8	track	track	NN
45179	811	9	circuits	circuit	NNS
45179	811	10	through	through	IN
45179	811	11	switches	switch	NNS
45179	811	12	show	show	VBP
45179	811	13	any	any	DT
45179	811	14	protection	protection	NN
45179	811	15	against	against	IN
45179	811	16	an	an	DT
45179	811	17	open	open	JJ
45179	811	18	switch	switch	NN
45179	811	19	.	.	.
45179	812	1	In	in	IN
45179	812	2	order	order	NN
45179	812	3	to	to	TO
45179	812	4	obtain	obtain	VB
45179	812	5	this	this	DT
45179	812	6	protection	protection	NN
45179	812	7	a	a	DT
45179	812	8	switch	switch	NN
45179	812	9	instrument	instrument	NN
45179	812	10	or	or	CC
45179	812	11	switch	switch	NN
45179	812	12	box	box	NN
45179	812	13	is	be	VBZ
45179	812	14	used	use	VBN
45179	812	15	.	.	.
45179	813	1	This	this	DT
45179	813	2	consists	consist	VBZ
45179	813	3	of	of	IN
45179	813	4	a	a	DT
45179	813	5	device	device	NN
45179	813	6	with	with	IN
45179	813	7	electrical	electrical	JJ
45179	813	8	contacts	contact	NNS
45179	813	9	,	,	,
45179	813	10	the	the	DT
45179	813	11	whole	whole	NN
45179	813	12	mounted	mount	VBD
45179	813	13	on	on	IN
45179	813	14	a	a	DT
45179	813	15	switch	switch	NN
45179	813	16	timber	timber	NN
45179	813	17	and	and	CC
45179	813	18	connected	connect	VBN
45179	813	19	to	to	IN
45179	813	20	the	the	DT
45179	813	21	switch	switch	NN
45179	813	22	point	point	NN
45179	813	23	by	by	IN
45179	813	24	means	mean	NNS
45179	813	25	of	of	IN
45179	813	26	a	a	DT
45179	813	27	rod	rod	NN
45179	813	28	so	so	RB
45179	813	29	arranged	arrange	VBD
45179	813	30	that	that	IN
45179	813	31	when	when	WRB
45179	813	32	a	a	DT
45179	813	33	switch	switch	NN
45179	813	34	slips	slip	VBZ
45179	813	35	open	open	JJ
45179	813	36	or	or	CC
45179	813	37	is	be	VBZ
45179	813	38	thrown	throw	VBN
45179	813	39	open	open	JJ
45179	813	40	the	the	DT
45179	813	41	movement	movement	NN
45179	813	42	of	of	IN
45179	813	43	the	the	DT
45179	813	44	rod	rod	NN
45179	813	45	actuates	actuate	VBZ
45179	813	46	contacts	contact	NNS
45179	813	47	which	which	WDT
45179	813	48	,	,	,
45179	813	49	on	on	IN
45179	813	50	being	be	VBG
45179	813	51	closed	closed	JJ
45179	813	52	,	,	,
45179	813	53	form	form	VB
45179	813	54	a	a	DT
45179	813	55	closed	closed	JJ
45179	813	56	path	path	NN
45179	813	57	from	from	IN
45179	813	58	one	one	CD
45179	813	59	rail	rail	NN
45179	813	60	to	to	IN
45179	813	61	the	the	DT
45179	813	62	other	other	JJ
45179	813	63	through	through	IN
45179	813	64	wires	wire	NNS
45179	813	65	connecting	connect	VBG
45179	813	66	the	the	DT
45179	813	67	rails	rail	NNS
45179	813	68	to	to	IN
45179	813	69	the	the	DT
45179	813	70	contacts	contact	NNS
45179	813	71	,	,	,
45179	813	72	thus	thus	RB
45179	813	73	when	when	WRB
45179	813	74	the	the	DT
45179	813	75	contacts	contact	NNS
45179	813	76	are	be	VBP
45179	813	77	closed	close	VBN
45179	813	78	by	by	IN
45179	813	79	a	a	DT
45179	813	80	switch	switch	NN
45179	813	81	being	be	VBG
45179	813	82	opened	open	VBN
45179	813	83	,	,	,
45179	813	84	the	the	DT
45179	813	85	same	same	JJ
45179	813	86	effect	effect	NN
45179	813	87	is	be	VBZ
45179	813	88	produced	produce	VBN
45179	813	89	as	as	IN
45179	813	90	if	if	IN
45179	813	91	a	a	DT
45179	813	92	train	train	NN
45179	813	93	was	be	VBD
45179	813	94	on	on	IN
45179	813	95	the	the	DT
45179	813	96	circuit	circuit	NN
45179	813	97	,	,	,
45179	813	98	shunting	shunt	VBG
45179	813	99	it	-PRON-	PRP
45179	813	100	out	out	RP
45179	813	101	.	.	.
45179	814	1	On	on	IN
45179	814	2	electrically	electrically	RB
45179	814	3	operated	operate	VBN
45179	814	4	roads	road	NNS
45179	814	5	where	where	WRB
45179	814	6	tracks	track	NNS
45179	814	7	are	be	VBP
45179	814	8	bonded	bond	VBN
45179	814	9	for	for	IN
45179	814	10	the	the	DT
45179	814	11	return	return	NN
45179	814	12	propulsion	propulsion	NN
45179	814	13	current	current	JJ
45179	814	14	with	with	IN
45179	814	15	heavy	heavy	JJ
45179	814	16	copper	copper	NN
45179	814	17	bonds	bond	NNS
45179	814	18	,	,	,
45179	814	19	no	no	DT
45179	814	20	additional	additional	JJ
45179	814	21	bond	bond	NN
45179	814	22	wires	wire	NNS
45179	814	23	are	be	VBP
45179	814	24	necessary	necessary	JJ
45179	814	25	.	.	.
45179	815	1	The	the	DT
45179	815	2	Track	Track	NNP
45179	815	3	Battery	Battery	NNP
45179	815	4	The	the	DT
45179	815	5	usual	usual	JJ
45179	815	6	form	form	NN
45179	815	7	of	of	IN
45179	815	8	track	track	NN
45179	815	9	circuit	circuit	NN
45179	815	10	has	have	VBZ
45179	815	11	a	a	DT
45179	815	12	primary	primary	JJ
45179	815	13	battery	battery	NN
45179	815	14	at	at	IN
45179	815	15	one	one	CD
45179	815	16	end	end	NN
45179	815	17	of	of	IN
45179	815	18	the	the	DT
45179	815	19	insulated	insulated	JJ
45179	815	20	track	track	NN
45179	815	21	section	section	NN
45179	815	22	,	,	,
45179	815	23	with	with	IN
45179	815	24	the	the	DT
45179	815	25	positive	positive	JJ
45179	815	26	terminal	terminal	NN
45179	815	27	of	of	IN
45179	815	28	the	the	DT
45179	815	29	battery	battery	NN
45179	815	30	connected	connect	VBN
45179	815	31	to	to	IN
45179	815	32	one	one	CD
45179	815	33	rail	rail	NN
45179	815	34	and	and	CC
45179	815	35	the	the	DT
45179	815	36	negative	negative	JJ
45179	815	37	terminal	terminal	NN
45179	815	38	to	to	IN
45179	815	39	the	the	DT
45179	815	40	other	other	JJ
45179	815	41	,	,	,
45179	815	42	while	while	IN
45179	815	43	a	a	DT
45179	815	44	relay	relay	NN
45179	815	45	at	at	IN
45179	815	46	the	the	DT
45179	815	47	other	other	JJ
45179	815	48	end	end	NN
45179	815	49	of	of	IN
45179	815	50	the	the	DT
45179	815	51	section	section	NN
45179	815	52	is	be	VBZ
45179	815	53	connected	connect	VBN
45179	815	54	to	to	IN
45179	815	55	the	the	DT
45179	815	56	rails	rail	NNS
45179	815	57	in	in	IN
45179	815	58	a	a	DT
45179	815	59	similar	similar	JJ
45179	815	60	manner	manner	NN
45179	815	61	.	.	.
45179	816	1	Current	current	JJ
45179	816	2	flows	flow	VBZ
45179	816	3	from	from	IN
45179	816	4	the	the	DT
45179	816	5	positive	positive	JJ
45179	816	6	side	side	NN
45179	816	7	of	of	IN
45179	816	8	the	the	DT
45179	816	9	battery	battery	NN
45179	816	10	through	through	IN
45179	816	11	the	the	DT
45179	816	12	one	one	CD
45179	816	13	rail	rail	NN
45179	816	14	,	,	,
45179	816	15	the	the	DT
45179	816	16	relay	relay	NN
45179	816	17	and	and	CC
45179	816	18	the	the	DT
45179	816	19	other	other	JJ
45179	816	20	rail	rail	NN
45179	816	21	back	back	RB
45179	816	22	to	to	IN
45179	816	23	the	the	DT
45179	816	24	battery	battery	NN
45179	816	25	,	,	,
45179	816	26	thus	thus	RB
45179	816	27	keeping	keep	VBG
45179	816	28	the	the	DT
45179	816	29	relay	relay	NN
45179	816	30	energized	energize	VBN
45179	816	31	.	.	.
45179	817	1	For	for	IN
45179	817	2	d.c	d.c	NNP
45179	817	3	.	.	NNP
45179	817	4	track	track	NN
45179	817	5	circuits	circuit	NNS
45179	817	6	,	,	,
45179	817	7	four	four	CD
45179	817	8	types	type	NNS
45179	817	9	of	of	IN
45179	817	10	cells	cell	NNS
45179	817	11	have	have	VBP
45179	817	12	been	be	VBN
45179	817	13	used	use	VBN
45179	817	14	to	to	IN
45179	817	15	a	a	DT
45179	817	16	greater	great	JJR
45179	817	17	or	or	CC
45179	817	18	less	less	JJR
45179	817	19	extent	extent	NN
45179	817	20	,	,	,
45179	817	21	the	the	DT
45179	817	22	gravity	gravity	NN
45179	817	23	cell	cell	NN
45179	817	24	;	;	:
45179	817	25	Lalande	Lalande	NNP
45179	817	26	(	(	-LRB-
45179	817	27	soda	soda	NN
45179	817	28	)	)	-RRB-
45179	817	29	cell	cell	NN
45179	817	30	;	;	:
45179	817	31	storage	storage	NN
45179	817	32	cell	cell	NN
45179	817	33	and	and	CC
45179	817	34	dry	dry	JJ
45179	817	35	cell	cell	NN
45179	817	36	.	.	.
45179	818	1	The	the	DT
45179	818	2	gravity	gravity	NN
45179	818	3	cell	cell	NN
45179	818	4	has	have	VBZ
45179	818	5	a	a	DT
45179	818	6	voltage	voltage	NN
45179	818	7	of	of	IN
45179	818	8	about	about	RB
45179	818	9	0.8	0.8	CD
45179	818	10	or	or	CC
45179	818	11	0.9	0.9	CD
45179	818	12	volts	volt	NNS
45179	818	13	,	,	,
45179	818	14	the	the	DT
45179	818	15	resistance	resistance	NN
45179	818	16	varying	vary	VBG
45179	818	17	with	with	IN
45179	818	18	the	the	DT
45179	818	19	manner	manner	NN
45179	818	20	in	in	IN
45179	818	21	which	which	WDT
45179	818	22	the	the	DT
45179	818	23	cell	cell	NN
45179	818	24	is	be	VBZ
45179	818	25	maintained	maintain	VBN
45179	818	26	and	and	CC
45179	818	27	averaging	average	VBG
45179	818	28	about	about	IN
45179	818	29	3	3	CD
45179	818	30	ohms	ohm	NNS
45179	818	31	.	.	.
45179	819	1	It	-PRON-	PRP
45179	819	2	will	will	MD
45179	819	3	remain	remain	VB
45179	819	4	active	active	JJ
45179	819	5	for	for	IN
45179	819	6	long	long	JJ
45179	819	7	periods	period	NNS
45179	819	8	on	on	IN
45179	819	9	closed	closed	JJ
45179	819	10	circuits	circuit	NNS
45179	819	11	without	without	IN
45179	819	12	appreciable	appreciable	JJ
45179	819	13	polarization	polarization	NN
45179	819	14	.	.	.
45179	820	1	Because	because	IN
45179	820	2	of	of	IN
45179	820	3	this	this	DT
45179	820	4	high	high	JJ
45179	820	5	internal	internal	JJ
45179	820	6	resistance	resistance	NN
45179	820	7	usually	usually	RB
45179	820	8	no	no	DT
45179	820	9	external	external	JJ
45179	820	10	resistance	resistance	NN
45179	820	11	is	be	VBZ
45179	820	12	necessary	necessary	JJ
45179	820	13	to	to	TO
45179	820	14	be	be	VB
45179	820	15	connected	connect	VBN
45179	820	16	between	between	IN
45179	820	17	it	-PRON-	PRP
45179	820	18	and	and	CC
45179	820	19	the	the	DT
45179	820	20	rail	rail	NN
45179	820	21	of	of	IN
45179	820	22	the	the	DT
45179	820	23	track	track	NN
45179	820	24	.	.	.
45179	821	1	The	the	DT
45179	821	2	e.m.f	e.m.f	NN
45179	821	3	.	.	.
45179	822	1	of	of	IN
45179	822	2	the	the	DT
45179	822	3	Lalande	Lalande	NNP
45179	822	4	(	(	-LRB-
45179	822	5	soda	soda	NN
45179	822	6	)	)	-RRB-
45179	822	7	cell	cell	NN
45179	822	8	may	may	MD
45179	822	9	vary	vary	VB
45179	822	10	from	from	IN
45179	822	11	about	about	IN
45179	822	12	0.67	0.67	CD
45179	822	13	volts	volt	NNS
45179	822	14	to	to	IN
45179	822	15	0.88	0.88	CD
45179	822	16	volts	volt	NNS
45179	822	17	while	while	IN
45179	822	18	the	the	DT
45179	822	19	internal	internal	JJ
45179	822	20	resistance	resistance	NN
45179	822	21	will	will	MD
45179	822	22	range	range	VB
45179	822	23	between	between	IN
45179	822	24	0.019	0.019	CD
45179	822	25	ohm	ohm	NN
45179	822	26	to	to	IN
45179	822	27	0.4	0.4	CD
45179	822	28	ohm	ohm	NN
45179	822	29	.	.	.
45179	823	1	Because	because	IN
45179	823	2	of	of	IN
45179	823	3	the	the	DT
45179	823	4	low	low	JJ
45179	823	5	internal	internal	JJ
45179	823	6	resistance	resistance	NN
45179	823	7	of	of	IN
45179	823	8	these	these	DT
45179	823	9	cells	cell	NNS
45179	823	10	it	-PRON-	PRP
45179	823	11	is	be	VBZ
45179	823	12	necessary	necessary	JJ
45179	823	13	to	to	TO
45179	823	14	use	use	VB
45179	823	15	an	an	DT
45179	823	16	external	external	JJ
45179	823	17	resistance	resistance	NN
45179	823	18	of	of	IN
45179	823	19	the	the	DT
45179	823	20	proper	proper	JJ
45179	823	21	value	value	NN
45179	823	22	between	between	IN
45179	823	23	the	the	DT
45179	823	24	cell	cell	NN
45179	823	25	and	and	CC
45179	823	26	the	the	DT
45179	823	27	rail	rail	NN
45179	823	28	.	.	.
45179	824	1	The	the	DT
45179	824	2	storage	storage	NN
45179	824	3	cell	cell	NN
45179	824	4	is	be	VBZ
45179	824	5	made	make	VBN
45179	824	6	in	in	IN
45179	824	7	various	various	JJ
45179	824	8	capacities	capacity	NNS
45179	824	9	and	and	CC
45179	824	10	a	a	DT
45179	824	11	fully	fully	RB
45179	824	12	charged	charge	VBN
45179	824	13	cell	cell	NN
45179	824	14	on	on	IN
45179	824	15	open	open	JJ
45179	824	16	circuit	circuit	NN
45179	824	17	has	have	VBZ
45179	824	18	a	a	DT
45179	824	19	voltage	voltage	NN
45179	824	20	of	of	IN
45179	824	21	approximately	approximately	RB
45179	824	22	2.1	2.1	CD
45179	824	23	volts	volt	NNS
45179	824	24	which	which	WDT
45179	824	25	,	,	,
45179	824	26	when	when	WRB
45179	824	27	placed	place	VBN
45179	824	28	on	on	IN
45179	824	29	discharge	discharge	NN
45179	824	30	,	,	,
45179	824	31	becomes	become	VBZ
45179	824	32	approximately	approximately	RB
45179	824	33	2	2	CD
45179	824	34	volts	volt	NNS
45179	824	35	and	and	CC
45179	824	36	drops	drop	NNS
45179	824	37	to	to	IN
45179	824	38	about	about	IN
45179	824	39	1.8	1.8	CD
45179	824	40	volts	volt	NNS
45179	824	41	when	when	WRB
45179	824	42	completely	completely	RB
45179	824	43	discharged	discharge	VBN
45179	824	44	.	.	.
45179	825	1	The	the	DT
45179	825	2	voltage	voltage	NN
45179	825	3	in	in	IN
45179	825	4	this	this	DT
45179	825	5	type	type	NN
45179	825	6	of	of	IN
45179	825	7	cell	cell	NN
45179	825	8	varies	vary	VBZ
45179	825	9	with	with	IN
45179	825	10	the	the	DT
45179	825	11	density	density	NN
45179	825	12	of	of	IN
45179	825	13	the	the	DT
45179	825	14	electrolyte	electrolyte	NNP
45179	825	15	and	and	CC
45179	825	16	to	to	IN
45179	825	17	a	a	DT
45179	825	18	certain	certain	JJ
45179	825	19	extent	extent	NN
45179	825	20	with	with	IN
45179	825	21	temperature	temperature	NN
45179	825	22	.	.	.
45179	826	1	It	-PRON-	PRP
45179	826	2	has	have	VBZ
45179	826	3	practically	practically	RB
45179	826	4	a	a	DT
45179	826	5	negligible	negligible	JJ
45179	826	6	internal	internal	JJ
45179	826	7	resistance	resistance	NN
45179	826	8	and	and	CC
45179	826	9	it	-PRON-	PRP
45179	826	10	is	be	VBZ
45179	826	11	also	also	RB
45179	826	12	necessary	necessary	JJ
45179	826	13	to	to	TO
45179	826	14	use	use	VB
45179	826	15	an	an	DT
45179	826	16	external	external	JJ
45179	826	17	resistance	resistance	NN
45179	826	18	in	in	IN
45179	826	19	the	the	DT
45179	826	20	leads	lead	NNS
45179	826	21	between	between	IN
45179	826	22	the	the	DT
45179	826	23	cell	cell	NN
45179	826	24	and	and	CC
45179	826	25	the	the	DT
45179	826	26	track	track	NN
45179	826	27	to	to	TO
45179	826	28	prevent	prevent	VB
45179	826	29	a	a	DT
45179	826	30	flow	flow	NN
45179	826	31	of	of	IN
45179	826	32	excessive	excessive	JJ
45179	826	33	current	current	NN
45179	826	34	when	when	WRB
45179	826	35	a	a	DT
45179	826	36	train	train	NN
45179	826	37	occupies	occupy	VBZ
45179	826	38	the	the	DT
45179	826	39	track	track	NN
45179	826	40	.	.	.
45179	827	1	The	the	DT
45179	827	2	dry	dry	JJ
45179	827	3	cell	cell	NN
45179	827	4	is	be	VBZ
45179	827	5	used	use	VBN
45179	827	6	only	only	RB
45179	827	7	in	in	IN
45179	827	8	emergency	emergency	NN
45179	827	9	cases	case	NNS
45179	827	10	or	or	CC
45179	827	11	occasionally	occasionally	RB
45179	827	12	for	for	IN
45179	827	13	open	open	JJ
45179	827	14	circuit	circuit	NN
45179	827	15	track	track	NN
45179	827	16	circuits	circuit	NNS
45179	827	17	of	of	IN
45179	827	18	2	2	CD
45179	827	19	or	or	CC
45179	827	20	3	3	CD
45179	827	21	rail	rail	NN
45179	827	22	lengths	length	NNS
45179	827	23	,	,	,
45179	827	24	which	which	WDT
45179	827	25	are	be	VBP
45179	827	26	sometimes	sometimes	RB
45179	827	27	used	use	VBN
45179	827	28	as	as	IN
45179	827	29	annunciator	annunciator	NN
45179	827	30	starts	start	VBZ
45179	827	31	to	to	TO
45179	827	32	announce	announce	VB
45179	827	33	the	the	DT
45179	827	34	approach	approach	NN
45179	827	35	of	of	IN
45179	827	36	a	a	DT
45179	827	37	train	train	NN
45179	827	38	to	to	IN
45179	827	39	a	a	DT
45179	827	40	tower	tower	NN
45179	827	41	-	-	HYPH
45179	827	42	man	man	NN
45179	827	43	.	.	.
45179	828	1	It	-PRON-	PRP
45179	828	2	is	be	VBZ
45179	828	3	designed	design	VBN
45179	828	4	primarily	primarily	RB
45179	828	5	for	for	IN
45179	828	6	open	open	JJ
45179	828	7	circuit	circuit	NN
45179	828	8	work	work	NN
45179	828	9	and	and	CC
45179	828	10	will	will	MD
45179	828	11	polarize	polarize	VB
45179	828	12	when	when	WRB
45179	828	13	current	current	JJ
45179	828	14	beyond	beyond	IN
45179	828	15	a	a	DT
45179	828	16	certain	certain	JJ
45179	828	17	figure	figure	NN
45179	828	18	is	be	VBZ
45179	828	19	drawn	draw	VBN
45179	828	20	continuously	continuously	RB
45179	828	21	from	from	IN
45179	828	22	it	-PRON-	PRP
45179	828	23	.	.	.
45179	829	1	The	the	DT
45179	829	2	Track	Track	NNP
45179	829	3	Relay	relay	NN
45179	829	4	The	the	DT
45179	829	5	track	track	NN
45179	829	6	relay	relay	NN
45179	829	7	is	be	VBZ
45179	829	8	a	a	DT
45179	829	9	development	development	NN
45179	829	10	of	of	IN
45179	829	11	the	the	DT
45179	829	12	instrument	instrument	NN
45179	829	13	of	of	IN
45179	829	14	the	the	DT
45179	829	15	same	same	JJ
45179	829	16	name	name	NN
45179	829	17	used	use	VBN
45179	829	18	in	in	IN
45179	829	19	telegraph	telegraph	NN
45179	829	20	service	service	NN
45179	829	21	.	.	.
45179	830	1	It	-PRON-	PRP
45179	830	2	consists	consist	VBZ
45179	830	3	of	of	IN
45179	830	4	an	an	DT
45179	830	5	electro	electro	JJ
45179	830	6	-	-	HYPH
45179	830	7	magnet	magnet	NN
45179	830	8	of	of	IN
45179	830	9	the	the	DT
45179	830	10	horseshoe	horseshoe	NNP
45179	830	11	type	type	NN
45179	830	12	with	with	IN
45179	830	13	a	a	DT
45179	830	14	pivoted	pivoted	JJ
45179	830	15	armature	armature	NN
45179	830	16	,	,	,
45179	830	17	carrying	carry	VBG
45179	830	18	one	one	CD
45179	830	19	or	or	CC
45179	830	20	more	more	JJR
45179	830	21	fingers	finger	NNS
45179	830	22	for	for	IN
45179	830	23	making	make	VBG
45179	830	24	or	or	CC
45179	830	25	breaking	break	VBG
45179	830	26	electric	electric	JJ
45179	830	27	circuits	circuit	NNS
45179	830	28	for	for	IN
45179	830	29	the	the	DT
45179	830	30	control	control	NN
45179	830	31	of	of	IN
45179	830	32	signal	signal	NNP
45179	830	33	apparatus	apparatus	NNP
45179	830	34	.	.	.
45179	831	1	Track	track	NN
45179	831	2	relays	relay	NNS
45179	831	3	with	with	IN
45179	831	4	resistances	resistance	NNS
45179	831	5	of	of	IN
45179	831	6	2	2	CD
45179	831	7	and	and	CC
45179	831	8	4	4	CD
45179	831	9	ohms	ohm	NNS
45179	831	10	are	be	VBP
45179	831	11	usually	usually	RB
45179	831	12	employed	employ	VBN
45179	831	13	.	.	.
45179	832	1	From	from	IN
45179	832	2	experience	experience	NN
45179	832	3	with	with	IN
45179	832	4	two	two	CD
45179	832	5	-	-	HYPH
45179	832	6	ohm	ohm	NN
45179	832	7	relays	relay	NNS
45179	832	8	on	on	IN
45179	832	9	the	the	DT
45179	832	10	L.	L.	NNP
45179	832	11	&	&	CC
45179	832	12	N.	N.	NNP
45179	832	13	,	,	,
45179	832	14	covering	cover	VBG
45179	832	15	a	a	DT
45179	832	16	great	great	JJ
45179	832	17	many	many	JJ
45179	832	18	of	of	IN
45179	832	19	them	-PRON-	PRP
45179	832	20	on	on	IN
45179	832	21	all	all	DT
45179	832	22	kinds	kind	NNS
45179	832	23	of	of	IN
45179	832	24	circuits	circuit	NNS
45179	832	25	,	,	,
45179	832	26	the	the	DT
45179	832	27	following	follow	VBG
45179	832	28	conclusions	conclusion	NNS
45179	832	29	are	be	VBP
45179	832	30	reached	reach	VBN
45179	832	31	:	:	:
45179	832	32	The	the	DT
45179	832	33	two	two	CD
45179	832	34	-	-	HYPH
45179	832	35	ohm	ohm	NN
45179	832	36	relay	relay	NN
45179	832	37	is	be	VBZ
45179	832	38	more	more	RBR
45179	832	39	suitable	suitable	JJ
45179	832	40	for	for	IN
45179	832	41	general	general	JJ
45179	832	42	use	use	NN
45179	832	43	on	on	IN
45179	832	44	track	track	NN
45179	832	45	circuits	circuit	NNS
45179	832	46	than	than	IN
45179	832	47	the	the	DT
45179	832	48	four	four	CD
45179	832	49	-	-	HYPH
45179	832	50	ohm	ohm	NN
45179	832	51	,	,	,
45179	832	52	provided	provide	VBN
45179	832	53	not	not	RB
45179	832	54	less	less	JJR
45179	832	55	than	than	IN
45179	832	56	the	the	DT
45179	832	57	R.S.A.	R.S.A.	NNP
45179	833	1	recommended	recommend	VBN
45179	833	2	limiting	limit	VBG
45179	833	3	resistance	resistance	NN
45179	833	4	is	be	VBZ
45179	833	5	used	use	VBN
45179	833	6	between	between	IN
45179	833	7	the	the	DT
45179	833	8	battery	battery	NN
45179	833	9	and	and	CC
45179	833	10	track	track	NN
45179	833	11	.	.	.
45179	834	1	The	the	DT
45179	834	2	two	two	CD
45179	834	3	-	-	HYPH
45179	834	4	ohm	ohm	NN
45179	834	5	relay	relay	NN
45179	834	6	will	will	MD
45179	834	7	operate	operate	VB
45179	834	8	satisfactorily	satisfactorily	RB
45179	834	9	where	where	WRB
45179	834	10	the	the	DT
45179	834	11	four	four	CD
45179	834	12	-	-	HYPH
45179	834	13	ohm	ohm	NN
45179	834	14	will	will	MD
45179	834	15	not	not	RB
45179	834	16	on	on	IN
45179	834	17	bad	bad	JJ
45179	834	18	track	track	NN
45179	834	19	circuits	circuit	NNS
45179	834	20	,	,	,
45179	834	21	and	and	CC
45179	834	22	with	with	IN
45179	834	23	considerably	considerably	RB
45179	834	24	less	less	RBR
45179	834	25	current	current	JJ
45179	834	26	consumption	consumption	NN
45179	834	27	.	.	.
45179	835	1	The	the	DT
45179	835	2	two	two	CD
45179	835	3	-	-	HYPH
45179	835	4	ohm	ohm	NN
45179	835	5	relay	relay	NN
45179	835	6	will	will	MD
45179	835	7	operate	operate	VB
45179	835	8	equally	equally	RB
45179	835	9	as	as	RB
45179	835	10	well	well	RB
45179	835	11	on	on	IN
45179	835	12	good	good	JJ
45179	835	13	track	track	NN
45179	835	14	circuits	circuit	NNS
45179	835	15	of	of	IN
45179	835	16	average	average	JJ
45179	835	17	length	length	NN
45179	835	18	as	as	IN
45179	835	19	the	the	DT
45179	835	20	four	four	CD
45179	835	21	-	-	HYPH
45179	835	22	ohm	ohm	NN
45179	835	23	,	,	,
45179	835	24	there	there	EX
45179	835	25	being	be	VBG
45179	835	26	little	little	JJ
45179	835	27	difference	difference	NN
45179	835	28	in	in	IN
45179	835	29	current	current	JJ
45179	835	30	consumption	consumption	NN
45179	835	31	on	on	IN
45179	835	32	this	this	DT
45179	835	33	class	class	NN
45179	835	34	of	of	IN
45179	835	35	circuit	circuit	NN
45179	835	36	.	.	.
45179	836	1	Under	under	IN
45179	836	2	the	the	DT
45179	836	3	same	same	JJ
45179	836	4	conditions	condition	NNS
45179	836	5	longer	long	RBR
45179	836	6	track	track	VBP
45179	836	7	circuits	circuit	NNS
45179	836	8	may	may	MD
45179	836	9	be	be	VB
45179	836	10	operated	operate	VBN
45179	836	11	with	with	IN
45179	836	12	the	the	DT
45179	836	13	two	two	CD
45179	836	14	-	-	HYPH
45179	836	15	ohm	ohm	NN
45179	836	16	relay	relay	NN
45179	836	17	.	.	.
45179	837	1	The	the	DT
45179	837	2	two	two	CD
45179	837	3	-	-	HYPH
45179	837	4	ohm	ohm	NN
45179	837	5	relay	relay	NN
45179	837	6	is	be	VBZ
45179	837	7	at	at	IN
45179	837	8	least	least	JJS
45179	837	9	as	as	RB
45179	837	10	safe	safe	JJ
45179	837	11	as	as	IN
45179	837	12	the	the	DT
45179	837	13	four	four	CD
45179	837	14	ohm	ohm	NN
45179	837	15	.	.	.
45179	838	1	It	-PRON-	PRP
45179	838	2	should	should	MD
45179	838	3	be	be	VB
45179	838	4	thoroughly	thoroughly	RB
45179	838	5	understood	understand	VBN
45179	838	6	that	that	IN
45179	838	7	it	-PRON-	PRP
45179	838	8	is	be	VBZ
45179	838	9	as	as	RB
45179	838	10	important	important	JJ
45179	838	11	with	with	IN
45179	838	12	the	the	DT
45179	838	13	four	four	CD
45179	838	14	-	-	HYPH
45179	838	15	ohm	ohm	NN
45179	838	16	relay	relay	NN
45179	838	17	as	as	IN
45179	838	18	it	-PRON-	PRP
45179	838	19	is	be	VBZ
45179	838	20	with	with	IN
45179	838	21	the	the	DT
45179	838	22	two	two	CD
45179	838	23	-	-	HYPH
45179	838	24	ohm	ohm	NN
45179	838	25	relay	relay	NN
45179	838	26	to	to	TO
45179	838	27	have	have	VB
45179	838	28	not	not	RB
45179	838	29	less	less	JJR
45179	838	30	than	than	IN
45179	838	31	the	the	DT
45179	838	32	R.S.A.	R.S.A.	NNP
45179	839	1	recommended	recommend	VBN
45179	839	2	limiting	limit	VBG
45179	839	3	resistance	resistance	NN
45179	839	4	between	between	IN
45179	839	5	the	the	DT
45179	839	6	battery	battery	NN
45179	839	7	and	and	CC
45179	839	8	track	track	NN
45179	839	9	.	.	.
45179	840	1	This	this	DT
45179	840	2	is	be	VBZ
45179	840	3	important	important	JJ
45179	840	4	with	with	IN
45179	840	5	any	any	DT
45179	840	6	kind	kind	NN
45179	840	7	of	of	IN
45179	840	8	low	low	JJ
45179	840	9	internal	internal	JJ
45179	840	10	resistance	resistance	NN
45179	840	11	battery	battery	NN
45179	840	12	,	,	,
45179	840	13	and	and	CC
45179	840	14	under	under	IN
45179	840	15	certain	certain	JJ
45179	840	16	conditions	condition	NNS
45179	840	17	with	with	IN
45179	840	18	gravity	gravity	NN
45179	840	19	battery	battery	NN
45179	840	20	also	also	RB
45179	840	21	.	.	.
45179	841	1	In	in	IN
45179	841	2	one	one	CD
45179	841	3	case	case	NN
45179	841	4	assume	assume	VB
45179	841	5	a	a	DT
45179	841	6	train	train	NN
45179	841	7	to	to	TO
45179	841	8	be	be	VB
45179	841	9	passing	pass	VBG
45179	841	10	from	from	IN
45179	841	11	the	the	DT
45179	841	12	relay	relay	NN
45179	841	13	end	end	NN
45179	841	14	to	to	IN
45179	841	15	the	the	DT
45179	841	16	battery	battery	NN
45179	841	17	end	end	NN
45179	841	18	of	of	IN
45179	841	19	a	a	DT
45179	841	20	track	track	NN
45179	841	21	section	section	NN
45179	841	22	and	and	CC
45179	841	23	in	in	IN
45179	841	24	the	the	DT
45179	841	25	other	other	JJ
45179	841	26	case	case	NN
45179	841	27	from	from	IN
45179	841	28	the	the	DT
45179	841	29	battery	battery	NN
45179	841	30	end	end	NN
45179	841	31	to	to	IN
45179	841	32	the	the	DT
45179	841	33	relay	relay	NN
45179	841	34	end	end	NN
45179	841	35	.	.	.
45179	842	1	The	the	DT
45179	842	2	effect	effect	NN
45179	842	3	accomplished	accomplish	VBN
45179	842	4	is	be	VBZ
45179	842	5	the	the	DT
45179	842	6	same	same	JJ
45179	842	7	except	except	IN
45179	842	8	that	that	IN
45179	842	9	the	the	DT
45179	842	10	relay	relay	NN
45179	842	11	will	will	MD
45179	842	12	not	not	RB
45179	842	13	release	release	VB
45179	842	14	so	so	RB
45179	842	15	quickly	quickly	RB
45179	842	16	when	when	WRB
45179	842	17	the	the	DT
45179	842	18	train	train	NN
45179	842	19	passes	pass	VBZ
45179	842	20	from	from	IN
45179	842	21	the	the	DT
45179	842	22	battery	battery	NN
45179	842	23	end	end	NN
45179	842	24	towards	towards	IN
45179	842	25	the	the	DT
45179	842	26	relay	relay	NN
45179	842	27	end	end	NN
45179	842	28	,	,	,
45179	842	29	and	and	CC
45179	842	30	this	this	DT
45179	842	31	is	be	VBZ
45179	842	32	in	in	IN
45179	842	33	part	part	NN
45179	842	34	due	due	IN
45179	842	35	to	to	IN
45179	842	36	the	the	DT
45179	842	37	self	self	NN
45179	842	38	-	-	HYPH
45179	842	39	induction	induction	NN
45179	842	40	of	of	IN
45179	842	41	the	the	DT
45179	842	42	circuit	circuit	NN
45179	842	43	through	through	IN
45179	842	44	the	the	DT
45179	842	45	relay	relay	NN
45179	842	46	coils	coil	NNS
45179	842	47	,	,	,
45179	842	48	the	the	DT
45179	842	49	rails	rail	NNS
45179	842	50	and	and	CC
45179	842	51	the	the	DT
45179	842	52	axles	axle	NNS
45179	842	53	of	of	IN
45179	842	54	the	the	DT
45179	842	55	train	train	NN
45179	842	56	.	.	.
45179	843	1	It	-PRON-	PRP
45179	843	2	is	be	VBZ
45179	843	3	due	due	JJ
45179	843	4	more	more	JJR
45179	843	5	,	,	,
45179	843	6	however	however	RB
45179	843	7	,	,	,
45179	843	8	to	to	IN
45179	843	9	small	small	JJ
45179	843	10	current	current	JJ
45179	843	11	leakage	leakage	NN
45179	843	12	from	from	IN
45179	843	13	the	the	DT
45179	843	14	adjacent	adjacent	JJ
45179	843	15	section	section	NN
45179	843	16	and	and	CC
45179	843	17	the	the	DT
45179	843	18	effects	effect	NNS
45179	843	19	of	of	IN
45179	843	20	stray	stray	JJ
45179	843	21	currents	current	NNS
45179	843	22	which	which	WDT
45179	843	23	are	be	VBP
45179	843	24	always	always	RB
45179	843	25	present	present	JJ
45179	843	26	to	to	IN
45179	843	27	a	a	DT
45179	843	28	greater	great	JJR
45179	843	29	or	or	CC
45179	843	30	less	less	JJR
45179	843	31	degree	degree	NN
45179	843	32	.	.	.
45179	844	1	A	a	DT
45179	844	2	broken	broken	JJ
45179	844	3	rail	rail	NN
45179	844	4	will	will	MD
45179	844	5	also	also	RB
45179	844	6	generally	generally	RB
45179	844	7	open	open	VB
45179	844	8	the	the	DT
45179	844	9	circuit	circuit	NN
45179	844	10	and	and	CC
45179	844	11	de	de	NN
45179	844	12	-	-	NN
45179	844	13	energize	energize	VB
45179	844	14	the	the	DT
45179	844	15	relay	relay	NN
45179	844	16	.	.	.
45179	845	1	Circuits	circuit	NNS
45179	845	2	for	for	IN
45179	845	3	the	the	DT
45179	845	4	control	control	NN
45179	845	5	of	of	IN
45179	845	6	the	the	DT
45179	845	7	various	various	JJ
45179	845	8	signal	signal	NN
45179	845	9	devices	device	NNS
45179	845	10	are	be	VBP
45179	845	11	broken	break	VBN
45179	845	12	through	through	IN
45179	845	13	the	the	DT
45179	845	14	contact	contact	NN
45179	845	15	points	point	NNS
45179	845	16	of	of	IN
45179	845	17	the	the	DT
45179	845	18	track	track	NN
45179	845	19	relay	relay	NN
45179	845	20	.	.	.
45179	846	1	Track	Track	NNP
45179	846	2	Circuit	Circuit	NNP
45179	846	3	Maintenance	Maintenance	NNP
45179	846	4	Cross	Cross	NNP
45179	846	5	ties	tie	NNS
45179	846	6	have	have	VBP
45179	846	7	a	a	DT
45179	846	8	relatively	relatively	RB
45179	846	9	high	high	JJ
45179	846	10	resistance	resistance	NN
45179	846	11	to	to	IN
45179	846	12	the	the	DT
45179	846	13	passage	passage	NN
45179	846	14	of	of	IN
45179	846	15	electric	electric	JJ
45179	846	16	current	current	NN
45179	846	17	,	,	,
45179	846	18	but	but	CC
45179	846	19	when	when	WRB
45179	846	20	a	a	DT
45179	846	21	large	large	JJ
45179	846	22	number	number	NN
45179	846	23	connect	connect	VBP
45179	846	24	the	the	DT
45179	846	25	rails	rail	NNS
45179	846	26	many	many	JJ
45179	846	27	multiple	multiple	JJ
45179	846	28	paths	path	NNS
45179	846	29	are	be	VBP
45179	846	30	introduced	introduce	VBN
45179	846	31	into	into	IN
45179	846	32	the	the	DT
45179	846	33	circuit	circuit	NN
45179	846	34	through	through	IN
45179	846	35	which	which	WDT
45179	846	36	the	the	DT
45179	846	37	current	current	NN
45179	846	38	may	may	MD
45179	846	39	flow	flow	VB
45179	846	40	from	from	IN
45179	846	41	one	one	CD
45179	846	42	rail	rail	NN
45179	846	43	to	to	IN
45179	846	44	the	the	DT
45179	846	45	other	other	JJ
45179	846	46	,	,	,
45179	846	47	and	and	CC
45179	846	48	,	,	,
45179	846	49	considering	consider	VBG
45179	846	50	them	-PRON-	PRP
45179	846	51	as	as	IN
45179	846	52	a	a	DT
45179	846	53	whole	whole	NN
45179	846	54	,	,	,
45179	846	55	the	the	DT
45179	846	56	resistance	resistance	NN
45179	846	57	they	-PRON-	PRP
45179	846	58	offer	offer	VBP
45179	846	59	to	to	IN
45179	846	60	the	the	DT
45179	846	61	passage	passage	NN
45179	846	62	of	of	IN
45179	846	63	the	the	DT
45179	846	64	current	current	JJ
45179	846	65	reaches	reach	VBZ
45179	846	66	a	a	DT
45179	846	67	relatively	relatively	RB
45179	846	68	low	low	JJ
45179	846	69	value	value	NN
45179	846	70	.	.	.
45179	847	1	Consequently	consequently	RB
45179	847	2	there	there	EX
45179	847	3	is	be	VBZ
45179	847	4	always	always	RB
45179	847	5	a	a	DT
45179	847	6	current	current	JJ
45179	847	7	leakage	leakage	NN
45179	847	8	from	from	IN
45179	847	9	rail	rail	NN
45179	847	10	to	to	IN
45179	847	11	rail	rail	NN
45179	847	12	through	through	IN
45179	847	13	the	the	DT
45179	847	14	cross	cross	NN
45179	847	15	ties	tie	NNS
45179	847	16	and	and	CC
45179	847	17	ballast	ballast	NN
45179	847	18	.	.	.
45179	848	1	Every	every	DT
45179	848	2	effort	effort	NN
45179	848	3	should	should	MD
45179	848	4	be	be	VB
45179	848	5	made	make	VBN
45179	848	6	to	to	TO
45179	848	7	secure	secure	VB
45179	848	8	and	and	CC
45179	848	9	maintain	maintain	VB
45179	848	10	the	the	DT
45179	848	11	best	good	JJS
45179	848	12	ballast	ballast	NN
45179	848	13	and	and	CC
45179	848	14	drainage	drainage	NN
45179	848	15	possible	possible	JJ
45179	848	16	on	on	IN
45179	848	17	d.c	d.c	NNP
45179	848	18	.	.	.
45179	848	19	as	as	RB
45179	848	20	well	well	RB
45179	848	21	as	as	IN
45179	848	22	a.c	a.c	NNP
45179	848	23	.	.	NNP
45179	848	24	track	track	NNP
45179	848	25	circuits	circuit	NNS
45179	848	26	.	.	.
45179	849	1	Cinders	cinder	NNS
45179	849	2	,	,	,
45179	849	3	dirty	dirty	JJ
45179	849	4	sand	sand	NN
45179	849	5	,	,	,
45179	849	6	soft	soft	JJ
45179	849	7	water	water	NN
45179	849	8	-	-	HYPH
45179	849	9	logged	log	VBN
45179	849	10	ties	tie	NNS
45179	849	11	and	and	CC
45179	849	12	ballast	ballast	NN
45179	849	13	not	not	RB
45179	849	14	well	well	RB
45179	849	15	cleaned	clean	VBN
45179	849	16	away	away	RB
45179	849	17	from	from	IN
45179	849	18	the	the	DT
45179	849	19	base	base	NN
45179	849	20	of	of	IN
45179	849	21	the	the	DT
45179	849	22	rail	rail	NN
45179	849	23	will	will	MD
45179	849	24	produce	produce	VB
45179	849	25	track	track	NN
45179	849	26	circuit	circuit	NN
45179	849	27	trouble	trouble	NN
45179	849	28	,	,	,
45179	849	29	particularly	particularly	RB
45179	849	30	during	during	IN
45179	849	31	wet	wet	JJ
45179	849	32	weather	weather	NN
45179	849	33	,	,	,
45179	849	34	while	while	IN
45179	849	35	good	good	JJ
45179	849	36	rock	rock	NN
45179	849	37	ballast	ballast	NN
45179	849	38	,	,	,
45179	849	39	sound	sound	JJ
45179	849	40	ties	tie	NNS
45179	849	41	and	and	CC
45179	849	42	clean	clean	JJ
45179	849	43	track	track	NN
45179	849	44	give	give	VB
45179	849	45	the	the	DT
45179	849	46	greatest	great	JJS
45179	849	47	efficiency	efficiency	NN
45179	849	48	.	.	.
45179	850	1	The	the	DT
45179	850	2	use	use	NN
45179	850	3	of	of	IN
45179	850	4	ties	tie	NNS
45179	850	5	freshly	freshly	RB
45179	850	6	treated	treat	VBN
45179	850	7	with	with	IN
45179	850	8	zinc	zinc	NN
45179	850	9	chloride	chloride	NN
45179	850	10	also	also	RB
45179	850	11	reduces	reduce	VBZ
45179	850	12	the	the	DT
45179	850	13	ballast	ballast	NN
45179	850	14	resistance	resistance	NN
45179	850	15	.	.	.
45179	851	1	If	if	IN
45179	851	2	too	too	RB
45179	851	3	many	many	JJ
45179	851	4	such	such	JJ
45179	851	5	ties	tie	NNS
45179	851	6	are	be	VBP
45179	851	7	used	use	VBN
45179	851	8	in	in	IN
45179	851	9	a	a	DT
45179	851	10	track	track	NN
45179	851	11	circuit	circuit	NN
45179	851	12	the	the	DT
45179	851	13	current	current	JJ
45179	851	14	leakage	leakage	NN
45179	851	15	between	between	IN
45179	851	16	rails	rail	NNS
45179	851	17	becomes	become	VBZ
45179	851	18	so	so	RB
45179	851	19	great	great	JJ
45179	851	20	that	that	IN
45179	851	21	not	not	RB
45179	851	22	enough	enough	JJ
45179	851	23	current	current	JJ
45179	851	24	reaches	reach	VBZ
45179	851	25	the	the	DT
45179	851	26	relay	relay	NN
45179	851	27	to	to	TO
45179	851	28	hold	hold	VB
45179	851	29	it	-PRON-	PRP
45179	851	30	closed	close	VBN
45179	851	31	,	,	,
45179	851	32	the	the	DT
45179	851	33	effect	effect	NN
45179	851	34	being	be	VBG
45179	851	35	the	the	DT
45179	851	36	same	same	JJ
45179	851	37	as	as	IN
45179	851	38	if	if	IN
45179	851	39	a	a	DT
45179	851	40	train	train	NN
45179	851	41	is	be	VBZ
45179	851	42	on	on	IN
45179	851	43	the	the	DT
45179	851	44	track	track	NN
45179	851	45	circuit	circuit	NN
45179	851	46	shunting	shunt	VBG
45179	851	47	out	out	RP
45179	851	48	the	the	DT
45179	851	49	relay	relay	NN
45179	851	50	.	.	.
45179	852	1	For	for	IN
45179	852	2	good	good	JJ
45179	852	3	results	result	NNS
45179	852	4	,	,	,
45179	852	5	the	the	DT
45179	852	6	number	number	NN
45179	852	7	of	of	IN
45179	852	8	zinc	zinc	NN
45179	852	9	-	-	HYPH
45179	852	10	treated	treat	VBN
45179	852	11	ties	tie	NNS
45179	852	12	installed	instal	VBN
45179	852	13	per	per	IN
45179	852	14	year	year	NN
45179	852	15	in	in	IN
45179	852	16	any	any	DT
45179	852	17	track	track	NN
45179	852	18	circuit	circuit	NN
45179	852	19	should	should	MD
45179	852	20	not	not	RB
45179	852	21	be	be	VB
45179	852	22	greater	great	JJR
45179	852	23	than	than	IN
45179	852	24	15	15	CD
45179	852	25	per	per	NN
45179	852	26	cent	cent	NN
45179	852	27	.	.	.
45179	853	1	of	of	IN
45179	853	2	the	the	DT
45179	853	3	total	total	JJ
45179	853	4	number	number	NN
45179	853	5	of	of	IN
45179	853	6	ties	tie	NNS
45179	853	7	in	in	IN
45179	853	8	that	that	DT
45179	853	9	circuit	circuit	NN
45179	853	10	.	.	.
45179	854	1	Track	Track	NNP
45179	854	2	Circuit	Circuit	NNP
45179	854	3	Troubles	trouble	VBZ
45179	854	4	Some	some	DT
45179	854	5	of	of	IN
45179	854	6	the	the	DT
45179	854	7	common	common	JJ
45179	854	8	track	track	NN
45179	854	9	circuit	circuit	NN
45179	854	10	ailments	ailment	NNS
45179	854	11	are	be	VBP
45179	854	12	relay	relay	NN
45179	854	13	and	and	CC
45179	854	14	track	track	NN
45179	854	15	battery	battery	NN
45179	854	16	troubles	trouble	NNS
45179	854	17	,	,	,
45179	854	18	defective	defective	JJ
45179	854	19	track	track	NN
45179	854	20	connections	connection	NNS
45179	854	21	,	,	,
45179	854	22	poor	poor	JJ
45179	854	23	bonding	bonding	NN
45179	854	24	and	and	CC
45179	854	25	broken	broken	JJ
45179	854	26	rails	rail	NNS
45179	854	27	,	,	,
45179	854	28	short	short	JJ
45179	854	29	circuits	circuit	NNS
45179	854	30	or	or	CC
45179	854	31	shunts	shunt	NNS
45179	854	32	,	,	,
45179	854	33	excessive	excessive	JJ
45179	854	34	leakage	leakage	NN
45179	854	35	and	and	CC
45179	854	36	defective	defective	JJ
45179	854	37	insulated	insulated	JJ
45179	854	38	joints	joint	NNS
45179	854	39	,	,	,
45179	854	40	all	all	DT
45179	854	41	of	of	IN
45179	854	42	which	which	WDT
45179	854	43	will	will	MD
45179	854	44	cause	cause	VB
45179	854	45	the	the	DT
45179	854	46	signals	signal	NNS
45179	854	47	to	to	TO
45179	854	48	be	be	VB
45179	854	49	set	set	VBN
45179	854	50	in	in	IN
45179	854	51	the	the	DT
45179	854	52	danger	danger	NN
45179	854	53	position	position	NN
45179	854	54	,	,	,
45179	854	55	while	while	IN
45179	854	56	defective	defective	JJ
45179	854	57	relays	relay	NNS
45179	854	58	,	,	,
45179	854	59	foreign	foreign	JJ
45179	854	60	current	current	JJ
45179	854	61	and	and	CC
45179	854	62	poor	poor	JJ
45179	854	63	wheel	wheel	NN
45179	854	64	contact	contact	NN
45179	854	65	may	may	MD
45179	854	66	result	result	VB
45179	854	67	in	in	IN
45179	854	68	a	a	DT
45179	854	69	false	false	JJ
45179	854	70	proceed	proceed	NN
45179	854	71	signal	signal	NN
45179	854	72	indication	indication	NN
45179	854	73	with	with	IN
45179	854	74	a	a	DT
45179	854	75	train	train	NN
45179	854	76	in	in	IN
45179	854	77	the	the	DT
45179	854	78	block	block	NN
45179	854	79	section	section	NN
45179	854	80	.	.	.
45179	855	1	It	-PRON-	PRP
45179	855	2	was	be	VBD
45179	855	3	the	the	DT
45179	855	4	quite	quite	RB
45179	855	5	general	general	JJ
45179	855	6	practice	practice	NN
45179	855	7	to	to	TO
45179	855	8	operate	operate	VB
45179	855	9	bad	bad	JJ
45179	855	10	track	track	NN
45179	855	11	circuits	circuit	NNS
45179	855	12	by	by	IN
45179	855	13	piling	pile	VBG
45179	855	14	on	on	RP
45179	855	15	gravity	gravity	NN
45179	855	16	battery	battery	NN
45179	855	17	,	,	,
45179	855	18	either	either	CC
45179	855	19	in	in	IN
45179	855	20	multiple	multiple	JJ
45179	855	21	or	or	CC
45179	855	22	multiple	multiple	JJ
45179	855	23	-	-	HYPH
45179	855	24	series	series	NN
45179	855	25	arrangements	arrangement	NNS
45179	855	26	to	to	TO
45179	855	27	obtain	obtain	VB
45179	855	28	operating	operating	NN
45179	855	29	results	result	NNS
45179	855	30	without	without	IN
45179	855	31	any	any	DT
45179	855	32	regard	regard	NN
45179	855	33	to	to	IN
45179	855	34	the	the	DT
45179	855	35	safety	safety	NN
45179	855	36	of	of	IN
45179	855	37	the	the	DT
45179	855	38	circuit	circuit	NN
45179	855	39	and	and	CC
45179	855	40	,	,	,
45179	855	41	no	no	RB
45179	855	42	doubt	doubt	RB
45179	855	43	,	,	,
45179	855	44	many	many	JJ
45179	855	45	false	false	JJ
45179	855	46	proceed	proceed	NN
45179	855	47	failures	failure	NNS
45179	855	48	were	be	VBD
45179	855	49	caused	cause	VBN
45179	855	50	thereby	thereby	RB
45179	855	51	.	.	.
45179	856	1	The	the	DT
45179	856	2	effect	effect	NN
45179	856	3	of	of	IN
45179	856	4	temperature	temperature	NN
45179	856	5	changes	change	NNS
45179	856	6	on	on	IN
45179	856	7	track	track	NN
45179	856	8	circuit	circuit	NN
45179	856	9	operation	operation	NN
45179	856	10	are	be	VBP
45179	856	11	of	of	IN
45179	856	12	considerable	considerable	JJ
45179	856	13	importance	importance	NN
45179	856	14	.	.	.
45179	857	1	The	the	DT
45179	857	2	track	track	NN
45179	857	3	relay	relay	NN
45179	857	4	,	,	,
45179	857	5	which	which	WDT
45179	857	6	is	be	VBZ
45179	857	7	generally	generally	RB
45179	857	8	housed	house	VBN
45179	857	9	in	in	IN
45179	857	10	a	a	DT
45179	857	11	cast	cast	NN
45179	857	12	or	or	CC
45179	857	13	sheet	sheet	NN
45179	857	14	iron	iron	NN
45179	857	15	box	box	NN
45179	857	16	,	,	,
45179	857	17	probably	probably	RB
45179	857	18	is	be	VBZ
45179	857	19	affected	affect	VBN
45179	857	20	more	more	RBR
45179	857	21	by	by	IN
45179	857	22	changes	change	NNS
45179	857	23	in	in	IN
45179	857	24	temperature	temperature	NN
45179	857	25	than	than	IN
45179	857	26	any	any	DT
45179	857	27	other	other	JJ
45179	857	28	part	part	NN
45179	857	29	of	of	IN
45179	857	30	the	the	DT
45179	857	31	track	track	NN
45179	857	32	circuit	circuit	NN
45179	857	33	.	.	.
45179	858	1	The	the	DT
45179	858	2	resistance	resistance	NN
45179	858	3	of	of	IN
45179	858	4	a	a	DT
45179	858	5	2-ohm	2-ohm	CD
45179	858	6	relay	relay	NN
45179	858	7	,	,	,
45179	858	8	which	which	WDT
45179	858	9	is	be	VBZ
45179	858	10	2	2	CD
45179	858	11	ohm	ohm	NN
45179	858	12	at	at	IN
45179	858	13	70	70	CD
45179	858	14	degrees	degree	NNS
45179	858	15	F.	F.	NNP
45179	858	16	,	,	,
45179	858	17	will	will	MD
45179	858	18	be	be	VB
45179	858	19	2.22	2.22	CD
45179	858	20	ohm	ohm	NNS
45179	858	21	at	at	IN
45179	858	22	120	120	CD
45179	858	23	degrees	degree	NNS
45179	858	24	F.	F.	NNP
45179	858	25	,	,	,
45179	858	26	and	and	CC
45179	858	27	1.69	1.69	CD
45179	858	28	ohm	ohm	NN
45179	858	29	at	at	IN
45179	858	30	0	0	CD
45179	858	31	degrees	degree	NNS
45179	858	32	F.	F.	NNP
45179	858	33	,	,	,
45179	858	34	a	a	DT
45179	858	35	variation	variation	NN
45179	858	36	of	of	IN
45179	858	37	.53	.53	CD
45179	858	38	ohm	ohm	NNP
45179	858	39	.	.	.
45179	859	1	The	the	DT
45179	859	2	pick	pick	NN
45179	859	3	up	up	RP
45179	859	4	and	and	CC
45179	859	5	release	release	VB
45179	859	6	of	of	IN
45179	859	7	the	the	DT
45179	859	8	relay	relay	NN
45179	859	9	,	,	,
45179	859	10	.2	.2	.
45179	859	11	and	and	CC
45179	859	12	.1	.1	NN
45179	859	13	volt	volt	NN
45179	859	14	,	,	,
45179	859	15	respectively	respectively	RB
45179	859	16	,	,	,
45179	859	17	at	at	IN
45179	859	18	70	70	CD
45179	859	19	degrees	degree	NNS
45179	859	20	F.	F.	NNP
45179	859	21	,	,	,
45179	859	22	will	will	MD
45179	859	23	be	be	VB
45179	859	24	.22	.22	.
45179	859	25	and	and	CC
45179	859	26	.11	.11	CD
45179	859	27	volt	volt	NN
45179	859	28	at	at	IN
45179	859	29	120	120	CD
45179	859	30	degrees	degree	NNS
45179	859	31	F.	F.	NNP
45179	859	32	,	,	,
45179	859	33	and	and	CC
45179	859	34	.17	.17	CD
45179	859	35	and	and	CC
45179	859	36	.085	.085	CD
45179	859	37	volt	volt	NN
45179	859	38	at	at	IN
45179	859	39	0	0	CD
45179	859	40	degrees	degree	NNS
45179	859	41	F.	F.	NNP
45179	859	42	A	a	DT
45179	859	43	relay	relay	NN
45179	859	44	,	,	,
45179	859	45	with	with	IN
45179	859	46	a	a	DT
45179	859	47	normal	normal	JJ
45179	859	48	resistance	resistance	NN
45179	859	49	of	of	IN
45179	859	50	4	4	CD
45179	859	51	ohm	ohm	NN
45179	859	52	at	at	IN
45179	859	53	70	70	CD
45179	859	54	degrees	degree	NNS
45179	859	55	F.	F.	NNP
45179	859	56	,	,	,
45179	859	57	will	will	MD
45179	859	58	be	be	VB
45179	859	59	4.45	4.45	CD
45179	859	60	ohm	ohm	VBN
45179	859	61	at	at	IN
45179	859	62	120	120	CD
45179	859	63	degrees	degree	NNS
45179	859	64	F.	F.	NNP
45179	859	65	and	and	CC
45179	859	66	3.38	3.38	CD
45179	859	67	ohm	ohm	VBP
45179	859	68	at	at	IN
45179	859	69	0	0	CD
45179	859	70	degrees	degree	NNS
45179	859	71	F.	F.	NNP
45179	859	72	,	,	,
45179	859	73	a	a	DT
45179	859	74	variation	variation	NN
45179	859	75	of	of	IN
45179	859	76	1.07	1.07	CD
45179	859	77	ohm	ohm	NN
45179	859	78	.	.	.
45179	860	1	The	the	DT
45179	860	2	pick	pick	NN
45179	860	3	up	up	RP
45179	860	4	and	and	CC
45179	860	5	release	release	VB
45179	860	6	,	,	,
45179	860	7	.3	.3	NN
45179	860	8	and	and	CC
45179	860	9	.14	.14	CD
45179	860	10	volt	volt	NN
45179	860	11	,	,	,
45179	860	12	respectively	respectively	RB
45179	860	13	,	,	,
45179	860	14	at	at	IN
45179	860	15	70	70	CD
45179	860	16	degrees	degree	NNS
45179	860	17	F.	F.	NNP
45179	860	18	,	,	,
45179	860	19	will	will	MD
45179	860	20	be	be	VB
45179	860	21	.33	.33	NFP
45179	860	22	and	and	CC
45179	860	23	.16	.16	CD
45179	860	24	volt	volt	NN
45179	860	25	at	at	IN
45179	860	26	120	120	CD
45179	860	27	degrees	degree	NNS
45179	860	28	F.	F.	NNP
45179	860	29	and	and	CC
45179	860	30	.25	.25	NFP
45179	860	31	and	and	CC
45179	860	32	.12	.12	CD
45179	860	33	volt	volt	NN
45179	860	34	at	at	IN
45179	860	35	zero	zero	CD
45179	860	36	.	.	.
45179	861	1	The	the	DT
45179	861	2	point	point	NN
45179	861	3	which	which	WDT
45179	861	4	is	be	VBZ
45179	861	5	intended	intend	VBN
45179	861	6	to	to	TO
45179	861	7	be	be	VB
45179	861	8	brought	bring	VBN
45179	861	9	out	out	RP
45179	861	10	by	by	IN
45179	861	11	these	these	DT
45179	861	12	figures	figure	NNS
45179	861	13	is	be	VBZ
45179	861	14	that	that	IN
45179	861	15	when	when	WRB
45179	861	16	the	the	DT
45179	861	17	temperature	temperature	NN
45179	861	18	of	of	IN
45179	861	19	the	the	DT
45179	861	20	relay	relay	NN
45179	861	21	increases	increase	NNS
45179	861	22	,	,	,
45179	861	23	a	a	DT
45179	861	24	correspondingly	correspondingly	RB
45179	861	25	higher	high	JJR
45179	861	26	voltage	voltage	NN
45179	861	27	is	be	VBZ
45179	861	28	required	require	VBN
45179	861	29	to	to	TO
45179	861	30	pick	pick	VB
45179	861	31	up	up	RP
45179	861	32	the	the	DT
45179	861	33	armature	armature	NN
45179	861	34	,	,	,
45179	861	35	and	and	CC
45179	861	36	when	when	WRB
45179	861	37	the	the	DT
45179	861	38	temperature	temperature	NN
45179	861	39	decreases	decrease	VBZ
45179	861	40	the	the	DT
45179	861	41	armature	armature	NN
45179	861	42	will	will	MD
45179	861	43	hold	hold	VB
45179	861	44	up	up	RP
45179	861	45	with	with	IN
45179	861	46	lower	low	JJR
45179	861	47	voltage	voltage	NN
45179	861	48	across	across	IN
45179	861	49	the	the	DT
45179	861	50	coils	coil	NNS
45179	861	51	.	.	.
45179	862	1	This	this	DT
45179	862	2	indicates	indicate	VBZ
45179	862	3	that	that	IN
45179	862	4	a	a	DT
45179	862	5	track	track	NN
45179	862	6	relay	relay	NN
45179	862	7	is	be	VBZ
45179	862	8	more	more	RBR
45179	862	9	liable	liable	JJ
45179	862	10	to	to	TO
45179	862	11	fail	fail	VB
45179	862	12	to	to	TO
45179	862	13	release	release	VB
45179	862	14	due	due	IN
45179	862	15	to	to	IN
45179	862	16	an	an	DT
45179	862	17	imperfect	imperfect	JJ
45179	862	18	train	train	NN
45179	862	19	shunt	shunt	NN
45179	862	20	in	in	IN
45179	862	21	cold	cold	JJ
45179	862	22	weather	weather	NN
45179	862	23	than	than	IN
45179	862	24	at	at	IN
45179	862	25	any	any	DT
45179	862	26	other	other	JJ
45179	862	27	time	time	NN
45179	862	28	.	.	.
45179	863	1	Some	some	DT
45179	863	2	of	of	IN
45179	863	3	the	the	DT
45179	863	4	best	good	JJS
45179	863	5	preventatives	preventative	NNS
45179	863	6	that	that	WDT
45179	863	7	may	may	MD
45179	863	8	be	be	VB
45179	863	9	provided	provide	VBN
45179	863	10	to	to	TO
45179	863	11	guard	guard	VB
45179	863	12	against	against	IN
45179	863	13	false	false	JJ
45179	863	14	proceed	proceed	NN
45179	863	15	signals	signal	NNS
45179	863	16	due	due	JJ
45179	863	17	to	to	IN
45179	863	18	track	track	NN
45179	863	19	relays	relay	NNS
45179	863	20	failing	fail	VBG
45179	863	21	to	to	TO
45179	863	22	release	release	VB
45179	863	23	with	with	IN
45179	863	24	a	a	DT
45179	863	25	train	train	NN
45179	863	26	in	in	IN
45179	863	27	the	the	DT
45179	863	28	circuit	circuit	NN
45179	863	29	,	,	,
45179	863	30	are	be	VBP
45179	863	31	:	:	:
45179	863	32	1	1	LS
45179	863	33	.	.	.
45179	864	1	Use	use	VB
45179	864	2	as	as	RB
45179	864	3	much	much	JJ
45179	864	4	resistance	resistance	NN
45179	864	5	as	as	RB
45179	864	6	practicable	practicable	JJ
45179	864	7	between	between	IN
45179	864	8	battery	battery	NN
45179	864	9	and	and	CC
45179	864	10	track	track	NN
45179	864	11	.	.	.
45179	865	1	2	2	LS
45179	865	2	.	.	.
45179	866	1	Use	use	VB
45179	866	2	low	low	JJ
45179	866	3	resistance	resistance	NN
45179	866	4	bond	bond	NN
45179	866	5	wires	wire	NNS
45179	866	6	,	,	,
45179	866	7	and	and	CC
45179	866	8	maintain	maintain	VB
45179	866	9	bonding	bond	VBG
45179	866	10	in	in	IN
45179	866	11	good	good	JJ
45179	866	12	shape	shape	NN
45179	866	13	.	.	.
45179	867	1	3	3	LS
45179	867	2	.	.	.
45179	868	1	Keep	keep	VB
45179	868	2	ballast	ballast	NN
45179	868	3	well	well	RB
45179	868	4	cleared	clear	VBN
45179	868	5	from	from	IN
45179	868	6	contact	contact	NN
45179	868	7	with	with	IN
45179	868	8	rails	rail	NNS
45179	868	9	.	.	.
45179	869	1	4	4	LS
45179	869	2	.	.	.
45179	870	1	Maintain	maintain	VB
45179	870	2	insulation	insulation	NN
45179	870	3	in	in	IN
45179	870	4	insulated	insulated	JJ
45179	870	5	track	track	NN
45179	870	6	joints	joint	NNS
45179	870	7	in	in	IN
45179	870	8	good	good	JJ
45179	870	9	condition	condition	NN
45179	870	10	.	.	.
45179	871	1	Aside	aside	RB
45179	871	2	from	from	IN
45179	871	3	these	these	DT
45179	871	4	simple	simple	JJ
45179	871	5	remedies	remedy	NNS
45179	871	6	no	no	DT
45179	871	7	definite	definite	JJ
45179	871	8	rule	rule	NN
45179	871	9	can	can	MD
45179	871	10	be	be	VB
45179	871	11	given	give	VBN
45179	871	12	to	to	TO
45179	871	13	combat	combat	VB
45179	871	14	foreign	foreign	JJ
45179	871	15	current	current	NN
45179	871	16	.	.	.
45179	872	1	If	if	IN
45179	872	2	it	-PRON-	PRP
45179	872	3	is	be	VBZ
45179	872	4	so	so	RB
45179	872	5	troublesome	troublesome	JJ
45179	872	6	that	that	IN
45179	872	7	these	these	DT
45179	872	8	methods	method	NNS
45179	872	9	do	do	VBP
45179	872	10	not	not	RB
45179	872	11	overcome	overcome	VB
45179	872	12	it	-PRON-	PRP
45179	872	13	,	,	,
45179	872	14	the	the	DT
45179	872	15	circuit	circuit	NN
45179	872	16	affected	affect	VBN
45179	872	17	must	must	MD
45179	872	18	be	be	VB
45179	872	19	carefully	carefully	RB
45179	872	20	studied	study	VBN
45179	872	21	to	to	TO
45179	872	22	determine	determine	VB
45179	872	23	the	the	DT
45179	872	24	source	source	NN
45179	872	25	of	of	IN
45179	872	26	the	the	DT
45179	872	27	foreign	foreign	JJ
45179	872	28	current	current	NN
45179	872	29	and	and	CC
45179	872	30	its	-PRON-	PRP$
45179	872	31	path	path	NN
45179	872	32	to	to	IN
45179	872	33	the	the	DT
45179	872	34	rails	rail	NNS
45179	872	35	,	,	,
45179	872	36	then	then	RB
45179	872	37	special	special	JJ
45179	872	38	means	mean	NNS
45179	872	39	can	can	MD
45179	872	40	usually	usually	RB
45179	872	41	be	be	VB
45179	872	42	provided	provide	VBN
45179	872	43	to	to	TO
45179	872	44	overcome	overcome	VB
45179	872	45	it	-PRON-	PRP
45179	872	46	.	.	.
45179	873	1	Ballast	Ballast	NNP
45179	873	2	Resistance	Resistance	NNP
45179	873	3	and	and	CC
45179	873	4	Leakage	leakage	VB
45179	873	5	The	the	DT
45179	873	6	importance	importance	NN
45179	873	7	of	of	IN
45179	873	8	ballast	ballast	NN
45179	873	9	resistance	resistance	NN
45179	873	10	has	have	VBZ
45179	873	11	long	long	RB
45179	873	12	been	be	VBN
45179	873	13	recognized	recognize	VBN
45179	873	14	,	,	,
45179	873	15	and	and	CC
45179	873	16	this	this	DT
45179	873	17	always	always	RB
45179	873	18	has	have	VBZ
45179	873	19	been	be	VBN
45179	873	20	considered	consider	VBN
45179	873	21	the	the	DT
45179	873	22	great	great	JJ
45179	873	23	variable	variable	NN
45179	873	24	,	,	,
45179	873	25	whereas	wherea	NNS
45179	873	26	,	,	,
45179	873	27	investigations	investigation	NNS
45179	873	28	show	show	VBP
45179	873	29	that	that	IN
45179	873	30	the	the	DT
45179	873	31	ballast	ballast	NN
45179	873	32	resistance	resistance	NN
45179	873	33	is	be	VBZ
45179	873	34	at	at	IN
45179	873	35	least	least	JJS
45179	873	36	no	no	DT
45179	873	37	more	more	RBR
45179	873	38	variable	variable	JJ
45179	873	39	than	than	IN
45179	873	40	the	the	DT
45179	873	41	rail	rail	NN
45179	873	42	resistance	resistance	NN
45179	873	43	,	,	,
45179	873	44	and	and	CC
45179	873	45	that	that	DT
45179	873	46	of	of	IN
45179	873	47	the	the	DT
45179	873	48	two	two	CD
45179	873	49	it	-PRON-	PRP
45179	873	50	is	be	VBZ
45179	873	51	more	more	RBR
45179	873	52	important	important	JJ
45179	873	53	to	to	TO
45179	873	54	reduce	reduce	VB
45179	873	55	the	the	DT
45179	873	56	rail	rail	NN
45179	873	57	resistance	resistance	NN
45179	873	58	to	to	IN
45179	873	59	a	a	DT
45179	873	60	minimum	minimum	NN
45179	873	61	,	,	,
45179	873	62	and	and	CC
45179	873	63	especially	especially	RB
45179	873	64	to	to	TO
45179	873	65	establish	establish	VB
45179	873	66	it	-PRON-	PRP
45179	873	67	as	as	IN
45179	873	68	a	a	DT
45179	873	69	constant	constant	NN
45179	873	70	.	.	.
45179	874	1	When	when	WRB
45179	874	2	the	the	DT
45179	874	3	ballast	ballast	NN
45179	874	4	leakage	leakage	NN
45179	874	5	problem	problem	NN
45179	874	6	was	be	VBD
45179	874	7	first	first	RB
45179	874	8	taken	take	VBN
45179	874	9	up	up	RP
45179	874	10	(	(	-LRB-
45179	874	11	on	on	IN
45179	874	12	the	the	DT
45179	874	13	L.	L.	NNP
45179	874	14	&	&	CC
45179	874	15	N.	N.	NNP
45179	874	16	)	)	-RRB-
45179	874	17	,	,	,
45179	874	18	various	various	JJ
45179	874	19	kinds	kind	NNS
45179	874	20	of	of	IN
45179	874	21	ballast	ballast	NN
45179	874	22	were	be	VBD
45179	874	23	measured	measure	VBN
45179	874	24	in	in	IN
45179	874	25	both	both	CC
45179	874	26	wet	wet	JJ
45179	874	27	and	and	CC
45179	874	28	dry	dry	JJ
45179	874	29	weather	weather	NN
45179	874	30	,	,	,
45179	874	31	the	the	DT
45179	874	32	intention	intention	NN
45179	874	33	being	be	VBG
45179	874	34	to	to	TO
45179	874	35	determine	determine	VB
45179	874	36	the	the	DT
45179	874	37	lowest	low	JJS
45179	874	38	possible	possible	JJ
45179	874	39	resistance	resistance	NN
45179	874	40	per	per	IN
45179	874	41	1000	1000	CD
45179	874	42	ft	ft	NN
45179	874	43	.	.	.
45179	874	44	for	for	IN
45179	874	45	each	each	DT
45179	874	46	kind	kind	NN
45179	874	47	of	of	IN
45179	874	48	ballast	ballast	NN
45179	874	49	.	.	.
45179	875	1	It	-PRON-	PRP
45179	875	2	was	be	VBD
45179	875	3	proposed	propose	VBN
45179	875	4	in	in	IN
45179	875	5	this	this	DT
45179	875	6	way	way	NN
45179	875	7	to	to	TO
45179	875	8	establish	establish	VB
45179	875	9	a	a	DT
45179	875	10	standard	standard	JJ
45179	875	11	minimum	minimum	JJ
45179	875	12	resistance	resistance	NN
45179	875	13	per	per	IN
45179	875	14	1000	1000	CD
45179	875	15	ft	ft	NN
45179	875	16	.	.	.
45179	875	17	for	for	IN
45179	875	18	each	each	DT
45179	875	19	kind	kind	NN
45179	875	20	of	of	IN
45179	875	21	ballast	ballast	NN
45179	875	22	.	.	.
45179	876	1	For	for	IN
45179	876	2	instance	instance	NN
45179	876	3	,	,	,
45179	876	4	if	if	IN
45179	876	5	a	a	DT
45179	876	6	number	number	NN
45179	876	7	of	of	IN
45179	876	8	measurements	measurement	NNS
45179	876	9	in	in	IN
45179	876	10	wet	wet	JJ
45179	876	11	weather	weather	NN
45179	876	12	showed	show	VBD
45179	876	13	8	8	CD
45179	876	14	ohms	ohm	NNS
45179	876	15	per	per	IN
45179	876	16	1000	1000	CD
45179	876	17	ft	ft	NN
45179	876	18	.	.	.
45179	876	19	as	as	IN
45179	876	20	a	a	DT
45179	876	21	minimum	minimum	NN
45179	876	22	for	for	IN
45179	876	23	track	track	NN
45179	876	24	circuits	circuit	NNS
45179	876	25	with	with	IN
45179	876	26	crushed	crushed	JJ
45179	876	27	rock	rock	NN
45179	876	28	ballast	ballast	NN
45179	876	29	,	,	,
45179	876	30	it	-PRON-	PRP
45179	876	31	was	be	VBD
45179	876	32	the	the	DT
45179	876	33	intention	intention	NN
45179	876	34	to	to	TO
45179	876	35	adopt	adopt	VB
45179	876	36	8	8	CD
45179	876	37	ohms	ohm	NNS
45179	876	38	as	as	IN
45179	876	39	the	the	DT
45179	876	40	standard	standard	JJ
45179	876	41	minimum	minimum	JJ
45179	876	42	ballast	ballast	NN
45179	876	43	resistance	resistance	NN
45179	876	44	per	per	IN
45179	876	45	1000	1000	CD
45179	876	46	ft	ft	NN
45179	876	47	.	.	.
45179	876	48	for	for	IN
45179	876	49	all	all	DT
45179	876	50	track	track	NN
45179	876	51	circuits	circuit	NNS
45179	876	52	where	where	WRB
45179	876	53	crushed	crushed	JJ
45179	876	54	rock	rock	NN
45179	876	55	ballast	ballast	NN
45179	876	56	was	be	VBD
45179	876	57	in	in	IN
45179	876	58	use	use	NN
45179	876	59	.	.	.
45179	877	1	If	if	IN
45179	877	2	a	a	DT
45179	877	3	number	number	NN
45179	877	4	of	of	IN
45179	877	5	wet	wet	JJ
45179	877	6	weather	weather	NN
45179	877	7	measurements	measurement	NNS
45179	877	8	showed	show	VBD
45179	877	9	4	4	CD
45179	877	10	ohms	ohm	NNS
45179	877	11	per	per	IN
45179	877	12	1000	1000	CD
45179	877	13	ft	ft	NN
45179	877	14	.	.	.
45179	877	15	as	as	IN
45179	877	16	a	a	DT
45179	877	17	minimum	minimum	NN
45179	877	18	for	for	IN
45179	877	19	cinder	cinder	NN
45179	877	20	ballast	ballast	NN
45179	877	21	,	,	,
45179	877	22	it	-PRON-	PRP
45179	877	23	was	be	VBD
45179	877	24	the	the	DT
45179	877	25	intention	intention	NN
45179	877	26	to	to	TO
45179	877	27	adopt	adopt	VB
45179	877	28	4	4	CD
45179	877	29	ohms	ohm	NNS
45179	877	30	as	as	IN
45179	877	31	the	the	DT
45179	877	32	standard	standard	JJ
45179	877	33	minimum	minimum	JJ
45179	877	34	ballast	ballast	NN
45179	877	35	resistance	resistance	NN
45179	877	36	per	per	IN
45179	877	37	1000	1000	CD
45179	877	38	ft	ft	NN
45179	877	39	.	.	.
45179	877	40	for	for	IN
45179	877	41	all	all	DT
45179	877	42	track	track	NN
45179	877	43	circuits	circuit	NNS
45179	877	44	where	where	WRB
45179	877	45	cinder	cinder	NNP
45179	877	46	ballast	ballast	NN
45179	877	47	was	be	VBD
45179	877	48	used	use	VBN
45179	877	49	.	.	.
45179	878	1	It	-PRON-	PRP
45179	878	2	was	be	VBD
45179	878	3	the	the	DT
45179	878	4	intention	intention	NN
45179	878	5	to	to	TO
45179	878	6	follow	follow	VB
45179	878	7	out	out	RP
45179	878	8	the	the	DT
45179	878	9	same	same	JJ
45179	878	10	process	process	NN
45179	878	11	and	and	CC
45179	878	12	establish	establish	VB
45179	878	13	a	a	DT
45179	878	14	standard	standard	NN
45179	878	15	for	for	IN
45179	878	16	all	all	DT
45179	878	17	kinds	kind	NNS
45179	878	18	of	of	IN
45179	878	19	ballast	ballast	NN
45179	878	20	in	in	IN
45179	878	21	use	use	NN
45179	878	22	.	.	.
45179	879	1	This	this	DT
45179	879	2	was	be	VBD
45179	879	3	soon	soon	RB
45179	879	4	found	find	VBN
45179	879	5	to	to	TO
45179	879	6	be	be	VB
45179	879	7	impracticable	impracticable	JJ
45179	879	8	.	.	.
45179	880	1	After	after	IN
45179	880	2	making	make	VBG
45179	880	3	many	many	JJ
45179	880	4	ballast	ballast	NN
45179	880	5	resistance	resistance	NN
45179	880	6	measurements	measurement	NNS
45179	880	7	,	,	,
45179	880	8	it	-PRON-	PRP
45179	880	9	was	be	VBD
45179	880	10	noticed	notice	VBN
45179	880	11	that	that	IN
45179	880	12	the	the	DT
45179	880	13	variation	variation	NN
45179	880	14	of	of	IN
45179	880	15	the	the	DT
45179	880	16	resistance	resistance	NN
45179	880	17	on	on	IN
45179	880	18	any	any	DT
45179	880	19	track	track	NN
45179	880	20	circuit	circuit	NN
45179	880	21	,	,	,
45179	880	22	as	as	IN
45179	880	23	between	between	IN
45179	880	24	wet	wet	JJ
45179	880	25	and	and	CC
45179	880	26	dry	dry	JJ
45179	880	27	weather	weather	NN
45179	880	28	,	,	,
45179	880	29	generally	generally	RB
45179	880	30	followed	follow	VBD
45179	880	31	quite	quite	PDT
45179	880	32	a	a	DT
45179	880	33	definite	definite	JJ
45179	880	34	rule	rule	NN
45179	880	35	.	.	.
45179	881	1	For	for	IN
45179	881	2	instance	instance	NN
45179	881	3	:	:	:
45179	881	4	If	if	IN
45179	881	5	the	the	DT
45179	881	6	resistance	resistance	NN
45179	881	7	per	per	IN
45179	881	8	1000	1000	CD
45179	881	9	ft	ft	NN
45179	881	10	.	.	NN
45179	881	11	of	of	IN
45179	881	12	dry	dry	JJ
45179	881	13	ballast	ballast	NN
45179	881	14	was	be	VBD
45179	881	15	found	find	VBN
45179	881	16	to	to	TO
45179	881	17	be	be	VB
45179	881	18	28	28	CD
45179	881	19	ohms	ohm	NNS
45179	881	20	or	or	CC
45179	881	21	more	more	JJR
45179	881	22	,	,	,
45179	881	23	it	-PRON-	PRP
45179	881	24	would	would	MD
45179	881	25	be	be	VB
45179	881	26	not	not	RB
45179	881	27	less	less	JJR
45179	881	28	than	than	IN
45179	881	29	8	8	CD
45179	881	30	ohms	ohm	NNS
45179	881	31	per	per	IN
45179	881	32	1000	1000	CD
45179	881	33	ft	ft	NN
45179	881	34	.	.	.
45179	881	35	when	when	WRB
45179	881	36	wet	wet	JJ
45179	881	37	;	;	:
45179	881	38	or	or	CC
45179	881	39	if	if	IN
45179	881	40	resistance	resistance	NN
45179	881	41	of	of	IN
45179	881	42	dry	dry	JJ
45179	881	43	ballast	ballast	NN
45179	881	44	was	be	VBD
45179	881	45	found	find	VBN
45179	881	46	to	to	TO
45179	881	47	be	be	VB
45179	881	48	between	between	IN
45179	881	49	22	22	CD
45179	881	50	and	and	CC
45179	881	51	28	28	CD
45179	881	52	ohms	ohm	NNS
45179	881	53	per	per	IN
45179	881	54	1000	1000	CD
45179	881	55	ft	ft	NNP
45179	881	56	.	.	NNP
45179	881	57	,	,	,
45179	881	58	it	-PRON-	PRP
45179	881	59	would	would	MD
45179	881	60	be	be	VB
45179	881	61	not	not	RB
45179	881	62	less	less	JJR
45179	881	63	than	than	IN
45179	881	64	6	6	CD
45179	881	65	ohms	ohm	NNS
45179	881	66	per	per	IN
45179	881	67	1000	1000	CD
45179	881	68	ft	ft	NN
45179	881	69	.	.	.
45179	881	70	when	when	WRB
45179	881	71	wet	wet	JJ
45179	881	72	.	.	.
45179	882	1	Once	once	RB
45179	882	2	a	a	DT
45179	882	3	relay	relay	NN
45179	882	4	is	be	VBZ
45179	882	5	picked	pick	VBN
45179	882	6	up	up	RP
45179	882	7	or	or	CC
45179	882	8	energized	energize	VBN
45179	882	9	,	,	,
45179	882	10	but	but	CC
45179	882	11	a	a	DT
45179	882	12	small	small	JJ
45179	882	13	amount	amount	NN
45179	882	14	of	of	IN
45179	882	15	current	current	NN
45179	882	16	is	be	VBZ
45179	882	17	required	require	VBN
45179	882	18	to	to	TO
45179	882	19	maintain	maintain	VB
45179	882	20	it	-PRON-	PRP
45179	882	21	in	in	IN
45179	882	22	that	that	DT
45179	882	23	condition	condition	NN
45179	882	24	.	.	.
45179	883	1	This	this	DT
45179	883	2	is	be	VBZ
45179	883	3	one	one	CD
45179	883	4	reason	reason	NN
45179	883	5	why	why	WRB
45179	883	6	it	-PRON-	PRP
45179	883	7	is	be	VBZ
45179	883	8	important	important	JJ
45179	883	9	to	to	TO
45179	883	10	keep	keep	VB
45179	883	11	the	the	DT
45179	883	12	ballast	ballast	NN
45179	883	13	clear	clear	JJ
45179	883	14	of	of	IN
45179	883	15	the	the	DT
45179	883	16	rails	rail	NNS
45179	883	17	and	and	CC
45179	883	18	it	-PRON-	PRP
45179	883	19	is	be	VBZ
45179	883	20	because	because	IN
45179	883	21	of	of	IN
45179	883	22	the	the	DT
45179	883	23	condition	condition	NN
45179	883	24	which	which	WDT
45179	883	25	may	may	MD
45179	883	26	cause	cause	VB
45179	883	27	a	a	DT
45179	883	28	relay	relay	NN
45179	883	29	to	to	TO
45179	883	30	remain	remain	VB
45179	883	31	energized	energized	JJ
45179	883	32	that	that	IN
45179	883	33	rules	rule	NNS
45179	883	34	are	be	VBP
45179	883	35	in	in	IN
45179	883	36	force	force	NN
45179	883	37	requiring	require	VBG
45179	883	38	the	the	DT
45179	883	39	signalmen	signalman	NNS
45179	883	40	to	to	TO
45179	883	41	disconnect	disconnect	VB
45179	883	42	a	a	DT
45179	883	43	track	track	NN
45179	883	44	relay	relay	NN
45179	883	45	when	when	WRB
45179	883	46	track	track	NN
45179	883	47	forces	force	NNS
45179	883	48	are	be	VBP
45179	883	49	changing	change	VBG
45179	883	50	out	out	RP
45179	883	51	rails	rail	NNS
45179	883	52	.	.	.
45179	884	1	Combined	Combined	NNP
45179	884	2	Rail	Rail	NNP
45179	884	3	and	and	CC
45179	884	4	Bond	Bond	NNP
45179	884	5	Wire	Wire	NNP
45179	884	6	Resistance	Resistance	NNP
45179	884	7	On	on	IN
45179	884	8	circuits	circuit	NNS
45179	884	9	newly	newly	RB
45179	884	10	bonded	bond	VBN
45179	884	11	with	with	IN
45179	884	12	two	two	CD
45179	884	13	46-in	46-in	CD
45179	884	14	.	.	.
45179	885	1	galvanized	galvanized	JJ
45179	885	2	iron	iron	NN
45179	885	3	wires	wire	NNS
45179	885	4	a	a	DT
45179	885	5	joint	joint	NN
45179	885	6	,	,	,
45179	885	7	the	the	DT
45179	885	8	combined	combine	VBN
45179	885	9	rail	rail	NN
45179	885	10	and	and	CC
45179	885	11	bond	bond	NN
45179	885	12	wire	wire	NN
45179	885	13	resistance	resistance	NN
45179	885	14	was	be	VBD
45179	885	15	found	find	VBN
45179	885	16	(	(	-LRB-
45179	885	17	on	on	IN
45179	885	18	the	the	DT
45179	885	19	L.	L.	NNP
45179	885	20	&	&	CC
45179	885	21	N.	N.	NNP
45179	885	22	)	)	-RRB-
45179	885	23	to	to	TO
45179	885	24	vary	vary	VB
45179	885	25	from	from	IN
45179	885	26	.02	.02	NFP
45179	885	27	ohm	ohm	NNP
45179	885	28	per	per	IN
45179	885	29	1000	1000	CD
45179	885	30	ft	ft	NN
45179	885	31	.	.	NN
45179	885	32	of	of	IN
45179	885	33	track	track	NN
45179	885	34	on	on	IN
45179	885	35	some	some	DT
45179	885	36	circuits	circuit	NNS
45179	885	37	to	to	IN
45179	885	38	.265	.265	CD
45179	885	39	ohm	ohm	NN
45179	885	40	on	on	IN
45179	885	41	others	other	NNS
45179	885	42	,	,	,
45179	885	43	a	a	DT
45179	885	44	difference	difference	NN
45179	885	45	of	of	IN
45179	885	46	over	over	IN
45179	885	47	1300	1300	CD
45179	885	48	per	per	IN
45179	885	49	cent	cent	NN
45179	885	50	.	.	.
45179	886	1	This	this	DT
45179	886	2	was	be	VBD
45179	886	3	rather	rather	RB
45179	886	4	puzzling	puzzling	JJ
45179	886	5	.	.	.
45179	887	1	After	after	IN
45179	887	2	a	a	DT
45179	887	3	great	great	JJ
45179	887	4	many	many	JJ
45179	887	5	measurements	measurement	NNS
45179	887	6	had	have	VBD
45179	887	7	been	be	VBN
45179	887	8	made	make	VBN
45179	887	9	on	on	IN
45179	887	10	different	different	JJ
45179	887	11	circuits	circuit	NNS
45179	887	12	it	-PRON-	PRP
45179	887	13	was	be	VBD
45179	887	14	found	find	VBN
45179	887	15	that	that	IN
45179	887	16	no	no	DT
45179	887	17	two	two	CD
45179	887	18	measurements	measurement	NNS
45179	887	19	gave	give	VBD
45179	887	20	the	the	DT
45179	887	21	same	same	JJ
45179	887	22	results	result	NNS
45179	887	23	,	,	,
45179	887	24	notwithstanding	notwithstanding	IN
45179	887	25	the	the	DT
45179	887	26	fact	fact	NN
45179	887	27	that	that	IN
45179	887	28	in	in	IN
45179	887	29	many	many	JJ
45179	887	30	circuits	circuit	NNS
45179	887	31	the	the	DT
45179	887	32	size	size	NN
45179	887	33	of	of	IN
45179	887	34	rail	rail	NN
45179	887	35	,	,	,
45179	887	36	length	length	NN
45179	887	37	of	of	IN
45179	887	38	bond	bond	NN
45179	887	39	wires	wire	NNS
45179	887	40	,	,	,
45179	887	41	and	and	CC
45179	887	42	age	age	NN
45179	887	43	of	of	IN
45179	887	44	bonding	bonding	NN
45179	887	45	were	be	VBD
45179	887	46	exactly	exactly	RB
45179	887	47	the	the	DT
45179	887	48	same	same	JJ
45179	887	49	.	.	.
45179	888	1	On	on	IN
45179	888	2	account	account	NN
45179	888	3	of	of	IN
45179	888	4	the	the	DT
45179	888	5	bonding	bonding	NN
45179	888	6	being	be	VBG
45179	888	7	new	new	JJ
45179	888	8	and	and	CC
45179	888	9	the	the	DT
45179	888	10	channel	channel	NN
45179	888	11	pins	pin	NNS
45179	888	12	well	well	RB
45179	888	13	driven	drive	VBN
45179	888	14	,	,	,
45179	888	15	the	the	DT
45179	888	16	contact	contact	NN
45179	888	17	between	between	IN
45179	888	18	the	the	DT
45179	888	19	bond	bond	NN
45179	888	20	wire	wire	NN
45179	888	21	and	and	CC
45179	888	22	rail	rail	NN
45179	888	23	was	be	VBD
45179	888	24	above	above	IN
45179	888	25	suspicion	suspicion	NN
45179	888	26	.	.	.
45179	889	1	The	the	DT
45179	889	2	only	only	JJ
45179	889	3	other	other	JJ
45179	889	4	part	part	NN
45179	889	5	of	of	IN
45179	889	6	a	a	DT
45179	889	7	track	track	NN
45179	889	8	circuit	circuit	NN
45179	889	9	that	that	WDT
45179	889	10	could	could	MD
45179	889	11	possibly	possibly	RB
45179	889	12	be	be	VB
45179	889	13	the	the	DT
45179	889	14	cause	cause	NN
45179	889	15	of	of	IN
45179	889	16	this	this	DT
45179	889	17	difference	difference	NN
45179	889	18	was	be	VBD
45179	889	19	in	in	IN
45179	889	20	the	the	DT
45179	889	21	contact	contact	NN
45179	889	22	between	between	IN
45179	889	23	the	the	DT
45179	889	24	angle	angle	NN
45179	889	25	bars	bar	NNS
45179	889	26	and	and	CC
45179	889	27	rails	rail	NNS
45179	889	28	,	,	,
45179	889	29	and	and	CC
45179	889	30	this	this	DT
45179	889	31	later	later	RB
45179	889	32	proved	prove	VBD
45179	889	33	to	to	TO
45179	889	34	be	be	VB
45179	889	35	the	the	DT
45179	889	36	case	case	NN
45179	889	37	.	.	.
45179	890	1	Actual	actual	JJ
45179	890	2	measurements	measurement	NNS
45179	890	3	made	make	VBN
45179	890	4	in	in	IN
45179	890	5	the	the	DT
45179	890	6	field	field	NN
45179	890	7	proved	prove	VBD
45179	890	8	that	that	IN
45179	890	9	when	when	WRB
45179	890	10	the	the	DT
45179	890	11	rail	rail	NN
45179	890	12	is	be	VBZ
45179	890	13	new	new	JJ
45179	890	14	and	and	CC
45179	890	15	the	the	DT
45179	890	16	joint	joint	JJ
45179	890	17	bolts	bolt	NNS
45179	890	18	tight	tight	JJ
45179	890	19	,	,	,
45179	890	20	nearly	nearly	RB
45179	890	21	all	all	DT
45179	890	22	of	of	IN
45179	890	23	the	the	DT
45179	890	24	current	current	JJ
45179	890	25	flowing	flow	VBG
45179	890	26	from	from	IN
45179	890	27	rail	rail	NN
45179	890	28	to	to	IN
45179	890	29	rail	rail	NN
45179	890	30	passes	pass	VBZ
45179	890	31	through	through	IN
45179	890	32	the	the	DT
45179	890	33	angle	angle	NN
45179	890	34	bars	bar	NNS
45179	890	35	,	,	,
45179	890	36	whereas	whereas	IN
45179	890	37	when	when	WRB
45179	890	38	the	the	DT
45179	890	39	rails	rail	NNS
45179	890	40	get	get	VBP
45179	890	41	old	old	JJ
45179	890	42	a	a	DT
45179	890	43	coating	coating	NN
45179	890	44	of	of	IN
45179	890	45	rust	rust	NN
45179	890	46	and	and	CC
45179	890	47	dirt	dirt	NN
45179	890	48	forms	form	NNS
45179	890	49	between	between	IN
45179	890	50	the	the	DT
45179	890	51	rail	rail	NN
45179	890	52	and	and	CC
45179	890	53	angle	angle	NN
45179	890	54	bars	bar	NNS
45179	890	55	,	,	,
45179	890	56	forcing	force	VBG
45179	890	57	practically	practically	RB
45179	890	58	all	all	DT
45179	890	59	of	of	IN
45179	890	60	the	the	DT
45179	890	61	current	current	NN
45179	890	62	through	through	IN
45179	890	63	the	the	DT
45179	890	64	bond	bond	NN
45179	890	65	wires	wire	NNS
45179	890	66	.	.	.
45179	891	1	On	on	IN
45179	891	2	most	most	JJS
45179	891	3	of	of	IN
45179	891	4	the	the	DT
45179	891	5	circuits	circuit	NNS
45179	891	6	measured	measure	VBN
45179	891	7	on	on	IN
45179	891	8	the	the	DT
45179	891	9	L.	L.	NNP
45179	891	10	&	&	CC
45179	891	11	N.	N.	NNP
45179	891	12	the	the	DT
45179	891	13	combined	combine	VBN
45179	891	14	rail	rail	NN
45179	891	15	and	and	CC
45179	891	16	bond	bond	NN
45179	891	17	wire	wire	NN
45179	891	18	resistance	resistance	NN
45179	891	19	was	be	VBD
45179	891	20	found	find	VBN
45179	891	21	to	to	TO
45179	891	22	be	be	VB
45179	891	23	less	less	JJR
45179	891	24	than	than	IN
45179	891	25	.1	.1	CD
45179	891	26	ohm	ohm	NNP
45179	891	27	per	per	IN
45179	891	28	1000	1000	CD
45179	891	29	ft	ft	NN
45179	891	30	.	.	NN
45179	891	31	of	of	IN
45179	891	32	track	track	NN
45179	891	33	,	,	,
45179	891	34	although	although	IN
45179	891	35	many	many	JJ
45179	891	36	were	be	VBD
45179	891	37	found	find	VBN
45179	891	38	to	to	TO
45179	891	39	be	be	VB
45179	891	40	between	between	IN
45179	891	41	.10	.10	NFP
45179	891	42	and	and	CC
45179	891	43	.30	.30	CD
45179	891	44	ohm	ohm	NN
45179	891	45	per	per	IN
45179	891	46	1000	1000	CD
45179	891	47	ft	ft	NN
45179	891	48	.	.	.
45179	892	1	It	-PRON-	PRP
45179	892	2	is	be	VBZ
45179	892	3	interesting	interesting	JJ
45179	892	4	to	to	TO
45179	892	5	note	note	VB
45179	892	6	that	that	IN
45179	892	7	two	two	CD
45179	892	8	circuits	circuit	NNS
45179	892	9	were	be	VBD
45179	892	10	found	find	VBN
45179	892	11	bonded	bond	VBN
45179	892	12	with	with	IN
45179	892	13	two	two	CD
45179	892	14	52-in	52-in	NNS
45179	892	15	.	.	.
45179	893	1	iron	iron	NN
45179	893	2	wires	wire	NNS
45179	893	3	,	,	,
45179	893	4	for	for	IN
45179	893	5	which	which	WDT
45179	893	6	the	the	DT
45179	893	7	combined	combine	VBN
45179	893	8	rail	rail	NN
45179	893	9	and	and	CC
45179	893	10	bond	bond	NN
45179	893	11	wire	wire	NN
45179	893	12	resistance	resistance	NN
45179	893	13	measured	measure	VBN
45179	893	14	.410	.410	CD
45179	893	15	ohm	ohm	NNP
45179	893	16	,	,	,
45179	893	17	and	and	CC
45179	893	18	that	that	IN
45179	893	19	by	by	IN
45179	893	20	adding	add	VBG
45179	893	21	two	two	CD
45179	893	22	40	40	CD
45179	893	23	per	per	NN
45179	893	24	cent	cent	NN
45179	893	25	.	.	.
45179	894	1	copper	copper	NN
45179	894	2	clad	clothe	VBD
45179	894	3	bond	bond	NN
45179	894	4	wires	wire	NNS
45179	894	5	to	to	IN
45179	894	6	each	each	DT
45179	894	7	joint	joint	JJ
45179	894	8	the	the	DT
45179	894	9	combined	combine	VBN
45179	894	10	resistance	resistance	NN
45179	894	11	was	be	VBD
45179	894	12	reduced	reduce	VBN
45179	894	13	to	to	IN
45179	894	14	.144	.144	CD
45179	894	15	ohm	ohm	NNP
45179	894	16	.	.	.
45179	895	1	The	the	DT
45179	895	2	Growth	growth	NN
45179	895	3	of	of	IN
45179	895	4	the	the	DT
45179	895	5	Track	Track	NNP
45179	895	6	Circuit	Circuit	NNP
45179	895	7	Unfortunately	unfortunately	RB
45179	895	8	there	there	EX
45179	895	9	exists	exist	VBZ
45179	895	10	little	little	JJ
45179	895	11	or	or	CC
45179	895	12	no	no	DT
45179	895	13	data	datum	NNS
45179	895	14	regarding	regard	VBG
45179	895	15	the	the	DT
45179	895	16	mileage	mileage	NN
45179	895	17	of	of	IN
45179	895	18	track	track	NN
45179	895	19	circuits	circuit	NNS
45179	895	20	installed	instal	VBN
45179	895	21	from	from	IN
45179	895	22	the	the	DT
45179	895	23	time	time	NN
45179	895	24	the	the	DT
45179	895	25	first	first	JJ
45179	895	26	installation	installation	NN
45179	895	27	was	be	VBD
45179	895	28	made	make	VBN
45179	895	29	by	by	IN
45179	895	30	Dr.	Dr.	NNP
45179	895	31	Robinson	Robinson	NNP
45179	895	32	at	at	IN
45179	895	33	Kinzua	Kinzua	NNP
45179	895	34	,	,	,
45179	895	35	Pa.	Pennsylvania	NNP
45179	895	36	,	,	,
45179	895	37	and	and	CC
45179	895	38	Irvineton	Irvineton	NNP
45179	895	39	up	up	RP
45179	895	40	to	to	IN
45179	895	41	about	about	IN
45179	895	42	1905	1905	CD
45179	895	43	.	.	.
45179	896	1	During	during	IN
45179	896	2	the	the	DT
45179	896	3	period	period	NN
45179	896	4	between	between	IN
45179	896	5	January	January	NNP
45179	896	6	1	1	CD
45179	896	7	,	,	,
45179	896	8	1905	1905	CD
45179	896	9	,	,	,
45179	896	10	and	and	CC
45179	896	11	September	September	NNP
45179	896	12	30	30	CD
45179	896	13	,	,	,
45179	896	14	1906	1906	CD
45179	896	15	,	,	,
45179	896	16	the	the	DT
45179	896	17	total	total	JJ
45179	896	18	automatic	automatic	JJ
45179	896	19	block	block	NNP
45179	896	20	signal	signal	NNP
45179	896	21	mileage	mileage	NN
45179	896	22	installed	instal	VBN
45179	896	23	was	be	VBD
45179	896	24	1,710.6	1,710.6	CD
45179	896	25	,	,	,
45179	896	26	which	which	WDT
45179	896	27	brought	bring	VBD
45179	896	28	the	the	DT
45179	896	29	total	total	NN
45179	896	30	up	up	IN
45179	896	31	to	to	TO
45179	896	32	6,826.9	6,826.9	CD
45179	896	33	for	for	IN
45179	896	34	the	the	DT
45179	896	35	United	United	NNP
45179	896	36	States	States	NNP
45179	896	37	.	.	.
45179	897	1	Between	between	IN
45179	897	2	September	September	NNP
45179	897	3	30	30	CD
45179	897	4	,	,	,
45179	897	5	1906	1906	CD
45179	897	6	,	,	,
45179	897	7	and	and	CC
45179	897	8	January	January	NNP
45179	897	9	1	1	CD
45179	897	10	,	,	,
45179	897	11	1908	1908	CD
45179	897	12	,	,	,
45179	897	13	3,976.1	3,976.1	CD
45179	897	14	miles	mile	NNS
45179	897	15	of	of	IN
45179	897	16	automatic	automatic	JJ
45179	897	17	signals	signal	NNS
45179	897	18	were	be	VBD
45179	897	19	installed	instal	VBN
45179	897	20	,	,	,
45179	897	21	which	which	WDT
45179	897	22	increased	increase	VBD
45179	897	23	the	the	DT
45179	897	24	above	above	JJ
45179	897	25	total	total	NN
45179	897	26	to	to	IN
45179	897	27	10,803.0	10,803.0	CD
45179	897	28	miles	mile	NNS
45179	897	29	.	.	.
45179	898	1	The	the	DT
45179	898	2	Block	Block	NNP
45179	898	3	Signal	Signal	NNP
45179	898	4	and	and	CC
45179	898	5	Train	Train	NNP
45179	898	6	Control	Control	NNP
45179	898	7	Board	Board	NNP
45179	898	8	,	,	,
45179	898	9	seeing	see	VBG
45179	898	10	the	the	DT
45179	898	11	need	need	NN
45179	898	12	for	for	IN
45179	898	13	accurate	accurate	JJ
45179	898	14	data	datum	NNS
45179	898	15	in	in	IN
45179	898	16	the	the	DT
45179	898	17	signal	signal	NNP
45179	898	18	field	field	NN
45179	898	19	,	,	,
45179	898	20	started	start	VBD
45179	898	21	the	the	DT
45179	898	22	tabulation	tabulation	NN
45179	898	23	of	of	IN
45179	898	24	such	such	JJ
45179	898	25	statistics	statistic	NNS
45179	898	26	when	when	WRB
45179	898	27	it	-PRON-	PRP
45179	898	28	compiled	compile	VBD
45179	898	29	and	and	CC
45179	898	30	issued	issue	VBD
45179	898	31	Block	Block	NNP
45179	898	32	Signal	Signal	NNP
45179	898	33	Statistics	Statistics	NNP
45179	898	34	as	as	IN
45179	898	35	of	of	IN
45179	898	36	January	January	NNP
45179	898	37	1	1	CD
45179	898	38	,	,	,
45179	898	39	1908	1908	CD
45179	898	40	.	.	.
45179	899	1	After	after	IN
45179	899	2	this	this	DT
45179	899	3	board	board	NN
45179	899	4	went	go	VBD
45179	899	5	out	out	IN
45179	899	6	of	of	IN
45179	899	7	existence	existence	NN
45179	899	8	,	,	,
45179	899	9	the	the	DT
45179	899	10	Bureau	Bureau	NNP
45179	899	11	of	of	IN
45179	899	12	Safety	Safety	NNP
45179	899	13	of	of	IN
45179	899	14	the	the	DT
45179	899	15	Interstate	Interstate	NNP
45179	899	16	Commerce	Commerce	NNP
45179	899	17	Commission	Commission	NNP
45179	899	18	continued	continue	VBD
45179	899	19	the	the	DT
45179	899	20	collection	collection	NN
45179	899	21	and	and	CC
45179	899	22	publication	publication	NN
45179	899	23	of	of	IN
45179	899	24	these	these	DT
45179	899	25	data	datum	NNS
45179	899	26	yearly	yearly	RB
45179	899	27	.	.	.
45179	900	1	Perhaps	perhaps	RB
45179	900	2	no	no	DT
45179	900	3	better	well	JJR
45179	900	4	word	word	NN
45179	900	5	picture	picture	NN
45179	900	6	can	can	MD
45179	900	7	be	be	VB
45179	900	8	given	give	VBN
45179	900	9	of	of	IN
45179	900	10	what	what	WP
45179	900	11	Dr.	Dr.	NNP
45179	900	12	Robinson	Robinson	NNP
45179	900	13	's	's	POS
45179	900	14	invention	invention	NN
45179	900	15	has	have	VBZ
45179	900	16	meant	mean	VBN
45179	900	17	to	to	IN
45179	900	18	the	the	DT
45179	900	19	railroads	railroad	NNS
45179	900	20	than	than	IN
45179	900	21	to	to	TO
45179	900	22	present	present	VB
45179	900	23	the	the	DT
45179	900	24	story	story	NN
45179	900	25	in	in	IN
45179	900	26	the	the	DT
45179	900	27	form	form	NN
45179	900	28	of	of	IN
45179	900	29	a	a	DT
45179	900	30	table	table	NN
45179	900	31	showing	show	VBG
45179	900	32	the	the	DT
45179	900	33	miles	mile	NNS
45179	900	34	of	of	IN
45179	900	35	road	road	NN
45179	900	36	and	and	CC
45179	900	37	the	the	DT
45179	900	38	track	track	NN
45179	900	39	equipped	equip	VBN
45179	900	40	with	with	IN
45179	900	41	the	the	DT
45179	900	42	track	track	NN
45179	900	43	circuit	circuit	NN
45179	900	44	since	since	IN
45179	900	45	January	January	NNP
45179	900	46	1	1	CD
45179	900	47	,	,	,
45179	900	48	1908	1908	CD
45179	900	49	.	.	.
45179	901	1	In	in	IN
45179	901	2	addition	addition	NN
45179	901	3	to	to	IN
45179	901	4	the	the	DT
45179	901	5	table	table	NN
45179	901	6	,	,	,
45179	901	7	the	the	DT
45179	901	8	accompanying	accompany	VBG
45179	901	9	chart	chart	NN
45179	901	10	presents	present	VBZ
45179	901	11	the	the	DT
45179	901	12	information	information	NN
45179	901	13	in	in	IN
45179	901	14	a	a	DT
45179	901	15	graphical	graphical	JJ
45179	901	16	form	form	NN
45179	901	17	.	.	.
45179	902	1	[	[	-LRB-
45179	902	2	Illustration	illustration	NN
45179	902	3	:	:	:
45179	902	4	Progress	Progress	NNP
45179	902	5	Chart	Chart	NNP
45179	902	6	of	of	IN
45179	902	7	Automatic	Automatic	NNP
45179	902	8	Signal	Signal	NNP
45179	902	9	Installations	Installations	NNPS
45179	902	10	Since	since	IN
45179	902	11	January	January	NNP
45179	902	12	1	1	CD
45179	902	13	,	,	,
45179	902	14	1908	1908	CD
45179	902	15	.	.	.
45179	902	16	]	]	-RRB-
45179	903	1	Track	Track	NNP
45179	903	2	Circuit	Circuit	NNP
45179	903	3	Mileage	Mileage	NNP
45179	903	4	for	for	IN
45179	903	5	Automatic	Automatic	NNP
45179	903	6	and	and	CC
45179	903	7	Controlled	Controlled	NNP
45179	903	8	Manual	Manual	NNP
45179	903	9	Signals	Signals	NNPS
45179	903	10	in	in	IN
45179	903	11	the	the	DT
45179	903	12	United	United	NNP
45179	903	13	States	States	NNP
45179	903	14	as	as	IN
45179	903	15	Taken	take	VBN
45179	903	16	from	from	IN
45179	903	17	I.C.C.	I.C.C.	NNP
45179	904	1	Reports	report	NNS
45179	904	2	----------+-------------------+---------------------------------------	----------+-------------------+---------------------------------------	:
45179	904	3	|	|	NNP
45179	904	4	Automatic	Automatic	NNP
45179	904	5	|	|	NNP
45179	904	6	Controlled	Controlled	NNP
45179	904	7	Manual	Manual	NNP
45179	904	8	+	+	SYM
45179	904	9	---------+---------+-------------------+-------------------	---------+---------+-------------------+-------------------	HYPH
45179	904	10	|	|	NNP
45179	904	11	|	|	CD
45179	904	12	|	|	NNS
45179	904	13	Miles	Miles	NNP
45179	904	14	of	of	IN
45179	904	15	Road	Road	NNP
45179	904	16	|	|	NNP
45179	904	17	Miles	Miles	NNP
45179	904	18	of	of	IN
45179	904	19	Track	Track	NNP
45179	904	20	|	|	NNP
45179	904	21	Miles	Miles	NNP
45179	904	22	|	|	NNP
45179	904	23	Miles	Miles	NNPS
45179	904	24	+	+	NNP
45179	904	25	--------+----------+--------+----------	--------+----------+--------+----------	:
45179	904	26	|	|	NNP
45179	904	27	of	of	IN
45179	904	28	|	|	NNP
45179	904	29	of	of	IN
45179	904	30	|	|	NNP
45179	904	31	Track	Track	NNP
45179	904	32	|Continuous|	|continuous|	NN
45179	904	33	Track	Track	NNP
45179	904	34	|Continuous	|Continuous	NNP
45179	904	35	|	|	NNP
45179	904	36	Road	Road	NNP
45179	904	37	|	|	NNP
45179	904	38	Track	Track	NNP
45179	904	39	|Circuits|	|circuits|	NN
45179	904	40	Track	Track	NNP
45179	904	41	|Circuits|	|Circuits|	NNP
45179	904	42	Track	Track	NNP
45179	904	43	|	|	NNP
45179	904	44	|	|	NNP
45179	904	45	|	|	CD
45179	904	46	at	at	IN
45179	904	47	|	|	CD
45179	904	48	Circuits	Circuits	NNPS
45179	904	49	|	|	NNP
45179	904	50	at	at	IN
45179	904	51	|	|	CD
45179	904	52	Circuits	Circuits	NNP
45179	904	53	|	|	NNP
45179	904	54	|	|	CD
45179	904	55	|Station	|station	CD
45179	904	56	|	|	CD
45179	904	57	|Station	|station	CD
45179	904	58	|	|	NNP
45179	904	59	----------+---------+---------+--------+----------+--------+----------	----------+---------+---------+--------+----------+--------+----------	NFP
45179	904	60	January	January	NNP
45179	904	61	1,|	1,|	NNS
45179	904	62	1908	1908	CD
45179	904	63	|	|	CD
45179	904	64	10,819.3|	10,819.3|	CD
45179	904	65	18,534.1|	18,534.1|	CD
45179	904	66	726.7	726.7	CD
45179	904	67	|	|	CD
45179	904	68	212.0	212.0	CD
45179	904	69	|	|	CD
45179	904	70	2118.0	2118.0	CD
45179	904	71	|	|	CD
45179	904	72	410.8	410.8	CD
45179	904	73	1909	1909	CD
45179	904	74	|	|	CD
45179	904	75	12,174.3|	12,174.3|	CD
45179	904	76	20,590.9|	20,590.9|	CD
45179	904	77	407.6	407.6	CD
45179	904	78	|	|	CD
45179	904	79	572.2	572.2	CD
45179	904	80	|	|	CD
45179	904	81	978.0	978.0	CD
45179	904	82	|	|	CD
45179	904	83	1413.0	1413.0	CD
45179	904	84	1910	1910	CD
45179	904	85	|	|	CD
45179	904	86	14,238.9|	14,238.9|	CD
45179	904	87	23,771.3|	23,771.3|	CD
45179	904	88	385.8	385.8	CD
45179	904	89	|	|	CD
45179	904	90	491.5	491.5	CD
45179	904	91	|	|	CD
45179	904	92	953.5	953.5	CD
45179	904	93	|	|	CD
45179	904	94	1371.3	1371.3	CD
45179	904	95	1911	1911	CD
45179	904	96	|	|	CD
45179	904	97	17,709.8|	17,709.8|	CD
45179	904	98	29,151.6|	29,151.6|	CD
45179	904	99	483.9	483.9	CD
45179	904	100	|	|	CD
45179	904	101	439.4	439.4	CD
45179	904	102	|	|	CD
45179	904	103	1119.3	1119.3	CD
45179	904	104	|	|	CD
45179	904	105	739.9	739.9	CD
45179	904	106	1912	1912	CD
45179	904	107	|	|	CD
45179	904	108	20,300.0|	20,300.0|	CD
45179	904	109	33,343.8|	33,343.8|	CD
45179	904	110	402.0	402.0	CD
45179	904	111	|	|	CD
45179	904	112	295.9	295.9	CD
45179	904	113	|	|	CD
45179	904	114	955.6	955.6	CD
45179	904	115	|	|	CD
45179	904	116	496.0	496.0	CD
45179	904	117	1913	1913	CD
45179	904	118	|	|	NNP
45179	904	119	22,196.6|	22,196.6|	CD
45179	904	120	36,873.0|	36,873.0|	CD
45179	904	121	370.2	370.2	CD
45179	904	122	|	|	CD
45179	904	123	228.3	228.3	CD
45179	904	124	|	|	CD
45179	904	125	868.9	868.9	CD
45179	904	126	|	|	CD
45179	904	127	380.3	380.3	CD
45179	904	128	1914	1914	CD
45179	904	129	|	|	NNP
45179	904	130	26,569.3|	26,569.3|	CD
45179	904	131	44,461.2|	44,461.2|	CD
45179	904	132	275.7	275.7	CD
45179	904	133	|	|	CD
45179	904	134	180.3	180.3	CD
45179	904	135	|	|	CD
45179	904	136	625.3	625.3	CD
45179	904	137	|	|	CD
45179	904	138	281.6	281.6	CD
45179	904	139	1915	1915	CD
45179	904	140	|	|	NNP
45179	904	141	29,863.5|	29,863.5|	CD
45179	904	142	49,442.1|	49,442.1|	CD
45179	904	143	250.5	250.5	CD
45179	904	144	|	|	CD
45179	904	145	145.1	145.1	CD
45179	904	146	|	|	CD
45179	904	147	549.3	549.3	CD
45179	904	148	|	|	CD
45179	904	149	185.7	185.7	CD
45179	904	150	1916	1916	CD
45179	904	151	|	|	NNP
45179	904	152	30,942.5|	30,942.5|	NNP
45179	904	153	51,119.7|	51,119.7|	CD
45179	904	154	255.1	255.1	CD
45179	904	155	|	|	CD
45179	904	156	125.1	125.1	CD
45179	904	157	|	|	CD
45179	904	158	549.6	549.6	CD
45179	904	159	|	|	CD
45179	904	160	179.3	179.3	CD
45179	904	161	1917	1917	CD
45179	904	162	|	|	CD
45179	904	163	32,954.6|	32,954.6|	CD
45179	904	164	53,799.8|	53,799.8|	CD
45179	904	165	230.3	230.3	CD
45179	904	166	|	|	CD
45179	904	167	132.0	132.0	CD
45179	904	168	|	|	CD
45179	904	169	524.8	524.8	CD
45179	904	170	|	|	CD
45179	904	171	155.5	155.5	CD
45179	904	172	1918	1918	CD
45179	904	173	|	|	CD
45179	904	174	35,193.1|	35,193.1|	CD
45179	904	175	57,083.6|	57,083.6|	CD
45179	904	176	208.1	208.1	CD
45179	904	177	|	|	CD
45179	904	178	131.2	131.2	CD
45179	904	179	|	|	CD
45179	904	180	451.6	451.6	CD
45179	904	181	|	|	CD
45179	904	182	154.8	154.8	CD
45179	904	183	1919	1919	CD
45179	904	184	|	|	CD
45179	904	185	36,989.4|	36,989.4|	CD
45179	904	186	59,458.2|	59,458.2|	CD
45179	904	187	221.2	221.2	CD
45179	904	188	|	|	CD
45179	904	189	256.9	256.9	CD
45179	904	190	|	|	CD
45179	904	191	483.8	483.8	CD
45179	904	192	|	|	CD
45179	904	193	441.2	441.2	CD
45179	904	194	1920	1920	CD
45179	904	195	|	|	NNP
45179	904	196	37,968.8|	37,968.8|	NNP
45179	904	197	60,992.3|	60,992.3|	CD
45179	904	198	196.3	196.3	CD
45179	904	199	|	|	CD
45179	904	200	129.2	129.2	CD
45179	904	201	|	|	CD
45179	904	202	413.3	413.3	CD
45179	904	203	|	|	CD
45179	904	204	151.4	151.4	CD
45179	904	205	1921	1921	CD
45179	904	206	|	|	CD
45179	904	207	38,543.9|	38,543.9|	CD
45179	904	208	61,744.5|	61,744.5|	CD
45179	904	209	206.8	206.8	CD
45179	904	210	|	|	CD
45179	904	211	125.7	125.7	CD
45179	904	212	|	|	CD
45179	904	213	422.6	422.6	CD
45179	904	214	|	|	CD
45179	904	215	166.4	166.4	CD
45179	904	216	----------+---------+---------+--------+----------+--------+----------	----------+---------+---------+--------+----------+--------+----------	NFP
45179	904	217	The	the	DT
45179	904	218	first	first	JJ
45179	904	219	yearly	yearly	JJ
45179	904	220	report	report	NN
45179	904	221	of	of	IN
45179	904	222	the	the	DT
45179	904	223	Bureau	Bureau	NNP
45179	904	224	of	of	IN
45179	904	225	Safety	Safety	NNP
45179	904	226	,	,	,
45179	904	227	I.C.C.	I.C.C.	NNP
45179	904	228	,	,	,
45179	904	229	on	on	IN
45179	904	230	block	block	NN
45179	904	231	signals	signal	NNS
45179	904	232	to	to	TO
45179	904	233	contain	contain	VB
45179	904	234	information	information	NN
45179	904	235	as	as	IN
45179	904	236	to	to	IN
45179	904	237	the	the	DT
45179	904	238	miles	mile	NNS
45179	904	239	of	of	IN
45179	904	240	road	road	NN
45179	904	241	and	and	CC
45179	904	242	miles	mile	NNS
45179	904	243	of	of	IN
45179	904	244	track	track	NN
45179	904	245	on	on	IN
45179	904	246	which	which	WDT
45179	904	247	alternating	alternate	VBG
45179	904	248	current	current	JJ
45179	904	249	track	track	NN
45179	904	250	circuits	circuit	NNS
45179	904	251	were	be	VBD
45179	904	252	installed	instal	VBN
45179	904	253	,	,	,
45179	904	254	was	be	VBD
45179	904	255	that	that	DT
45179	904	256	issued	issue	VBN
45179	904	257	as	as	IN
45179	904	258	of	of	IN
45179	904	259	January	January	NNP
45179	904	260	1	1	CD
45179	904	261	,	,	,
45179	904	262	1914	1914	CD
45179	904	263	.	.	.
45179	905	1	Data	datum	NNS
45179	905	2	taken	take	VBN
45179	905	3	from	from	IN
45179	905	4	that	that	DT
45179	905	5	report	report	NN
45179	905	6	up	up	IN
45179	905	7	to	to	IN
45179	905	8	the	the	DT
45179	905	9	last	last	JJ
45179	905	10	one	one	NN
45179	905	11	issued	issue	VBN
45179	905	12	is	be	VBZ
45179	905	13	presented	present	VBN
45179	905	14	in	in	IN
45179	905	15	the	the	DT
45179	905	16	table	table	NN
45179	905	17	below	below	RB
45179	905	18	.	.	.
45179	906	1	Alternating	alternate	VBG
45179	906	2	Current	Current	NNP
45179	906	3	Track	Track	NNP
45179	906	4	Circuit	Circuit	NNP
45179	906	5	Mileage	Mileage	NNP
45179	906	6	----------------+---------------+----------------	----------------+---------------+----------------	CD
45179	906	7	|	|	NNP
45179	906	8	Miles	Miles	NNP
45179	906	9	of	of	IN
45179	906	10	Road	Road	NNP
45179	906	11	|	|	NNP
45179	906	12	Miles	Miles	NNP
45179	906	13	of	of	IN
45179	906	14	Track	Track	NNP
45179	906	15	----------------+---------------+----------------	----------------+---------------+----------------	NFP
45179	906	16	January	January	NNP
45179	906	17	1	1	CD
45179	906	18	,	,	,
45179	906	19	1914	1914	CD
45179	906	20	|	|	NNP
45179	906	21	3,289.2	3,289.2	NNP
45179	906	22	|	|	NNP
45179	906	23	4,144.6	4,144.6	CD
45179	906	24	January	January	NNP
45179	906	25	1	1	CD
45179	906	26	,	,	,
45179	906	27	1915	1915	CD
45179	906	28	|	|	NNP
45179	906	29	2,728.2	2,728.2	CD
45179	906	30	|	|	CD
45179	906	31	5,814.9	5,814.9	CD
45179	906	32	January	January	NNP
45179	906	33	1	1	CD
45179	906	34	,	,	,
45179	906	35	1916	1916	CD
45179	906	36	|	|	NNP
45179	906	37	3,186.7	3,186.7	CD
45179	906	38	|	|	CD
45179	906	39	6,679.0	6,679.0	CD
45179	906	40	January	January	NNP
45179	906	41	1	1	CD
45179	906	42	,	,	,
45179	906	43	1917	1917	CD
45179	906	44	|	|	CD
45179	906	45	3,336.2	3,336.2	CD
45179	906	46	|	|	NNP
45179	906	47	6,823.6	6,823.6	NNP
45179	906	48	January	January	NNP
45179	906	49	1	1	CD
45179	906	50	,	,	,
45179	906	51	1918	1918	CD
45179	906	52	|	|	NNP
45179	906	53	3,748.0	3,748.0	CD
45179	906	54	|	|	NNP
45179	906	55	7,530.1	7,530.1	NNP
45179	906	56	January	January	NNP
45179	906	57	1	1	CD
45179	906	58	,	,	,
45179	906	59	1919	1919	CD
45179	906	60	|	|	CD
45179	906	61	4,496.6	4,496.6	CD
45179	906	62	|	|	CD
45179	906	63	8,620.2	8,620.2	CD
45179	906	64	January	January	NNP
45179	906	65	1	1	CD
45179	906	66	,	,	,
45179	906	67	1920	1920	CD
45179	906	68	|	|	NNP
45179	906	69	4,676.5	4,676.5	CD
45179	906	70	|	|	CD
45179	906	71	9,026.0	9,026.0	CD
45179	906	72	January	January	NNP
45179	906	73	1	1	CD
45179	906	74	,	,	,
45179	906	75	1921	1921	CD
45179	906	76	|	|	NNP
45179	906	77	4,786.1	4,786.1	CD
45179	906	78	|	|	CD
45179	906	79	9,120.2	9,120.2	CD
45179	906	80	----------------+---------------+----------------	----------------+---------------+----------------	NFP
45179	906	81	Alternating	alternate	VBG
45179	906	82	current	current	JJ
45179	906	83	track	track	NN
45179	906	84	circuits	circuit	NNS
45179	906	85	have	have	VBP
45179	906	86	certain	certain	JJ
45179	906	87	advantages	advantage	NNS
45179	906	88	over	over	IN
45179	906	89	direct	direct	JJ
45179	906	90	current	current	JJ
45179	906	91	track	track	NN
45179	906	92	circuits	circuit	NNS
45179	906	93	,	,	,
45179	906	94	particularly	particularly	RB
45179	906	95	in	in	IN
45179	906	96	respect	respect	NN
45179	906	97	to	to	IN
45179	906	98	their	-PRON-	PRP$
45179	906	99	immunity	immunity	NN
45179	906	100	to	to	IN
45179	906	101	the	the	DT
45179	906	102	dangerous	dangerous	JJ
45179	906	103	effects	effect	NNS
45179	906	104	of	of	IN
45179	906	105	foreign	foreign	JJ
45179	906	106	direct	direct	JJ
45179	906	107	current	current	NN
45179	906	108	to	to	IN
45179	906	109	which	which	WDT
45179	906	110	d.c	d.c	NNP
45179	906	111	.	.	NNP
45179	906	112	track	track	NN
45179	906	113	circuits	circuit	NNS
45179	906	114	in	in	IN
45179	906	115	some	some	DT
45179	906	116	communities	community	NNS
45179	906	117	are	be	VBP
45179	906	118	subjected	subject	VBN
45179	906	119	.	.	.
45179	907	1	The	the	DT
45179	907	2	above	above	JJ
45179	907	3	table	table	NN
45179	907	4	is	be	VBZ
45179	907	5	therefore	therefore	RB
45179	907	6	of	of	IN
45179	907	7	interest	interest	NN
45179	907	8	as	as	IN
45179	907	9	it	-PRON-	PRP
45179	907	10	shows	show	VBZ
45179	907	11	the	the	DT
45179	907	12	application	application	NN
45179	907	13	of	of	IN
45179	907	14	alternating	alternate	VBG
45179	907	15	current	current	JJ
45179	907	16	as	as	IN
45179	907	17	made	make	VBN
45179	907	18	to	to	IN
45179	907	19	Dr.	Dr.	NNP
45179	907	20	Robinson	Robinson	NNP
45179	907	21	's	's	POS
45179	907	22	invention	invention	NN
45179	907	23	of	of	IN
45179	907	24	the	the	DT
45179	907	25	closed	closed	JJ
45179	907	26	track	track	NN
45179	907	27	circuit	circuit	NN
45179	907	28	.	.	.
45179	908	1	Part	Part	NNP
45179	908	2	IV	IV	NNP
45179	908	3	THE	the	DT
45179	908	4	TRACK	track	NN
45179	908	5	CIRCUIT	circuit	NN
45179	908	6	IN	in	IN
45179	908	7	GREAT	great	JJ
45179	908	8	BRITAIN	BRITAIN	NNP
45179	908	9	AND	and	CC
45179	908	10	ON	on	IN
45179	908	11	THE	the	DT
45179	908	12	CONTINENT	CONTINENT	NNP
45179	908	13	By	by	IN
45179	908	14	T.	T.	NNP
45179	908	15	S.	S.	NNP
45179	908	16	Lascelles	Lascelles	NNP
45179	908	17	No	no	DT
45179	908	18	satisfactory	satisfactory	JJ
45179	908	19	records	record	NNS
45179	908	20	appear	appear	VBP
45179	908	21	to	to	TO
45179	908	22	have	have	VB
45179	908	23	been	be	VBN
45179	908	24	kept	keep	VBN
45179	908	25	as	as	IN
45179	908	26	to	to	IN
45179	908	27	the	the	DT
45179	908	28	origin	origin	NN
45179	908	29	and	and	CC
45179	908	30	development	development	NN
45179	908	31	of	of	IN
45179	908	32	track	track	NN
45179	908	33	circuiting	circuit	VBG
45179	908	34	outside	outside	IN
45179	908	35	the	the	DT
45179	908	36	United	United	NNP
45179	908	37	States	States	NNP
45179	908	38	,	,	,
45179	908	39	which	which	WDT
45179	908	40	renders	render	VBZ
45179	908	41	it	-PRON-	PRP
45179	908	42	very	very	RB
45179	908	43	difficult	difficult	JJ
45179	908	44	to	to	TO
45179	908	45	arrive	arrive	VB
45179	908	46	at	at	IN
45179	908	47	any	any	DT
45179	908	48	conclusions	conclusion	NNS
45179	908	49	that	that	WDT
45179	908	50	could	could	MD
45179	908	51	serve	serve	VB
45179	908	52	as	as	IN
45179	908	53	a	a	DT
45179	908	54	basis	basis	NN
45179	908	55	for	for	IN
45179	908	56	a	a	DT
45179	908	57	real	real	JJ
45179	908	58	historical	historical	JJ
45179	908	59	sketch	sketch	NN
45179	908	60	upon	upon	IN
45179	908	61	this	this	DT
45179	908	62	interesting	interesting	JJ
45179	908	63	subject	subject	NN
45179	908	64	.	.	.
45179	909	1	In	in	IN
45179	909	2	view	view	NN
45179	909	3	of	of	IN
45179	909	4	the	the	DT
45179	909	5	fact	fact	NN
45179	909	6	that	that	IN
45179	909	7	the	the	DT
45179	909	8	Signal	Signal	NNP
45179	909	9	Section	Section	NNP
45179	909	10	of	of	IN
45179	909	11	the	the	DT
45179	909	12	American	American	NNP
45179	909	13	Railway	Railway	NNP
45179	909	14	Association	Association	NNP
45179	909	15	proposes	propose	VBZ
45179	909	16	to	to	TO
45179	909	17	publish	publish	VB
45179	909	18	a	a	DT
45179	909	19	memorial	memorial	NN
45179	909	20	to	to	IN
45179	909	21	the	the	DT
45179	909	22	late	late	JJ
45179	909	23	Dr.	Dr.	NNP
45179	909	24	William	William	NNP
45179	909	25	Robinson	Robinson	NNP
45179	909	26	,	,	,
45179	909	27	generally	generally	RB
45179	909	28	regarded	regard	VBN
45179	909	29	as	as	IN
45179	909	30	the	the	DT
45179	909	31	inventor	inventor	NN
45179	909	32	of	of	IN
45179	909	33	the	the	DT
45179	909	34	closed	closed	JJ
45179	909	35	track	track	NN
45179	909	36	circuit	circuit	NN
45179	909	37	and	and	CC
45179	909	38	certainly	certainly	RB
45179	909	39	the	the	DT
45179	909	40	first	first	JJ
45179	909	41	to	to	TO
45179	909	42	utilize	utilize	VB
45179	909	43	it	-PRON-	PRP
45179	909	44	in	in	IN
45179	909	45	the	the	DT
45179	909	46	control	control	NN
45179	909	47	of	of	IN
45179	909	48	an	an	DT
45179	909	49	automatic	automatic	JJ
45179	909	50	block	block	NN
45179	909	51	system	system	NN
45179	909	52	,	,	,
45179	909	53	the	the	DT
45179	909	54	following	follow	VBG
45179	909	55	brief	brief	JJ
45179	909	56	remarks	remark	NNS
45179	909	57	may	may	MD
45179	909	58	prove	prove	VB
45179	909	59	of	of	IN
45179	909	60	interest	interest	NN
45179	909	61	to	to	IN
45179	909	62	the	the	DT
45179	909	63	writer	writer	NN
45179	909	64	's	's	POS
45179	909	65	fellow	fellow	JJ
45179	909	66	members	member	NNS
45179	909	67	of	of	IN
45179	909	68	the	the	DT
45179	909	69	Signal	Signal	NNP
45179	909	70	Section	Section	NNP
45179	909	71	.	.	.
45179	910	1	It	-PRON-	PRP
45179	910	2	is	be	VBZ
45179	910	3	not	not	RB
45179	910	4	suggested	suggest	VBN
45179	910	5	that	that	IN
45179	910	6	they	-PRON-	PRP
45179	910	7	are	be	VBP
45179	910	8	in	in	IN
45179	910	9	any	any	DT
45179	910	10	sense	sense	NN
45179	910	11	complete	complete	JJ
45179	910	12	,	,	,
45179	910	13	as	as	IN
45179	910	14	to	to	TO
45179	910	15	make	make	VB
45179	910	16	a	a	DT
45179	910	17	complete	complete	JJ
45179	910	18	survey	survey	NN
45179	910	19	would	would	MD
45179	910	20	require	require	VB
45179	910	21	considerable	considerable	JJ
45179	910	22	investigation	investigation	NN
45179	910	23	.	.	.
45179	911	1	They	-PRON-	PRP
45179	911	2	really	really	RB
45179	911	3	represent	represent	VBP
45179	911	4	the	the	DT
45179	911	5	writer	writer	NN
45179	911	6	's	's	POS
45179	911	7	present	present	JJ
45179	911	8	general	general	JJ
45179	911	9	understanding	understanding	NN
45179	911	10	of	of	IN
45179	911	11	the	the	DT
45179	911	12	subject	subject	NN
45179	911	13	and	and	CC
45179	911	14	are	be	VBP
45179	911	15	open	open	JJ
45179	911	16	to	to	IN
45179	911	17	such	such	JJ
45179	911	18	criticism	criticism	NN
45179	911	19	and	and	CC
45179	911	20	correction	correction	NN
45179	911	21	as	as	IN
45179	911	22	anyone	anyone	NN
45179	911	23	may	may	MD
45179	911	24	be	be	VB
45179	911	25	able	able	JJ
45179	911	26	to	to	TO
45179	911	27	offer	offer	VB
45179	911	28	to	to	IN
45179	911	29	them	-PRON-	PRP
45179	911	30	,	,	,
45179	911	31	in	in	IN
45179	911	32	England	England	NNP
45179	911	33	or	or	CC
45179	911	34	elsewhere	elsewhere	RB
45179	911	35	.	.	.
45179	912	1	There	there	EX
45179	912	2	is	be	VBZ
45179	912	3	no	no	DT
45179	912	4	doubt	doubt	NN
45179	912	5	but	but	CC
45179	912	6	that	that	IN
45179	912	7	track	track	NN
45179	912	8	circuits	circuit	NNS
45179	912	9	were	be	VBD
45179	912	10	thought	think	VBN
45179	912	11	of	of	IN
45179	912	12	and	and	CC
45179	912	13	actually	actually	RB
45179	912	14	experimented	experiment	VBN
45179	912	15	with	with	IN
45179	912	16	in	in	IN
45179	912	17	England	England	NNP
45179	912	18	a	a	DT
45179	912	19	great	great	JJ
45179	912	20	many	many	JJ
45179	912	21	years	year	NNS
45179	912	22	ago	ago	RB
45179	912	23	--	--	:
45179	912	24	probably	probably	RB
45179	912	25	as	as	RB
45179	912	26	far	far	RB
45179	912	27	back	back	RB
45179	912	28	as	as	IN
45179	912	29	the	the	DT
45179	912	30	earliest	early	JJS
45179	912	31	American	american	JJ
45179	912	32	attempts	attempt	NNS
45179	912	33	--	--	:
45179	912	34	but	but	CC
45179	912	35	the	the	DT
45179	912	36	want	want	NN
45179	912	37	of	of	IN
45179	912	38	satisfactory	satisfactory	JJ
45179	912	39	records	record	NNS
45179	912	40	make	make	VBP
45179	912	41	it	-PRON-	PRP
45179	912	42	very	very	RB
45179	912	43	difficult	difficult	JJ
45179	912	44	to	to	TO
45179	912	45	decide	decide	VB
45179	912	46	on	on	IN
45179	912	47	what	what	WP
45179	912	48	actually	actually	RB
45179	912	49	took	take	VBD
45179	912	50	place	place	NN
45179	912	51	.	.	.
45179	913	1	However	however	RB
45179	913	2	,	,	,
45179	913	3	it	-PRON-	PRP
45179	913	4	is	be	VBZ
45179	913	5	certain	certain	JJ
45179	913	6	that	that	IN
45179	913	7	the	the	DT
45179	913	8	late	late	JJ
45179	913	9	W.	W.	NNP
45179	913	10	R.	R.	NNP
45179	913	11	Sykes	Sykes	NNP
45179	913	12	,	,	,
45179	913	13	well	well	RB
45179	913	14	-	-	HYPH
45179	913	15	known	know	VBN
45179	913	16	throughout	throughout	IN
45179	913	17	the	the	DT
45179	913	18	railway	railway	NN
45179	913	19	world	world	NN
45179	913	20	for	for	IN
45179	913	21	his	-PRON-	PRP$
45179	913	22	controlled	control	VBN
45179	913	23	manual	manual	JJ
45179	913	24	block	block	NN
45179	913	25	and	and	CC
45179	913	26	other	other	JJ
45179	913	27	inventions	invention	NNS
45179	913	28	,	,	,
45179	913	29	endeavored	endeavor	VBD
45179	913	30	to	to	TO
45179	913	31	use	use	VB
45179	913	32	the	the	DT
45179	913	33	track	track	NN
45179	913	34	circuit	circuit	NN
45179	913	35	in	in	IN
45179	913	36	the	the	DT
45179	913	37	sixties	sixty	NNS
45179	913	38	and	and	CC
45179	913	39	that	that	IN
45179	913	40	Bull	Bull	NNP
45179	913	41	,	,	,
45179	913	42	the	the	DT
45179	913	43	inventor	inventor	NN
45179	913	44	of	of	IN
45179	913	45	the	the	DT
45179	913	46	bull	bull	NN
45179	913	47	-	-	HYPH
45179	913	48	headed	head	VBN
45179	913	49	rail	rail	NN
45179	913	50	employed	employ	VBN
45179	913	51	in	in	IN
45179	913	52	England	England	NNP
45179	913	53	for	for	IN
45179	913	54	the	the	DT
45179	913	55	chaired	chair	VBN
45179	913	56	track	track	NN
45179	913	57	universally	universally	RB
45179	913	58	found	find	VBD
45179	913	59	there	there	RB
45179	913	60	,	,	,
45179	913	61	clearly	clearly	RB
45179	913	62	had	have	VBD
45179	913	63	the	the	DT
45179	913	64	idea	idea	NN
45179	913	65	of	of	IN
45179	913	66	a	a	DT
45179	913	67	track	track	NN
45179	913	68	circuit	circuit	NN
45179	913	69	in	in	IN
45179	913	70	his	-PRON-	PRP$
45179	913	71	mind	mind	NN
45179	913	72	,	,	,
45179	913	73	for	for	IN
45179	913	74	he	-PRON-	PRP
45179	913	75	refers	refer	VBZ
45179	913	76	to	to	IN
45179	913	77	it	-PRON-	PRP
45179	913	78	in	in	IN
45179	913	79	a	a	DT
45179	913	80	patent	patent	NN
45179	913	81	obtained	obtain	VBN
45179	913	82	in	in	IN
45179	913	83	1860	1860	CD
45179	913	84	.	.	.
45179	914	1	It	-PRON-	PRP
45179	914	2	was	be	VBD
45179	914	3	apparently	apparently	RB
45179	914	4	in	in	IN
45179	914	5	the	the	DT
45179	914	6	early	early	JJ
45179	914	7	part	part	NN
45179	914	8	of	of	IN
45179	914	9	the	the	DT
45179	914	10	sixties	sixty	NNS
45179	914	11	that	that	WDT
45179	914	12	W.	W.	NNP
45179	914	13	R.	R.	NNP
45179	914	14	Sykes	Sykes	NNP
45179	914	15	fixed	fix	VBD
45179	914	16	a	a	DT
45179	914	17	track	track	NN
45179	914	18	circuit	circuit	NN
45179	914	19	experimentally	experimentally	RB
45179	914	20	at	at	IN
45179	914	21	Briseton	Briseton	NNP
45179	914	22	on	on	IN
45179	914	23	the	the	DT
45179	914	24	old	old	JJ
45179	914	25	London	London	NNP
45179	914	26	,	,	,
45179	914	27	Chatham	Chatham	NNP
45179	914	28	and	and	CC
45179	914	29	Dover	Dover	NNP
45179	914	30	Railway	Railway	NNP
45179	914	31	,	,	,
45179	914	32	and	and	CC
45179	914	33	shortly	shortly	RB
45179	914	34	after	after	IN
45179	914	35	also	also	RB
45179	914	36	at	at	IN
45179	914	37	the	the	DT
45179	914	38	Crystal	Crystal	NNP
45179	914	39	Palace	Palace	NNP
45179	914	40	Station	Station	NNP
45179	914	41	on	on	IN
45179	914	42	the	the	DT
45179	914	43	same	same	JJ
45179	914	44	line	line	NN
45179	914	45	.	.	.
45179	915	1	The	the	DT
45179	915	2	apparatus	apparatus	NN
45179	915	3	employed	employ	VBN
45179	915	4	must	must	MD
45179	915	5	necessarily	necessarily	RB
45179	915	6	have	have	VB
45179	915	7	been	be	VBN
45179	915	8	rather	rather	RB
45179	915	9	primitive	primitive	JJ
45179	915	10	.	.	.
45179	916	1	In	in	IN
45179	916	2	the	the	DT
45179	916	3	seventies	seventy	NNS
45179	916	4	,	,	,
45179	916	5	track	track	NN
45179	916	6	circuit	circuit	NN
45179	916	7	was	be	VBD
45179	916	8	installed	instal	VBN
45179	916	9	by	by	IN
45179	916	10	him	-PRON-	PRP
45179	916	11	at	at	IN
45179	916	12	St.	St.	NNP
45179	916	13	Paul	Paul	NNP
45179	916	14	's	's	POS
45179	916	15	station	station	NN
45179	916	16	,	,	,
45179	916	17	also	also	RB
45179	916	18	on	on	IN
45179	916	19	the	the	DT
45179	916	20	Chatham	Chatham	NNP
45179	916	21	Railway	Railway	NNP
45179	916	22	.	.	.
45179	917	1	At	at	IN
45179	917	2	that	that	DT
45179	917	3	time	time	NN
45179	917	4	very	very	RB
45179	917	5	little	little	JJ
45179	917	6	was	be	VBD
45179	917	7	known	know	VBN
45179	917	8	about	about	IN
45179	917	9	the	the	DT
45179	917	10	track	track	NN
45179	917	11	circuit	circuit	NN
45179	917	12	theoretically	theoretically	RB
45179	917	13	and	and	CC
45179	917	14	the	the	DT
45179	917	15	construction	construction	NN
45179	917	16	of	of	IN
45179	917	17	the	the	DT
45179	917	18	relay	relay	NN
45179	917	19	was	be	VBD
45179	917	20	very	very	RB
45179	917	21	different	different	JJ
45179	917	22	from	from	IN
45179	917	23	our	-PRON-	PRP$
45179	917	24	modern	modern	JJ
45179	917	25	types	type	NNS
45179	917	26	.	.	.
45179	918	1	Sykes	Sykes	NNP
45179	918	2	'	'	POS
45179	918	3	relay	relay	NN
45179	918	4	completed	complete	VBD
45179	918	5	the	the	DT
45179	918	6	control	control	NN
45179	918	7	circuit	circuit	NN
45179	918	8	by	by	IN
45179	918	9	the	the	DT
45179	918	10	insertion	insertion	NN
45179	918	11	of	of	IN
45179	918	12	a	a	DT
45179	918	13	contact	contact	NN
45179	918	14	point	point	NN
45179	918	15	into	into	IN
45179	918	16	a	a	DT
45179	918	17	mercury	mercury	NN
45179	918	18	trough	trough	NN
45179	918	19	.	.	.
45179	919	1	It	-PRON-	PRP
45179	919	2	was	be	VBD
45179	919	3	also	also	RB
45179	919	4	,	,	,
45179	919	5	the	the	DT
45179	919	6	writer	writer	NN
45179	919	7	believes	believe	VBZ
45179	919	8	,	,	,
45179	919	9	built	build	VBN
45179	919	10	on	on	IN
45179	919	11	the	the	DT
45179	919	12	solenoid	solenoid	JJ
45179	919	13	principle	principle	NN
45179	919	14	.	.	.
45179	920	1	So	so	RB
45179	920	2	far	far	RB
45179	920	3	as	as	IN
45179	920	4	is	be	VBZ
45179	920	5	known	know	VBN
45179	920	6	it	-PRON-	PRP
45179	920	7	was	be	VBD
45179	920	8	not	not	RB
45179	920	9	suggested	suggest	VBN
45179	920	10	at	at	IN
45179	920	11	this	this	DT
45179	920	12	time	time	NN
45179	920	13	and	and	CC
45179	920	14	at	at	IN
45179	920	15	all	all	DT
45179	920	16	events	event	NNS
45179	920	17	not	not	RB
45179	920	18	attempted	attempt	VBN
45179	920	19	to	to	TO
45179	920	20	make	make	VB
45179	920	21	an	an	DT
45179	920	22	automatic	automatic	JJ
45179	920	23	block	block	NN
45179	920	24	system	system	NN
45179	920	25	controlled	control	VBN
45179	920	26	by	by	IN
45179	920	27	track	track	NN
45179	920	28	circuits	circuit	NNS
45179	920	29	,	,	,
45179	920	30	such	such	JJ
45179	920	31	schemes	scheme	NNS
45179	920	32	for	for	IN
45179	920	33	signaling	signal	VBG
45179	920	34	of	of	IN
45179	920	35	this	this	DT
45179	920	36	type	type	NN
45179	920	37	as	as	IN
45179	920	38	were	be	VBD
45179	920	39	put	put	VBN
45179	920	40	forward	forward	RB
45179	920	41	being	be	VBG
45179	920	42	always	always	RB
45179	920	43	based	base	VBN
45179	920	44	on	on	IN
45179	920	45	the	the	DT
45179	920	46	intermittent	intermittent	NN
45179	920	47	or	or	CC
45179	920	48	track	track	NN
45179	920	49	instrument	instrument	NN
45179	920	50	control	control	NN
45179	920	51	plan	plan	NN
45179	920	52	.	.	.
45179	921	1	It	-PRON-	PRP
45179	921	2	must	must	MD
45179	921	3	be	be	VB
45179	921	4	remembered	remember	VBN
45179	921	5	that	that	IN
45179	921	6	the	the	DT
45179	921	7	conditions	condition	NNS
45179	921	8	obtaining	obtain	VBG
45179	921	9	in	in	IN
45179	921	10	England	England	NNP
45179	921	11	,	,	,
45179	921	12	widely	widely	RB
45179	921	13	different	different	JJ
45179	921	14	from	from	IN
45179	921	15	those	those	DT
45179	921	16	seen	see	VBN
45179	921	17	in	in	IN
45179	921	18	the	the	DT
45179	921	19	United	United	NNP
45179	921	20	States	States	NNP
45179	921	21	,	,	,
45179	921	22	were	be	VBD
45179	921	23	not	not	RB
45179	921	24	such	such	JJ
45179	921	25	as	as	IN
45179	921	26	to	to	TO
45179	921	27	give	give	VB
45179	921	28	much	much	JJ
45179	921	29	encouragement	encouragement	NN
45179	921	30	to	to	IN
45179	921	31	the	the	DT
45179	921	32	development	development	NN
45179	921	33	of	of	IN
45179	921	34	automatic	automatic	JJ
45179	921	35	signaling	signaling	NN
45179	921	36	,	,	,
45179	921	37	while	while	IN
45179	921	38	over	over	RB
45179	921	39	and	and	CC
45179	921	40	above	above	IN
45179	921	41	this	this	DT
45179	921	42	,	,	,
45179	921	43	the	the	DT
45179	921	44	English	english	JJ
45179	921	45	conservative	conservative	JJ
45179	921	46	nature	nature	NN
45179	921	47	always	always	RB
45179	921	48	looked	look	VBD
45179	921	49	askance	askance	NN
45179	921	50	at	at	IN
45179	921	51	automaticity	automaticity	NN
45179	921	52	in	in	IN
45179	921	53	railway	railway	NN
45179	921	54	apparatus	apparatus	NN
45179	921	55	.	.	.
45179	922	1	Automatic	automatic	JJ
45179	922	2	signals	signal	NNS
45179	922	3	,	,	,
45179	922	4	worked	work	VBD
45179	922	5	on	on	IN
45179	922	6	a	a	DT
45179	922	7	track	track	NN
45179	922	8	instrument	instrument	NN
45179	922	9	plan	plan	NN
45179	922	10	,	,	,
45179	922	11	were	be	VBD
45179	922	12	put	put	VBN
45179	922	13	into	into	IN
45179	922	14	regular	regular	JJ
45179	922	15	work	work	NN
45179	922	16	on	on	IN
45179	922	17	the	the	DT
45179	922	18	Liverpool	Liverpool	NNP
45179	922	19	Overhead	Overhead	NNP
45179	922	20	Railway	Railway	NNP
45179	922	21	in	in	IN
45179	922	22	1893	1893	CD
45179	922	23	,	,	,
45179	922	24	but	but	CC
45179	922	25	it	-PRON-	PRP
45179	922	26	was	be	VBD
45179	922	27	not	not	RB
45179	922	28	till	till	IN
45179	922	29	1902	1902	CD
45179	922	30	that	that	IN
45179	922	31	automatic	automatic	JJ
45179	922	32	signals	signal	NNS
45179	922	33	controlled	control	VBN
45179	922	34	by	by	IN
45179	922	35	continuous	continuous	JJ
45179	922	36	closed	closed	JJ
45179	922	37	track	track	NN
45179	922	38	circuits	circuit	NNS
45179	922	39	were	be	VBD
45179	922	40	to	to	TO
45179	922	41	be	be	VB
45179	922	42	seen	see	VBN
45179	922	43	in	in	IN
45179	922	44	operation	operation	NN
45179	922	45	on	on	IN
45179	922	46	an	an	DT
45179	922	47	English	english	JJ
45179	922	48	main	main	JJ
45179	922	49	line	line	NN
45179	922	50	railway	railway	NN
45179	922	51	.	.	.
45179	923	1	Before	before	IN
45179	923	2	this	this	DT
45179	923	3	,	,	,
45179	923	4	however	however	RB
45179	923	5	,	,	,
45179	923	6	track	track	NN
45179	923	7	circuits	circuit	NNS
45179	923	8	had	have	VBD
45179	923	9	made	make	VBN
45179	923	10	some	some	DT
45179	923	11	progress	progress	NN
45179	923	12	,	,	,
45179	923	13	though	though	IN
45179	923	14	not	not	RB
45179	923	15	very	very	RB
45179	923	16	much	much	RB
45179	923	17	;	;	:
45179	923	18	the	the	DT
45179	923	19	most	most	RBS
45179	923	20	important	important	JJ
45179	923	21	instance	instance	NN
45179	923	22	of	of	IN
45179	923	23	its	-PRON-	PRP$
45179	923	24	application	application	NN
45179	923	25	was	be	VBD
45179	923	26	in	in	IN
45179	923	27	the	the	DT
45179	923	28	Kings	king	NNS
45179	923	29	Cross	Cross	NNP
45179	923	30	tunnels	tunnel	NNS
45179	923	31	,	,	,
45179	923	32	just	just	RB
45179	923	33	outside	outside	IN
45179	923	34	the	the	DT
45179	923	35	London	London	NNP
45179	923	36	terminal	terminal	NN
45179	923	37	of	of	IN
45179	923	38	the	the	DT
45179	923	39	Great	Great	NNP
45179	923	40	Northern	Northern	NNP
45179	923	41	Railway	Railway	NNP
45179	923	42	,	,	,
45179	923	43	in	in	IN
45179	923	44	the	the	DT
45179	923	45	early	early	JJ
45179	923	46	nineties	ninety	NNS
45179	923	47	.	.	.
45179	924	1	This	this	DT
45179	924	2	installation	installation	NN
45179	924	3	,	,	,
45179	924	4	which	which	WDT
45179	924	5	was	be	VBD
45179	924	6	used	use	VBN
45179	924	7	under	under	IN
45179	924	8	none	none	NN
45179	924	9	too	too	RB
45179	924	10	favorable	favorable	JJ
45179	924	11	circumstances	circumstance	NNS
45179	924	12	from	from	IN
45179	924	13	the	the	DT
45179	924	14	point	point	NN
45179	924	15	of	of	IN
45179	924	16	view	view	NN
45179	924	17	of	of	IN
45179	924	18	successful	successful	JJ
45179	924	19	operation	operation	NN
45179	924	20	,	,	,
45179	924	21	proved	prove	VBD
45179	924	22	to	to	IN
45179	924	23	the	the	DT
45179	924	24	English	English	NNP
45179	924	25	what	what	WP
45179	924	26	the	the	DT
45179	924	27	track	track	NN
45179	924	28	circuit	circuit	NN
45179	924	29	could	could	MD
45179	924	30	do	do	VB
45179	924	31	and	and	CC
45179	924	32	heralded	herald	VBD
45179	924	33	the	the	DT
45179	924	34	day	day	NN
45179	924	35	when	when	WRB
45179	924	36	its	-PRON-	PRP$
45179	924	37	place	place	NN
45179	924	38	in	in	IN
45179	924	39	the	the	DT
45179	924	40	safe	safe	JJ
45179	924	41	working	working	NN
45179	924	42	of	of	IN
45179	924	43	railways	railway	NNS
45179	924	44	should	should	MD
45179	924	45	be	be	VB
45179	924	46	better	well	RBR
45179	924	47	appreciated	appreciate	VBN
45179	924	48	.	.	.
45179	925	1	By	by	IN
45179	925	2	this	this	DT
45179	925	3	time	time	NN
45179	925	4	in	in	IN
45179	925	5	the	the	DT
45179	925	6	United	United	NNP
45179	925	7	States	States	NNP
45179	925	8	,	,	,
45179	925	9	largely	largely	RB
45179	925	10	under	under	IN
45179	925	11	the	the	DT
45179	925	12	influence	influence	NN
45179	925	13	of	of	IN
45179	925	14	the	the	DT
45179	925	15	pioneer	pioneer	NN
45179	925	16	work	work	NN
45179	925	17	of	of	IN
45179	925	18	Dr.	Dr.	NNP
45179	925	19	Robinson	Robinson	NNP
45179	925	20	,	,	,
45179	925	21	automatic	automatic	JJ
45179	925	22	signaling	signaling	NN
45179	925	23	had	have	VBD
45179	925	24	made	make	VBN
45179	925	25	quite	quite	RB
45179	925	26	considerable	considerable	JJ
45179	925	27	progress	progress	NN
45179	925	28	and	and	CC
45179	925	29	the	the	DT
45179	925	30	potentialities	potentiality	NNS
45179	925	31	of	of	IN
45179	925	32	the	the	DT
45179	925	33	track	track	NN
45179	925	34	circuit	circuit	NN
45179	925	35	had	have	VBD
45179	925	36	been	be	VBN
45179	925	37	fairly	fairly	RB
45179	925	38	realized	realize	VBN
45179	925	39	.	.	.
45179	926	1	It	-PRON-	PRP
45179	926	2	may	may	MD
45179	926	3	occur	occur	VB
45179	926	4	to	to	IN
45179	926	5	Americans	Americans	NNPS
45179	926	6	to	to	TO
45179	926	7	ask	ask	VB
45179	926	8	why	why	WRB
45179	926	9	it	-PRON-	PRP
45179	926	10	was	be	VBD
45179	926	11	that	that	DT
45179	926	12	progress	progress	NN
45179	926	13	in	in	IN
45179	926	14	England	England	NNP
45179	926	15	was	be	VBD
45179	926	16	so	so	RB
45179	926	17	slow	slow	JJ
45179	926	18	and	and	CC
45179	926	19	this	this	DT
45179	926	20	is	be	VBZ
45179	926	21	a	a	DT
45179	926	22	question	question	NN
45179	926	23	which	which	WDT
45179	926	24	can	can	MD
45179	926	25	not	not	RB
45179	926	26	be	be	VB
45179	926	27	answered	answer	VBN
45179	926	28	by	by	IN
45179	926	29	a	a	DT
45179	926	30	single	single	JJ
45179	926	31	reason	reason	NN
45179	926	32	since	since	IN
45179	926	33	a	a	DT
45179	926	34	combination	combination	NN
45179	926	35	of	of	IN
45179	926	36	circumstances	circumstance	NNS
45179	926	37	was	be	VBD
45179	926	38	the	the	DT
45179	926	39	cause	cause	NN
45179	926	40	.	.	.
45179	927	1	In	in	IN
45179	927	2	the	the	DT
45179	927	3	first	first	JJ
45179	927	4	place	place	NN
45179	927	5	the	the	DT
45179	927	6	older	old	JJR
45179	927	7	type	type	NN
45179	927	8	of	of	IN
45179	927	9	English	english	JJ
45179	927	10	signal	signal	NN
45179	927	11	officer	officer	NN
45179	927	12	was	be	VBD
45179	927	13	extraordinarily	extraordinarily	RB
45179	927	14	conservative	conservative	JJ
45179	927	15	regarding	regard	VBG
45179	927	16	signaling	signal	VBG
45179	927	17	practice	practice	NN
45179	927	18	of	of	IN
45179	927	19	other	other	JJ
45179	927	20	countries	country	NNS
45179	927	21	as	as	IN
45179	927	22	he	-PRON-	PRP
45179	927	23	had	have	VBD
45179	927	24	that	that	DT
45179	927	25	peculiar	peculiar	JJ
45179	927	26	type	type	NN
45179	927	27	of	of	IN
45179	927	28	contempt	contempt	NN
45179	927	29	which	which	WDT
45179	927	30	generally	generally	RB
45179	927	31	comes	come	VBZ
45179	927	32	from	from	IN
45179	927	33	want	want	NN
45179	927	34	of	of	IN
45179	927	35	knowledge	knowledge	NN
45179	927	36	.	.	.
45179	928	1	Anyone	anyone	NN
45179	928	2	who	who	WP
45179	928	3	,	,	,
45179	928	4	like	like	IN
45179	928	5	the	the	DT
45179	928	6	writer	writer	NN
45179	928	7	,	,	,
45179	928	8	listened	listen	VBD
45179	928	9	for	for	IN
45179	928	10	instance	instance	NN
45179	928	11	to	to	IN
45179	928	12	the	the	DT
45179	928	13	objections	objection	NNS
45179	928	14	brought	bring	VBN
45179	928	15	forward	forward	RP
45179	928	16	by	by	IN
45179	928	17	some	some	DT
45179	928	18	of	of	IN
45179	928	19	these	these	DT
45179	928	20	men	man	NNS
45179	928	21	to	to	IN
45179	928	22	controlled	control	VBN
45179	928	23	manual	manual	JJ
45179	928	24	block	block	NN
45179	928	25	,	,	,
45179	928	26	will	will	MD
45179	928	27	know	know	VB
45179	928	28	to	to	IN
45179	928	29	what	what	WP
45179	928	30	absurd	absurd	JJ
45179	928	31	lengths	length	NNS
45179	928	32	they	-PRON-	PRP
45179	928	33	could	could	MD
45179	928	34	go	go	VB
45179	928	35	in	in	RP
45179	928	36	resisting	resist	VBG
45179	928	37	improvements	improvement	NNS
45179	928	38	in	in	IN
45179	928	39	working	work	VBG
45179	928	40	.	.	.
45179	929	1	Although	although	IN
45179	929	2	this	this	DT
45179	929	3	spirit	spirit	NN
45179	929	4	,	,	,
45179	929	5	which	which	WDT
45179	929	6	has	have	VBZ
45179	929	7	markedly	markedly	RB
45179	929	8	diminished	diminish	VBN
45179	929	9	during	during	IN
45179	929	10	the	the	DT
45179	929	11	last	last	JJ
45179	929	12	15	15	CD
45179	929	13	years	year	NNS
45179	929	14	,	,	,
45179	929	15	must	must	MD
45179	929	16	have	have	VB
45179	929	17	accounted	account	VBN
45179	929	18	to	to	IN
45179	929	19	some	some	DT
45179	929	20	extent	extent	NN
45179	929	21	for	for	IN
45179	929	22	the	the	DT
45179	929	23	slow	slow	JJ
45179	929	24	development	development	NN
45179	929	25	of	of	IN
45179	929	26	the	the	DT
45179	929	27	track	track	NN
45179	929	28	circuit	circuit	NN
45179	929	29	in	in	IN
45179	929	30	England	England	NNP
45179	929	31	,	,	,
45179	929	32	there	there	EX
45179	929	33	were	be	VBD
45179	929	34	yet	yet	RB
45179	929	35	some	some	DT
45179	929	36	reasons	reason	NNS
45179	929	37	of	of	IN
45179	929	38	a	a	DT
45179	929	39	more	more	RBR
45179	929	40	sensible	sensible	JJ
45179	929	41	kind	kind	NN
45179	929	42	which	which	WDT
45179	929	43	must	must	MD
45179	929	44	be	be	VB
45179	929	45	borne	bear	VBN
45179	929	46	in	in	IN
45179	929	47	mind	mind	NN
45179	929	48	.	.	.
45179	930	1	The	the	DT
45179	930	2	English	English	NNP
45179	930	3	light	light	NN
45179	930	4	weight	weight	NN
45179	930	5	four	four	CD
45179	930	6	-	-	HYPH
45179	930	7	wheeled	wheeled	JJ
45179	930	8	freight	freight	NN
45179	930	9	car	car	NN
45179	930	10	without	without	IN
45179	930	11	air	air	NN
45179	930	12	brakes	brake	NNS
45179	930	13	was	be	VBD
45179	930	14	and	and	CC
45179	930	15	still	still	RB
45179	930	16	is	be	VBZ
45179	930	17	a	a	DT
45179	930	18	bother	bother	NN
45179	930	19	to	to	IN
45179	930	20	the	the	DT
45179	930	21	track	track	NN
45179	930	22	circuit	circuit	NN
45179	930	23	engineer	engineer	NN
45179	930	24	because	because	IN
45179	930	25	of	of	IN
45179	930	26	the	the	DT
45179	930	27	difficulty	difficulty	NN
45179	930	28	of	of	IN
45179	930	29	getting	get	VBG
45179	930	30	a	a	DT
45179	930	31	satisfactorily	satisfactorily	RB
45179	930	32	low	low	JJ
45179	930	33	shunt	shunt	NN
45179	930	34	under	under	IN
45179	930	35	all	all	DT
45179	930	36	circumstances	circumstance	NNS
45179	930	37	.	.	.
45179	931	1	Then	then	RB
45179	931	2	again	again	RB
45179	931	3	the	the	DT
45179	931	4	Mansell	Mansell	NNP
45179	931	5	disc	disc	NN
45179	931	6	wheel	wheel	NN
45179	931	7	made	make	VBD
45179	931	8	it	-PRON-	PRP
45179	931	9	necessary	necessary	JJ
45179	931	10	to	to	TO
45179	931	11	resort	resort	VB
45179	931	12	to	to	IN
45179	931	13	bonding	bond	VBG
45179	931	14	between	between	IN
45179	931	15	the	the	DT
45179	931	16	tire	tire	NN
45179	931	17	and	and	CC
45179	931	18	the	the	DT
45179	931	19	hub	hub	NN
45179	931	20	before	before	IN
45179	931	21	a	a	DT
45179	931	22	vehicle	vehicle	NN
45179	931	23	would	would	MD
45179	931	24	shunt	shunt	VB
45179	931	25	the	the	DT
45179	931	26	track	track	NN
45179	931	27	circuit	circuit	NN
45179	931	28	at	at	RB
45179	931	29	all	all	RB
45179	931	30	and	and	CC
45179	931	31	this	this	DT
45179	931	32	was	be	VBD
45179	931	33	an	an	DT
45179	931	34	expense	expense	NN
45179	931	35	to	to	TO
45179	931	36	which	which	WDT
45179	931	37	the	the	DT
45179	931	38	companies	company	NNS
45179	931	39	were	be	VBD
45179	931	40	loath	loath	JJ
45179	931	41	to	to	TO
45179	931	42	go	go	VB
45179	931	43	,	,	,
45179	931	44	especially	especially	RB
45179	931	45	if	if	IN
45179	931	46	they	-PRON-	PRP
45179	931	47	had	have	VBD
45179	931	48	or	or	CC
45179	931	49	contemplated	contemplate	VBN
45179	931	50	very	very	RB
45179	931	51	few	few	JJ
45179	931	52	track	track	NN
45179	931	53	circuits	circuit	NNS
45179	931	54	,	,	,
45179	931	55	though	though	IN
45179	931	56	the	the	DT
45179	931	57	use	use	NN
45179	931	58	of	of	IN
45179	931	59	even	even	RB
45179	931	60	one	one	CD
45179	931	61	circuit	circuit	NN
45179	931	62	really	really	RB
45179	931	63	necessitated	necessitate	VBD
45179	931	64	the	the	DT
45179	931	65	whole	whole	NN
45179	931	66	of	of	IN
45179	931	67	these	these	DT
45179	931	68	wheels	wheel	NNS
45179	931	69	being	be	VBG
45179	931	70	so	so	RB
45179	931	71	treated	treat	VBN
45179	931	72	.	.	.
45179	932	1	There	there	EX
45179	932	2	was	be	VBD
45179	932	3	no	no	DT
45179	932	4	great	great	JJ
45179	932	5	demand	demand	NN
45179	932	6	for	for	IN
45179	932	7	automatic	automatic	JJ
45179	932	8	signaling	signaling	NN
45179	932	9	,	,	,
45179	932	10	as	as	IN
45179	932	11	the	the	DT
45179	932	12	manual	manual	JJ
45179	932	13	system	system	NN
45179	932	14	was	be	VBD
45179	932	15	giving	give	VBG
45179	932	16	good	good	JJ
45179	932	17	results	result	NNS
45179	932	18	and	and	CC
45179	932	19	was	be	VBD
45179	932	20	also	also	RB
45179	932	21	cheap	cheap	JJ
45179	932	22	at	at	IN
45179	932	23	that	that	DT
45179	932	24	time	time	NN
45179	932	25	,	,	,
45179	932	26	owing	owe	VBG
45179	932	27	to	to	IN
45179	932	28	the	the	DT
45179	932	29	low	low	JJ
45179	932	30	wages	wage	NNS
45179	932	31	paid	pay	VBN
45179	932	32	to	to	TO
45179	932	33	railway	railway	VB
45179	932	34	men	man	NNS
45179	932	35	.	.	.
45179	933	1	This	this	DT
45179	933	2	and	and	CC
45179	933	3	the	the	DT
45179	933	4	other	other	JJ
45179	933	5	reasons	reason	NNS
45179	933	6	just	just	RB
45179	933	7	given	give	VBN
45179	933	8	combined	combine	VBN
45179	933	9	to	to	TO
45179	933	10	render	render	VB
45179	933	11	the	the	DT
45179	933	12	progress	progress	NN
45179	933	13	in	in	IN
45179	933	14	England	England	NNP
45179	933	15	extremely	extremely	RB
45179	933	16	slow	slow	JJ
45179	933	17	.	.	.
45179	934	1	Some	some	DT
45179	934	2	of	of	IN
45179	934	3	the	the	DT
45179	934	4	First	First	NNP
45179	934	5	Installations	Installations	NNPS
45179	934	6	Nevertheless	nevertheless	RB
45179	934	7	,	,	,
45179	934	8	in	in	IN
45179	934	9	1902	1902	CD
45179	934	10	the	the	DT
45179	934	11	British	British	NNP
45179	934	12	Pneumatic	Pneumatic	NNP
45179	934	13	Railway	Railway	NNP
45179	934	14	Signal	Signal	NNP
45179	934	15	Company	Company	NNP
45179	934	16	,	,	,
45179	934	17	who	who	WP
45179	934	18	had	have	VBD
45179	934	19	in	in	IN
45179	934	20	the	the	DT
45179	934	21	previous	previous	JJ
45179	934	22	year	year	NN
45179	934	23	installed	instal	VBD
45179	934	24	its	-PRON-	PRP$
45179	934	25	first	first	JJ
45179	934	26	low	low	JJ
45179	934	27	pressure	pressure	NN
45179	934	28	pneumatic	pneumatic	JJ
45179	934	29	interlocking	interlock	VBG
45179	934	30	at	at	IN
45179	934	31	Grateley	Grateley	NNP
45179	934	32	,	,	,
45179	934	33	on	on	IN
45179	934	34	the	the	DT
45179	934	35	London	London	NNP
45179	934	36	and	and	CC
45179	934	37	South	South	NNP
45179	934	38	Western	Western	NNP
45179	934	39	Railway	Railway	NNP
45179	934	40	,	,	,
45179	934	41	brought	bring	VBD
45179	934	42	into	into	IN
45179	934	43	use	use	NN
45179	934	44	between	between	IN
45179	934	45	that	that	DT
45179	934	46	station	station	NN
45179	934	47	and	and	CC
45179	934	48	Andover	Andover	NNP
45179	934	49	an	an	DT
45179	934	50	automatic	automatic	JJ
45179	934	51	block	block	NN
45179	934	52	system	system	NN
45179	934	53	controlled	control	VBN
45179	934	54	by	by	IN
45179	934	55	continuous	continuous	JJ
45179	934	56	track	track	NN
45179	934	57	circuits	circuit	NNS
45179	934	58	,	,	,
45179	934	59	the	the	DT
45179	934	60	distance	distance	NN
45179	934	61	being	be	VBG
45179	934	62	about	about	RB
45179	934	63	six	six	CD
45179	934	64	miles	mile	NNS
45179	934	65	.	.	.
45179	935	1	The	the	DT
45179	935	2	signals	signal	NNS
45179	935	3	were	be	VBD
45179	935	4	worked	work	VBN
45179	935	5	by	by	IN
45179	935	6	low	low	JJ
45179	935	7	pressure	pressure	NN
45179	935	8	air	air	NN
45179	935	9	.	.	.
45179	936	1	The	the	DT
45179	936	2	success	success	NN
45179	936	3	of	of	IN
45179	936	4	these	these	DT
45179	936	5	systems	system	NNS
45179	936	6	led	lead	VBD
45179	936	7	to	to	IN
45179	936	8	the	the	DT
45179	936	9	adoption	adoption	NN
45179	936	10	of	of	IN
45179	936	11	them	-PRON-	PRP
45179	936	12	shortly	shortly	RB
45179	936	13	afterwards	afterwards	RB
45179	936	14	on	on	IN
45179	936	15	the	the	DT
45179	936	16	widened	widened	JJ
45179	936	17	four	four	CD
45179	936	18	-	-	HYPH
45179	936	19	track	track	NN
45179	936	20	main	main	JJ
45179	936	21	line	line	NN
45179	936	22	between	between	IN
45179	936	23	Woking	Woking	NNP
45179	936	24	and	and	CC
45179	936	25	Basingstoke	Basingstoke	NNP
45179	936	26	on	on	IN
45179	936	27	the	the	DT
45179	936	28	South	South	NNP
45179	936	29	Western	Western	NNP
45179	936	30	,	,	,
45179	936	31	a	a	DT
45179	936	32	distance	distance	NN
45179	936	33	of	of	IN
45179	936	34	24	24	CD
45179	936	35	miles	mile	NNS
45179	936	36	.	.	.
45179	937	1	The	the	DT
45179	937	2	Grateley	Grateley	NNP
45179	937	3	-	-	HYPH
45179	937	4	Andover	Andover	NNP
45179	937	5	installation	installation	NN
45179	937	6	has	have	VBZ
45179	937	7	now	now	RB
45179	937	8	been	be	VBN
45179	937	9	removed	remove	VBN
45179	937	10	,	,	,
45179	937	11	not	not	RB
45179	937	12	because	because	IN
45179	937	13	it	-PRON-	PRP
45179	937	14	was	be	VBD
45179	937	15	at	at	RB
45179	937	16	all	all	RB
45179	937	17	unsatisfactory	unsatisfactory	JJ
45179	937	18	,	,	,
45179	937	19	but	but	CC
45179	937	20	because	because	IN
45179	937	21	it	-PRON-	PRP
45179	937	22	was	be	VBD
45179	937	23	felt	feel	VBN
45179	937	24	traffic	traffic	NN
45179	937	25	and	and	CC
45179	937	26	other	other	JJ
45179	937	27	circumstances	circumstance	NNS
45179	937	28	did	do	VBD
45179	937	29	not	not	RB
45179	937	30	warrant	warrant	VB
45179	937	31	its	-PRON-	PRP$
45179	937	32	further	further	JJ
45179	937	33	employment	employment	NN
45179	937	34	.	.	.
45179	938	1	In	in	IN
45179	938	2	1905	1905	CD
45179	938	3	,	,	,
45179	938	4	Hall	Hall	NNP
45179	938	5	electro	electro	NNP
45179	938	6	-	-	HYPH
45179	938	7	gas	gas	NN
45179	938	8	automatic	automatic	JJ
45179	938	9	signals	signal	NNS
45179	938	10	were	be	VBD
45179	938	11	brought	bring	VBN
45179	938	12	into	into	IN
45179	938	13	use	use	NN
45179	938	14	on	on	IN
45179	938	15	the	the	DT
45179	938	16	North	north	JJ
45179	938	17	Eastern	eastern	JJ
45179	938	18	main	main	JJ
45179	938	19	line	line	NN
45179	938	20	between	between	IN
45179	938	21	Alne	Alne	NNP
45179	938	22	and	and	CC
45179	938	23	Thirsk	Thirsk	NNP
45179	938	24	,	,	,
45179	938	25	a	a	DT
45179	938	26	distance	distance	NN
45179	938	27	of	of	IN
45179	938	28	11	11	CD
45179	938	29	miles	mile	NNS
45179	938	30	.	.	.
45179	939	1	In	in	IN
45179	939	2	1907	1907	CD
45179	939	3	,	,	,
45179	939	4	semi	semi	JJ
45179	939	5	-	-	JJ
45179	939	6	automatic	automatic	JJ
45179	939	7	signals	signal	NNS
45179	939	8	were	be	VBD
45179	939	9	installed	instal	VBN
45179	939	10	between	between	IN
45179	939	11	Pangbourne	Pangbourne	NNP
45179	939	12	and	and	CC
45179	939	13	Goring	Goring	NNP
45179	939	14	,	,	,
45179	939	15	a	a	DT
45179	939	16	distance	distance	NN
45179	939	17	of	of	IN
45179	939	18	2	2	CD
45179	939	19	-	-	HYPH
45179	939	20	3/4	3/4	CD
45179	939	21	miles	mile	NNS
45179	939	22	,	,	,
45179	939	23	four	four	CD
45179	939	24	track	track	NN
45179	939	25	,	,	,
45179	939	26	by	by	IN
45179	939	27	the	the	DT
45179	939	28	Great	Great	NNP
45179	939	29	Western	Western	NNP
45179	939	30	Railway	Railway	NNP
45179	939	31	to	to	TO
45179	939	32	divide	divide	VB
45179	939	33	up	up	RP
45179	939	34	a	a	DT
45179	939	35	long	long	JJ
45179	939	36	manual	manual	JJ
45179	939	37	block	block	NN
45179	939	38	section	section	NN
45179	939	39	and	and	CC
45179	939	40	a	a	DT
45179	939	41	few	few	JJ
45179	939	42	similar	similar	JJ
45179	939	43	installations	installation	NNS
45179	939	44	have	have	VBP
45179	939	45	been	be	VBN
45179	939	46	made	make	VBN
45179	939	47	on	on	IN
45179	939	48	the	the	DT
45179	939	49	Midland	Midland	NNP
45179	939	50	,	,	,
45179	939	51	the	the	DT
45179	939	52	Great	Great	NNP
45179	939	53	Central	Central	NNP
45179	939	54	,	,	,
45179	939	55	the	the	DT
45179	939	56	Belfast	Belfast	NNP
45179	939	57	and	and	CC
45179	939	58	County	County	NNP
45179	939	59	Down	Down	NNP
45179	939	60	and	and	CC
45179	939	61	other	other	JJ
45179	939	62	roads	road	NNS
45179	939	63	.	.	.
45179	940	1	By	by	IN
45179	940	2	this	this	DT
45179	940	3	year	year	NN
45179	940	4	,	,	,
45179	940	5	track	track	NN
45179	940	6	circuiting	circuiting	NN
45179	940	7	had	have	VBD
45179	940	8	begun	begin	VBN
45179	940	9	to	to	TO
45179	940	10	be	be	VB
45179	940	11	extensively	extensively	RB
45179	940	12	used	use	VBN
45179	940	13	in	in	IN
45179	940	14	England	England	NNP
45179	940	15	.	.	.
45179	941	1	The	the	DT
45179	941	2	British	British	NNP
45179	941	3	Pneumatic	Pneumatic	NNP
45179	941	4	Signal	Signal	NNP
45179	941	5	Company	Company	NNP
45179	941	6	had	have	VBD
45179	941	7	installed	instal	VBN
45179	941	8	a	a	DT
45179	941	9	series	series	NN
45179	941	10	of	of	IN
45179	941	11	low	low	JJ
45179	941	12	-	-	HYPH
45179	941	13	pressure	pressure	NN
45179	941	14	plants	plant	NNS
45179	941	15	near	near	IN
45179	941	16	Manchester	Manchester	NNP
45179	941	17	on	on	IN
45179	941	18	the	the	DT
45179	941	19	Great	Great	NNP
45179	941	20	Central	Central	NNP
45179	941	21	and	and	CC
45179	941	22	track	track	NN
45179	941	23	circuits	circuit	NNS
45179	941	24	were	be	VBD
45179	941	25	used	use	VBN
45179	941	26	throughout	throughout	IN
45179	941	27	while	while	IN
45179	941	28	the	the	DT
45179	941	29	same	same	JJ
45179	941	30	thing	thing	NN
45179	941	31	had	have	VBD
45179	941	32	been	be	VBN
45179	941	33	done	do	VBN
45179	941	34	at	at	IN
45179	941	35	Clapham	Clapham	NNP
45179	941	36	Junction	Junction	NNP
45179	941	37	on	on	IN
45179	941	38	the	the	DT
45179	941	39	South	South	NNP
45179	941	40	Western	Western	NNP
45179	941	41	.	.	.
45179	942	1	The	the	DT
45179	942	2	Westinghouse	Westinghouse	NNP
45179	942	3	Company	Company	NNP
45179	942	4	had	have	VBD
45179	942	5	supplied	supply	VBN
45179	942	6	the	the	DT
45179	942	7	District	District	NNP
45179	942	8	Railway	Railway	NNP
45179	942	9	,	,	,
45179	942	10	London	London	NNP
45179	942	11	,	,	,
45179	942	12	with	with	IN
45179	942	13	automatic	automatic	JJ
45179	942	14	signals	signal	NNS
45179	942	15	and	and	CC
45179	942	16	were	be	VBD
45179	942	17	actively	actively	RB
45179	942	18	engaged	engage	VBN
45179	942	19	in	in	IN
45179	942	20	fitting	fitting	JJ
45179	942	21	similar	similar	JJ
45179	942	22	apparatus	apparatus	NN
45179	942	23	to	to	IN
45179	942	24	the	the	DT
45179	942	25	tube	tube	NN
45179	942	26	lines	line	NNS
45179	942	27	;	;	:
45179	942	28	they	-PRON-	PRP
45179	942	29	soon	soon	RB
45179	942	30	afterwards	afterwards	RB
45179	942	31	commenced	commence	VBD
45179	942	32	work	work	NN
45179	942	33	on	on	IN
45179	942	34	the	the	DT
45179	942	35	Metropolitan	Metropolitan	NNP
45179	942	36	Railway	Railway	NNP
45179	942	37	.	.	.
45179	943	1	The	the	DT
45179	943	2	main	main	JJ
45179	943	3	steam	steam	NN
45179	943	4	lines	line	NNS
45179	943	5	began	begin	VBD
45179	943	6	to	to	TO
45179	943	7	apply	apply	VB
45179	943	8	track	track	NN
45179	943	9	circuits	circuit	NNS
45179	943	10	at	at	IN
45179	943	11	various	various	JJ
45179	943	12	places	place	NNS
45179	943	13	in	in	IN
45179	943	14	conjunction	conjunction	NN
45179	943	15	with	with	IN
45179	943	16	ordinary	ordinary	JJ
45179	943	17	manual	manual	JJ
45179	943	18	signaling	signaling	NN
45179	943	19	and	and	CC
45179	943	20	this	this	DT
45179	943	21	process	process	NN
45179	943	22	received	receive	VBD
45179	943	23	an	an	DT
45179	943	24	added	add	VBN
45179	943	25	impetus	impetus	NN
45179	943	26	from	from	IN
45179	943	27	the	the	DT
45179	943	28	terrible	terrible	JJ
45179	943	29	disaster	disaster	NN
45179	943	30	which	which	WDT
45179	943	31	befell	befall	VBD
45179	943	32	the	the	DT
45179	943	33	Midland	Midland	NNP
45179	943	34	Company	Company	NNP
45179	943	35	's	's	POS
45179	943	36	Scotch	Scotch	NNP
45179	943	37	Express	Express	NNP
45179	943	38	near	near	IN
45179	943	39	a	a	DT
45179	943	40	station	station	NN
45179	943	41	called	call	VBN
45179	943	42	Hawes	Hawes	NNP
45179	943	43	Junction	Junction	NNP
45179	943	44	,	,	,
45179	943	45	when	when	WRB
45179	943	46	,	,	,
45179	943	47	in	in	IN
45179	943	48	emerging	emerge	VBG
45179	943	49	from	from	IN
45179	943	50	a	a	DT
45179	943	51	tunnel	tunnel	NN
45179	943	52	it	-PRON-	PRP
45179	943	53	crashed	crash	VBD
45179	943	54	into	into	IN
45179	943	55	two	two	CD
45179	943	56	light	light	JJ
45179	943	57	engines	engine	NNS
45179	943	58	that	that	WDT
45179	943	59	had	have	VBD
45179	943	60	been	be	VBN
45179	943	61	forgotten	forget	VBN
45179	943	62	and	and	CC
45179	943	63	had	have	VBD
45179	943	64	entered	enter	VBN
45179	943	65	the	the	DT
45179	943	66	block	block	NN
45179	943	67	under	under	IN
45179	943	68	the	the	DT
45179	943	69	signals	signal	NNS
45179	943	70	set	set	VBN
45179	943	71	for	for	IN
45179	943	72	the	the	DT
45179	943	73	express	express	NN
45179	943	74	.	.	.
45179	944	1	Several	several	JJ
45179	944	2	other	other	JJ
45179	944	3	bad	bad	JJ
45179	944	4	accidents	accident	NNS
45179	944	5	,	,	,
45179	944	6	notably	notably	RB
45179	944	7	one	one	CD
45179	944	8	at	at	IN
45179	944	9	Pontypridd	Pontypridd	NNP
45179	944	10	,	,	,
45179	944	11	on	on	IN
45179	944	12	the	the	DT
45179	944	13	Taff	Taff	NNP
45179	944	14	Vale	Vale	NNP
45179	944	15	Railway	Railway	NNP
45179	944	16	,	,	,
45179	944	17	due	due	IN
45179	944	18	to	to	IN
45179	944	19	trains	train	NNS
45179	944	20	and	and	CC
45179	944	21	engines	engine	NNS
45179	944	22	being	be	VBG
45179	944	23	overlooked	overlook	VBN
45179	944	24	by	by	IN
45179	944	25	signalmen	signalman	NNS
45179	944	26	while	while	IN
45179	944	27	standing	stand	VBG
45179	944	28	at	at	IN
45179	944	29	adverse	adverse	JJ
45179	944	30	signals	signal	NNS
45179	944	31	,	,	,
45179	944	32	emphasized	emphasize	VBD
45179	944	33	the	the	DT
45179	944	34	necessity	necessity	NN
45179	944	35	for	for	IN
45179	944	36	paying	pay	VBG
45179	944	37	serious	serious	JJ
45179	944	38	attention	attention	NN
45179	944	39	to	to	IN
45179	944	40	the	the	DT
45179	944	41	question	question	NN
45179	944	42	of	of	IN
45179	944	43	track	track	NN
45179	944	44	circuiting	circuiting	NN
45179	944	45	and	and	CC
45179	944	46	for	for	IN
45179	944	47	undertaking	undertake	VBG
45179	944	48	a	a	DT
45179	944	49	really	really	RB
45179	944	50	earnest	earnest	JJ
45179	944	51	study	study	NN
45179	944	52	of	of	IN
45179	944	53	the	the	DT
45179	944	54	matter	matter	NN
45179	944	55	to	to	TO
45179	944	56	see	see	VB
45179	944	57	whether	whether	IN
45179	944	58	the	the	DT
45179	944	59	difficulties	difficulty	NNS
45179	944	60	due	due	IN
45179	944	61	to	to	IN
45179	944	62	the	the	DT
45179	944	63	light	light	JJ
45179	944	64	freight	freight	NN
45179	944	65	car	car	NN
45179	944	66	,	,	,
45179	944	67	etc	etc	FW
45179	944	68	.	.	.
45179	944	69	,	,	,
45179	944	70	could	could	MD
45179	944	71	not	not	RB
45179	944	72	be	be	VB
45179	944	73	overcome	overcome	VBN
45179	944	74	or	or	CC
45179	944	75	at	at	IN
45179	944	76	least	least	JJS
45179	944	77	considerably	considerably	RB
45179	944	78	minimized	minimize	VBN
45179	944	79	.	.	.
45179	945	1	Considerable	considerable	JJ
45179	945	2	progress	progress	NN
45179	945	3	had	have	VBD
45179	945	4	been	be	VBN
45179	945	5	made	make	VBN
45179	945	6	by	by	IN
45179	945	7	the	the	DT
45179	945	8	time	time	NN
45179	945	9	the	the	DT
45179	945	10	war	war	NN
45179	945	11	broke	break	VBD
45179	945	12	out	out	RP
45179	945	13	and	and	CC
45179	945	14	quite	quite	PDT
45179	945	15	a	a	DT
45179	945	16	number	number	NN
45179	945	17	of	of	IN
45179	945	18	track	track	NN
45179	945	19	circuits	circuit	NNS
45179	945	20	had	have	VBD
45179	945	21	come	come	VBN
45179	945	22	into	into	IN
45179	945	23	existence	existence	NN
45179	945	24	on	on	IN
45179	945	25	all	all	PDT
45179	945	26	the	the	DT
45179	945	27	principal	principal	JJ
45179	945	28	roads	road	NNS
45179	945	29	,	,	,
45179	945	30	although	although	IN
45179	945	31	no	no	DT
45179	945	32	extension	extension	NN
45179	945	33	work	work	NN
45179	945	34	worth	worth	JJ
45179	945	35	noticing	noticing	NNP
45179	945	36	was	be	VBD
45179	945	37	made	make	VBN
45179	945	38	to	to	TO
45179	945	39	purely	purely	RB
45179	945	40	automatic	automatic	JJ
45179	945	41	block	block	NN
45179	945	42	systems	system	NNS
45179	945	43	on	on	IN
45179	945	44	steam	steam	NN
45179	945	45	roads	road	NNS
45179	945	46	,	,	,
45179	945	47	this	this	DT
45179	945	48	class	class	NN
45179	945	49	of	of	IN
45179	945	50	work	work	NN
45179	945	51	being	be	VBG
45179	945	52	confined	confine	VBN
45179	945	53	to	to	IN
45179	945	54	the	the	DT
45179	945	55	suburban	suburban	JJ
45179	945	56	electric	electric	JJ
45179	945	57	lines	line	NNS
45179	945	58	.	.	.
45179	946	1	Unfortunately	unfortunately	RB
45179	946	2	,	,	,
45179	946	3	in	in	IN
45179	946	4	this	this	DT
45179	946	5	as	as	IN
45179	946	6	in	in	IN
45179	946	7	so	so	RB
45179	946	8	many	many	JJ
45179	946	9	things	thing	NNS
45179	946	10	the	the	DT
45179	946	11	war	war	NN
45179	946	12	had	have	VBD
45179	946	13	a	a	DT
45179	946	14	retarding	retard	VBG
45179	946	15	effect	effect	NN
45179	946	16	and	and	CC
45179	946	17	caused	cause	VBD
45179	946	18	the	the	DT
45179	946	19	postponement	postponement	NN
45179	946	20	of	of	IN
45179	946	21	many	many	JJ
45179	946	22	plans	plan	NNS
45179	946	23	.	.	.
45179	947	1	The	the	DT
45179	947	2	increased	increase	VBN
45179	947	3	price	price	NN
45179	947	4	of	of	IN
45179	947	5	wages	wage	NNS
45179	947	6	and	and	CC
45179	947	7	materials	material	NNS
45179	947	8	has	have	VBZ
45179	947	9	hampered	hamper	VBN
45179	947	10	progress	progress	NN
45179	947	11	a	a	DT
45179	947	12	great	great	JJ
45179	947	13	deal	deal	NN
45179	947	14	and	and	CC
45179	947	15	it	-PRON-	PRP
45179	947	16	will	will	MD
45179	947	17	be	be	VB
45179	947	18	some	some	DT
45179	947	19	time	time	NN
45179	947	20	yet	yet	RB
45179	947	21	before	before	IN
45179	947	22	any	any	DT
45179	947	23	great	great	JJ
45179	947	24	improvement	improvement	NN
45179	947	25	is	be	VBZ
45179	947	26	noticeable	noticeable	JJ
45179	947	27	.	.	.
45179	948	1	On	on	IN
45179	948	2	the	the	DT
45179	948	3	other	other	JJ
45179	948	4	hand	hand	NN
45179	948	5	,	,	,
45179	948	6	the	the	DT
45179	948	7	great	great	JJ
45179	948	8	increase	increase	NN
45179	948	9	in	in	IN
45179	948	10	wages	wage	NNS
45179	948	11	has	have	VBZ
45179	948	12	caused	cause	VBN
45179	948	13	a	a	DT
45179	948	14	demand	demand	NN
45179	948	15	on	on	IN
45179	948	16	the	the	DT
45179	948	17	railways	railway	NNS
45179	948	18	for	for	IN
45179	948	19	a	a	DT
45179	948	20	reduction	reduction	NN
45179	948	21	of	of	IN
45179	948	22	operating	operating	NN
45179	948	23	costs	cost	NNS
45179	948	24	with	with	IN
45179	948	25	the	the	DT
45179	948	26	result	result	NN
45179	948	27	that	that	IN
45179	948	28	signal	signal	NN
45179	948	29	engineers	engineer	NNS
45179	948	30	are	be	VBP
45179	948	31	endeavoring	endeavor	VBG
45179	948	32	to	to	TO
45179	948	33	produce	produce	VB
45179	948	34	schemes	scheme	NNS
45179	948	35	which	which	WDT
45179	948	36	will	will	MD
45179	948	37	enable	enable	VB
45179	948	38	signal	signal	NN
45179	948	39	towers	tower	NNS
45179	948	40	to	to	TO
45179	948	41	be	be	VB
45179	948	42	abolished	abolish	VBN
45179	948	43	or	or	CC
45179	948	44	closed	close	VBN
45179	948	45	at	at	IN
45179	948	46	intervals	interval	NNS
45179	948	47	where	where	WRB
45179	948	48	they	-PRON-	PRP
45179	948	49	were	be	VBD
45179	948	50	formerly	formerly	RB
45179	948	51	kept	keep	VBN
45179	948	52	continuously	continuously	RB
45179	948	53	in	in	IN
45179	948	54	service	service	NN
45179	948	55	and	and	CC
45179	948	56	in	in	IN
45179	948	57	this	this	DT
45179	948	58	and	and	CC
45179	948	59	other	other	JJ
45179	948	60	ways	way	NNS
45179	948	61	to	to	TO
45179	948	62	dispense	dispense	VB
45179	948	63	with	with	IN
45179	948	64	unnecessary	unnecessary	JJ
45179	948	65	staff	staff	NN
45179	948	66	.	.	.
45179	949	1	It	-PRON-	PRP
45179	949	2	is	be	VBZ
45179	949	3	in	in	IN
45179	949	4	this	this	DT
45179	949	5	that	that	IN
45179	949	6	the	the	DT
45179	949	7	track	track	NN
45179	949	8	circuit	circuit	NN
45179	949	9	will	will	MD
45179	949	10	help	help	VB
45179	949	11	very	very	RB
45179	949	12	considerably	considerably	RB
45179	949	13	.	.	.
45179	950	1	Its	-PRON-	PRP$
45179	950	2	further	further	JJ
45179	950	3	extension	extension	NN
45179	950	4	on	on	IN
45179	950	5	English	english	JJ
45179	950	6	lines	line	NNS
45179	950	7	is	be	VBZ
45179	950	8	a	a	DT
45179	950	9	certainty	certainty	NN
45179	950	10	and	and	CC
45179	950	11	simply	simply	RB
45179	950	12	a	a	DT
45179	950	13	question	question	NN
45179	950	14	of	of	IN
45179	950	15	time	time	NN
45179	950	16	and	and	CC
45179	950	17	money	money	NN
45179	950	18	.	.	.
45179	951	1	Since	since	IN
45179	951	2	the	the	DT
45179	951	3	inception	inception	NN
45179	951	4	of	of	IN
45179	951	5	the	the	DT
45179	951	6	Institution	Institution	NNP
45179	951	7	of	of	IN
45179	951	8	Railway	Railway	NNP
45179	951	9	Signal	Signal	NNP
45179	951	10	Engineers	Engineers	NNP
45179	951	11	a	a	DT
45179	951	12	great	great	JJ
45179	951	13	amount	amount	NN
45179	951	14	of	of	IN
45179	951	15	work	work	NN
45179	951	16	has	have	VBZ
45179	951	17	been	be	VBN
45179	951	18	done	do	VBN
45179	951	19	in	in	IN
45179	951	20	discussing	discuss	VBG
45179	951	21	and	and	CC
45179	951	22	studying	study	VBG
45179	951	23	requisites	requisite	NNS
45179	951	24	and	and	CC
45179	951	25	so	so	RB
45179	951	26	on	on	RB
45179	951	27	for	for	IN
45179	951	28	track	track	NN
45179	951	29	circuit	circuit	NN
45179	951	30	work	work	NN
45179	951	31	,	,	,
45179	951	32	both	both	DT
45179	951	33	of	of	IN
45179	951	34	the	the	DT
45179	951	35	direct	direct	JJ
45179	951	36	current	current	NN
45179	951	37	and	and	CC
45179	951	38	alternating	alternate	VBG
45179	951	39	current	current	JJ
45179	951	40	types	type	NNS
45179	951	41	.	.	.
45179	952	1	All	all	DT
45179	952	2	this	this	DT
45179	952	3	has	have	VBZ
45179	952	4	resulted	result	VBN
45179	952	5	in	in	IN
45179	952	6	increased	increase	VBN
45179	952	7	confidence	confidence	NN
45179	952	8	on	on	IN
45179	952	9	the	the	DT
45179	952	10	part	part	NN
45179	952	11	of	of	IN
45179	952	12	the	the	DT
45179	952	13	traffic	traffic	NN
45179	952	14	officers	officer	NNS
45179	952	15	in	in	IN
45179	952	16	track	track	NN
45179	952	17	circuit	circuit	NNP
45179	952	18	and	and	CC
45179	952	19	allied	allied	NNP
45179	952	20	apparatus	apparatus	NNP
45179	952	21	and	and	CC
45179	952	22	caused	cause	VBD
45179	952	23	them	-PRON-	PRP
45179	952	24	to	to	TO
45179	952	25	look	look	VB
45179	952	26	more	more	RBR
45179	952	27	and	and	CC
45179	952	28	more	more	JJR
45179	952	29	to	to	IN
45179	952	30	the	the	DT
45179	952	31	signal	signal	JJ
45179	952	32	engineer	engineer	NN
45179	952	33	to	to	TO
45179	952	34	help	help	VB
45179	952	35	them	-PRON-	PRP
45179	952	36	in	in	IN
45179	952	37	their	-PRON-	PRP$
45179	952	38	work	work	NN
45179	952	39	and	and	CC
45179	952	40	to	to	TO
45179	952	41	accord	accord	VB
45179	952	42	him	-PRON-	PRP
45179	952	43	the	the	DT
45179	952	44	respect	respect	NN
45179	952	45	and	and	CC
45179	952	46	credit	credit	NN
45179	952	47	he	-PRON-	PRP
45179	952	48	deserves	deserve	VBZ
45179	952	49	.	.	.
45179	953	1	The	the	DT
45179	953	2	writer	writer	NN
45179	953	3	is	be	VBZ
45179	953	4	aware	aware	JJ
45179	953	5	that	that	IN
45179	953	6	these	these	DT
45179	953	7	lines	line	NNS
45179	953	8	can	can	MD
45179	953	9	only	only	RB
45179	953	10	convey	convey	VB
45179	953	11	a	a	DT
45179	953	12	very	very	RB
45179	953	13	imperfect	imperfect	JJ
45179	953	14	idea	idea	NN
45179	953	15	of	of	IN
45179	953	16	the	the	DT
45179	953	17	actual	actual	JJ
45179	953	18	state	state	NN
45179	953	19	of	of	IN
45179	953	20	affairs	affair	NNS
45179	953	21	,	,	,
45179	953	22	but	but	CC
45179	953	23	he	-PRON-	PRP
45179	953	24	prefers	prefer	VBZ
45179	953	25	to	to	TO
45179	953	26	write	write	VB
45179	953	27	them	-PRON-	PRP
45179	953	28	now	now	RB
45179	953	29	as	as	IN
45179	953	30	a	a	DT
45179	953	31	preliminary	preliminary	JJ
45179	953	32	account	account	NN
45179	953	33	,	,	,
45179	953	34	not	not	RB
45179	953	35	yet	yet	RB
45179	953	36	being	be	VBG
45179	953	37	in	in	IN
45179	953	38	a	a	DT
45179	953	39	position	position	NN
45179	953	40	to	to	TO
45179	953	41	furnish	furnish	VB
45179	953	42	the	the	DT
45179	953	43	figures	figure	NNS
45179	953	44	which	which	WDT
45179	953	45	the	the	DT
45179	953	46	Signal	Signal	NNP
45179	953	47	Section	Section	NNP
45179	953	48	desires	desire	VBZ
45179	953	49	.	.	.
45179	954	1	Track	track	NN
45179	954	2	Circuits	circuit	NNS
45179	954	3	on	on	IN
45179	954	4	the	the	DT
45179	954	5	Continent	Continent	NNP
45179	954	6	Turning	turn	VBG
45179	954	7	to	to	IN
45179	954	8	the	the	DT
45179	954	9	continent	continent	NN
45179	954	10	,	,	,
45179	954	11	the	the	DT
45179	954	12	writer	writer	NN
45179	954	13	must	must	MD
45179	954	14	necessarily	necessarily	RB
45179	954	15	speak	speak	VB
45179	954	16	in	in	IN
45179	954	17	very	very	RB
45179	954	18	general	general	JJ
45179	954	19	terms	term	NNS
45179	954	20	since	since	IN
45179	954	21	there	there	EX
45179	954	22	is	be	VBZ
45179	954	23	less	less	RBR
45179	954	24	published	publish	VBN
45179	954	25	on	on	IN
45179	954	26	this	this	DT
45179	954	27	subject	subject	NN
45179	954	28	by	by	IN
45179	954	29	continental	continental	JJ
45179	954	30	journals	journal	NNS
45179	954	31	than	than	IN
45179	954	32	by	by	IN
45179	954	33	English	English	NNP
45179	954	34	and	and	CC
45179	954	35	,	,	,
45179	954	36	of	of	IN
45179	954	37	course	course	NN
45179	954	38	,	,	,
45179	954	39	the	the	DT
45179	954	40	field	field	NN
45179	954	41	is	be	VBZ
45179	954	42	rather	rather	RB
45179	954	43	a	a	DT
45179	954	44	wide	wide	JJ
45179	954	45	one	one	CD
45179	954	46	,	,	,
45179	954	47	embracing	embrace	VBG
45179	954	48	so	so	RB
45179	954	49	many	many	JJ
45179	954	50	lands	land	NNS
45179	954	51	and	and	CC
45179	954	52	tongues	tongue	NNS
45179	954	53	.	.	.
45179	955	1	The	the	DT
45179	955	2	track	track	NN
45179	955	3	circuit	circuit	NN
45179	955	4	is	be	VBZ
45179	955	5	,	,	,
45179	955	6	of	of	IN
45179	955	7	course	course	NN
45179	955	8	,	,	,
45179	955	9	known	know	VBN
45179	955	10	there	there	RB
45179	955	11	fairly	fairly	RB
45179	955	12	well	well	RB
45179	955	13	,	,	,
45179	955	14	but	but	CC
45179	955	15	there	there	EX
45179	955	16	are	be	VBP
45179	955	17	no	no	DT
45179	955	18	very	very	RB
45179	955	19	great	great	JJ
45179	955	20	installations	installation	NNS
45179	955	21	of	of	IN
45179	955	22	automatic	automatic	JJ
45179	955	23	block	block	NN
45179	955	24	to	to	TO
45179	955	25	be	be	VB
45179	955	26	found	find	VBN
45179	955	27	.	.	.
45179	956	1	In	in	IN
45179	956	2	the	the	DT
45179	956	3	case	case	NN
45179	956	4	of	of	IN
45179	956	5	France	France	NNP
45179	956	6	,	,	,
45179	956	7	the	the	DT
45179	956	8	Paris	Paris	NNP
45179	956	9	,	,	,
45179	956	10	Lyons	Lyons	NNP
45179	956	11	&	&	CC
45179	956	12	Mediterranean	Mediterranean	NNP
45179	956	13	had	have	VBD
45179	956	14	,	,	,
45179	956	15	before	before	IN
45179	956	16	the	the	DT
45179	956	17	war	war	NN
45179	956	18	,	,	,
45179	956	19	an	an	DT
45179	956	20	installation	installation	NN
45179	956	21	between	between	IN
45179	956	22	Larsche	Larsche	NNP
45179	956	23	and	and	CC
45179	956	24	Auperre	Auperre	NNP
45179	956	25	,	,	,
45179	956	26	24	24	CD
45179	956	27	miles	mile	NNS
45179	956	28	,	,	,
45179	956	29	and	and	CC
45179	956	30	some	some	DT
45179	956	31	semi	semi	JJ
45179	956	32	-	-	JJ
45179	956	33	automatic	automatic	JJ
45179	956	34	sections	section	NNS
45179	956	35	in	in	IN
45179	956	36	various	various	JJ
45179	956	37	places	place	NNS
45179	956	38	.	.	.
45179	957	1	The	the	DT
45179	957	2	Midi	Midi	NNP
45179	957	3	Railway	Railway	NNP
45179	957	4	had	have	VBD
45179	957	5	also	also	RB
45179	957	6	the	the	DT
45179	957	7	Hall	Hall	NNP
45179	957	8	disc	disc	NN
45179	957	9	system	system	NN
45179	957	10	from	from	IN
45179	957	11	Bordeaux	Bordeaux	NNP
45179	957	12	to	to	IN
45179	957	13	Langon	Langon	NNP
45179	957	14	,	,	,
45179	957	15	26	26	CD
45179	957	16	miles	mile	NNS
45179	957	17	,	,	,
45179	957	18	and	and	CC
45179	957	19	the	the	DT
45179	957	20	writer	writer	NN
45179	957	21	believes	believe	VBZ
45179	957	22	extensions	extension	NNS
45179	957	23	to	to	IN
45179	957	24	this	this	DT
45179	957	25	have	have	VB
45179	957	26	since	since	IN
45179	957	27	been	be	VBN
45179	957	28	made	make	VBN
45179	957	29	.	.	.
45179	958	1	The	the	DT
45179	958	2	Est	Est	NNP
45179	958	3	Railway	Railway	NNP
45179	958	4	began	begin	VBD
45179	958	5	trials	trial	NNS
45179	958	6	before	before	IN
45179	958	7	the	the	DT
45179	958	8	war	war	NN
45179	958	9	and	and	CC
45179	958	10	during	during	IN
45179	958	11	the	the	DT
45179	958	12	war	war	NN
45179	958	13	,	,	,
45179	958	14	owing	owe	VBG
45179	958	15	to	to	IN
45179	958	16	shortage	shortage	NN
45179	958	17	of	of	IN
45179	958	18	staff	staff	NN
45179	958	19	and	and	CC
45179	958	20	having	have	VBG
45179	958	21	greatness	greatness	NN
45179	958	22	of	of	IN
45179	958	23	traffic	traffic	NN
45179	958	24	to	to	IN
45179	958	25	the	the	DT
45179	958	26	eastern	eastern	JJ
45179	958	27	military	military	JJ
45179	958	28	area	area	NN
45179	958	29	,	,	,
45179	958	30	installed	instal	VBD
45179	958	31	automatic	automatic	JJ
45179	958	32	signaling	signaling	NN
45179	958	33	on	on	IN
45179	958	34	the	the	DT
45179	958	35	Paris	Paris	NNP
45179	958	36	-	-	HYPH
45179	958	37	Nugent	Nugent	NNP
45179	958	38	line	line	NN
45179	958	39	.	.	.
45179	959	1	The	the	DT
45179	959	2	writer	writer	NN
45179	959	3	has	have	VBZ
45179	959	4	been	be	VBN
45179	959	5	told	tell	VBN
45179	959	6	that	that	IN
45179	959	7	it	-PRON-	PRP
45179	959	8	is	be	VBZ
45179	959	9	under	under	IN
45179	959	10	consideration	consideration	NN
45179	959	11	to	to	TO
45179	959	12	equip	equip	VB
45179	959	13	the	the	DT
45179	959	14	whole	whole	JJ
45179	959	15	line	line	NN
45179	959	16	to	to	IN
45179	959	17	Avricourt	Avricourt	NNP
45179	959	18	,	,	,
45179	959	19	where	where	WRB
45179	959	20	it	-PRON-	PRP
45179	959	21	connects	connect	VBZ
45179	959	22	with	with	IN
45179	959	23	the	the	DT
45179	959	24	Alsace	Alsace	NNP
45179	959	25	-	-	HYPH
45179	959	26	Lorraine	Lorraine	NNP
45179	959	27	system	system	NN
45179	959	28	.	.	.
45179	960	1	The	the	DT
45179	960	2	writer	writer	NN
45179	960	3	is	be	VBZ
45179	960	4	not	not	RB
45179	960	5	aware	aware	JJ
45179	960	6	whether	whether	IN
45179	960	7	the	the	DT
45179	960	8	other	other	JJ
45179	960	9	companies	company	NNS
45179	960	10	in	in	IN
45179	960	11	France	France	NNP
45179	960	12	have	have	VBP
45179	960	13	any	any	DT
45179	960	14	automatic	automatic	JJ
45179	960	15	blocks	block	NNS
45179	960	16	,	,	,
45179	960	17	but	but	CC
45179	960	18	he	-PRON-	PRP
45179	960	19	believes	believe	VBZ
45179	960	20	not	not	RB
45179	960	21	.	.	.
45179	961	1	They	-PRON-	PRP
45179	961	2	all	all	DT
45179	961	3	have	have	VBP
45179	961	4	,	,	,
45179	961	5	however	however	RB
45179	961	6	,	,	,
45179	961	7	track	track	NN
45179	961	8	circuits	circuit	NNS
45179	961	9	installed	instal	VBN
45179	961	10	at	at	IN
45179	961	11	various	various	JJ
45179	961	12	places	place	NNS
45179	961	13	in	in	IN
45179	961	14	connection	connection	NN
45179	961	15	with	with	IN
45179	961	16	the	the	DT
45179	961	17	ordinary	ordinary	JJ
45179	961	18	signaling	signaling	NN
45179	961	19	.	.	.
45179	962	1	Owing	owe	VBG
45179	962	2	to	to	IN
45179	962	3	the	the	DT
45179	962	4	lower	low	JJR
45179	962	5	standard	standard	NN
45179	962	6	of	of	IN
45179	962	7	living	living	NN
45179	962	8	and	and	CC
45179	962	9	the	the	DT
45179	962	10	employment	employment	NN
45179	962	11	of	of	IN
45179	962	12	women	woman	NNS
45179	962	13	operators	operator	NNS
45179	962	14	at	at	IN
45179	962	15	many	many	JJ
45179	962	16	points	point	NNS
45179	962	17	,	,	,
45179	962	18	there	there	EX
45179	962	19	is	be	VBZ
45179	962	20	not	not	RB
45179	962	21	so	so	RB
45179	962	22	great	great	JJ
45179	962	23	an	an	DT
45179	962	24	incentive	incentive	NN
45179	962	25	to	to	IN
45179	962	26	the	the	DT
45179	962	27	adoption	adoption	NN
45179	962	28	of	of	IN
45179	962	29	automatic	automatic	JJ
45179	962	30	devices	device	NNS
45179	962	31	,	,	,
45179	962	32	as	as	IN
45179	962	33	in	in	IN
45179	962	34	some	some	DT
45179	962	35	other	other	JJ
45179	962	36	countries	country	NNS
45179	962	37	.	.	.
45179	963	1	French	french	JJ
45179	963	2	engineers	engineer	NNS
45179	963	3	,	,	,
45179	963	4	however	however	RB
45179	963	5	,	,	,
45179	963	6	know	know	VB
45179	963	7	what	what	WP
45179	963	8	Americans	Americans	NNPS
45179	963	9	have	have	VBP
45179	963	10	done	do	VBN
45179	963	11	in	in	IN
45179	963	12	this	this	DT
45179	963	13	way	way	NN
45179	963	14	and	and	CC
45179	963	15	some	some	DT
45179	963	16	very	very	RB
45179	963	17	complete	complete	JJ
45179	963	18	accounts	account	NNS
45179	963	19	of	of	IN
45179	963	20	American	american	JJ
45179	963	21	systems	system	NNS
45179	963	22	have	have	VBP
45179	963	23	appeared	appear	VBN
45179	963	24	in	in	IN
45179	963	25	"	"	``
45179	963	26	La	La	NNP
45179	963	27	Revue	Revue	NNP
45179	963	28	generale	generale	NNP
45179	963	29	des	des	NNP
45179	963	30	chemins	chemins	NNP
45179	963	31	de	de	FW
45179	963	32	fer	fer	NNP
45179	963	33	.	.	.
45179	963	34	"	"	''
45179	964	1	The	the	DT
45179	964	2	Paris	Paris	NNP
45179	964	3	Metropolitan	Metropolitan	NNP
45179	964	4	line	line	NN
45179	964	5	is	be	VBZ
45179	964	6	automatically	automatically	RB
45179	964	7	signaled	signal	VBN
45179	964	8	by	by	IN
45179	964	9	an	an	DT
45179	964	10	intermittent	intermittent	JJ
45179	964	11	contact	contact	NN
45179	964	12	system	system	NN
45179	964	13	without	without	IN
45179	964	14	track	track	NN
45179	964	15	circuit	circuit	NN
45179	964	16	.	.	.
45179	965	1	In	in	IN
45179	965	2	Germany	Germany	NNP
45179	965	3	,	,	,
45179	965	4	the	the	DT
45179	965	5	track	track	NN
45179	965	6	circuit	circuit	NN
45179	965	7	for	for	IN
45179	965	8	steam	steam	NN
45179	965	9	lines	line	NNS
45179	965	10	is	be	VBZ
45179	965	11	not	not	RB
45179	965	12	looked	look	VBN
45179	965	13	on	on	RP
45179	965	14	with	with	IN
45179	965	15	much	much	JJ
45179	965	16	favor	favor	NN
45179	965	17	,	,	,
45179	965	18	as	as	IN
45179	965	19	owing	owe	VBG
45179	965	20	to	to	IN
45179	965	21	the	the	DT
45179	965	22	extensive	extensive	JJ
45179	965	23	employment	employment	NN
45179	965	24	of	of	IN
45179	965	25	the	the	DT
45179	965	26	Siemen	Siemen	NNP
45179	965	27	's	's	POS
45179	965	28	controlled	control	VBN
45179	965	29	manual	manual	NN
45179	965	30	and	and	CC
45179	965	31	the	the	DT
45179	965	32	peculiar	peculiar	JJ
45179	965	33	station	station	NN
45179	965	34	masters	master	NNS
45179	965	35	'	'	POS
45179	965	36	system	system	NN
45179	965	37	of	of	IN
45179	965	38	control	control	NN
45179	965	39	,	,	,
45179	965	40	called	call	VBN
45179	965	41	"	"	``
45179	965	42	Station	Station	NNP
45179	965	43	Block	Block	NNP
45179	965	44	,	,	,
45179	965	45	"	"	''
45179	965	46	always	always	RB
45179	965	47	used	use	VBN
45179	965	48	in	in	IN
45179	965	49	that	that	DT
45179	965	50	country	country	NN
45179	965	51	(	(	-LRB-
45179	965	52	with	with	IN
45179	965	53	,	,	,
45179	965	54	it	-PRON-	PRP
45179	965	55	must	must	MD
45179	965	56	be	be	VB
45179	965	57	admitted	admit	VBN
45179	965	58	,	,	,
45179	965	59	a	a	DT
45179	965	60	very	very	RB
45179	965	61	high	high	JJ
45179	965	62	record	record	NN
45179	965	63	for	for	IN
45179	965	64	safety	safety	NN
45179	965	65	,	,	,
45179	965	66	)	)	-RRB-
45179	965	67	the	the	DT
45179	965	68	Germans	Germans	NNPS
45179	965	69	think	think	VBP
45179	965	70	they	-PRON-	PRP
45179	965	71	would	would	MD
45179	965	72	not	not	RB
45179	965	73	gain	gain	VB
45179	965	74	much	much	JJ
45179	965	75	by	by	IN
45179	965	76	any	any	DT
45179	965	77	great	great	JJ
45179	965	78	use	use	NN
45179	965	79	of	of	IN
45179	965	80	track	track	NN
45179	965	81	circuit	circuit	NN
45179	965	82	or	or	CC
45179	965	83	automatic	automatic	JJ
45179	965	84	signals	signal	NNS
45179	965	85	.	.	.
45179	966	1	The	the	DT
45179	966	2	writer	writer	NN
45179	966	3	has	have	VBZ
45179	966	4	just	just	RB
45179	966	5	had	have	VBN
45179	966	6	this	this	DT
45179	966	7	view	view	NN
45179	966	8	confirmed	confirm	VBN
45179	966	9	by	by	IN
45179	966	10	a	a	DT
45179	966	11	friend	friend	NN
45179	966	12	returned	return	VBD
45179	966	13	from	from	IN
45179	966	14	visiting	visit	VBG
45179	966	15	the	the	DT
45179	966	16	important	important	JJ
45179	966	17	works	work	NNS
45179	966	18	of	of	IN
45179	966	19	the	the	DT
45179	966	20	German	German	NNP
45179	966	21	Railway	Railway	NNP
45179	966	22	Signal	Signal	NNP
45179	966	23	Company	Company	NNP
45179	966	24	at	at	IN
45179	966	25	Bruchsal	Bruchsal	NNP
45179	966	26	,	,	,
45179	966	27	Baden	Baden	NNP
45179	966	28	.	.	.
45179	967	1	Automatic	automatic	JJ
45179	967	2	signaling	signaling	NN
45179	967	3	is	be	VBZ
45179	967	4	used	use	VBN
45179	967	5	on	on	IN
45179	967	6	certain	certain	JJ
45179	967	7	important	important	JJ
45179	967	8	sections	section	NNS
45179	967	9	of	of	IN
45179	967	10	the	the	DT
45179	967	11	Berlin	Berlin	NNP
45179	967	12	Elevated	Elevated	NNP
45179	967	13	and	and	CC
45179	967	14	Underground	Underground	NNP
45179	967	15	Road	Road	NNP
45179	967	16	,	,	,
45179	967	17	installed	instal	VBN
45179	967	18	before	before	IN
45179	967	19	the	the	DT
45179	967	20	war	war	NN
45179	967	21	by	by	IN
45179	967	22	the	the	DT
45179	967	23	Westinghouse	Westinghouse	NNP
45179	967	24	Company	Company	NNP
45179	967	25	,	,	,
45179	967	26	of	of	IN
45179	967	27	London	London	NNP
45179	967	28	,	,	,
45179	967	29	with	with	IN
45179	967	30	a.c	a.c	NNP
45179	967	31	.	.	NNP
45179	967	32	double	double	JJ
45179	967	33	rail	rail	NN
45179	967	34	track	track	NN
45179	967	35	circuits	circuit	NNS
45179	967	36	and	and	CC
45179	967	37	this	this	DT
45179	967	38	will	will	MD
45179	967	39	be	be	VB
45179	967	40	extended	extend	VBN
45179	967	41	eventually	eventually	RB
45179	967	42	to	to	TO
45179	967	43	cover	cover	VB
45179	967	44	the	the	DT
45179	967	45	remaining	remain	VBG
45179	967	46	sections	section	NNS
45179	967	47	still	still	RB
45179	967	48	worked	work	VBN
45179	967	49	by	by	IN
45179	967	50	the	the	DT
45179	967	51	Siemen	Siemen	NNP
45179	967	52	's	's	POS
45179	967	53	controlled	control	VBN
45179	967	54	manual	manual	NN
45179	967	55	.	.	.
45179	968	1	Dr.	Dr.	NNP
45179	968	2	Kemmann	Kemmann	NNP
45179	968	3	,	,	,
45179	968	4	a	a	DT
45179	968	5	member	member	NN
45179	968	6	of	of	IN
45179	968	7	the	the	DT
45179	968	8	General	General	NNP
45179	968	9	Railway	Railway	NNP
45179	968	10	Direction	Direction	NNP
45179	968	11	,	,	,
45179	968	12	Berlin	Berlin	NNP
45179	968	13	,	,	,
45179	968	14	published	publish	VBN
45179	968	15	last	last	JJ
45179	968	16	year	year	NN
45179	968	17	a	a	DT
45179	968	18	very	very	RB
45179	968	19	interesting	interesting	JJ
45179	968	20	book	book	NN
45179	968	21	describing	describe	VBG
45179	968	22	his	-PRON-	PRP$
45179	968	23	work	work	NN
45179	968	24	with	with	IN
45179	968	25	accounts	account	NNS
45179	968	26	also	also	RB
45179	968	27	of	of	IN
45179	968	28	the	the	DT
45179	968	29	London	London	NNP
45179	968	30	Underground	Underground	NNP
45179	968	31	and	and	CC
45179	968	32	New	New	NNP
45179	968	33	York	York	NNP
45179	968	34	Subway	Subway	NNP
45179	968	35	installations	installation	NNS
45179	968	36	,	,	,
45179	968	37	showing	show	VBG
45179	968	38	that	that	IN
45179	968	39	foreign	foreign	JJ
45179	968	40	systems	system	NNS
45179	968	41	are	be	VBP
45179	968	42	studied	study	VBN
45179	968	43	in	in	IN
45179	968	44	Germany	Germany	NNP
45179	968	45	.	.	.
45179	969	1	But	but	CC
45179	969	2	for	for	IN
45179	969	3	steam	steam	NN
45179	969	4	roads	road	NNS
45179	969	5	the	the	DT
45179	969	6	writer	writer	NN
45179	969	7	believes	believe	VBZ
45179	969	8	from	from	IN
45179	969	9	what	what	WP
45179	969	10	he	-PRON-	PRP
45179	969	11	has	have	VBZ
45179	969	12	studied	study	VBN
45179	969	13	of	of	IN
45179	969	14	German	german	JJ
45179	969	15	methods	method	NNS
45179	969	16	and	and	CC
45179	969	17	ideas	idea	NNS
45179	969	18	on	on	IN
45179	969	19	the	the	DT
45179	969	20	subject	subject	NN
45179	969	21	that	that	IN
45179	969	22	the	the	DT
45179	969	23	manual	manual	JJ
45179	969	24	system	system	NN
45179	969	25	will	will	MD
45179	969	26	remain	remain	VB
45179	969	27	in	in	IN
45179	969	28	use	use	NN
45179	969	29	and	and	CC
45179	969	30	that	that	IN
45179	969	31	the	the	DT
45179	969	32	track	track	NN
45179	969	33	circuit	circuit	NN
45179	969	34	will	will	MD
45179	969	35	not	not	RB
45179	969	36	be	be	VB
45179	969	37	much	much	RB
45179	969	38	adopted	adopt	VBN
45179	969	39	.	.	.
45179	970	1	The	the	DT
45179	970	2	same	same	JJ
45179	970	3	remarks	remark	NNS
45179	970	4	apply	apply	VBP
45179	970	5	generally	generally	RB
45179	970	6	to	to	IN
45179	970	7	Austria	Austria	NNP
45179	970	8	,	,	,
45179	970	9	Holland	Holland	NNP
45179	970	10	and	and	CC
45179	970	11	Scandinavia	Scandinavia	NNP
45179	970	12	,	,	,
45179	970	13	though	though	IN
45179	970	14	in	in	IN
45179	970	15	the	the	DT
45179	970	16	latter	latter	JJ
45179	970	17	case	case	NN
45179	970	18	English	english	JJ
45179	970	19	ideas	idea	NNS
45179	970	20	are	be	VBP
45179	970	21	more	more	JJR
45179	970	22	in	in	IN
45179	970	23	evidence	evidence	NN
45179	970	24	and	and	CC
45179	970	25	it	-PRON-	PRP
45179	970	26	is	be	VBZ
45179	970	27	probable	probable	JJ
45179	970	28	that	that	IN
45179	970	29	the	the	DT
45179	970	30	track	track	NN
45179	970	31	circuit	circuit	NN
45179	970	32	,	,	,
45179	970	33	already	already	RB
45179	970	34	in	in	IN
45179	970	35	use	use	NN
45179	970	36	to	to	IN
45179	970	37	some	some	DT
45179	970	38	extent	extent	NN
45179	970	39	,	,	,
45179	970	40	will	will	MD
45179	970	41	be	be	VB
45179	970	42	developed	develop	VBN
45179	970	43	as	as	IN
45179	970	44	time	time	NN
45179	970	45	goes	go	VBZ
45179	970	46	on	on	RP
45179	970	47	.	.	.
45179	971	1	In	in	IN
45179	971	2	Austria	Austria	NNP
45179	971	3	automatic	automatic	JJ
45179	971	4	signaling	signaling	NN
45179	971	5	was	be	VBD
45179	971	6	certainly	certainly	RB
45179	971	7	tried	try	VBN
45179	971	8	on	on	IN
45179	971	9	a	a	DT
45179	971	10	small	small	JJ
45179	971	11	scale	scale	NN
45179	971	12	on	on	IN
45179	971	13	the	the	DT
45179	971	14	Southern	Southern	NNP
45179	971	15	Railway	Railway	NNP
45179	971	16	,	,	,
45179	971	17	but	but	CC
45179	971	18	with	with	IN
45179	971	19	what	what	WDT
45179	971	20	results	result	NNS
45179	971	21	the	the	DT
45179	971	22	writer	writer	NN
45179	971	23	can	can	MD
45179	971	24	not	not	RB
45179	971	25	say	say	VB
45179	971	26	.	.	.
45179	972	1	In	in	IN
45179	972	2	Switzerland	Switzerland	NNP
45179	972	3	the	the	DT
45179	972	4	extended	extended	JJ
45179	972	5	use	use	NN
45179	972	6	of	of	IN
45179	972	7	iron	iron	NN
45179	972	8	ties	tie	NNS
45179	972	9	is	be	VBZ
45179	972	10	against	against	IN
45179	972	11	the	the	DT
45179	972	12	track	track	NN
45179	972	13	circuit	circuit	NN
45179	972	14	.	.	.
45179	973	1	In	in	IN
45179	973	2	Belgium	Belgium	NNP
45179	973	3	the	the	DT
45179	973	4	Hall	Hall	NNP
45179	973	5	system	system	NN
45179	973	6	was	be	VBD
45179	973	7	at	at	IN
45179	973	8	one	one	CD
45179	973	9	time	time	NN
45179	973	10	in	in	IN
45179	973	11	use	use	NN
45179	973	12	between	between	IN
45179	973	13	Ghent	Ghent	NNP
45179	973	14	and	and	CC
45179	973	15	Wondelgem	Wondelgem	NNP
45179	973	16	,	,	,
45179	973	17	but	but	CC
45179	973	18	as	as	IN
45179	973	19	the	the	DT
45179	973	20	course	course	NN
45179	973	21	of	of	IN
45179	973	22	the	the	DT
45179	973	23	line	line	NN
45179	973	24	was	be	VBD
45179	973	25	changed	change	VBN
45179	973	26	,	,	,
45179	973	27	these	these	DT
45179	973	28	signals	signal	NNS
45179	973	29	were	be	VBD
45179	973	30	removed	remove	VBN
45179	973	31	.	.	.
45179	974	1	The	the	DT
45179	974	2	section	section	NN
45179	974	3	was	be	VBD
45179	974	4	about	about	RB
45179	974	5	3	3	CD
45179	974	6	-	-	SYM
45179	974	7	1/4	1/4	CD
45179	974	8	miles	mile	NNS
45179	974	9	long	long	JJ
45179	974	10	.	.	.
45179	975	1	Automatic	automatic	JJ
45179	975	2	signals	signal	NNS
45179	975	3	do	do	VBP
45179	975	4	not	not	RB
45179	975	5	exist	exist	VB
45179	975	6	there	there	EX
45179	975	7	now	now	RB
45179	975	8	but	but	CC
45179	975	9	the	the	DT
45179	975	10	track	track	NN
45179	975	11	circuit	circuit	NN
45179	975	12	is	be	VBZ
45179	975	13	used	use	VBN
45179	975	14	at	at	IN
45179	975	15	certain	certain	JJ
45179	975	16	stations	station	NNS
45179	975	17	,	,	,
45179	975	18	notably	notably	RB
45179	975	19	throughout	throughout	IN
45179	975	20	the	the	DT
45179	975	21	all	all	RB
45179	975	22	-	-	HYPH
45179	975	23	electric	electric	JJ
45179	975	24	power	power	NN
45179	975	25	installation	installation	NN
45179	975	26	at	at	IN
45179	975	27	and	and	CC
45179	975	28	close	close	RB
45179	975	29	to	to	IN
45179	975	30	Brussles	Brussles	NNP
45179	975	31	Nord	Nord	NNP
45179	975	32	.	.	.
45179	976	1	The	the	DT
45179	976	2	writer	writer	NN
45179	976	3	does	do	VBZ
45179	976	4	not	not	RB
45179	976	5	believe	believe	VB
45179	976	6	it	-PRON-	PRP
45179	976	7	likely	likely	RB
45179	976	8	that	that	IN
45179	976	9	automatic	automatic	JJ
45179	976	10	signaling	signaling	NN
45179	976	11	will	will	MD
45179	976	12	be	be	VB
45179	976	13	used	use	VBN
45179	976	14	on	on	IN
45179	976	15	the	the	DT
45179	976	16	steam	steam	NN
45179	976	17	roads	road	NNS
45179	976	18	in	in	IN
45179	976	19	Belgium	Belgium	NNP
45179	976	20	,	,	,
45179	976	21	at	at	IN
45179	976	22	all	all	DT
45179	976	23	events	event	NNS
45179	976	24	for	for	IN
45179	976	25	some	some	DT
45179	976	26	time	time	NN
45179	976	27	yet	yet	RB
45179	976	28	.	.	.
45179	977	1	With	with	IN
45179	977	2	regard	regard	NN
45179	977	3	to	to	IN
45179	977	4	Italy	Italy	NNP
45179	977	5	,	,	,
45179	977	6	Spain	Spain	NNP
45179	977	7	and	and	CC
45179	977	8	Portugal	Portugal	NNP
45179	977	9	,	,	,
45179	977	10	the	the	DT
45179	977	11	writer	writer	NN
45179	977	12	does	do	VBZ
45179	977	13	not	not	RB
45179	977	14	possess	possess	VB
45179	977	15	details	detail	NNS
45179	977	16	,	,	,
45179	977	17	but	but	CC
45179	977	18	believes	believe	VBZ
45179	977	19	it	-PRON-	PRP
45179	977	20	likely	likely	JJ
45179	977	21	that	that	IN
45179	977	22	the	the	DT
45179	977	23	track	track	NN
45179	977	24	circuit	circuit	NN
45179	977	25	is	be	VBZ
45179	977	26	only	only	RB
45179	977	27	in	in	IN
45179	977	28	use	use	NN
45179	977	29	,	,	,
45179	977	30	if	if	IN
45179	977	31	at	at	RB
45179	977	32	all	all	RB
45179	977	33	,	,	,
45179	977	34	at	at	IN
45179	977	35	a	a	DT
45179	977	36	few	few	JJ
45179	977	37	important	important	JJ
45179	977	38	stations	station	NNS
45179	977	39	.	.	.
45179	978	1	The	the	DT
45179	978	2	new	new	JJ
45179	978	3	Metropolitan	Metropolitan	NNP
45179	978	4	line	line	NN
45179	978	5	in	in	IN
45179	978	6	Madrid	Madrid	NNP
45179	978	7	is	be	VBZ
45179	978	8	equipped	equip	VBN
45179	978	9	with	with	IN
45179	978	10	an	an	DT
45179	978	11	intermittent	intermittent	JJ
45179	978	12	contact	contact	NN
45179	978	13	system	system	NN
45179	978	14	,	,	,
45179	978	15	probably	probably	RB
45179	978	16	copied	copy	VBD
45179	978	17	from	from	IN
45179	978	18	the	the	DT
45179	978	19	Paris	Paris	NNP
45179	978	20	Metropolitan	Metropolitan	NNP
45179	978	21	.	.	.
45179	979	1	Although	although	IN
45179	979	2	a	a	DT
45179	979	3	little	little	JJ
45179	979	4	outside	outside	IN
45179	979	5	the	the	DT
45179	979	6	scope	scope	NN
45179	979	7	of	of	IN
45179	979	8	these	these	DT
45179	979	9	notes	note	NNS
45179	979	10	,	,	,
45179	979	11	the	the	DT
45179	979	12	writer	writer	NN
45179	979	13	would	would	MD
45179	979	14	emphasize	emphasize	VB
45179	979	15	that	that	IN
45179	979	16	in	in	IN
45179	979	17	the	the	DT
45179	979	18	English	english	JJ
45179	979	19	colonies	colony	NNS
45179	979	20	and	and	CC
45179	979	21	in	in	IN
45179	979	22	South	South	NNP
45179	979	23	America	America	NNP
45179	979	24	(	(	-LRB-
45179	979	25	especially	especially	RB
45179	979	26	,	,	,
45179	979	27	however	however	RB
45179	979	28	,	,	,
45179	979	29	the	the	DT
45179	979	30	former	former	JJ
45179	979	31	)	)	-RRB-
45179	979	32	the	the	DT
45179	979	33	track	track	NN
45179	979	34	circuit	circuit	NN
45179	979	35	is	be	VBZ
45179	979	36	being	be	VBG
45179	979	37	much	much	RB
45179	979	38	used	use	VBN
45179	979	39	and	and	CC
45179	979	40	its	-PRON-	PRP$
45179	979	41	value	value	NN
45179	979	42	appreciated	appreciate	VBD
45179	979	43	.	.	.
45179	980	1	Automatic	automatic	JJ
45179	980	2	signaling	signaling	NN
45179	980	3	is	be	VBZ
45179	980	4	in	in	IN
45179	980	5	use	use	NN
45179	980	6	in	in	IN
45179	980	7	Victoria	Victoria	NNP
45179	980	8	,	,	,
45179	980	9	Queensland	Queensland	NNP
45179	980	10	,	,	,
45179	980	11	South	South	NNP
45179	980	12	Australia	Australia	NNP
45179	980	13	and	and	CC
45179	980	14	New	New	NNP
45179	980	15	South	South	NNP
45179	980	16	Wales	Wales	NNP
45179	980	17	.	.	.
45179	981	1	The	the	DT
45179	981	2	operating	operating	NN
45179	981	3	conditions	condition	NNS
45179	981	4	in	in	IN
45179	981	5	these	these	DT
45179	981	6	countries	country	NNS
45179	981	7	no	no	RB
45179	981	8	doubt	doubt	RB
45179	981	9	much	much	RB
45179	981	10	resemble	resemble	JJ
45179	981	11	American	american	JJ
45179	981	12	circumstances	circumstance	NNS
45179	981	13	and	and	CC
45179	981	14	the	the	DT
45179	981	15	adoption	adoption	NN
45179	981	16	of	of	IN
45179	981	17	automatic	automatic	JJ
45179	981	18	signals	signal	NNS
45179	981	19	is	be	VBZ
45179	981	20	a	a	DT
45179	981	21	natural	natural	JJ
45179	981	22	development	development	NN
45179	981	23	.	.	.
45179	982	1	Summing	sum	VBG
45179	982	2	up	up	RP
45179	982	3	,	,	,
45179	982	4	the	the	DT
45179	982	5	writer	writer	NN
45179	982	6	would	would	MD
45179	982	7	say	say	VB
45179	982	8	,	,	,
45179	982	9	that	that	IN
45179	982	10	the	the	DT
45179	982	11	earliest	early	JJS
45179	982	12	experiments	experiment	NNS
45179	982	13	of	of	IN
45179	982	14	W.	W.	NNP
45179	982	15	R.	R.	NNP
45179	982	16	Sykes	Sykes	NNP
45179	982	17	in	in	IN
45179	982	18	England	England	NNP
45179	982	19	are	be	VBP
45179	982	20	probably	probably	RB
45179	982	21	as	as	RB
45179	982	22	old	old	JJ
45179	982	23	as	as	IN
45179	982	24	those	those	DT
45179	982	25	of	of	IN
45179	982	26	Dr.	Dr.	NNP
45179	982	27	Robinson	Robinson	NNP
45179	982	28	,	,	,
45179	982	29	but	but	CC
45179	982	30	owing	owe	VBG
45179	982	31	to	to	IN
45179	982	32	the	the	DT
45179	982	33	different	different	JJ
45179	982	34	circumstances	circumstance	NNS
45179	982	35	in	in	IN
45179	982	36	which	which	WDT
45179	982	37	the	the	DT
45179	982	38	former	former	JJ
45179	982	39	inventor	inventor	NN
45179	982	40	was	be	VBD
45179	982	41	placed	place	VBN
45179	982	42	,	,	,
45179	982	43	he	-PRON-	PRP
45179	982	44	had	have	VBD
45179	982	45	little	little	JJ
45179	982	46	encouragement	encouragement	NN
45179	982	47	to	to	TO
45179	982	48	continue	continue	VB
45179	982	49	them	-PRON-	PRP
45179	982	50	and	and	CC
45179	982	51	thus	thus	RB
45179	982	52	American	american	JJ
45179	982	53	development	development	NN
45179	982	54	at	at	IN
45179	982	55	first	first	RB
45179	982	56	went	go	VBD
45179	982	57	on	on	RB
45179	982	58	far	far	RB
45179	982	59	ahead	ahead	RB
45179	982	60	of	of	IN
45179	982	61	English	English	NNP
45179	982	62	,	,	,
45179	982	63	while	while	IN
45179	982	64	owing	owe	VBG
45179	982	65	to	to	IN
45179	982	66	the	the	DT
45179	982	67	vastness	vastness	NN
45179	982	68	of	of	IN
45179	982	69	the	the	DT
45179	982	70	American	american	JJ
45179	982	71	continent	continent	NN
45179	982	72	it	-PRON-	PRP
45179	982	73	must	must	MD
45179	982	74	always	always	RB
45179	982	75	present	present	VB
45179	982	76	a	a	DT
45179	982	77	larger	large	JJR
45179	982	78	field	field	NN
45179	982	79	to	to	IN
45179	982	80	the	the	DT
45179	982	81	signal	signal	JJ
45179	982	82	engineers	engineer	NNS
45179	982	83	'	'	POS
45179	982	84	ingenuity	ingenuity	NN
45179	982	85	and	and	CC
45179	982	86	activity	activity	NN
45179	982	87	.	.	.
45179	983	1	In	in	IN
45179	983	2	later	later	JJ
45179	983	3	years	year	NNS
45179	983	4	,	,	,
45179	983	5	however	however	RB
45179	983	6	,	,	,
45179	983	7	the	the	DT
45179	983	8	English	english	JJ
45179	983	9	signalmen	signalmen	NN
45179	983	10	awoke	awake	VBD
45179	983	11	to	to	IN
45179	983	12	the	the	DT
45179	983	13	importance	importance	NN
45179	983	14	of	of	IN
45179	983	15	the	the	DT
45179	983	16	question	question	NN
45179	983	17	and	and	CC
45179	983	18	installations	installation	NNS
45179	983	19	were	be	VBD
45179	983	20	constructed	construct	VBN
45179	983	21	which	which	WDT
45179	983	22	,	,	,
45179	983	23	if	if	IN
45179	983	24	smaller	small	JJR
45179	983	25	,	,	,
45179	983	26	showed	show	VBD
45179	983	27	as	as	RB
45179	983	28	great	great	JJ
45179	983	29	a	a	DT
45179	983	30	degree	degree	NN
45179	983	31	of	of	IN
45179	983	32	technical	technical	JJ
45179	983	33	perfection	perfection	NN
45179	983	34	as	as	IN
45179	983	35	any	any	DT
45179	983	36	in	in	IN
45179	983	37	America	America	NNP
45179	983	38	.	.	.
45179	984	1	The	the	DT
45179	984	2	future	future	NN
45179	984	3	will	will	MD
45179	984	4	doubtless	doubtless	RB
45179	984	5	see	see	VB
45179	984	6	more	more	JJR
45179	984	7	such	such	JJ
45179	984	8	installations	installation	NNS
45179	984	9	.	.	.
45179	985	1	It	-PRON-	PRP
45179	985	2	is	be	VBZ
45179	985	3	not	not	RB
45179	985	4	known	know	VBN
45179	985	5	to	to	IN
45179	985	6	the	the	DT
45179	985	7	writer	writer	NN
45179	985	8	whether	whether	IN
45179	985	9	anyone	anyone	NN
45179	985	10	on	on	IN
45179	985	11	the	the	DT
45179	985	12	continent	continent	NN
45179	985	13	had	have	VBD
45179	985	14	the	the	DT
45179	985	15	idea	idea	NN
45179	985	16	of	of	IN
45179	985	17	a	a	DT
45179	985	18	track	track	NN
45179	985	19	circuit	circuit	NN
45179	985	20	as	as	RB
45179	985	21	far	far	RB
45179	985	22	back	back	RB
45179	985	23	as	as	IN
45179	985	24	Sykes	Sykes	NNP
45179	985	25	'	'	POS
45179	985	26	or	or	CC
45179	985	27	Robinson	Robinson	NNP
45179	985	28	's	's	POS
45179	985	29	experiments	experiment	NNS
45179	985	30	or	or	CC
45179	985	31	when	when	WRB
45179	985	32	the	the	DT
45179	985	33	first	first	JJ
45179	985	34	attempts	attempt	NNS
45179	985	35	were	be	VBD
45179	985	36	made	make	VBN
45179	985	37	.	.	.
45179	986	1	It	-PRON-	PRP
45179	986	2	would	would	MD
45179	986	3	require	require	VB
45179	986	4	much	much	JJ
45179	986	5	investigation	investigation	NN
45179	986	6	to	to	TO
45179	986	7	find	find	VB
45179	986	8	this	this	DT
45179	986	9	out	out	RP
45179	986	10	.	.	.
45179	987	1	Track	track	NN
45179	987	2	circuit	circuit	NN
45179	987	3	possibilities	possibility	NNS
45179	987	4	are	be	VBP
45179	987	5	now	now	RB
45179	987	6	well	well	RB
45179	987	7	known	known	JJ
45179	987	8	there	there	RB
45179	987	9	and	and	CC
45179	987	10	no	no	RB
45179	987	11	doubt	doubt	RB
45179	987	12	its	-PRON-	PRP$
45179	987	13	use	use	NN
45179	987	14	will	will	MD
45179	987	15	extend	extend	VB
45179	987	16	,	,	,
45179	987	17	but	but	CC
45179	987	18	in	in	IN
45179	987	19	certain	certain	JJ
45179	987	20	countries	country	NNS
45179	987	21	,	,	,
45179	987	22	notably	notably	RB
45179	987	23	Germany	Germany	NNP
45179	987	24	and	and	CC
45179	987	25	Switzerland	Switzerland	NNP
45179	987	26	,	,	,
45179	987	27	there	there	EX
45179	987	28	are	be	VBP
45179	987	29	local	local	JJ
45179	987	30	circumstances	circumstance	NNS
45179	987	31	which	which	WDT
45179	987	32	act	act	VBP
45179	987	33	rather	rather	RB
45179	987	34	strongly	strongly	RB
45179	987	35	against	against	IN
45179	987	36	it	-PRON-	PRP
45179	987	37	at	at	IN
45179	987	38	present	present	NN
45179	987	39	.	.	.
45179	988	1	The	the	DT
45179	988	2	writer	writer	NN
45179	988	3	can	can	MD
45179	988	4	not	not	RB
45179	988	5	give	give	VB
45179	988	6	statistics	statistic	NNS
45179	988	7	on	on	IN
45179	988	8	the	the	DT
45179	988	9	subject	subject	NN
45179	988	10	now	now	RB
45179	988	11	.	.	.
45179	989	1	There	there	EX
45179	989	2	are	be	VBP
45179	989	3	some	some	DT
45179	989	4	figures	figure	NNS
45179	989	5	which	which	WDT
45179	989	6	he	-PRON-	PRP
45179	989	7	possesses	possess	VBZ
45179	989	8	,	,	,
45179	989	9	but	but	CC
45179	989	10	they	-PRON-	PRP
45179	989	11	should	should	MD
45179	989	12	be	be	VB
45179	989	13	verified	verify	VBN
45179	989	14	and	and	CC
45179	989	15	amplified	amplify	VBN
45179	989	16	before	before	IN
45179	989	17	being	be	VBG
45179	989	18	used	use	VBN
45179	989	19	by	by	IN
45179	989	20	the	the	DT
45179	989	21	Signal	Signal	NNP
45179	989	22	Section	Section	NNP
45179	989	23	for	for	IN
45179	989	24	publication	publication	NN
45179	989	25	.	.	.
45179	990	1	The	the	DT
45179	990	2	preceding	precede	VBG
45179	990	3	notes	note	NNS
45179	990	4	are	be	VBP
45179	990	5	,	,	,
45179	990	6	he	-PRON-	PRP
45179	990	7	is	be	VBZ
45179	990	8	too	too	RB
45179	990	9	fully	fully	RB
45179	990	10	aware	aware	JJ
45179	990	11	,	,	,
45179	990	12	very	very	RB
45179	990	13	incomplete	incomplete	JJ
45179	990	14	and	and	CC
45179	990	15	general	general	JJ
45179	990	16	,	,	,
45179	990	17	but	but	CC
45179	990	18	he	-PRON-	PRP
45179	990	19	hopes	hope	VBZ
45179	990	20	they	-PRON-	PRP
45179	990	21	may	may	MD
45179	990	22	be	be	VB
45179	990	23	of	of	IN
45179	990	24	some	some	DT
45179	990	25	present	present	JJ
45179	990	26	use	use	NN
45179	990	27	.	.	.