id sid tid token lemma pos 33154 1 1 THE the DT 33154 1 2 TELEPHONE TELEPHONE NNP 33154 1 3 By by IN 33154 1 4 Professor Professor NNP 33154 1 5 A. A. NNP 33154 1 6 E. E. NNP 33154 1 7 Dolbear Dolbear NNP 33154 1 8 _ _ NNP 33154 1 9 THE the DT 33154 1 10 TELEPHONE telephone NN 33154 1 11 _ _ NN 33154 1 12 With with IN 33154 1 13 directions direction NNS 33154 1 14 for for IN 33154 1 15 making make VBG 33154 1 16 a a DT 33154 1 17 Speaking Speaking NNP 33154 1 18 Telephone Telephone NNP 33154 1 19 Illustrated Illustrated NNP 33154 1 20 50 50 CD 33154 1 21 cents cent NNS 33154 1 22 _ _ IN 33154 1 23 THE the DT 33154 1 24 ART ART NNP 33154 1 25 OF of IN 33154 1 26 PROJECTING PROJECTING NNP 33154 1 27 _ _ NNP 33154 1 28 A a DT 33154 1 29 Manual Manual NNP 33154 1 30 of of IN 33154 1 31 Experimentation Experimentation NNP 33154 1 32 in in IN 33154 1 33 Physics Physics NNP 33154 1 34 , , , 33154 1 35 Chemistry Chemistry NNP 33154 1 36 , , , 33154 1 37 and and CC 33154 1 38 Natural natural JJ 33154 1 39 History History NNP 33154 1 40 , , , 33154 1 41 with with IN 33154 1 42 the the DT 33154 1 43 Porte Porte NNP 33154 1 44 Lumière Lumière NNP 33154 1 45 and and CC 33154 1 46 Magic Magic NNP 33154 1 47 Lantern Lantern NNP 33154 1 48 New New NNP 33154 1 49 Edition Edition NNP 33154 1 50 Revised Revised NNP 33154 1 51 Illustrated Illustrated NNP 33154 1 52 $ $ $ 33154 1 53 2.00 2.00 CD 33154 1 54 _ _ NNP 33154 1 55 MATTER MATTER NNP 33154 1 56 , , , 33154 1 57 ETHER ETHER NNP 33154 1 58 , , , 33154 1 59 AND and CC 33154 1 60 MOTION MOTION NNP 33154 1 61 _ _ NNP 33154 1 62 The the DT 33154 1 63 Factors Factors NNPS 33154 1 64 and and CC 33154 1 65 Relations Relations NNPS 33154 1 66 of of IN 33154 1 67 Physical Physical NNP 33154 1 68 Science Science NNP 33154 1 69 Illustrated Illustrated NNP 33154 1 70 $ $ $ 33154 1 71 1.75 1.75 CD 33154 1 72 Lee Lee NNP 33154 1 73 and and CC 33154 1 74 Shepard Shepard NNP 33154 1 75 Publishers Publishers NNPS 33154 1 76 Boston Boston NNP 33154 1 77 THE the DT 33154 1 78 TELEPHONE telephone NN 33154 1 79 : : : 33154 1 80 AN an DT 33154 1 81 ACCOUNT account NN 33154 1 82 OF of IN 33154 1 83 THE the DT 33154 1 84 _ _ NNP 33154 1 85 Phenomena Phenomena NNP 33154 1 86 of of IN 33154 1 87 Electricity Electricity NNP 33154 1 88 , , , 33154 1 89 Magnetism Magnetism NNP 33154 1 90 , , , 33154 1 91 and and CC 33154 1 92 Sound Sound NNP 33154 1 93 , , , 33154 1 94 _ _ NNP 33154 1 95 AS as IN 33154 1 96 INVOLVED involve VBN 33154 1 97 IN in IN 33154 1 98 ITS its PRP$ 33154 1 99 ACTION action NN 33154 1 100 . . . 33154 2 1 WITH with IN 33154 2 2 DIRECTIONS directions NN 33154 2 3 FOR for IN 33154 2 4 MAKING make VBG 33154 2 5 A a DT 33154 2 6 SPEAKING speaking NN 33154 2 7 TELEPHONE telephone NN 33154 2 8 . . . 33154 3 1 BY by IN 33154 3 2 PROF PROF NNP 33154 3 3 . . NNP 33154 3 4 A. A. NNP 33154 3 5 E. E. NNP 33154 3 6 DOLBEAR DOLBEAR NNP 33154 3 7 , , , 33154 3 8 TUFTS TUFTS NNP 33154 3 9 COLLEGE COLLEGE NNP 33154 3 10 , , , 33154 3 11 AUTHOR AUTHOR NNP 33154 3 12 OF of IN 33154 3 13 " " `` 33154 3 14 THE the DT 33154 3 15 ART art NN 33154 3 16 OF of IN 33154 3 17 PROJECTING projecting NN 33154 3 18 , , , 33154 3 19 " " '' 33154 3 20 ETC etc FW 33154 3 21 . . . 33154 4 1 BOSTON BOSTON NNP 33154 4 2 : : : 33154 4 3 LEE LEE NNP 33154 4 4 & & CC 33154 4 5 SHEPARD SHEPARD NNP 33154 4 6 , , , 33154 4 7 PUBLISHERS PUBLISHERS NNP 33154 4 8 . . . 33154 5 1 COPYRIGHT COPYRIGHT NNP 33154 5 2 , , , 33154 5 3 1877 1877 CD 33154 5 4 , , , 33154 5 5 BY BY NNP 33154 5 6 A. a. NN 33154 5 7 E. E. NNP 33154 5 8 DOLBEAR DOLBEAR NNP 33154 5 9 . . . 33154 6 1 PREFACE PREFACE NNP 33154 6 2 . . . 33154 7 1 THE the DT 33154 7 2 popular popular JJ 33154 7 3 exhibitions exhibition NNS 33154 7 4 of of IN 33154 7 5 the the DT 33154 7 6 speaking speak VBG 33154 7 7 - - HYPH 33154 7 8 telephone telephone NN 33154 7 9 during during IN 33154 7 10 the the DT 33154 7 11 past past JJ 33154 7 12 six six CD 33154 7 13 months month NNS 33154 7 14 , , , 33154 7 15 together together RB 33154 7 16 with with IN 33154 7 17 numerous numerous JJ 33154 7 18 newspaper newspaper NN 33154 7 19 articles article NNS 33154 7 20 , , , 33154 7 21 have have VBP 33154 7 22 created create VBN 33154 7 23 a a DT 33154 7 24 widespread widespread JJ 33154 7 25 interest interest NN 33154 7 26 in in IN 33154 7 27 the the DT 33154 7 28 instrument instrument NN 33154 7 29 ; ; : 33154 7 30 and and CC 33154 7 31 it -PRON- PRP 33154 7 32 has have VBZ 33154 7 33 been be VBN 33154 7 34 thought think VBN 33154 7 35 that that IN 33154 7 36 a a DT 33154 7 37 small small JJ 33154 7 38 book book NN 33154 7 39 explanatory explanatory JJ 33154 7 40 of of IN 33154 7 41 its -PRON- PRP$ 33154 7 42 action action NN 33154 7 43 would would MD 33154 7 44 meet meet VB 33154 7 45 a a DT 33154 7 46 public public JJ 33154 7 47 want want NN 33154 7 48 . . . 33154 8 1 It -PRON- PRP 33154 8 2 has have VBZ 33154 8 3 seemed seem VBN 33154 8 4 to to TO 33154 8 5 be be VB 33154 8 6 necessary necessary JJ 33154 8 7 to to TO 33154 8 8 call call VB 33154 8 9 attention attention NN 33154 8 10 to to IN 33154 8 11 the the DT 33154 8 12 various various JJ 33154 8 13 phenomena phenomenon NNS 33154 8 14 and and CC 33154 8 15 inter inter NN 33154 8 16 - - NNS 33154 8 17 actions action NNS 33154 8 18 of of IN 33154 8 19 the the DT 33154 8 20 forces force NNS 33154 8 21 involved involve VBN 33154 8 22 ; ; : 33154 8 23 and and CC 33154 8 24 hence hence RB 33154 8 25 the the DT 33154 8 26 author author NN 33154 8 27 has have VBZ 33154 8 28 attempted attempt VBN 33154 8 29 to to TO 33154 8 30 make make VB 33154 8 31 plain plain JJ 33154 8 32 and and CC 33154 8 33 intelligible intelligible JJ 33154 8 34 the the DT 33154 8 35 phenomena phenomenon NNS 33154 8 36 of of IN 33154 8 37 electricity electricity NN 33154 8 38 , , , 33154 8 39 magnetism magnetism NN 33154 8 40 , , , 33154 8 41 and and CC 33154 8 42 sound sound NN 33154 8 43 . . . 33154 9 1 Cuts cut NNS 33154 9 2 have have VBP 33154 9 3 been be VBN 33154 9 4 inserted insert VBN 33154 9 5 where where WRB 33154 9 6 they -PRON- PRP 33154 9 7 could could MD 33154 9 8 be be VB 33154 9 9 useful useful JJ 33154 9 10 in in IN 33154 9 11 making make VBG 33154 9 12 the the DT 33154 9 13 mechanical mechanical JJ 33154 9 14 conditions condition NNS 33154 9 15 more more RBR 33154 9 16 intelligible intelligible JJ 33154 9 17 ; ; : 33154 9 18 and and CC 33154 9 19 a a DT 33154 9 20 table table NN 33154 9 21 of of IN 33154 9 22 tone tone NN 33154 9 23 - - HYPH 33154 9 24 composition composition NN 33154 9 25 has have VBZ 33154 9 26 been be VBN 33154 9 27 devised devise VBN 33154 9 28 , , , 33154 9 29 which which WDT 33154 9 30 shows show VBZ 33154 9 31 at at IN 33154 9 32 a a DT 33154 9 33 glance glance NN 33154 9 34 the the DT 33154 9 35 constituents constituent NNS 33154 9 36 of of IN 33154 9 37 the the DT 33154 9 38 sounds sound NNS 33154 9 39 of of IN 33154 9 40 various various JJ 33154 9 41 musical musical JJ 33154 9 42 instruments instrument NNS 33154 9 43 . . . 33154 10 1 As as IN 33154 10 2 the the DT 33154 10 3 speaking speaking NN 33154 10 4 - - HYPH 33154 10 5 telephone telephone NN 33154 10 6 , , , 33154 10 7 in in IN 33154 10 8 which which WDT 33154 10 9 magneto magneto NNP 33154 10 10 - - HYPH 33154 10 11 electric electric JJ 33154 10 12 currents current NNS 33154 10 13 were be VBD 33154 10 14 utilized utilize VBN 33154 10 15 for for IN 33154 10 16 the the DT 33154 10 17 transmission transmission NN 33154 10 18 of of IN 33154 10 19 speech speech NN 33154 10 20 and and CC 33154 10 21 other other JJ 33154 10 22 kinds kind NNS 33154 10 23 of of IN 33154 10 24 sounds sound NNS 33154 10 25 , , , 33154 10 26 was be VBD 33154 10 27 invented invent VBN 33154 10 28 by by IN 33154 10 29 me -PRON- PRP 33154 10 30 , , , 33154 10 31 I -PRON- PRP 33154 10 32 have have VBP 33154 10 33 described describe VBN 33154 10 34 at at IN 33154 10 35 some some DT 33154 10 36 length length NN 33154 10 37 my -PRON- PRP$ 33154 10 38 first first JJ 33154 10 39 instrument instrument NN 33154 10 40 , , , 33154 10 41 and and CC 33154 10 42 have have VBP 33154 10 43 also also RB 33154 10 44 given give VBN 33154 10 45 explicit explicit JJ 33154 10 46 directions direction NNS 33154 10 47 for for IN 33154 10 48 making make VBG 33154 10 49 a a DT 33154 10 50 speaking speak VBG 33154 10 51 - - HYPH 33154 10 52 telephone telephone NN 33154 10 53 which which WDT 33154 10 54 I -PRON- PRP 33154 10 55 know know VBP 33154 10 56 , , , 33154 10 57 by by IN 33154 10 58 trial trial NN 33154 10 59 , , , 33154 10 60 to to TO 33154 10 61 be be VB 33154 10 62 as as RB 33154 10 63 efficient efficient JJ 33154 10 64 as as IN 33154 10 65 any any DT 33154 10 66 hitherto hitherto NNP 33154 10 67 made make VBN 33154 10 68 ; ; : 33154 10 69 but but CC 33154 10 70 nothing nothing NN 33154 10 71 in in IN 33154 10 72 the the DT 33154 10 73 book book NN 33154 10 74 is be VBZ 33154 10 75 to to TO 33154 10 76 be be VB 33154 10 77 taken take VBN 33154 10 78 as as IN 33154 10 79 a a DT 33154 10 80 dedication dedication NN 33154 10 81 of of IN 33154 10 82 the the DT 33154 10 83 invention invention NN 33154 10 84 to to IN 33154 10 85 the the DT 33154 10 86 public public NN 33154 10 87 , , , 33154 10 88 as as IN 33154 10 89 steps step NNS 33154 10 90 have have VBP 33154 10 91 already already RB 33154 10 92 been be VBN 33154 10 93 taken take VBN 33154 10 94 to to TO 33154 10 95 secure secure VB 33154 10 96 letters letter NNS 33154 10 97 - - : 33154 10 98 patent patent NN 33154 10 99 according accord VBG 33154 10 100 to to IN 33154 10 101 the the DT 33154 10 102 laws law NNS 33154 10 103 of of IN 33154 10 104 the the DT 33154 10 105 United United NNP 33154 10 106 States States NNP 33154 10 107 . . . 33154 11 1 A. A. NNP 33154 11 2 E. E. NNP 33154 11 3 DOLBEAR DOLBEAR NNP 33154 11 4 . . . 33154 12 1 COLLEGE COLLEGE NNP 33154 12 2 HILL HILL NNP 33154 12 3 , , , 33154 12 4 MASS MASS NNP 33154 12 5 . . . 33154 13 1 THE the DT 33154 13 2 TELEPHONE telephone NN 33154 13 3 . . . 33154 14 1 ELECTRICITY ELECTRICITY NNP 33154 14 2 . . . 33154 15 1 SOME some NN 33154 15 2 of of IN 33154 15 3 the the DT 33154 15 4 phenomena phenomenon NNS 33154 15 5 of of IN 33154 15 6 electricity electricity NN 33154 15 7 are be VBP 33154 15 8 manifested manifest VBN 33154 15 9 upon upon IN 33154 15 10 so so RB 33154 15 11 large large JJ 33154 15 12 a a DT 33154 15 13 scale scale NN 33154 15 14 as as IN 33154 15 15 to to TO 33154 15 16 be be VB 33154 15 17 thrust thrust VBN 33154 15 18 upon upon IN 33154 15 19 the the DT 33154 15 20 attention attention NN 33154 15 21 of of IN 33154 15 22 everybody everybody NN 33154 15 23 . . . 33154 16 1 Thus thus RB 33154 16 2 lightning lightning NN 33154 16 3 , , , 33154 16 4 which which WDT 33154 16 5 accompanies accompany VBZ 33154 16 6 so so RB 33154 16 7 many many JJ 33154 16 8 showers shower NNS 33154 16 9 in in IN 33154 16 10 warm warm JJ 33154 16 11 weather weather NN 33154 16 12 in in IN 33154 16 13 almost almost RB 33154 16 14 every every DT 33154 16 15 latitude latitude NN 33154 16 16 , , , 33154 16 17 has have VBZ 33154 16 18 always always RB 33154 16 19 excited excite VBN 33154 16 20 in in IN 33154 16 21 some some DT 33154 16 22 individuals individual NNS 33154 16 23 a a DT 33154 16 24 superstitious superstitious JJ 33154 16 25 awe awe NN 33154 16 26 , , , 33154 16 27 as as IN 33154 16 28 being be VBG 33154 16 29 an an DT 33154 16 30 exhibition exhibition NN 33154 16 31 of of IN 33154 16 32 supernatural supernatural JJ 33154 16 33 agency agency NN 33154 16 34 ; ; : 33154 16 35 and and CC 33154 16 36 probably probably RB 33154 16 37 every every DT 33154 16 38 one one NN 33154 16 39 feels feel VBZ 33154 16 40 more more RBR 33154 16 41 or or CC 33154 16 42 less less JJR 33154 16 43 dread dread NN 33154 16 44 of of IN 33154 16 45 it -PRON- PRP 33154 16 46 during during IN 33154 16 47 a a DT 33154 16 48 thunder thunder NN 33154 16 49 - - HYPH 33154 16 50 shower shower NN 33154 16 51 , , , 33154 16 52 and and CC 33154 16 53 this this DT 33154 16 54 for for IN 33154 16 55 the the DT 33154 16 56 reason reason NN 33154 16 57 that that WDT 33154 16 58 it -PRON- PRP 33154 16 59 affects affect VBZ 33154 16 60 so so RB 33154 16 61 many many JJ 33154 16 62 of of IN 33154 16 63 the the DT 33154 16 64 senses sense NNS 33154 16 65 at at IN 33154 16 66 the the DT 33154 16 67 same same JJ 33154 16 68 time time NN 33154 16 69 . . . 33154 17 1 The the DT 33154 17 2 flash flash NN 33154 17 3 may may MD 33154 17 4 be be VB 33154 17 5 blinding blind VBG 33154 17 6 to to IN 33154 17 7 the the DT 33154 17 8 eyes eye NNS 33154 17 9 if if IN 33154 17 10 near near RB 33154 17 11 to to IN 33154 17 12 us -PRON- PRP 33154 17 13 ; ; : 33154 17 14 the the DT 33154 17 15 thunder thunder NN 33154 17 16 may may MD 33154 17 17 be be VB 33154 17 18 deafening deafen VBG 33154 17 19 to to IN 33154 17 20 the the DT 33154 17 21 ears ear NNS 33154 17 22 , , , 33154 17 23 and and CC 33154 17 24 so so RB 33154 17 25 powerful powerful JJ 33154 17 26 as as IN 33154 17 27 to to TO 33154 17 28 shake shake VB 33154 17 29 the the DT 33154 17 30 foundations foundation NNS 33154 17 31 of of IN 33154 17 32 the the DT 33154 17 33 hills hill NNS 33154 17 34 , , , 33154 17 35 and and CC 33154 17 36 make make VB 33154 17 37 the the DT 33154 17 38 ground ground NN 33154 17 39 upon upon IN 33154 17 40 which which WDT 33154 17 41 we -PRON- PRP 33154 17 42 stand stand VBP 33154 17 43 to to TO 33154 17 44 sensibly sensibly RB 33154 17 45 move move VB 33154 17 46 : : : 33154 17 47 these these DT 33154 17 48 with with IN 33154 17 49 the the DT 33154 17 50 remembered remember VBN 33154 17 51 destructive destructive JJ 33154 17 52 effects effect NNS 33154 17 53 that that WDT 33154 17 54 have have VBP 33154 17 55 been be VBN 33154 17 56 witnessed witness VBN 33154 17 57 , , , 33154 17 58 of of IN 33154 17 59 buildings building NNS 33154 17 60 demolished demolish VBN 33154 17 61 and and CC 33154 17 62 large large JJ 33154 17 63 trees tree NNS 33154 17 64 torn tear VBN 33154 17 65 to to IN 33154 17 66 splinters splinter NNS 33154 17 67 in in IN 33154 17 68 an an DT 33154 17 69 instant instant NN 33154 17 70 , , , 33154 17 71 are be VBP 33154 17 72 quite quite RB 33154 17 73 sufficient sufficient JJ 33154 17 74 to to TO 33154 17 75 raise raise VB 33154 17 76 a a DT 33154 17 77 feeling feeling NN 33154 17 78 of of IN 33154 17 79 dread dread NN 33154 17 80 in in IN 33154 17 81 the the DT 33154 17 82 strongest strong JJS 33154 17 83 mind mind NN 33154 17 84 . . . 33154 18 1 In in IN 33154 18 2 the the DT 33154 18 3 polar polar JJ 33154 18 4 regions region NNS 33154 18 5 , , , 33154 18 6 both both CC 33154 18 7 north north NN 33154 18 8 and and CC 33154 18 9 south south NN 33154 18 10 , , , 33154 18 11 where where WRB 33154 18 12 thunder thunder NN 33154 18 13 - - HYPH 33154 18 14 storms storm NNS 33154 18 15 are be VBP 33154 18 16 less less RBR 33154 18 17 frequent frequent JJ 33154 18 18 , , , 33154 18 19 the the DT 33154 18 20 atmospheric atmospheric JJ 33154 18 21 electricity electricity NN 33154 18 22 assumes assume VBZ 33154 18 23 the the DT 33154 18 24 form form NN 33154 18 25 called call VBD 33154 18 26 the the DT 33154 18 27 aurora aurora NNP 33154 18 28 borealis borealis NNP 33154 18 29 , , , 33154 18 30 or or CC 33154 18 31 the the DT 33154 18 32 aurora aurora NNP 33154 18 33 australis australis NNP 33154 18 34 , , , 33154 18 35 according accord VBG 33154 18 36 as as IN 33154 18 37 it -PRON- PRP 33154 18 38 is be VBZ 33154 18 39 seen see VBN 33154 18 40 north north NN 33154 18 41 or or CC 33154 18 42 south south RB 33154 18 43 of of IN 33154 18 44 the the DT 33154 18 45 equator equator NN 33154 18 46 . . . 33154 19 1 More More JJR 33154 19 2 than than IN 33154 19 3 two two CD 33154 19 4 thousand thousand CD 33154 19 5 years year NNS 33154 19 6 ago ago RB 33154 19 7 it -PRON- PRP 33154 19 8 was be VBD 33154 19 9 noticed notice VBN 33154 19 10 by by IN 33154 19 11 the the DT 33154 19 12 Greeks Greeks NNPS 33154 19 13 that that WDT 33154 19 14 a a DT 33154 19 15 certain certain JJ 33154 19 16 kind kind NN 33154 19 17 of of IN 33154 19 18 a a DT 33154 19 19 mineral mineral NN 33154 19 20 which which WDT 33154 19 21 was be VBD 33154 19 22 thrown throw VBN 33154 19 23 up up RP 33154 19 24 on on IN 33154 19 25 the the DT 33154 19 26 shores shore NNS 33154 19 27 of of IN 33154 19 28 the the DT 33154 19 29 Mediterranean Mediterranean NNP 33154 19 30 Sea Sea NNP 33154 19 31 , , , 33154 19 32 when when WRB 33154 19 33 rubbed rub VBN 33154 19 34 would would MD 33154 19 35 attract attract VB 33154 19 36 light light JJ 33154 19 37 bodies body NNS 33154 19 38 , , , 33154 19 39 such such JJ 33154 19 40 as as IN 33154 19 41 shreds shred NNS 33154 19 42 of of IN 33154 19 43 silk silk NN 33154 19 44 or or CC 33154 19 45 linen linen NN 33154 19 46 and and CC 33154 19 47 bits bit NNS 33154 19 48 of of IN 33154 19 49 paper paper NN 33154 19 50 . . . 33154 20 1 To to IN 33154 20 2 this this DT 33154 20 3 substance substance NN 33154 20 4 they -PRON- PRP 33154 20 5 gave give VBD 33154 20 6 the the DT 33154 20 7 name name NN 33154 20 8 of of IN 33154 20 9 Elektron Elektron NNP 33154 20 10 , , , 33154 20 11 and and CC 33154 20 12 the the DT 33154 20 13 property property NN 33154 20 14 developed develop VBN 33154 20 15 thus thus RB 33154 20 16 by by IN 33154 20 17 friction friction NN 33154 20 18 was be VBD 33154 20 19 afterwards afterwards RB 33154 20 20 called call VBN 33154 20 21 electricity electricity NN 33154 20 22 . . . 33154 21 1 In in IN 33154 21 2 1600 1600 CD 33154 21 3 Dr. Dr. NNP 33154 21 4 Gilbert Gilbert NNP 33154 21 5 , , , 33154 21 6 physician physician NN 33154 21 7 to to IN 33154 21 8 Queen Queen NNP 33154 21 9 Elizabeth Elizabeth NNP 33154 21 10 , , , 33154 21 11 published publish VBD 33154 21 12 a a DT 33154 21 13 book book NN 33154 21 14 in in IN 33154 21 15 which which WDT 33154 21 16 he -PRON- PRP 33154 21 17 described describe VBD 33154 21 18 numerous numerous JJ 33154 21 19 experiments experiment NNS 33154 21 20 demonstrating demonstrate VBG 33154 21 21 that that IN 33154 21 22 electricity electricity NN 33154 21 23 could could MD 33154 21 24 be be VB 33154 21 25 developed develop VBN 33154 21 26 by by IN 33154 21 27 friction friction NN 33154 21 28 upon upon IN 33154 21 29 a a DT 33154 21 30 great great JJ 33154 21 31 variety variety NN 33154 21 32 of of IN 33154 21 33 substances substance NNS 33154 21 34 , , , 33154 21 35 such such JJ 33154 21 36 as as IN 33154 21 37 stones stone NNS 33154 21 38 , , , 33154 21 39 gems gem NNS 33154 21 40 , , , 33154 21 41 and and CC 33154 21 42 resins resin NNS 33154 21 43 . . . 33154 22 1 The the DT 33154 22 2 first first JJ 33154 22 3 machine machine NN 33154 22 4 for for IN 33154 22 5 developing develop VBG 33154 22 6 electricity electricity NN 33154 22 7 was be VBD 33154 22 8 made make VBN 33154 22 9 by by IN 33154 22 10 Otto Otto NNP 33154 22 11 von von NNP 33154 22 12 Guericke Guericke NNP 33154 22 13 of of IN 33154 22 14 Magdeburg Magdeburg NNP 33154 22 15 , , , 33154 22 16 about about RB 33154 22 17 1680 1680 CD 33154 22 18 . . . 33154 23 1 His -PRON- PRP$ 33154 23 2 machine machine NN 33154 23 3 consisted consist VBD 33154 23 4 of of IN 33154 23 5 a a DT 33154 23 6 ball ball NN 33154 23 7 of of IN 33154 23 8 sulphur sulphur NNP 33154 23 9 about about IN 33154 23 10 six six CD 33154 23 11 inches inch NNS 33154 23 12 in in IN 33154 23 13 diameter diameter NN 33154 23 14 , , , 33154 23 15 which which WDT 33154 23 16 could could MD 33154 23 17 be be VB 33154 23 18 rotated rotate VBN 33154 23 19 . . . 33154 24 1 If if IN 33154 24 2 the the DT 33154 24 3 dry dry JJ 33154 24 4 hand hand NN 33154 24 5 were be VBD 33154 24 6 held hold VBN 33154 24 7 against against IN 33154 24 8 the the DT 33154 24 9 sulphur sulphur NN 33154 24 10 while while IN 33154 24 11 it -PRON- PRP 33154 24 12 was be VBD 33154 24 13 being be VBG 33154 24 14 turned turn VBN 33154 24 15 in in RP 33154 24 16 a a DT 33154 24 17 dark dark JJ 33154 24 18 room room NN 33154 24 19 , , , 33154 24 20 the the DT 33154 24 21 sphere sphere NN 33154 24 22 appeared appear VBD 33154 24 23 to to TO 33154 24 24 emit emit VB 33154 24 25 light light NN 33154 24 26 : : : 33154 24 27 it -PRON- PRP 33154 24 28 also also RB 33154 24 29 gave give VBD 33154 24 30 out out RP 33154 24 31 a a DT 33154 24 32 peculiar peculiar JJ 33154 24 33 hissing hissing NN 33154 24 34 or or CC 33154 24 35 crackling crackle VBG 33154 24 36 sound sound NN 33154 24 37 . . . 33154 25 1 Newton Newton NNP 33154 25 2 experimented experiment VBD 33154 25 3 a a DT 33154 25 4 little little JJ 33154 25 5 with with IN 33154 25 6 electricity electricity NN 33154 25 7 , , , 33154 25 8 and and CC 33154 25 9 noticed notice VBD 33154 25 10 that that IN 33154 25 11 the the DT 33154 25 12 rubber rubber NN 33154 25 13 was be VBD 33154 25 14 an an DT 33154 25 15 important important JJ 33154 25 16 element element NN 33154 25 17 in in IN 33154 25 18 developing develop VBG 33154 25 19 electricity electricity NN 33154 25 20 . . . 33154 26 1 He -PRON- PRP 33154 26 2 does do VBZ 33154 26 3 not not RB 33154 26 4 seem seem VB 33154 26 5 to to TO 33154 26 6 have have VB 33154 26 7 given give VBN 33154 26 8 to to IN 33154 26 9 the the DT 33154 26 10 subject subject NN 33154 26 11 the the DT 33154 26 12 same same JJ 33154 26 13 attention attention NN 33154 26 14 that that WDT 33154 26 15 he -PRON- PRP 33154 26 16 gave give VBD 33154 26 17 to to IN 33154 26 18 some some DT 33154 26 19 other other JJ 33154 26 20 departments department NNS 33154 26 21 of of IN 33154 26 22 science science NN 33154 26 23 . . . 33154 27 1 Had have VBD 33154 27 2 he -PRON- PRP 33154 27 3 done do VBN 33154 27 4 so so RB 33154 27 5 , , , 33154 27 6 it -PRON- PRP 33154 27 7 is be VBZ 33154 27 8 probable probable JJ 33154 27 9 that that IN 33154 27 10 he -PRON- PRP 33154 27 11 would would MD 33154 27 12 have have VB 33154 27 13 advanced advance VBN 33154 27 14 the the DT 33154 27 15 study study NN 33154 27 16 a a DT 33154 27 17 hundred hundred CD 33154 27 18 years year NNS 33154 27 19 ; ; : 33154 27 20 that that DT 33154 27 21 is be VBZ 33154 27 22 to to TO 33154 27 23 say say VB 33154 27 24 , , , 33154 27 25 he -PRON- PRP 33154 27 26 would would MD 33154 27 27 probably probably RB 33154 27 28 have have VB 33154 27 29 left leave VBN 33154 27 30 it -PRON- PRP 33154 27 31 at at IN 33154 27 32 the the DT 33154 27 33 place place NN 33154 27 34 where where WRB 33154 27 35 it -PRON- PRP 33154 27 36 actually actually RB 33154 27 37 was be VBD 33154 27 38 in in IN 33154 27 39 1790 1790 CD 33154 27 40 . . . 33154 28 1 So so RB 33154 28 2 great great JJ 33154 28 3 were be VBD 33154 28 4 his -PRON- PRP$ 33154 28 5 abilities ability NNS 33154 28 6 that that IN 33154 28 7 in in IN 33154 28 8 one one CD 33154 28 9 lifetime lifetime NN 33154 28 10 he -PRON- PRP 33154 28 11 made make VBD 33154 28 12 greater great JJR 33154 28 13 additions addition NNS 33154 28 14 to to IN 33154 28 15 human human JJ 33154 28 16 knowledge knowledge NN 33154 28 17 than than IN 33154 28 18 all all PDT 33154 28 19 the the DT 33154 28 20 rest rest NN 33154 28 21 of of IN 33154 28 22 mankind mankind NN 33154 28 23 had have VBD 33154 28 24 made make VBN 33154 28 25 during during IN 33154 28 26 the the DT 33154 28 27 preceding precede VBG 33154 28 28 thousand thousand CD 33154 28 29 years year NNS 33154 28 30 . . . 33154 29 1 In in IN 33154 29 2 the the DT 33154 29 3 month month NN 33154 29 4 of of IN 33154 29 5 June June NNP 33154 29 6 , , , 33154 29 7 1752 1752 CD 33154 29 8 , , , 33154 29 9 Franklin Franklin NNP 33154 29 10 made make VBD 33154 29 11 that that DT 33154 29 12 memorable memorable JJ 33154 29 13 experiment experiment NN 33154 29 14 which which WDT 33154 29 15 immortalized immortalize VBD 33154 29 16 him -PRON- PRP 33154 29 17 . . . 33154 30 1 He -PRON- PRP 33154 30 2 flew fly VBD 33154 30 3 his -PRON- PRP$ 33154 30 4 kite kite NN 33154 30 5 to to IN 33154 30 6 the the DT 33154 30 7 thunder thunder NN 33154 30 8 - - HYPH 33154 30 9 cloud cloud NN 33154 30 10 , , , 33154 30 11 practically practically RB 33154 30 12 asking ask VBG 33154 30 13 the the DT 33154 30 14 question question NN 33154 30 15 of of IN 33154 30 16 the the DT 33154 30 17 lightning lightning NN 33154 30 18 whether whether IN 33154 30 19 or or CC 33154 30 20 not not RB 33154 30 21 it -PRON- PRP 33154 30 22 was be VBD 33154 30 23 identical identical JJ 33154 30 24 with with IN 33154 30 25 electricity electricity NN 33154 30 26 . . . 33154 31 1 The the DT 33154 31 2 lightning lightning NN 33154 31 3 came come VBD 33154 31 4 down down IN 33154 31 5 the the DT 33154 31 6 wetted wet VBN 33154 31 7 twine twine NN 33154 31 8 to to IN 33154 31 9 his -PRON- PRP$ 33154 31 10 hand hand NN 33154 31 11 , , , 33154 31 12 and and CC 33154 31 13 proclaimed proclaim VBD 33154 31 14 its -PRON- PRP$ 33154 31 15 identity identity NN 33154 31 16 . . . 33154 32 1 For for IN 33154 32 2 the the DT 33154 32 3 next next JJ 33154 32 4 forty forty CD 33154 32 5 years year NNS 33154 32 6 the the DT 33154 32 7 natural natural JJ 33154 32 8 philosophers philosopher NNS 33154 32 9 in in IN 33154 32 10 both both CC 33154 32 11 Europe Europe NNP 33154 32 12 and and CC 33154 32 13 America America NNP 33154 32 14 only only RB 33154 32 15 rung ring VBD 33154 32 16 the the DT 33154 32 17 changes change NNS 33154 32 18 upon upon IN 33154 32 19 what what WP 33154 32 20 was be VBD 33154 32 21 known know VBN 33154 32 22 . . . 33154 33 1 They -PRON- PRP 33154 33 2 flew fly VBD 33154 33 3 kites kite NNS 33154 33 4 to to IN 33154 33 5 the the DT 33154 33 6 clouds cloud NNS 33154 33 7 ; ; : 33154 33 8 they -PRON- PRP 33154 33 9 made make VBD 33154 33 10 and and CC 33154 33 11 charged charge VBD 33154 33 12 Leyden Leyden NNP 33154 33 13 jars jar NNS 33154 33 14 , , , 33154 33 15 and and CC 33154 33 16 discharged discharge VBD 33154 33 17 them -PRON- PRP 33154 33 18 through through IN 33154 33 19 wires wire NNS 33154 33 20 and and CC 33154 33 21 chains chain NNS 33154 33 22 and and CC 33154 33 23 circuits circuit NNS 33154 33 24 of of IN 33154 33 25 clasped clasped JJ 33154 33 26 hands hand NNS 33154 33 27 , , , 33154 33 28 and and CC 33154 33 29 studied study VBD 33154 33 30 the the DT 33154 33 31 attractions attraction NNS 33154 33 32 and and CC 33154 33 33 repulsions repulsion NNS 33154 33 34 manifested manifest VBN 33154 33 35 by by IN 33154 33 36 electrified electrified JJ 33154 33 37 bodies body NNS 33154 33 38 ; ; : 33154 33 39 but but CC 33154 33 40 they -PRON- PRP 33154 33 41 added add VBD 33154 33 42 nothing nothing NN 33154 33 43 of of IN 33154 33 44 importance importance NN 33154 33 45 in in IN 33154 33 46 the the DT 33154 33 47 way way NN 33154 33 48 of of IN 33154 33 49 experiments experiment NNS 33154 33 50 . . . 33154 34 1 In in IN 33154 34 2 1791 1791 CD 33154 34 3 Galvani Galvani NNP 33154 34 4 , , , 33154 34 5 a a DT 33154 34 6 professor professor NN 33154 34 7 of of IN 33154 34 8 anatomy anatomy NN 33154 34 9 at at IN 33154 34 10 Bologna Bologna NNP 33154 34 11 , , , 33154 34 12 announced announce VBD 33154 34 13 a a DT 33154 34 14 manifestation manifestation NN 33154 34 15 of of IN 33154 34 16 electricity electricity NN 33154 34 17 that that WDT 33154 34 18 was be VBD 33154 34 19 new new JJ 33154 34 20 and and CC 33154 34 21 of of IN 33154 34 22 a a DT 33154 34 23 remarkable remarkable JJ 33154 34 24 character character NN 33154 34 25 , , , 33154 34 26 having have VBG 33154 34 27 its -PRON- PRP$ 33154 34 28 origin origin NN 33154 34 29 in in IN 33154 34 30 the the DT 33154 34 31 muscles muscle NNS 33154 34 32 of of IN 33154 34 33 animals animal NNS 33154 34 34 , , , 33154 34 35 and and CC 33154 34 36 so so RB 33154 34 37 was be VBD 33154 34 38 called call VBN 33154 34 39 animal animal NN 33154 34 40 electricity electricity NN 33154 34 41 . . . 33154 35 1 He -PRON- PRP 33154 35 2 had have VBD 33154 35 3 some some DT 33154 35 4 frogs frog NNS 33154 35 5 ' ' POS 33154 35 6 legs leg NNS 33154 35 7 prepared prepare VBN 33154 35 8 for for IN 33154 35 9 eating eat VBG 33154 35 10 ; ; : 33154 35 11 by by IN 33154 35 12 chance chance NN 33154 35 13 they -PRON- PRP 33154 35 14 were be VBD 33154 35 15 placed place VBN 33154 35 16 near near IN 33154 35 17 an an DT 33154 35 18 electrical electrical JJ 33154 35 19 machine machine NN 33154 35 20 with with IN 33154 35 21 which which WDT 33154 35 22 Galvani Galvani NNP 33154 35 23 was be VBD 33154 35 24 experimenting experiment VBG 33154 35 25 , , , 33154 35 26 so so IN 33154 35 27 that that IN 33154 35 28 a a DT 33154 35 29 spark spark NN 33154 35 30 would would MD 33154 35 31 occasionally occasionally RB 33154 35 32 pass pass VB 33154 35 33 to to IN 33154 35 34 the the DT 33154 35 35 legs leg NNS 33154 35 36 , , , 33154 35 37 when when WRB 33154 35 38 they -PRON- PRP 33154 35 39 would would MD 33154 35 40 contract contract VB 33154 35 41 as as RB 33154 35 42 often often RB 33154 35 43 as as IN 33154 35 44 a a DT 33154 35 45 spark spark NN 33154 35 46 passed pass VBD 33154 35 47 to to IN 33154 35 48 them -PRON- PRP 33154 35 49 . . . 33154 36 1 The the DT 33154 36 2 motion motion NN 33154 36 3 was be VBD 33154 36 4 first first RB 33154 36 5 observed observe VBN 33154 36 6 by by IN 33154 36 7 his -PRON- PRP$ 33154 36 8 wife wife NN 33154 36 9 , , , 33154 36 10 who who WP 33154 36 11 called call VBD 33154 36 12 his -PRON- PRP$ 33154 36 13 attention attention NN 33154 36 14 to to IN 33154 36 15 the the DT 33154 36 16 phenomenon phenomenon NN 33154 36 17 ; ; : 33154 36 18 and and CC 33154 36 19 he -PRON- PRP 33154 36 20 very very RB 33154 36 21 soon soon RB 33154 36 22 discovered discover VBD 33154 36 23 that that IN 33154 36 24 the the DT 33154 36 25 thighs thigh NNS 33154 36 26 of of IN 33154 36 27 a a DT 33154 36 28 frog frog NN 33154 36 29 , , , 33154 36 30 skinned skin VBD 33154 36 31 and and CC 33154 36 32 suspended suspend VBN 33154 36 33 , , , 33154 36 34 made make VBN 33154 36 35 a a DT 33154 36 36 very very RB 33154 36 37 good good JJ 33154 36 38 electroscope electroscope NN 33154 36 39 . . . 33154 37 1 While while IN 33154 37 2 experimenting experiment VBG 33154 37 3 in in IN 33154 37 4 this this DT 33154 37 5 way way NN 33154 37 6 he -PRON- PRP 33154 37 7 made make VBD 33154 37 8 another another DT 33154 37 9 and and CC 33154 37 10 more more RBR 33154 37 11 important important JJ 33154 37 12 discovery discovery NN 33154 37 13 ; ; : 33154 37 14 namely namely RB 33154 37 15 , , , 33154 37 16 that that IN 33154 37 17 , , , 33154 37 18 when when WRB 33154 37 19 the the DT 33154 37 20 muscles muscle NNS 33154 37 21 and and CC 33154 37 22 nerves nerve NNS 33154 37 23 of of IN 33154 37 24 the the DT 33154 37 25 frog frog NN 33154 37 26 's 's POS 33154 37 27 leg leg NN 33154 37 28 were be VBD 33154 37 29 touched touch VBN 33154 37 30 by by IN 33154 37 31 pieces piece NNS 33154 37 32 of of IN 33154 37 33 two two CD 33154 37 34 different different JJ 33154 37 35 metals metal NNS 33154 37 36 , , , 33154 37 37 the the DT 33154 37 38 leg leg NN 33154 37 39 would would MD 33154 37 40 contract contract VB 33154 37 41 as as IN 33154 37 42 before before RB 33154 37 43 . . . 33154 38 1 Alexander Alexander NNP 33154 38 2 Volta Volta NNP 33154 38 3 , , , 33154 38 4 another another DT 33154 38 5 Italian italian JJ 33154 38 6 professor professor NN 33154 38 7 , , , 33154 38 8 who who WP 33154 38 9 had have VBD 33154 38 10 invented invent VBN 33154 38 11 the the DT 33154 38 12 electrophorus electrophorus NN 33154 38 13 , , , 33154 38 14 and and CC 33154 38 15 was be VBD 33154 38 16 possessed possess VBN 33154 38 17 of of IN 33154 38 18 great great JJ 33154 38 19 experimental experimental JJ 33154 38 20 skill skill NN 33154 38 21 , , , 33154 38 22 now now RB 33154 38 23 turned turn VBD 33154 38 24 his -PRON- PRP$ 33154 38 25 attention attention NN 33154 38 26 to to IN 33154 38 27 the the DT 33154 38 28 experiment experiment NN 33154 38 29 of of IN 33154 38 30 Galvani Galvani NNP 33154 38 31 , , , 33154 38 32 and and CC 33154 38 33 very very RB 33154 38 34 soon soon RB 33154 38 35 discovered discover VBD 33154 38 36 that that IN 33154 38 37 the the DT 33154 38 38 origin origin NN 33154 38 39 of of IN 33154 38 40 the the DT 33154 38 41 electricity electricity NN 33154 38 42 that that WDT 33154 38 43 moved move VBD 33154 38 44 the the DT 33154 38 45 frogs frog NNS 33154 38 46 ' ' POS 33154 38 47 legs leg NNS 33154 38 48 was be VBD 33154 38 49 not not RB 33154 38 50 in in IN 33154 38 51 the the DT 33154 38 52 legs leg NNS 33154 38 53 themselves -PRON- PRP 33154 38 54 , , , 33154 38 55 but but CC 33154 38 56 in in IN 33154 38 57 the the DT 33154 38 58 metals metal NNS 33154 38 59 used use VBN 33154 38 60 . . . 33154 39 1 The the DT 33154 39 2 first first JJ 33154 39 3 form form NN 33154 39 4 of of IN 33154 39 5 the the DT 33154 39 6 galvanic galvanic JJ 33154 39 7 battery battery NN 33154 39 8 was be VBD 33154 39 9 the the DT 33154 39 10 result result NN 33154 39 11 of of IN 33154 39 12 Volta Volta NNP 33154 39 13 's 's POS 33154 39 14 investigations investigation NNS 33154 39 15 , , , 33154 39 16 and and CC 33154 39 17 was be VBD 33154 39 18 called call VBN 33154 39 19 the the DT 33154 39 20 Voltaic Voltaic NNP 33154 39 21 pile pile NN 33154 39 22 . . . 33154 40 1 This this DT 33154 40 2 pile pile NN 33154 40 3 consisted consist VBD 33154 40 4 of of IN 33154 40 5 alternate alternate JJ 33154 40 6 disks disk NNS 33154 40 7 of of IN 33154 40 8 zinc zinc NN 33154 40 9 , , , 33154 40 10 flannel flannel NN 33154 40 11 , , , 33154 40 12 and and CC 33154 40 13 copper copper NN 33154 40 14 , , , 33154 40 15 piled pile VBD 33154 40 16 one one CD 33154 40 17 on on IN 33154 40 18 top top NN 33154 40 19 of of IN 33154 40 20 the the DT 33154 40 21 other other JJ 33154 40 22 in in IN 33154 40 23 constant constant JJ 33154 40 24 succession succession NN 33154 40 25 in in IN 33154 40 26 that that DT 33154 40 27 order order NN 33154 40 28 . . . 33154 41 1 The the DT 33154 41 2 flannel flannel NN 33154 41 3 was be VBD 33154 41 4 moistened moisten VBN 33154 41 5 with with IN 33154 41 6 salt salt NN 33154 41 7 and and CC 33154 41 8 water water NN 33154 41 9 , , , 33154 41 10 or or CC 33154 41 11 with with IN 33154 41 12 diluted dilute VBN 33154 41 13 sulphuric sulphuric JJ 33154 41 14 acid acid NN 33154 41 15 . . . 33154 42 1 When when WRB 33154 42 2 the the DT 33154 42 3 first first JJ 33154 42 4 zinc zinc NN 33154 42 5 was be VBD 33154 42 6 connected connect VBN 33154 42 7 with with IN 33154 42 8 the the DT 33154 42 9 last last JJ 33154 42 10 copper copper NN 33154 42 11 by by IN 33154 42 12 means mean NNS 33154 42 13 of of IN 33154 42 14 a a DT 33154 42 15 wire wire NN 33154 42 16 , , , 33154 42 17 a a DT 33154 42 18 powerful powerful JJ 33154 42 19 current current NN 33154 42 20 of of IN 33154 42 21 electricity electricity NN 33154 42 22 was be VBD 33154 42 23 obtained obtain VBN 33154 42 24 . . . 33154 43 1 This this DT 33154 43 2 form form NN 33154 43 3 of of IN 33154 43 4 battery battery NN 33154 43 5 is be VBZ 33154 43 6 not not RB 33154 43 7 in in IN 33154 43 8 use use NN 33154 43 9 at at RB 33154 43 10 all all RB 33154 43 11 now now RB 33154 43 12 , , , 33154 43 13 as as RB 33154 43 14 much much RB 33154 43 15 more more RBR 33154 43 16 efficient efficient JJ 33154 43 17 means mean NNS 33154 43 18 are be VBP 33154 43 19 known know VBN 33154 43 20 for for IN 33154 43 21 producing produce VBG 33154 43 22 electricity electricity NN 33154 43 23 ; ; : 33154 43 24 but but CC 33154 43 25 this this DT 33154 43 26 in in IN 33154 43 27 1800 1800 CD 33154 43 28 , , , 33154 43 29 when when WRB 33154 43 30 it -PRON- PRP 33154 43 31 was be VBD 33154 43 32 first first RB 33154 43 33 made make VBN 33154 43 34 known known JJ 33154 43 35 in in IN 33154 43 36 England England NNP 33154 43 37 , , , 33154 43 38 was be VBD 33154 43 39 very very RB 33154 43 40 startling startling JJ 33154 43 41 , , , 33154 43 42 and and CC 33154 43 43 was be VBD 33154 43 44 one one CD 33154 43 45 of of IN 33154 43 46 those those DT 33154 43 47 surprises surprise NNS 33154 43 48 which which WDT 33154 43 49 have have VBP 33154 43 50 been be VBN 33154 43 51 so so RB 33154 43 52 frequent frequent JJ 33154 43 53 since since IN 33154 43 54 then then RB 33154 43 55 in in IN 33154 43 56 the the DT 33154 43 57 history history NN 33154 43 58 of of IN 33154 43 59 electricity electricity NN 33154 43 60 . . . 33154 44 1 Surprising surprising JJ 33154 44 2 things thing NNS 33154 44 3 were be VBD 33154 44 4 done do VBN 33154 44 5 by by IN 33154 44 6 Sir Sir NNP 33154 44 7 Humphry Humphry NNP 33154 44 8 Davy Davy NNP 33154 44 9 , , , 33154 44 10 with with IN 33154 44 11 a a DT 33154 44 12 large large JJ 33154 44 13 Voltaic Voltaic NNP 33154 44 14 battery battery NN 33154 44 15 . . . 33154 45 1 Water water NN 33154 45 2 was be VBD 33154 45 3 decomposed decompose VBN 33154 45 4 , , , 33154 45 5 and and CC 33154 45 6 the the DT 33154 45 7 metals metal NNS 33154 45 8 potassium potassium NN 33154 45 9 and and CC 33154 45 10 sodium sodium NN 33154 45 11 were be VBD 33154 45 12 first first RB 33154 45 13 separated separate VBN 33154 45 14 from from IN 33154 45 15 their -PRON- PRP$ 33154 45 16 compounds compound NNS 33154 45 17 with with IN 33154 45 18 oxygen oxygen NN 33154 45 19 . . . 33154 46 1 Bonaparte Bonaparte NNP 33154 46 2 had have VBD 33154 46 3 offered offer VBN 33154 46 4 a a DT 33154 46 5 prize prize NN 33154 46 6 of of IN 33154 46 7 sixty sixty CD 33154 46 8 thousand thousand CD 33154 46 9 francs franc NNS 33154 46 10 " " '' 33154 46 11 to to IN 33154 46 12 the the DT 33154 46 13 person person NN 33154 46 14 who who WP 33154 46 15 by by IN 33154 46 16 his -PRON- PRP$ 33154 46 17 experiments experiment NNS 33154 46 18 and and CC 33154 46 19 discoveries discovery NNS 33154 46 20 should should MD 33154 46 21 advance advance VB 33154 46 22 the the DT 33154 46 23 knowledge knowledge NN 33154 46 24 of of IN 33154 46 25 electricity electricity NN 33154 46 26 and and CC 33154 46 27 galvanism galvanism NN 33154 46 28 as as RB 33154 46 29 much much RB 33154 46 30 as as IN 33154 46 31 Franklin Franklin NNP 33154 46 32 and and CC 33154 46 33 Volta Volta NNP 33154 46 34 did do VBD 33154 46 35 , , , 33154 46 36 " " '' 33154 46 37 and and CC 33154 46 38 of of IN 33154 46 39 " " `` 33154 46 40 three three CD 33154 46 41 thousand thousand CD 33154 46 42 francs franc NNS 33154 46 43 for for IN 33154 46 44 the the DT 33154 46 45 best good JJS 33154 46 46 experiments experiment NNS 33154 46 47 which which WDT 33154 46 48 should should MD 33154 46 49 be be VB 33154 46 50 made make VBN 33154 46 51 in in IN 33154 46 52 each each DT 33154 46 53 year year NN 33154 46 54 on on IN 33154 46 55 the the DT 33154 46 56 galvanic galvanic JJ 33154 46 57 fluid fluid NN 33154 46 58 . . . 33154 46 59 " " '' 33154 47 1 This this DT 33154 47 2 latter latter JJ 33154 47 3 prize prize NN 33154 47 4 was be VBD 33154 47 5 awarded award VBN 33154 47 6 to to IN 33154 47 7 Davy Davy NNP 33154 47 8 . . . 33154 48 1 After after IN 33154 48 2 Davy Davy NNP 33154 48 3 's 's POS 33154 48 4 successes success NNS 33154 48 5 in in IN 33154 48 6 1806 1806 CD 33154 48 7 , , , 33154 48 8 there there EX 33154 48 9 was be VBD 33154 48 10 nothing nothing NN 33154 48 11 of of IN 33154 48 12 importance importance NN 33154 48 13 in in IN 33154 48 14 an an DT 33154 48 15 experimental experimental JJ 33154 48 16 way way NN 33154 48 17 added add VBN 33154 48 18 to to IN 33154 48 19 the the DT 33154 48 20 knowledge knowledge NN 33154 48 21 of of IN 33154 48 22 electricity electricity NN 33154 48 23 , , , 33154 48 24 until until IN 33154 48 25 1820 1820 CD 33154 48 26 , , , 33154 48 27 when when WRB 33154 48 28 Oersted Oersted NNP 33154 48 29 of of IN 33154 48 30 Copenhagen Copenhagen NNP 33154 48 31 announced announce VBD 33154 48 32 that that IN 33154 48 33 " " `` 33154 48 34 the the DT 33154 48 35 conducting conduct VBG 33154 48 36 wire wire NN 33154 48 37 of of IN 33154 48 38 a a DT 33154 48 39 Voltaic Voltaic NNP 33154 48 40 circuit circuit NN 33154 48 41 acts act VBZ 33154 48 42 upon upon IN 33154 48 43 a a DT 33154 48 44 magnetic magnetic JJ 33154 48 45 needle needle NN 33154 48 46 , , , 33154 48 47 " " '' 33154 48 48 and and CC 33154 48 49 that that IN 33154 48 50 the the DT 33154 48 51 needle needle NN 33154 48 52 tends tend VBZ 33154 48 53 to to TO 33154 48 54 set set VB 33154 48 55 itself -PRON- PRP 33154 48 56 at at IN 33154 48 57 right right JJ 33154 48 58 angles angle NNS 33154 48 59 to to IN 33154 48 60 the the DT 33154 48 61 wire wire NN 33154 48 62 . . . 33154 49 1 This this DT 33154 49 2 was be VBD 33154 49 3 a a DT 33154 49 4 kind kind NN 33154 49 5 of of IN 33154 49 6 action action NN 33154 49 7 altogether altogether RB 33154 49 8 unexpected unexpected JJ 33154 49 9 . . . 33154 50 1 This this DT 33154 50 2 observation observation NN 33154 50 3 was be VBD 33154 50 4 of of IN 33154 50 5 the the DT 33154 50 6 utmost utmost JJ 33154 50 7 importance importance NN 33154 50 8 ; ; : 33154 50 9 and and CC 33154 50 10 at at IN 33154 50 11 once once IN 33154 50 12 the the DT 33154 50 13 philosophers philosopher NNS 33154 50 14 in in IN 33154 50 15 Europe Europe NNP 33154 50 16 and and CC 33154 50 17 America America NNP 33154 50 18 set set VBD 33154 50 19 themselves -PRON- PRP 33154 50 20 to to TO 33154 50 21 inquire inquire VB 33154 50 22 into into IN 33154 50 23 the the DT 33154 50 24 new new JJ 33154 50 25 phenomenon phenomenon NN 33154 50 26 . . . 33154 51 1 The the DT 33154 51 2 laws law NNS 33154 51 3 of of IN 33154 51 4 the the DT 33154 51 5 motion motion NN 33154 51 6 of of IN 33154 51 7 the the DT 33154 51 8 magnetic magnetic JJ 33154 51 9 needle needle NN 33154 51 10 when when WRB 33154 51 11 acted act VBN 33154 51 12 upon upon IN 33154 51 13 by by IN 33154 51 14 a a DT 33154 51 15 current current NN 33154 51 16 of of IN 33154 51 17 electricity electricity NN 33154 51 18 traversing traverse VBG 33154 51 19 a a DT 33154 51 20 wire wire NN 33154 51 21 were be VBD 33154 51 22 successfully successfully RB 33154 51 23 investigated investigate VBN 33154 51 24 by by IN 33154 51 25 M. M. NNP 33154 51 26 Ampère Ampère NNP 33154 51 27 of of IN 33154 51 28 the the DT 33154 51 29 French French NNP 33154 51 30 Academy Academy NNP 33154 51 31 . . . 33154 52 1 He -PRON- PRP 33154 52 2 observed observe VBD 33154 52 3 that that IN 33154 52 4 whenever whenever WRB 33154 52 5 a a DT 33154 52 6 wire wire NN 33154 52 7 through through IN 33154 52 8 which which WDT 33154 52 9 a a DT 33154 52 10 current current NN 33154 52 11 of of IN 33154 52 12 electricity electricity NN 33154 52 13 was be VBD 33154 52 14 passing pass VBG 33154 52 15 was be VBD 33154 52 16 held hold VBN 33154 52 17 over over IN 33154 52 18 and and CC 33154 52 19 parallel parallel VB 33154 52 20 with with IN 33154 52 21 a a DT 33154 52 22 magnetic magnetic JJ 33154 52 23 needle needle NN 33154 52 24 which which WDT 33154 52 25 was be VBD 33154 52 26 free free JJ 33154 52 27 to to TO 33154 52 28 move move VB 33154 52 29 , , , 33154 52 30 and and CC 33154 52 31 therefore therefore RB 33154 52 32 pointed point VBD 33154 52 33 to to IN 33154 52 34 the the DT 33154 52 35 north north NN 33154 52 36 , , , 33154 52 37 if if IN 33154 52 38 the the DT 33154 52 39 current current NN 33154 52 40 was be VBD 33154 52 41 moving move VBG 33154 52 42 _ _ NNP 33154 52 43 towards towards IN 33154 52 44 _ _ NNP 33154 52 45 the the DT 33154 52 46 north north NN 33154 52 47 , , , 33154 52 48 the the DT 33154 52 49 north north NNP 33154 52 50 pole pole NNP 33154 52 51 was be VBD 33154 52 52 deflected deflect VBN 33154 52 53 to to IN 33154 52 54 the the DT 33154 52 55 west west NNP 33154 52 56 ; ; : 33154 52 57 if if IN 33154 52 58 the the DT 33154 52 59 current current NN 33154 52 60 was be VBD 33154 52 61 moving move VBG 33154 52 62 towards towards IN 33154 52 63 the the DT 33154 52 64 south south NN 33154 52 65 , , , 33154 52 66 the the DT 33154 52 67 south south NNP 33154 52 68 pole pole NNP 33154 52 69 of of IN 33154 52 70 the the DT 33154 52 71 magnet magnet NN 33154 52 72 was be VBD 33154 52 73 deflected deflect VBN 33154 52 74 towards towards IN 33154 52 75 the the DT 33154 52 76 west west NN 33154 52 77 ; ; : 33154 52 78 and and CC 33154 52 79 that that IN 33154 52 80 in in IN 33154 52 81 all all DT 33154 52 82 cases case NNS 33154 52 83 the the DT 33154 52 84 magnet magnet NN 33154 52 85 tended tend VBD 33154 52 86 to to TO 33154 52 87 set set VB 33154 52 88 itself -PRON- PRP 33154 52 89 at at IN 33154 52 90 right right JJ 33154 52 91 angles angle NNS 33154 52 92 to to IN 33154 52 93 the the DT 33154 52 94 current current NN 33154 52 95 ; ; : 33154 52 96 also also RB 33154 52 97 that that IN 33154 52 98 this this DT 33154 52 99 angular angular JJ 33154 52 100 displacement displacement NN 33154 52 101 depended depend VBD 33154 52 102 upon upon IN 33154 52 103 the the DT 33154 52 104 strength strength NN 33154 52 105 of of IN 33154 52 106 the the DT 33154 52 107 current current NN 33154 52 108 . . . 33154 53 1 Thus thus RB 33154 53 2 originated originate VBD 33154 53 3 the the DT 33154 53 4 _ _ NNP 33154 53 5 galvanometer galvanometer NN 33154 53 6 _ _ NNP 33154 53 7 , , , 33154 53 8 an an DT 33154 53 9 instrument instrument NN 33154 53 10 that that WDT 33154 53 11 not not RB 33154 53 12 only only RB 33154 53 13 detects detect VBZ 33154 53 14 the the DT 33154 53 15 existence existence NN 33154 53 16 of of IN 33154 53 17 an an DT 33154 53 18 electric electric JJ 33154 53 19 current current NN 33154 53 20 , , , 33154 53 21 but but CC 33154 53 22 enables enable VBZ 33154 53 23 us -PRON- PRP 33154 53 24 to to TO 33154 53 25 determine determine VB 33154 53 26 its -PRON- PRP$ 33154 53 27 direction direction NN 33154 53 28 and and CC 33154 53 29 its -PRON- PRP$ 33154 53 30 strength strength NN 33154 53 31 . . . 33154 54 1 Our -PRON- PRP$ 33154 54 2 present present JJ 33154 54 3 knowledge knowledge NN 33154 54 4 of of IN 33154 54 5 electrical electrical JJ 33154 54 6 laws law NNS 33154 54 7 is be VBZ 33154 54 8 due due JJ 33154 54 9 , , , 33154 54 10 in in IN 33154 54 11 a a DT 33154 54 12 very very RB 33154 54 13 large large JJ 33154 54 14 measure measure NN 33154 54 15 , , , 33154 54 16 to to IN 33154 54 17 observations observation NNS 33154 54 18 made make VBN 33154 54 19 with with IN 33154 54 20 this this DT 33154 54 21 instrument instrument NN 33154 54 22 . . . 33154 55 1 Of of RB 33154 55 2 course course RB 33154 55 3 it -PRON- PRP 33154 55 4 has have VBZ 33154 55 5 been be VBN 33154 55 6 very very RB 33154 55 7 much much RB 33154 55 8 modified modify VBN 33154 55 9 , , , 33154 55 10 and and CC 33154 55 11 made make VBD 33154 55 12 almost almost RB 33154 55 13 incredibly incredibly RB 33154 55 14 sensitive sensitive JJ 33154 55 15 : : : 33154 55 16 yet yet CC 33154 55 17 , , , 33154 55 18 in in IN 33154 55 19 all all DT 33154 55 20 galvanometers galvanometer NNS 33154 55 21 , , , 33154 55 22 the the DT 33154 55 23 fundamental fundamental JJ 33154 55 24 principle principle NN 33154 55 25 involved involve VBN 33154 55 26 in in IN 33154 55 27 their -PRON- PRP$ 33154 55 28 structure structure NN 33154 55 29 is be VBZ 33154 55 30 that that DT 33154 55 31 of of IN 33154 55 32 the the DT 33154 55 33 action action NN 33154 55 34 of of IN 33154 55 35 a a DT 33154 55 36 current current NN 33154 55 37 of of IN 33154 55 38 electricity electricity NN 33154 55 39 upon upon IN 33154 55 40 a a DT 33154 55 41 magnet magnet NN 33154 55 42 , , , 33154 55 43 which which WDT 33154 55 44 was be VBD 33154 55 45 first first RB 33154 55 46 noticed notice VBN 33154 55 47 by by IN 33154 55 48 Oersted Oersted NNP 33154 55 49 . . . 33154 56 1 MAGNETS MAGNETS NNP 33154 56 2 . . . 33154 57 1 It -PRON- PRP 33154 57 2 is be VBZ 33154 57 3 related relate VBN 33154 57 4 by by IN 33154 57 5 Nicander Nicander NNP 33154 57 6 that that IN 33154 57 7 among among IN 33154 57 8 the the DT 33154 57 9 shepherds shepherd NNS 33154 57 10 who who WP 33154 57 11 tended tend VBD 33154 57 12 their -PRON- PRP$ 33154 57 13 flocks flock NNS 33154 57 14 upon upon IN 33154 57 15 the the DT 33154 57 16 sides side NNS 33154 57 17 of of IN 33154 57 18 Mount Mount NNP 33154 57 19 Ida Ida NNP 33154 57 20 was be VBD 33154 57 21 one one CD 33154 57 22 named name VBN 33154 57 23 Magnes Magnes NNP 33154 57 24 , , , 33154 57 25 who who WP 33154 57 26 noticed notice VBD 33154 57 27 , , , 33154 57 28 that that IN 33154 57 29 , , , 33154 57 30 while while IN 33154 57 31 taking take VBG 33154 57 32 his -PRON- PRP$ 33154 57 33 herds herd NNS 33154 57 34 to to TO 33154 57 35 pasture pasture VB 33154 57 36 , , , 33154 57 37 his -PRON- PRP$ 33154 57 38 shepherd shepherd NN 33154 57 39 's 's POS 33154 57 40 crook crook NN 33154 57 41 adhered adhere VBN 33154 57 42 to to IN 33154 57 43 some some DT 33154 57 44 of of IN 33154 57 45 the the DT 33154 57 46 rocks rock NNS 33154 57 47 . . . 33154 58 1 From from IN 33154 58 2 this this DT 33154 58 3 man man NN 33154 58 4 's 's POS 33154 58 5 name name NN 33154 58 6 some some DT 33154 58 7 have have VBP 33154 58 8 supposed suppose VBN 33154 58 9 the the DT 33154 58 10 name name NN 33154 58 11 _ _ NNP 33154 58 12 magnet magnet NN 33154 58 13 _ _ NNP 33154 58 14 to to TO 33154 58 15 have have VB 33154 58 16 been be VBN 33154 58 17 derived derive VBN 33154 58 18 . . . 33154 59 1 It -PRON- PRP 33154 59 2 is be VBZ 33154 59 3 , , , 33154 59 4 however however RB 33154 59 5 , , , 33154 59 6 generally generally RB 33154 59 7 believed believe VBN 33154 59 8 to to TO 33154 59 9 have have VB 33154 59 10 received receive VBN 33154 59 11 its -PRON- PRP$ 33154 59 12 name name NN 33154 59 13 from from IN 33154 59 14 the the DT 33154 59 15 ancient ancient JJ 33154 59 16 city city NN 33154 59 17 of of IN 33154 59 18 Magnesia Magnesia NNP 33154 59 19 in in IN 33154 59 20 Asia Asia NNP 33154 59 21 Minor Minor NNP 33154 59 22 , , , 33154 59 23 near near IN 33154 59 24 which which WDT 33154 59 25 the the DT 33154 59 26 loadstone loadstone NN 33154 59 27 or or CC 33154 59 28 magnetic magnetic JJ 33154 59 29 substance substance NN 33154 59 30 was be VBD 33154 59 31 found find VBN 33154 59 32 . . . 33154 60 1 This this DT 33154 60 2 rock rock NN 33154 60 3 , , , 33154 60 4 which which WDT 33154 60 5 possesses possess VBZ 33154 60 6 the the DT 33154 60 7 remarkable remarkable JJ 33154 60 8 property property NN 33154 60 9 of of IN 33154 60 10 attracting attract VBG 33154 60 11 and and CC 33154 60 12 holding hold VBG 33154 60 13 to to IN 33154 60 14 itself -PRON- PRP 33154 60 15 small small JJ 33154 60 16 pieces piece NNS 33154 60 17 of of IN 33154 60 18 iron iron NN 33154 60 19 or or CC 33154 60 20 steel steel NN 33154 60 21 , , , 33154 60 22 is be VBZ 33154 60 23 now now RB 33154 60 24 known know VBN 33154 60 25 to to TO 33154 60 26 be be VB 33154 60 27 one one CD 33154 60 28 of of IN 33154 60 29 the the DT 33154 60 30 ores ore NNS 33154 60 31 of of IN 33154 60 32 iron iron NN 33154 60 33 , , , 33154 60 34 and and CC 33154 60 35 is be VBZ 33154 60 36 called call VBN 33154 60 37 magnetite magnetite RB 33154 60 38 by by IN 33154 60 39 mineralogists mineralogist NNS 33154 60 40 . . . 33154 61 1 The the DT 33154 61 2 iron iron NN 33154 61 3 is be VBZ 33154 61 4 chemically chemically RB 33154 61 5 combined combine VBN 33154 61 6 with with IN 33154 61 7 oxygen oxygen NN 33154 61 8 , , , 33154 61 9 and and CC 33154 61 10 forms form VBZ 33154 61 11 72.5 72.5 CD 33154 61 12 per per IN 33154 61 13 cent cent NN 33154 61 14 of of IN 33154 61 15 its -PRON- PRP$ 33154 61 16 weight weight NN 33154 61 17 . . . 33154 62 1 There there EX 33154 62 2 is be VBZ 33154 62 3 another another DT 33154 62 4 ore ore NN 33154 62 5 of of IN 33154 62 6 iron iron NN 33154 62 7 , , , 33154 62 8 known know VBN 33154 62 9 as as IN 33154 62 10 hematite hematite NN 33154 62 11 , , , 33154 62 12 which which WDT 33154 62 13 contains contain VBZ 33154 62 14 seventy seventy CD 33154 62 15 per per IN 33154 62 16 cent cent NN 33154 62 17 of of IN 33154 62 18 iron iron NN 33154 62 19 ; ; : 33154 62 20 but but CC 33154 62 21 the the DT 33154 62 22 difference difference NN 33154 62 23 of of IN 33154 62 24 two two CD 33154 62 25 and and CC 33154 62 26 a a DT 33154 62 27 half half NN 33154 62 28 per per IN 33154 62 29 cent cent NN 33154 62 30 of of IN 33154 62 31 iron iron NN 33154 62 32 in in IN 33154 62 33 the the DT 33154 62 34 ore ore NN 33154 62 35 is be VBZ 33154 62 36 enough enough JJ 33154 62 37 to to TO 33154 62 38 make make VB 33154 62 39 the the DT 33154 62 40 difference difference NN 33154 62 41 between between IN 33154 62 42 a a DT 33154 62 43 magnetically magnetically RB 33154 62 44 inert inert JJ 33154 62 45 substance substance NN 33154 62 46 , , , 33154 62 47 and and CC 33154 62 48 one one CD 33154 62 49 which which WDT 33154 62 50 may may MD 33154 62 51 be be VB 33154 62 52 able able JJ 33154 62 53 to to TO 33154 62 54 lift lift VB 33154 62 55 a a DT 33154 62 56 mass mass NN 33154 62 57 of of IN 33154 62 58 iron iron NN 33154 62 59 equal equal JJ 33154 62 60 to to IN 33154 62 61 many many JJ 33154 62 62 times time NNS 33154 62 63 its -PRON- PRP$ 33154 62 64 own own JJ 33154 62 65 weight weight NN 33154 62 66 . . . 33154 63 1 Sir Sir NNP 33154 63 2 Isaac Isaac NNP 33154 63 3 Newton Newton NNP 33154 63 4 is be VBZ 33154 63 5 said say VBN 33154 63 6 to to TO 33154 63 7 have have VB 33154 63 8 worn wear VBN 33154 63 9 in in IN 33154 63 10 a a DT 33154 63 11 finger finger NN 33154 63 12 - - : 33154 63 13 ring re VBG 33154 63 14 a a DT 33154 63 15 small small JJ 33154 63 16 loadstone loadstone NN 33154 63 17 weighing weigh VBG 33154 63 18 three three CD 33154 63 19 grains grain NNS 33154 63 20 , , , 33154 63 21 which which WDT 33154 63 22 would would MD 33154 63 23 lift lift VB 33154 63 24 seven seven CD 33154 63 25 hundred hundred CD 33154 63 26 and and CC 33154 63 27 fifty fifty CD 33154 63 28 grains grain NNS 33154 63 29 , , , 33154 63 30 which which WDT 33154 63 31 is be VBZ 33154 63 32 equal equal JJ 33154 63 33 to to IN 33154 63 34 two two CD 33154 63 35 hundred hundred CD 33154 63 36 and and CC 33154 63 37 fifty fifty CD 33154 63 38 times time NNS 33154 63 39 its -PRON- PRP$ 33154 63 40 own own JJ 33154 63 41 weight weight NN 33154 63 42 . . . 33154 64 1 The the DT 33154 64 2 most most RBS 33154 64 3 powerful powerful JJ 33154 64 4 magnet magnet NN 33154 64 5 now now RB 33154 64 6 known know VBN 33154 64 7 is be VBZ 33154 64 8 owned own VBN 33154 64 9 by by IN 33154 64 10 M. M. NNP 33154 64 11 Obelliane Obelliane NNP 33154 64 12 of of IN 33154 64 13 Paris Paris NNP 33154 64 14 . . . 33154 65 1 It -PRON- PRP 33154 65 2 can can MD 33154 65 3 lift lift VB 33154 65 4 forty forty CD 33154 65 5 times time NNS 33154 65 6 its -PRON- PRP$ 33154 65 7 own own JJ 33154 65 8 weight weight NN 33154 65 9 . . . 33154 66 1 Large large JJ 33154 66 2 pieces piece NNS 33154 66 3 , , , 33154 66 4 however however RB 33154 66 5 , , , 33154 66 6 do do VBP 33154 66 7 not not RB 33154 66 8 support support VB 33154 66 9 proportionally proportionally RB 33154 66 10 greater great JJR 33154 66 11 weights weight NNS 33154 66 12 , , , 33154 66 13 seldom seldom RB 33154 66 14 more more JJR 33154 66 15 than than IN 33154 66 16 one one CD 33154 66 17 or or CC 33154 66 18 two two CD 33154 66 19 times time NNS 33154 66 20 their -PRON- PRP$ 33154 66 21 own own JJ 33154 66 22 weight weight NN 33154 66 23 . . . 33154 67 1 There there EX 33154 67 2 are be VBP 33154 67 3 in in IN 33154 67 4 many many JJ 33154 67 5 places place NNS 33154 67 6 in in IN 33154 67 7 the the DT 33154 67 8 world world NN 33154 67 9 immense immense JJ 33154 67 10 beds bed NNS 33154 67 11 of of IN 33154 67 12 magnetic magnetic JJ 33154 67 13 iron iron NN 33154 67 14 - - HYPH 33154 67 15 ore ore NN 33154 67 16 . . . 33154 68 1 Such such JJ 33154 68 2 are be VBP 33154 68 3 to to TO 33154 68 4 be be VB 33154 68 5 found find VBN 33154 68 6 in in IN 33154 68 7 the the DT 33154 68 8 Adirondack Adirondack NNP 33154 68 9 region region NN 33154 68 10 in in IN 33154 68 11 Northern Northern NNP 33154 68 12 New New NNP 33154 68 13 York York NNP 33154 68 14 , , , 33154 68 15 and and CC 33154 68 16 in in IN 33154 68 17 Chester Chester NNP 33154 68 18 County County NNP 33154 68 19 , , , 33154 68 20 Pennsylvania Pennsylvania NNP 33154 68 21 . . . 33154 69 1 The the DT 33154 69 2 celebrated celebrated JJ 33154 69 3 iron iron NN 33154 69 4 - - HYPH 33154 69 5 mines mine NNS 33154 69 6 of of IN 33154 69 7 Sweden Sweden NNP 33154 69 8 consist consist VB 33154 69 9 of of IN 33154 69 10 it -PRON- PRP 33154 69 11 , , , 33154 69 12 and and CC 33154 69 13 in in IN 33154 69 14 Lapland Lapland NNP 33154 69 15 there there EX 33154 69 16 are be VBP 33154 69 17 several several JJ 33154 69 18 large large JJ 33154 69 19 mountains mountain NNS 33154 69 20 of of IN 33154 69 21 it -PRON- PRP 33154 69 22 . . . 33154 70 1 It -PRON- PRP 33154 70 2 must must MD 33154 70 3 not not RB 33154 70 4 be be VB 33154 70 5 inferred infer VBN 33154 70 6 , , , 33154 70 7 that that IN 33154 70 8 , , , 33154 70 9 because because IN 33154 70 10 the the DT 33154 70 11 mineral mineral NN 33154 70 12 is be VBZ 33154 70 13 called call VBN 33154 70 14 magnetite magnetite NNP 33154 70 15 , , , 33154 70 16 all all DT 33154 70 17 specimens specimen NNS 33154 70 18 possess possess VBP 33154 70 19 the the DT 33154 70 20 property property NN 33154 70 21 called call VBN 33154 70 22 magnetism magnetism NN 33154 70 23 . . . 33154 71 1 The the DT 33154 71 2 large large JJ 33154 71 3 masses masse NNS 33154 71 4 seldom seldom RB 33154 71 5 manifest manifest VBP 33154 71 6 any any DT 33154 71 7 such such JJ 33154 71 8 force force NN 33154 71 9 , , , 33154 71 10 any any DT 33154 71 11 more more RBR 33154 71 12 than than IN 33154 71 13 ordinary ordinary JJ 33154 71 14 pieces piece NNS 33154 71 15 of of IN 33154 71 16 iron iron NN 33154 71 17 or or CC 33154 71 18 steel steel NN 33154 71 19 manifest manifest VB 33154 71 20 it -PRON- PRP 33154 71 21 : : : 33154 71 22 yet yet CC 33154 71 23 any any DT 33154 71 24 of of IN 33154 71 25 it -PRON- PRP 33154 71 26 will will MD 33154 71 27 be be VB 33154 71 28 attracted attract VBN 33154 71 29 by by IN 33154 71 30 a a DT 33154 71 31 magnet magnet NN 33154 71 32 in in IN 33154 71 33 the the DT 33154 71 34 same same JJ 33154 71 35 way way NN 33154 71 36 as as IN 33154 71 37 iron iron NN 33154 71 38 will will MD 33154 71 39 be be VB 33154 71 40 . . . 33154 72 1 The the DT 33154 72 2 most most RBS 33154 72 3 powerful powerful JJ 33154 72 4 native native JJ 33154 72 5 magnets magnet NNS 33154 72 6 are be VBP 33154 72 7 found find VBN 33154 72 8 in in IN 33154 72 9 Siberia Siberia NNP 33154 72 10 , , , 33154 72 11 and and CC 33154 72 12 in in IN 33154 72 13 the the DT 33154 72 14 Hartz Hartz NNP 33154 72 15 , , , 33154 72 16 a a DT 33154 72 17 range range NN 33154 72 18 of of IN 33154 72 19 mountains mountain NNS 33154 72 20 in in IN 33154 72 21 Northern Northern NNP 33154 72 22 Germany Germany NNP 33154 72 23 . . . 33154 73 1 When when WRB 33154 73 2 a a DT 33154 73 3 piece piece NN 33154 73 4 of of IN 33154 73 5 this this DT 33154 73 6 magnetically magnetically RB 33154 73 7 endowed endow VBD 33154 73 8 ore ore NN 33154 73 9 is be VBZ 33154 73 10 placed place VBN 33154 73 11 in in IN 33154 73 12 a a DT 33154 73 13 mass mass NN 33154 73 14 of of IN 33154 73 15 iron iron NN 33154 73 16 - - HYPH 33154 73 17 filings filing NNS 33154 73 18 , , , 33154 73 19 it -PRON- PRP 33154 73 20 will will MD 33154 73 21 be be VB 33154 73 22 seen see VBN 33154 73 23 that that IN 33154 73 24 the the DT 33154 73 25 filings filing NNS 33154 73 26 adhere adhere VBP 33154 73 27 to to IN 33154 73 28 it -PRON- PRP 33154 73 29 in in IN 33154 73 30 greatest great JJS 33154 73 31 quantity quantity NN 33154 73 32 upon upon IN 33154 73 33 two two CD 33154 73 34 opposite opposite JJ 33154 73 35 ends end NNS 33154 73 36 or or CC 33154 73 37 sides side NNS 33154 73 38 , , , 33154 73 39 and and CC 33154 73 40 these these DT 33154 73 41 are be VBP 33154 73 42 named name VBN 33154 73 43 the the DT 33154 73 44 poles pole NNS 33154 73 45 of of IN 33154 73 46 the the DT 33154 73 47 magnet magnet NN 33154 73 48 . . . 33154 74 1 If if IN 33154 74 2 the the DT 33154 74 3 piece piece NN 33154 74 4 be be VB 33154 74 5 suspended suspend VBN 33154 74 6 by by IN 33154 74 7 a a DT 33154 74 8 string string NN 33154 74 9 so so IN 33154 74 10 as as IN 33154 74 11 to to TO 33154 74 12 turn turn VB 33154 74 13 freely freely RB 33154 74 14 , , , 33154 74 15 it -PRON- PRP 33154 74 16 will will MD 33154 74 17 invariably invariably RB 33154 74 18 come come VB 33154 74 19 to to TO 33154 74 20 rest rest VB 33154 74 21 with with IN 33154 74 22 the the DT 33154 74 23 same same JJ 33154 74 24 pole pole NN 33154 74 25 turned turn VBD 33154 74 26 towards towards IN 33154 74 27 the the DT 33154 74 28 north north NN 33154 74 29 ; ; : 33154 74 30 and and CC 33154 74 31 this this DT 33154 74 32 pole pole NN 33154 74 33 is be VBZ 33154 74 34 therefore therefore RB 33154 74 35 called call VBN 33154 74 36 the the DT 33154 74 37 north north NNP 33154 74 38 pole pole NN 33154 74 39 of of IN 33154 74 40 the the DT 33154 74 41 magnet magnet NN 33154 74 42 , , , 33154 74 43 and and CC 33154 74 44 the the DT 33154 74 45 action action NN 33154 74 46 is be VBZ 33154 74 47 called call VBN 33154 74 48 the the DT 33154 74 49 directive directive NN 33154 74 50 action action NN 33154 74 51 . . . 33154 75 1 This this DT 33154 75 2 directive directive JJ 33154 75 3 action action NN 33154 75 4 was be VBD 33154 75 5 known know VBN 33154 75 6 to to IN 33154 75 7 the the DT 33154 75 8 Chinese Chinese NNPS 33154 75 9 more more JJR 33154 75 10 than than IN 33154 75 11 three three CD 33154 75 12 thousand thousand CD 33154 75 13 years year NNS 33154 75 14 ago ago RB 33154 75 15 . . . 33154 76 1 In in IN 33154 76 2 traversing traverse VBG 33154 76 3 those those DT 33154 76 4 vast vast JJ 33154 76 5 steppes steppe NNS 33154 76 6 of of IN 33154 76 7 Tartary tartary JJ 33154 76 8 they -PRON- PRP 33154 76 9 employed employ VBD 33154 76 10 magnetic magnetic JJ 33154 76 11 cars car NNS 33154 76 12 , , , 33154 76 13 in in IN 33154 76 14 which which WDT 33154 76 15 was be VBD 33154 76 16 the the DT 33154 76 17 figure figure NN 33154 76 18 of of IN 33154 76 19 a a DT 33154 76 20 man man NN 33154 76 21 , , , 33154 76 22 whose whose WP$ 33154 76 23 movable movable JJ 33154 76 24 , , , 33154 76 25 outstretched outstretched JJ 33154 76 26 arm arm NN 33154 76 27 always always RB 33154 76 28 pointed point VBD 33154 76 29 to to IN 33154 76 30 the the DT 33154 76 31 south south NN 33154 76 32 . . . 33154 77 1 Dr. Dr. NNP 33154 77 2 Gilbert Gilbert NNP 33154 77 3 affirms affirm VBZ 33154 77 4 that that IN 33154 77 5 the the DT 33154 77 6 compass compass NN 33154 77 7 was be VBD 33154 77 8 brought bring VBN 33154 77 9 from from IN 33154 77 10 China China NNP 33154 77 11 to to IN 33154 77 12 Italy Italy NNP 33154 77 13 in in IN 33154 77 14 1260 1260 CD 33154 77 15 , , , 33154 77 16 by by IN 33154 77 17 a a DT 33154 77 18 traveller traveller NN 33154 77 19 named name VBN 33154 77 20 Paulus Paulus NNP 33154 77 21 Venetus Venetus NNP 33154 77 22 . . . 33154 78 1 When when WRB 33154 78 2 a a DT 33154 78 3 piece piece NN 33154 78 4 of of IN 33154 78 5 hardened harden VBN 33154 78 6 steel steel NN 33154 78 7 is be VBZ 33154 78 8 rubbed rub VBN 33154 78 9 upon upon IN 33154 78 10 a a DT 33154 78 11 natural natural JJ 33154 78 12 magnet magnet NN 33154 78 13 , , , 33154 78 14 it -PRON- PRP 33154 78 15 acquires acquire VBZ 33154 78 16 the the DT 33154 78 17 same same JJ 33154 78 18 directive directive JJ 33154 78 19 property property NN 33154 78 20 ; ; : 33154 78 21 and and CC 33154 78 22 , , , 33154 78 23 as as IN 33154 78 24 the the DT 33154 78 25 steel steel NN 33154 78 26 could could MD 33154 78 27 be be VB 33154 78 28 easily easily RB 33154 78 29 shaped shape VBN 33154 78 30 into into IN 33154 78 31 a a DT 33154 78 32 convenient convenient JJ 33154 78 33 form form NN 33154 78 34 for for IN 33154 78 35 use use NN 33154 78 36 , , , 33154 78 37 a a DT 33154 78 38 steel steel NN 33154 78 39 needle needle NN 33154 78 40 has have VBZ 33154 78 41 generally generally RB 33154 78 42 been be VBN 33154 78 43 used use VBN 33154 78 44 for for IN 33154 78 45 the the DT 33154 78 46 needle needle NN 33154 78 47 of of IN 33154 78 48 a a DT 33154 78 49 compass compass NN 33154 78 50 . . . 33154 79 1 The the DT 33154 79 2 directive directive JJ 33154 79 3 power power NN 33154 79 4 of of IN 33154 79 5 the the DT 33154 79 6 magnet magnet NN 33154 79 7 has have VBZ 33154 79 8 been be VBN 33154 79 9 and and CC 33154 79 10 still still RB 33154 79 11 is be VBZ 33154 79 12 of of IN 33154 79 13 incalculable incalculable JJ 33154 79 14 value value NN 33154 79 15 to to IN 33154 79 16 all all DT 33154 79 17 civilized civilized JJ 33154 79 18 nations nation NNS 33154 79 19 . . . 33154 80 1 Ocean ocean NN 33154 80 2 navigation navigation NN 33154 80 3 would would MD 33154 80 4 be be VB 33154 80 5 impossible impossible JJ 33154 80 6 without without IN 33154 80 7 it -PRON- PRP 33154 80 8 , , , 33154 80 9 and and CC 33154 80 10 territorial territorial JJ 33154 80 11 boundaries boundary NNS 33154 80 12 are be VBP 33154 80 13 fixed fix VBN 33154 80 14 by by IN 33154 80 15 means mean NNS 33154 80 16 of of IN 33154 80 17 it -PRON- PRP 33154 80 18 ; ; : 33154 80 19 but but CC 33154 80 20 there there EX 33154 80 21 are be VBP 33154 80 22 other other JJ 33154 80 23 properties property NNS 33154 80 24 and and CC 33154 80 25 relations relation NNS 33154 80 26 of of IN 33154 80 27 a a DT 33154 80 28 magnet magnet NN 33154 80 29 , , , 33154 80 30 which which WDT 33154 80 31 have have VBP 33154 80 32 been be VBN 33154 80 33 discovered discover VBN 33154 80 34 within within IN 33154 80 35 the the DT 33154 80 36 last last JJ 33154 80 37 fifty fifty CD 33154 80 38 years year NNS 33154 80 39 , , , 33154 80 40 which which WDT 33154 80 41 are be VBP 33154 80 42 destined destine VBN 33154 80 43 to to TO 33154 80 44 be be VB 33154 80 45 as as RB 33154 80 46 important important JJ 33154 80 47 to to IN 33154 80 48 mankind mankind NN 33154 80 49 as as IN 33154 80 50 that that DT 33154 80 51 of of IN 33154 80 52 the the DT 33154 80 53 compass compass NN 33154 80 54 has have VBZ 33154 80 55 been be VBN 33154 80 56 . . . 33154 81 1 In in IN 33154 81 2 1825 1825 CD 33154 81 3 William William NNP 33154 81 4 Sturgeon Sturgeon NNP 33154 81 5 of of IN 33154 81 6 Woolwich Woolwich NNP 33154 81 7 , , , 33154 81 8 Eng Eng NNP 33154 81 9 . . NNP 33154 81 10 , , , 33154 81 11 discovered discover VBD 33154 81 12 that that IN 33154 81 13 if if IN 33154 81 14 a a DT 33154 81 15 copper copper NN 33154 81 16 wire wire NN 33154 81 17 were be VBD 33154 81 18 wound wind VBN 33154 81 19 around around IN 33154 81 20 a a DT 33154 81 21 piece piece NN 33154 81 22 of of IN 33154 81 23 soft soft JJ 33154 81 24 iron iron NN 33154 81 25 , , , 33154 81 26 and and CC 33154 81 27 a a DT 33154 81 28 current current NN 33154 81 29 of of IN 33154 81 30 electricity electricity NN 33154 81 31 sent send VBN 33154 81 32 through through IN 33154 81 33 the the DT 33154 81 34 wire wire NN 33154 81 35 , , , 33154 81 36 the the DT 33154 81 37 soft soft JJ 33154 81 38 iron iron NN 33154 81 39 would would MD 33154 81 40 become become VB 33154 81 41 a a DT 33154 81 42 magnet magnet NN 33154 81 43 , , , 33154 81 44 but but CC 33154 81 45 would would MD 33154 81 46 retain retain VB 33154 81 47 its -PRON- PRP$ 33154 81 48 magnetism magnetism NN 33154 81 49 no no RB 33154 81 50 longer longer RB 33154 81 51 than than IN 33154 81 52 while while IN 33154 81 53 the the DT 33154 81 54 current current NN 33154 81 55 of of IN 33154 81 56 electricity electricity NN 33154 81 57 was be VBD 33154 81 58 passing pass VBG 33154 81 59 through through IN 33154 81 60 the the DT 33154 81 61 coil coil NN 33154 81 62 . . . 33154 82 1 The the DT 33154 82 2 magnetism magnetism NN 33154 82 3 developed develop VBD 33154 82 4 in in IN 33154 82 5 this this DT 33154 82 6 way way NN 33154 82 7 was be VBD 33154 82 8 called call VBN 33154 82 9 electro electro NNP 33154 82 10 - - HYPH 33154 82 11 magnetism magnetism NN 33154 82 12 , , , 33154 82 13 and and CC 33154 82 14 the the DT 33154 82 15 iron iron NN 33154 82 16 so so RB 33154 82 17 wound wound NN 33154 82 18 was be VBD 33154 82 19 called call VBN 33154 82 20 an an DT 33154 82 21 electro electro JJ 33154 82 22 - - HYPH 33154 82 23 magnet magnet NN 33154 82 24 . . . 33154 83 1 The the DT 33154 83 2 first first JJ 33154 83 3 electro electro JJ 33154 83 4 - - HYPH 33154 83 5 magnet magnet NN 33154 83 6 was be VBD 33154 83 7 made make VBN 33154 83 8 by by IN 33154 83 9 winding wind VBG 33154 83 10 bare bare JJ 33154 83 11 wire wire NN 33154 83 12 upon upon IN 33154 83 13 the the DT 33154 83 14 soft soft JJ 33154 83 15 iron iron NN 33154 83 16 . . . 33154 84 1 This this DT 33154 84 2 method method NN 33154 84 3 will will MD 33154 84 4 not not RB 33154 84 5 produce produce VB 33154 84 6 very very RB 33154 84 7 strong strong JJ 33154 84 8 magnets magnet NNS 33154 84 9 . . . 33154 85 1 In in IN 33154 85 2 1830 1830 CD 33154 85 3 Prof. Prof. NNP 33154 85 4 Henry Henry NNP 33154 85 5 insulated insulate VBD 33154 85 6 the the DT 33154 85 7 wire wire NN 33154 85 8 by by IN 33154 85 9 covering cover VBG 33154 85 10 it -PRON- PRP 33154 85 11 with with IN 33154 85 12 silk silk NN 33154 85 13 , , , 33154 85 14 and and CC 33154 85 15 was be VBD 33154 85 16 the the DT 33154 85 17 first first JJ 33154 85 18 to to TO 33154 85 19 produce produce VB 33154 85 20 powerful powerful JJ 33154 85 21 magnets magnet NNS 33154 85 22 . . . 33154 86 1 On on IN 33154 86 2 a a DT 33154 86 3 soft soft JJ 33154 86 4 iron iron NN 33154 86 5 bar bar NN 33154 86 6 of of IN 33154 86 7 fifty fifty CD 33154 86 8 - - HYPH 33154 86 9 nine nine CD 33154 86 10 pounds pound NNS 33154 86 11 weight weight NN 33154 86 12 he -PRON- PRP 33154 86 13 used use VBD 33154 86 14 twenty twenty CD 33154 86 15 - - HYPH 33154 86 16 six six CD 33154 86 17 coils coil NNS 33154 86 18 of of IN 33154 86 19 wire wire NN 33154 86 20 , , , 33154 86 21 thirteen thirteen CD 33154 86 22 on on IN 33154 86 23 each each DT 33154 86 24 leg leg NN 33154 86 25 , , , 33154 86 26 all all DT 33154 86 27 joined join VBD 33154 86 28 to to IN 33154 86 29 a a DT 33154 86 30 common common JJ 33154 86 31 conductor conductor NN 33154 86 32 by by IN 33154 86 33 their -PRON- PRP$ 33154 86 34 opposite opposite JJ 33154 86 35 ends end NNS 33154 86 36 , , , 33154 86 37 and and CC 33154 86 38 having have VBG 33154 86 39 an an DT 33154 86 40 aggregate aggregate JJ 33154 86 41 length length NN 33154 86 42 of of IN 33154 86 43 seven seven CD 33154 86 44 hundred hundred CD 33154 86 45 and and CC 33154 86 46 twenty twenty CD 33154 86 47 - - HYPH 33154 86 48 eight eight CD 33154 86 49 feet foot NNS 33154 86 50 . . . 33154 87 1 This this DT 33154 87 2 apparatus apparatus NN 33154 87 3 was be VBD 33154 87 4 found find VBN 33154 87 5 able able JJ 33154 87 6 to to TO 33154 87 7 sustain sustain VB 33154 87 8 a a DT 33154 87 9 weight weight NN 33154 87 10 of of IN 33154 87 11 twenty twenty CD 33154 87 12 - - HYPH 33154 87 13 five five CD 33154 87 14 hundred hundred CD 33154 87 15 pounds pound NNS 33154 87 16 . . . 33154 88 1 This this DT 33154 88 2 electro electro JJ 33154 88 3 - - HYPH 33154 88 4 magnet magnet NN 33154 88 5 is be VBZ 33154 88 6 now now RB 33154 88 7 owned own VBN 33154 88 8 by by IN 33154 88 9 Yale Yale NNP 33154 88 10 College College NNP 33154 88 11 . . . 33154 89 1 The the DT 33154 89 2 power power NN 33154 89 3 of of IN 33154 89 4 the the DT 33154 89 5 electro electro NNP 33154 89 6 - - HYPH 33154 89 7 magnet magnet NN 33154 89 8 is be VBZ 33154 89 9 enormously enormously RB 33154 89 10 greater great JJR 33154 89 11 than than IN 33154 89 12 that that DT 33154 89 13 of of IN 33154 89 14 any any DT 33154 89 15 permanent permanent JJ 33154 89 16 magnet magnet NN 33154 89 17 . . . 33154 90 1 A a DT 33154 90 2 permanent permanent JJ 33154 90 3 magnet magnet NN 33154 90 4 made make VBN 33154 90 5 by by IN 33154 90 6 Jamin Jamin NNP 33154 90 7 of of IN 33154 90 8 Paris Paris NNP 33154 90 9 , , , 33154 90 10 which which WDT 33154 90 11 is be VBZ 33154 90 12 made make VBN 33154 90 13 up up RP 33154 90 14 of of IN 33154 90 15 many many JJ 33154 90 16 strips strip NNS 33154 90 17 of of IN 33154 90 18 thin thin JJ 33154 90 19 steel steel NN 33154 90 20 bound bind VBN 33154 90 21 together together RB 33154 90 22 , , , 33154 90 23 and and CC 33154 90 24 weighing weigh VBG 33154 90 25 four four CD 33154 90 26 pounds pound NNS 33154 90 27 , , , 33154 90 28 is be VBZ 33154 90 29 able able JJ 33154 90 30 to to TO 33154 90 31 support support VB 33154 90 32 a a DT 33154 90 33 weight weight NN 33154 90 34 of of IN 33154 90 35 one one CD 33154 90 36 hundred hundred CD 33154 90 37 pounds pound NNS 33154 90 38 ; ; : 33154 90 39 but but CC 33154 90 40 Dr. Dr. NNP 33154 90 41 Joule Joule NNP 33154 90 42 made make VBD 33154 90 43 an an DT 33154 90 44 electro electro JJ 33154 90 45 - - HYPH 33154 90 46 magnet magnet NN 33154 90 47 , , , 33154 90 48 by by IN 33154 90 49 arranging arrange VBG 33154 90 50 the the DT 33154 90 51 coils coil NNS 33154 90 52 to to TO 33154 90 53 advantage advantage VB 33154 90 54 , , , 33154 90 55 that that WDT 33154 90 56 would would MD 33154 90 57 support support VB 33154 90 58 thirty thirty CD 33154 90 59 - - HYPH 33154 90 60 five five CD 33154 90 61 hundred hundred CD 33154 90 62 times time NNS 33154 90 63 its -PRON- PRP$ 33154 90 64 own own JJ 33154 90 65 weight weight NN 33154 90 66 , , , 33154 90 67 or or CC 33154 90 68 one one CD 33154 90 69 hundred hundred CD 33154 90 70 and and CC 33154 90 71 forty forty CD 33154 90 72 times time NNS 33154 90 73 the the DT 33154 90 74 proportionate proportionate NN 33154 90 75 load load NN 33154 90 76 of of IN 33154 90 77 Sir Sir NNP 33154 90 78 Isaac Isaac NNP 33154 90 79 Newton Newton NNP 33154 90 80 's 's POS 33154 90 81 ring ring NN 33154 90 82 magnet magnet NN 33154 90 83 . . . 33154 91 1 THE the DT 33154 91 2 GALVANIC GALVANIC NNP 33154 91 3 BATTERY BATTERY NNP 33154 91 4 . . . 33154 92 1 The the DT 33154 92 2 original original JJ 33154 92 3 form form NN 33154 92 4 of of IN 33154 92 5 the the DT 33154 92 6 galvanic galvanic JJ 33154 92 7 battery battery NN 33154 92 8 as as IN 33154 92 9 devised devise VBN 33154 92 10 by by IN 33154 92 11 Volta Volta NNP 33154 92 12 , , , 33154 92 13 and and CC 33154 92 14 modified modified JJ 33154 92 15 but but CC 33154 92 16 little little JJ 33154 92 17 during during IN 33154 92 18 thirty thirty CD 33154 92 19 years year NNS 33154 92 20 , , , 33154 92 21 consisted consist VBD 33154 92 22 of of IN 33154 92 23 a a DT 33154 92 24 cell cell NN 33154 92 25 to to TO 33154 92 26 contain contain VB 33154 92 27 a a DT 33154 92 28 fluid fluid NN 33154 92 29 , , , 33154 92 30 which which WDT 33154 92 31 was be VBD 33154 92 32 usually usually RB 33154 92 33 dilute dilute JJ 33154 92 34 sulphuric sulphuric NNP 33154 92 35 acid acid NN 33154 92 36 , , , 33154 92 37 in in IN 33154 92 38 which which WDT 33154 92 39 two two CD 33154 92 40 plates plate NNS 33154 92 41 of of IN 33154 92 42 different different JJ 33154 92 43 metals metal NNS 33154 92 44 were be VBD 33154 92 45 immersed immerse VBN 33154 92 46 : : : 33154 92 47 the the DT 33154 92 48 metals metal NNS 33154 92 49 used use VBN 33154 92 50 were be VBD 33154 92 51 generally generally RB 33154 92 52 plates plate NNS 33154 92 53 of of IN 33154 92 54 zinc zinc NN 33154 92 55 and and CC 33154 92 56 copper copper NN 33154 92 57 , , , 33154 92 58 or or CC 33154 92 59 zinc zinc NN 33154 92 60 and and CC 33154 92 61 silver silver NN 33154 92 62 . . . 33154 93 1 Such such JJ 33154 93 2 plates plate NNS 33154 93 3 , , , 33154 93 4 when when WRB 33154 93 5 first first RB 33154 93 6 placed place VBN 33154 93 7 in in IN 33154 93 8 the the DT 33154 93 9 liquid liquid NN 33154 93 10 , , , 33154 93 11 will will MD 33154 93 12 give give VB 33154 93 13 a a DT 33154 93 14 very very RB 33154 93 15 good good JJ 33154 93 16 current current NN 33154 93 17 of of IN 33154 93 18 electricity electricity NN 33154 93 19 ; ; : 33154 93 20 but but CC 33154 93 21 it -PRON- PRP 33154 93 22 will will MD 33154 93 23 not not RB 33154 93 24 last last VB 33154 93 25 long long RB 33154 93 26 . . . 33154 94 1 The the DT 33154 94 2 reason reason NN 33154 94 3 of of IN 33154 94 4 this this DT 33154 94 5 is be VBZ 33154 94 6 easy easy JJ 33154 94 7 to to TO 33154 94 8 understand understand VB 33154 94 9 . . . 33154 95 1 Whenever whenever WRB 33154 95 2 a a DT 33154 95 3 current current NN 33154 95 4 of of IN 33154 95 5 electricity electricity NN 33154 95 6 is be VBZ 33154 95 7 generated generate VBN 33154 95 8 by by IN 33154 95 9 chemical chemical JJ 33154 95 10 action action NN 33154 95 11 of of IN 33154 95 12 a a DT 33154 95 13 liquid liquid NN 33154 95 14 upon upon IN 33154 95 15 two two CD 33154 95 16 different different JJ 33154 95 17 metals metal NNS 33154 95 18 , , , 33154 95 19 there there EX 33154 95 20 is be VBZ 33154 95 21 always always RB 33154 95 22 some some DT 33154 95 23 decomposition decomposition NN 33154 95 24 of of IN 33154 95 25 the the DT 33154 95 26 liquid liquid NN 33154 95 27 , , , 33154 95 28 and and CC 33154 95 29 this this DT 33154 95 30 decomposition decomposition NN 33154 95 31 takes take VBZ 33154 95 32 place place NN 33154 95 33 upon upon IN 33154 95 34 the the DT 33154 95 35 plates plate NNS 33154 95 36 themselves -PRON- PRP 33154 95 37 ; ; : 33154 95 38 and and CC 33154 95 39 the the DT 33154 95 40 liberated liberated JJ 33154 95 41 gases gas NNS 33154 95 42 _ _ NNP 33154 95 43 adhere adhere NN 33154 95 44 to to IN 33154 95 45 the the DT 33154 95 46 plates plate NNS 33154 95 47 , , , 33154 95 48 and and CC 33154 95 49 prevent prevent VB 33154 95 50 further further JJ 33154 95 51 contact contact NN 33154 95 52 with with IN 33154 95 53 the the DT 33154 95 54 acid acid NN 33154 95 55 _ _ NNP 33154 95 56 ; ; : 33154 95 57 at at IN 33154 95 58 the the DT 33154 95 59 same same JJ 33154 95 60 time time NN 33154 95 61 , , , 33154 95 62 the the DT 33154 95 63 gases gas NNS 33154 95 64 themselves -PRON- PRP 33154 95 65 act act VBP 33154 95 66 upon upon IN 33154 95 67 the the DT 33154 95 68 plates plate NNS 33154 95 69 , , , 33154 95 70 and and CC 33154 95 71 generate generate VB 33154 95 72 a a DT 33154 95 73 current current NN 33154 95 74 of of IN 33154 95 75 electricity electricity NN 33154 95 76 in in IN 33154 95 77 the the DT 33154 95 78 opposite opposite JJ 33154 95 79 direction direction NN 33154 95 80 . . . 33154 96 1 This this DT 33154 96 2 will will MD 33154 96 3 of of IN 33154 96 4 course course NN 33154 96 5 interfere interfere VB 33154 96 6 with with IN 33154 96 7 the the DT 33154 96 8 first first JJ 33154 96 9 current current NN 33154 96 10 ; ; : 33154 96 11 and and CC 33154 96 12 very very RB 33154 96 13 soon soon RB 33154 96 14 the the DT 33154 96 15 battery battery NN 33154 96 16 is be VBZ 33154 96 17 useless useless JJ 33154 96 18 until until IN 33154 96 19 the the DT 33154 96 20 plates plate NNS 33154 96 21 have have VBP 33154 96 22 been be VBN 33154 96 23 withdrawn withdraw VBN 33154 96 24 from from IN 33154 96 25 the the DT 33154 96 26 liquid liquid NN 33154 96 27 . . . 33154 97 1 This this DT 33154 97 2 physico physico NN 33154 97 3 - - HYPH 33154 97 4 chemical chemical NN 33154 97 5 process process NN 33154 97 6 that that WDT 33154 97 7 takes take VBZ 33154 97 8 place place NN 33154 97 9 in in IN 33154 97 10 such such PDT 33154 97 11 a a DT 33154 97 12 battery battery NN 33154 97 13 is be VBZ 33154 97 14 called call VBN 33154 97 15 the the DT 33154 97 16 _ _ NNP 33154 97 17 polarization polarization NN 33154 97 18 of of IN 33154 97 19 the the DT 33154 97 20 plates plate NNS 33154 97 21 _ _ NNP 33154 97 22 . . . 33154 98 1 [ [ -LRB- 33154 98 2 Illustration illustration NN 33154 98 3 : : : 33154 98 4 FIG FIG NNP 33154 98 5 . . . 33154 99 1 1 1 LS 33154 99 2 . . . 33154 99 3 ] ] -RRB- 33154 100 1 The the DT 33154 100 2 accompanying accompanying JJ 33154 100 3 figure figure NN 33154 100 4 will will MD 33154 100 5 help help VB 33154 100 6 one one PRP 33154 100 7 to to TO 33154 100 8 understand understand VB 33154 100 9 the the DT 33154 100 10 actions action NNS 33154 100 11 going go VBG 33154 100 12 on on RP 33154 100 13 in in IN 33154 100 14 a a DT 33154 100 15 battery battery NN 33154 100 16 cell cell NN 33154 100 17 of of IN 33154 100 18 the the DT 33154 100 19 kind kind NN 33154 100 20 mentioned mention VBN 33154 100 21 . . . 33154 101 1 Let let VB 33154 101 2 Pt Pt NNP 33154 101 3 represent represent VB 33154 101 4 a a DT 33154 101 5 plate plate NN 33154 101 6 of of IN 33154 101 7 platinum platinum NN 33154 101 8 , , , 33154 101 9 and and CC 33154 101 10 Zn Zn NNP 33154 101 11 a a DT 33154 101 12 plate plate NN 33154 101 13 of of IN 33154 101 14 zinc zinc NN 33154 101 15 , , , 33154 101 16 both both DT 33154 101 17 placed place VBD 33154 101 18 in in IN 33154 101 19 a a DT 33154 101 20 vessel vessel NN 33154 101 21 containing contain VBG 33154 101 22 hydrochloric hydrochloric JJ 33154 101 23 acid acid NN 33154 101 24 , , , 33154 101 25 which which WDT 33154 101 26 is be VBZ 33154 101 27 also also RB 33154 101 28 represented represent VBN 33154 101 29 by by IN 33154 101 30 the the DT 33154 101 31 symbols symbol NNS 33154 101 32 HCl HCl NNS 33154 101 33 . . . 33154 102 1 As as IN 33154 102 2 such such JJ 33154 102 3 molecules molecule NNS 33154 102 4 are be VBP 33154 102 5 extremely extremely RB 33154 102 6 minute minute JJ 33154 102 7 , , , 33154 102 8 there there EX 33154 102 9 will will MD 33154 102 10 of of IN 33154 102 11 course course NN 33154 102 12 be be VB 33154 102 13 an an DT 33154 102 14 immense immense JJ 33154 102 15 number number NN 33154 102 16 of of IN 33154 102 17 them -PRON- PRP 33154 102 18 between between IN 33154 102 19 the the DT 33154 102 20 plates plate NNS 33154 102 21 . . . 33154 103 1 The the DT 33154 103 2 plates plate NNS 33154 103 3 are be VBP 33154 103 4 now now RB 33154 103 5 to to TO 33154 103 6 be be VB 33154 103 7 connected connect VBN 33154 103 8 by by IN 33154 103 9 a a DT 33154 103 10 wire wire NN 33154 103 11 running run VBG 33154 103 12 between between IN 33154 103 13 them -PRON- PRP 33154 103 14 through through IN 33154 103 15 the the DT 33154 103 16 air air NN 33154 103 17 . . . 33154 104 1 As as RB 33154 104 2 soon soon RB 33154 104 3 as as IN 33154 104 4 these these DT 33154 104 5 conditions condition NNS 33154 104 6 are be VBP 33154 104 7 fulfilled fulfil VBN 33154 104 8 , , , 33154 104 9 a a DT 33154 104 10 hissing hissing JJ 33154 104 11 sound sound NN 33154 104 12 will will MD 33154 104 13 be be VB 33154 104 14 heard hear VBN 33154 104 15 coming come VBG 33154 104 16 from from IN 33154 104 17 the the DT 33154 104 18 cell cell NN 33154 104 19 , , , 33154 104 20 and and CC 33154 104 21 bubbles bubble NNS 33154 104 22 of of IN 33154 104 23 gas gas NN 33154 104 24 will will MD 33154 104 25 be be VB 33154 104 26 seen see VBN 33154 104 27 to to TO 33154 104 28 rise rise VB 33154 104 29 from from IN 33154 104 30 the the DT 33154 104 31 platinum platinum NN 33154 104 32 plate plate NN 33154 104 33 : : : 33154 104 34 these these DT 33154 104 35 bubbles bubble NNS 33154 104 36 prove prove VBP 33154 104 37 upon upon IN 33154 104 38 analysis analysis NN 33154 104 39 to to TO 33154 104 40 be be VB 33154 104 41 bubbles bubble NNS 33154 104 42 of of IN 33154 104 43 hydrogen hydrogen NN 33154 104 44 . . . 33154 105 1 At at IN 33154 105 2 the the DT 33154 105 3 same same JJ 33154 105 4 time time NN 33154 105 5 the the DT 33154 105 6 zinc zinc NN 33154 105 7 will will MD 33154 105 8 begin begin VB 33154 105 9 to to TO 33154 105 10 dissolve dissolve VB 33154 105 11 , , , 33154 105 12 forming form VBG 33154 105 13 what what WP 33154 105 14 proves prove VBZ 33154 105 15 by by IN 33154 105 16 analysis analysis NN 33154 105 17 to to TO 33154 105 18 be be VB 33154 105 19 the the DT 33154 105 20 chloride chloride NN 33154 105 21 of of IN 33154 105 22 zinc zinc NN 33154 105 23 ; ; : 33154 105 24 and and CC 33154 105 25 at at IN 33154 105 26 the the DT 33154 105 27 same same JJ 33154 105 28 time time NN 33154 105 29 a a DT 33154 105 30 current current NN 33154 105 31 of of IN 33154 105 32 electricity electricity NN 33154 105 33 travels travel NNS 33154 105 34 through through IN 33154 105 35 the the DT 33154 105 36 wire wire NN 33154 105 37 from from IN 33154 105 38 the the DT 33154 105 39 platinum platinum NN 33154 105 40 to to IN 33154 105 41 the the DT 33154 105 42 zinc zinc NN 33154 105 43 . . . 33154 106 1 The the DT 33154 106 2 quantity quantity NN 33154 106 3 of of IN 33154 106 4 electricity electricity NN 33154 106 5 that that WDT 33154 106 6 is be VBZ 33154 106 7 thus thus RB 33154 106 8 generated generate VBN 33154 106 9 is be VBZ 33154 106 10 strictly strictly RB 33154 106 11 proportionate proportionate JJ 33154 106 12 to to IN 33154 106 13 the the DT 33154 106 14 quantity quantity NN 33154 106 15 of of IN 33154 106 16 hydrogen hydrogen NN 33154 106 17 liberated liberate VBN 33154 106 18 , , , 33154 106 19 which which WDT 33154 106 20 is be VBZ 33154 106 21 also also RB 33154 106 22 proportionate proportionate JJ 33154 106 23 to to IN 33154 106 24 the the DT 33154 106 25 weight weight NN 33154 106 26 of of IN 33154 106 27 zinc zinc NN 33154 106 28 dissolved dissolve VBN 33154 106 29 ; ; : 33154 106 30 and and CC 33154 106 31 this this DT 33154 106 32 , , , 33154 106 33 in in IN 33154 106 34 turn turn NN 33154 106 35 , , , 33154 106 36 is be VBZ 33154 106 37 proportionate proportionate JJ 33154 106 38 to to IN 33154 106 39 the the DT 33154 106 40 surface surface NN 33154 106 41 of of IN 33154 106 42 the the DT 33154 106 43 metals metal NNS 33154 106 44 exposed expose VBN 33154 106 45 to to IN 33154 106 46 the the DT 33154 106 47 action action NN 33154 106 48 of of IN 33154 106 49 the the DT 33154 106 50 acid acid NN 33154 106 51 . . . 33154 107 1 Now now RB 33154 107 2 , , , 33154 107 3 it -PRON- PRP 33154 107 4 happens happen VBZ 33154 107 5 under under IN 33154 107 6 such such JJ 33154 107 7 circumstances circumstance NNS 33154 107 8 as as IN 33154 107 9 the the DT 33154 107 10 above above JJ 33154 107 11 , , , 33154 107 12 that that IN 33154 107 13 the the DT 33154 107 14 liberated liberate VBN 33154 107 15 hydrogen hydrogen NN 33154 107 16 adheres adhere NNS 33154 107 17 very very RB 33154 107 18 strongly strongly RB 33154 107 19 to to IN 33154 107 20 the the DT 33154 107 21 platinum platinum NN 33154 107 22 , , , 33154 107 23 as as IN 33154 107 24 there there EX 33154 107 25 is be VBZ 33154 107 26 nothing nothing NN 33154 107 27 for for IN 33154 107 28 it -PRON- PRP 33154 107 29 to to TO 33154 107 30 unite unite VB 33154 107 31 with with IN 33154 107 32 chemically chemically RB 33154 107 33 ; ; : 33154 107 34 and and CC 33154 107 35 therefore therefore RB 33154 107 36 the the DT 33154 107 37 plate plate NN 33154 107 38 will will MD 33154 107 39 very very RB 33154 107 40 soon soon RB 33154 107 41 be be VB 33154 107 42 visibly visibly RB 33154 107 43 covered cover VBN 33154 107 44 with with IN 33154 107 45 bubbles bubble NNS 33154 107 46 , , , 33154 107 47 which which WDT 33154 107 48 may may MD 33154 107 49 be be VB 33154 107 50 scraped scrape VBN 33154 107 51 off off RP 33154 107 52 with with IN 33154 107 53 a a DT 33154 107 54 feather feather NN 33154 107 55 or or CC 33154 107 56 a a DT 33154 107 57 swab swab NN 33154 107 58 , , , 33154 107 59 but but CC 33154 107 60 only only RB 33154 107 61 to to TO 33154 107 62 have have VB 33154 107 63 the the DT 33154 107 64 same same JJ 33154 107 65 thing thing NN 33154 107 66 repeated repeat VBN 33154 107 67 . . . 33154 108 1 This this DT 33154 108 2 coating coating NN 33154 108 3 of of IN 33154 108 4 bubbles bubble NNS 33154 108 5 will will MD 33154 108 6 prevent prevent VB 33154 108 7 the the DT 33154 108 8 acid acid NN 33154 108 9 from from IN 33154 108 10 touching touch VBG 33154 108 11 the the DT 33154 108 12 plate plate NN 33154 108 13 , , , 33154 108 14 and and CC 33154 108 15 so so RB 33154 108 16 practically practically RB 33154 108 17 diminishes diminish VBZ 33154 108 18 the the DT 33154 108 19 surface surface NN 33154 108 20 of of IN 33154 108 21 it -PRON- PRP 33154 108 22 ; ; : 33154 108 23 but but CC 33154 108 24 the the DT 33154 108 25 quantity quantity NN 33154 108 26 of of IN 33154 108 27 electricity electricity NN 33154 108 28 generated generate VBN 33154 108 29 being be VBG 33154 108 30 proportionate proportionate JJ 33154 108 31 to to IN 33154 108 32 the the DT 33154 108 33 surface surface NN 33154 108 34 exposed expose VBN 33154 108 35 to to IN 33154 108 36 the the DT 33154 108 37 chemical chemical NN 33154 108 38 action action NN 33154 108 39 , , , 33154 108 40 it -PRON- PRP 33154 108 41 will will MD 33154 108 42 be be VB 33154 108 43 understood understand VBN 33154 108 44 at at IN 33154 108 45 once once RB 33154 108 46 how how WRB 33154 108 47 such such JJ 33154 108 48 polarization polarization NN 33154 108 49 of of IN 33154 108 50 the the DT 33154 108 51 plates plate NNS 33154 108 52 must must MD 33154 108 53 soon soon RB 33154 108 54 bring bring VB 33154 108 55 the the DT 33154 108 56 battery battery NN 33154 108 57 to to IN 33154 108 58 a a DT 33154 108 59 standstill standstill NN 33154 108 60 . . . 33154 109 1 In in IN 33154 109 2 1836 1836 CD 33154 109 3 Prof. Prof. NNP 33154 109 4 J. J. NNP 33154 109 5 F. F. NNP 33154 109 6 Daniell Daniell NNP 33154 109 7 of of IN 33154 109 8 London London NNP 33154 109 9 contrived contrive VBD 33154 109 10 a a DT 33154 109 11 battery battery NN 33154 109 12 , , , 33154 109 13 which which WDT 33154 109 14 has have VBZ 33154 109 15 been be VBN 33154 109 16 called call VBN 33154 109 17 the the DT 33154 109 18 Daniell Daniell NNP 33154 109 19 Cell Cell NNP 33154 109 20 , , , 33154 109 21 in in IN 33154 109 22 which which WDT 33154 109 23 the the DT 33154 109 24 metal metal NN 33154 109 25 ( ( -LRB- 33154 109 26 copper copper NN 33154 109 27 ) ) -RRB- 33154 109 28 that that WDT 33154 109 29 had have VBD 33154 109 30 the the DT 33154 109 31 hydrogen hydrogen NN 33154 109 32 liberated liberate VBN 33154 109 33 upon upon IN 33154 109 34 it -PRON- PRP 33154 109 35 was be VBD 33154 109 36 separated separate VBN 33154 109 37 by by IN 33154 109 38 a a DT 33154 109 39 porous porous JJ 33154 109 40 cell cell NN 33154 109 41 from from IN 33154 109 42 the the DT 33154 109 43 zinc zinc NN 33154 109 44 . . . 33154 110 1 The the DT 33154 110 2 zinc zinc NN 33154 110 3 was be VBD 33154 110 4 immersed immerse VBN 33154 110 5 in in IN 33154 110 6 dilute dilute NNP 33154 110 7 sulphuric sulphuric NNP 33154 110 8 acid acid NNP 33154 110 9 , , , 33154 110 10 and and CC 33154 110 11 the the DT 33154 110 12 copper copper NN 33154 110 13 in in IN 33154 110 14 an an DT 33154 110 15 acid acid JJ 33154 110 16 solution solution NN 33154 110 17 of of IN 33154 110 18 blue blue NNP 33154 110 19 vitriol vitriol NNP 33154 110 20 ( ( -LRB- 33154 110 21 copper copper NN 33154 110 22 sulphate sulphate NN 33154 110 23 ) ) -RRB- 33154 110 24 . . . 33154 111 1 The the DT 33154 111 2 porous porous JJ 33154 111 3 cup cup NN 33154 111 4 did do VBD 33154 111 5 not not RB 33154 111 6 prevent prevent VB 33154 111 7 the the DT 33154 111 8 electricity electricity NN 33154 111 9 from from IN 33154 111 10 passing pass VBG 33154 111 11 , , , 33154 111 12 nor nor CC 33154 111 13 the the DT 33154 111 14 decomposition decomposition NN 33154 111 15 from from IN 33154 111 16 taking take VBG 33154 111 17 place place NN 33154 111 18 ; ; : 33154 111 19 but but CC 33154 111 20 the the DT 33154 111 21 hydrogen hydrogen NN 33154 111 22 , , , 33154 111 23 which which WDT 33154 111 24 in in IN 33154 111 25 this this DT 33154 111 26 case case NN 33154 111 27 would would MD 33154 111 28 have have VB 33154 111 29 been be VBN 33154 111 30 liberated liberate VBN 33154 111 31 at at IN 33154 111 32 the the DT 33154 111 33 copper copper NN 33154 111 34 plate plate NN 33154 111 35 , , , 33154 111 36 at at IN 33154 111 37 once once RB 33154 111 38 united unite VBN 33154 111 39 with with IN 33154 111 40 oxygen oxygen NN 33154 111 41 there there RB 33154 111 42 , , , 33154 111 43 which which WDT 33154 111 44 it -PRON- PRP 33154 111 45 got get VBD 33154 111 46 by by IN 33154 111 47 decomposing decompose VBG 33154 111 48 the the DT 33154 111 49 copper copper NN 33154 111 50 sulphate sulphate NN 33154 111 51 : : : 33154 111 52 hence hence RB 33154 111 53 water water NN 33154 111 54 was be VBD 33154 111 55 formed form VBN 33154 111 56 , , , 33154 111 57 and and CC 33154 111 58 copper copper NN 33154 111 59 was be VBD 33154 111 60 deposited deposit VBN 33154 111 61 upon upon IN 33154 111 62 the the DT 33154 111 63 copper copper NN 33154 111 64 plate plate NN 33154 111 65 ; ; : 33154 111 66 and and CC 33154 111 67 , , , 33154 111 68 being be VBG 33154 111 69 an an DT 33154 111 70 excellent excellent JJ 33154 111 71 conductor conductor NN 33154 111 72 , , , 33154 111 73 the the DT 33154 111 74 battery battery NN 33154 111 75 would would MD 33154 111 76 keep keep VB 33154 111 77 up up RP 33154 111 78 a a DT 33154 111 79 strong strong JJ 33154 111 80 action action NN 33154 111 81 for for IN 33154 111 82 a a DT 33154 111 83 long long JJ 33154 111 84 time time NN 33154 111 85 . . . 33154 112 1 Mr. Mr. NNP 33154 112 2 Grove Grove NNP 33154 112 3 , , , 33154 112 4 also also RB 33154 112 5 of of IN 33154 112 6 London London NNP 33154 112 7 , , , 33154 112 8 in in IN 33154 112 9 1839 1839 CD 33154 112 10 invented invent VBD 33154 112 11 a a DT 33154 112 12 battery battery NN 33154 112 13 which which WDT 33154 112 14 still still RB 33154 112 15 goes go VBZ 33154 112 16 by by IN 33154 112 17 his -PRON- PRP$ 33154 112 18 name name NN 33154 112 19 , , , 33154 112 20 in in IN 33154 112 21 which which WDT 33154 112 22 the the DT 33154 112 23 hydrogen hydrogen NN 33154 112 24 plate plate NN 33154 112 25 is be VBZ 33154 112 26 of of IN 33154 112 27 platinum platinum NN 33154 112 28 immersed immerse VBN 33154 112 29 in in IN 33154 112 30 strong strong JJ 33154 112 31 nitric nitric JJ 33154 112 32 acid acid NN 33154 112 33 , , , 33154 112 34 enclosed enclose VBN 33154 112 35 also also RB 33154 112 36 in in IN 33154 112 37 a a DT 33154 112 38 porous porous JJ 33154 112 39 earthen earthen JJ 33154 112 40 cell cell NN 33154 112 41 ; ; , 33154 112 42 and and CC 33154 112 43 this this DT 33154 112 44 , , , 33154 112 45 in in IN 33154 112 46 turn turn NN 33154 112 47 , , , 33154 112 48 is be VBZ 33154 112 49 plunged plunge VBN 33154 112 50 into into IN 33154 112 51 a a DT 33154 112 52 vessel vessel NN 33154 112 53 containing contain VBG 33154 112 54 dilute dilute NN 33154 112 55 sulphuric sulphuric NNP 33154 112 56 acid acid NNP 33154 112 57 and and CC 33154 112 58 the the DT 33154 112 59 zinc zinc NN 33154 112 60 . . . 33154 113 1 In in IN 33154 113 2 this this DT 33154 113 3 case case NN 33154 113 4 the the DT 33154 113 5 liberated liberated JJ 33154 113 6 hydrogen hydrogen NN 33154 113 7 immediately immediately RB 33154 113 8 decomposes decompose VBZ 33154 113 9 the the DT 33154 113 10 nitric nitric JJ 33154 113 11 acid acid NN 33154 113 12 , , , 33154 113 13 which which WDT 33154 113 14 readily readily RB 33154 113 15 parts part VBZ 33154 113 16 with with IN 33154 113 17 its -PRON- PRP$ 33154 113 18 oxygen oxygen NN 33154 113 19 ; ; : 33154 113 20 water water NN 33154 113 21 is be VBZ 33154 113 22 the the DT 33154 113 23 product product NN 33154 113 24 , , , 33154 113 25 as as IN 33154 113 26 in in IN 33154 113 27 the the DT 33154 113 28 other other JJ 33154 113 29 case case NN 33154 113 30 , , , 33154 113 31 and and CC 33154 113 32 the the DT 33154 113 33 nitric nitric JJ 33154 113 34 acid acid NN 33154 113 35 loses lose VBZ 33154 113 36 strength strength NN 33154 113 37 . . . 33154 114 1 Strips strip NNS 33154 114 2 of of IN 33154 114 3 carbon carbon NN 33154 114 4 have have VBP 33154 114 5 been be VBN 33154 114 6 substituted substitute VBN 33154 114 7 for for IN 33154 114 8 the the DT 33154 114 9 platinum platinum NN 33154 114 10 , , , 33154 114 11 and and CC 33154 114 12 this this DT 33154 114 13 is be VBZ 33154 114 14 called call VBN 33154 114 15 the the DT 33154 114 16 Bunsen Bunsen NNP 33154 114 17 battery battery NN 33154 114 18 . . . 33154 115 1 It -PRON- PRP 33154 115 2 is be VBZ 33154 115 3 otherwise otherwise RB 33154 115 4 like like IN 33154 115 5 the the DT 33154 115 6 Grove Grove NNP 33154 115 7 battery battery NN 33154 115 8 ; ; : 33154 115 9 it -PRON- PRP 33154 115 10 gives give VBZ 33154 115 11 a a DT 33154 115 12 very very RB 33154 115 13 powerful powerful JJ 33154 115 14 and and CC 33154 115 15 constant constant JJ 33154 115 16 current current NN 33154 115 17 and and CC 33154 115 18 it -PRON- PRP 33154 115 19 is be VBZ 33154 115 20 by by IN 33154 115 21 the the DT 33154 115 22 use use NN 33154 115 23 of of IN 33154 115 24 one one CD 33154 115 25 or or CC 33154 115 26 the the DT 33154 115 27 other other JJ 33154 115 28 of of IN 33154 115 29 these these DT 33154 115 30 batteries battery NNS 33154 115 31 , , , 33154 115 32 that that IN 33154 115 33 most most JJS 33154 115 34 of of IN 33154 115 35 the the DT 33154 115 36 experiments experiment NNS 33154 115 37 in in IN 33154 115 38 electricity electricity NN 33154 115 39 are be VBP 33154 115 40 performed perform VBN 33154 115 41 in in IN 33154 115 42 institutions institution NNS 33154 115 43 of of IN 33154 115 44 learning learning NN 33154 115 45 , , , 33154 115 46 and and CC 33154 115 47 , , , 33154 115 48 until until IN 33154 115 49 lately lately RB 33154 115 50 , , , 33154 115 51 most most JJS 33154 115 52 in in IN 33154 115 53 use use NN 33154 115 54 for for IN 33154 115 55 telegraphic telegraphic JJ 33154 115 56 purposes purpose NNS 33154 115 57 . . . 33154 116 1 OTHER other JJ 33154 116 2 MEANS mean VBZ 33154 116 3 FOR for IN 33154 116 4 GENERATING generate VBG 33154 116 5 ELECTRICITY ELECTRICITY NNS 33154 116 6 . . . 33154 117 1 THERMO thermo NN 33154 117 2 - - HYPH 33154 117 3 ELECTRICITY ELECTRICITY NNP 33154 117 4 . . . 33154 118 1 IF if IN 33154 118 2 two two CD 33154 118 3 strips strip NNS 33154 118 4 of of IN 33154 118 5 different different JJ 33154 118 6 metals metal NNS 33154 118 7 , , , 33154 118 8 such such JJ 33154 118 9 as as IN 33154 118 10 silver silver NN 33154 118 11 and and CC 33154 118 12 iron iron NN 33154 118 13 , , , 33154 118 14 be be VB 33154 118 15 soldered solder VBN 33154 118 16 together together RB 33154 118 17 at at IN 33154 118 18 one one CD 33154 118 19 end end NN 33154 118 20 , , , 33154 118 21 and and CC 33154 118 22 the the DT 33154 118 23 other other JJ 33154 118 24 ends end NNS 33154 118 25 be be VB 33154 118 26 connected connect VBN 33154 118 27 with with IN 33154 118 28 a a DT 33154 118 29 galvanometer galvanometer NN 33154 118 30 , , , 33154 118 31 on on IN 33154 118 32 heating heat VBG 33154 118 33 the the DT 33154 118 34 soldered soldered JJ 33154 118 35 junction junction NN 33154 118 36 of of IN 33154 118 37 the the DT 33154 118 38 metals metal NNS 33154 118 39 it -PRON- PRP 33154 118 40 will will MD 33154 118 41 be be VB 33154 118 42 found find VBN 33154 118 43 that that IN 33154 118 44 a a DT 33154 118 45 current current NN 33154 118 46 of of IN 33154 118 47 electricity electricity NN 33154 118 48 traverses traverse VBZ 33154 118 49 the the DT 33154 118 50 circuit circuit NN 33154 118 51 from from IN 33154 118 52 the the DT 33154 118 53 iron iron NN 33154 118 54 to to IN 33154 118 55 the the DT 33154 118 56 silver silver NN 33154 118 57 . . . 33154 119 1 If if IN 33154 119 2 other other JJ 33154 119 3 metals metal NNS 33154 119 4 be be VB 33154 119 5 used use VBN 33154 119 6 , , , 33154 119 7 having have VBG 33154 119 8 the the DT 33154 119 9 same same JJ 33154 119 10 size size NN 33154 119 11 , , , 33154 119 12 and and CC 33154 119 13 the the DT 33154 119 14 same same JJ 33154 119 15 degree degree NN 33154 119 16 of of IN 33154 119 17 heat heat NN 33154 119 18 be be VB 33154 119 19 applied apply VBN 33154 119 20 , , , 33154 119 21 the the DT 33154 119 22 current current NN 33154 119 23 of of IN 33154 119 24 electricity electricity NN 33154 119 25 thus thus RB 33154 119 26 generated generate VBN 33154 119 27 will will MD 33154 119 28 give give VB 33154 119 29 a a DT 33154 119 30 greater great JJR 33154 119 31 or or CC 33154 119 32 a a DT 33154 119 33 less less JJR 33154 119 34 deflection deflection NN 33154 119 35 , , , 33154 119 36 which which WDT 33154 119 37 will will MD 33154 119 38 be be VB 33154 119 39 constant constant JJ 33154 119 40 for for IN 33154 119 41 the the DT 33154 119 42 metals metal NNS 33154 119 43 employed employ VBN 33154 119 44 . . . 33154 120 1 The the DT 33154 120 2 two two CD 33154 120 3 metals metal NNS 33154 120 4 generally generally RB 33154 120 5 employed employ VBN 33154 120 6 are be VBP 33154 120 7 bismuth bismuth NNP 33154 120 8 and and CC 33154 120 9 antimony antimony NNP 33154 120 10 , , , 33154 120 11 in in IN 33154 120 12 bars bar NNS 33154 120 13 about about IN 33154 120 14 an an DT 33154 120 15 inch inch NN 33154 120 16 long long RB 33154 120 17 and and CC 33154 120 18 an an DT 33154 120 19 eighth eighth NN 33154 120 20 of of IN 33154 120 21 an an DT 33154 120 22 inch inch NN 33154 120 23 square square NN 33154 120 24 . . . 33154 121 1 These these DT 33154 121 2 are be VBP 33154 121 3 soldered solder VBN 33154 121 4 together together RB 33154 121 5 in in IN 33154 121 6 series series NN 33154 121 7 so so IN 33154 121 8 as as IN 33154 121 9 to to TO 33154 121 10 present present VB 33154 121 11 for for IN 33154 121 12 faces face NNS 33154 121 13 the the DT 33154 121 14 ends end NNS 33154 121 15 of of IN 33154 121 16 the the DT 33154 121 17 bars bar NNS 33154 121 18 , , , 33154 121 19 and and CC 33154 121 20 these these DT 33154 121 21 often often RB 33154 121 22 number number NN 33154 121 23 as as RB 33154 121 24 many many JJ 33154 121 25 as as IN 33154 121 26 fifty fifty CD 33154 121 27 pairs pair NNS 33154 121 28 . . . 33154 122 1 Such such PDT 33154 122 2 a a DT 33154 122 3 series series NN 33154 122 4 is be VBZ 33154 122 5 called call VBN 33154 122 6 a a DT 33154 122 7 thermo thermo JJ 33154 122 8 - - HYPH 33154 122 9 pile pile NN 33154 122 10 . . . 33154 123 1 This this DT 33154 123 2 method method NN 33154 123 3 of of IN 33154 123 4 generating generate VBG 33154 123 5 electricity electricity NN 33154 123 6 was be VBD 33154 123 7 discovered discover VBN 33154 123 8 by by IN 33154 123 9 Seebeck Seebeck NNP 33154 123 10 of of IN 33154 123 11 Berlin Berlin NNP 33154 123 12 in in IN 33154 123 13 1821 1821 CD 33154 123 14 , , , 33154 123 15 but but CC 33154 123 16 the the DT 33154 123 17 thermo thermo JJ 33154 123 18 - - HYPH 33154 123 19 pile pile NN 33154 123 20 so so RB 33154 123 21 much much RB 33154 123 22 in in IN 33154 123 23 use use NN 33154 123 24 now now RB 33154 123 25 in in IN 33154 123 26 heat heat NN 33154 123 27 investigations investigation NNS 33154 123 28 was be VBD 33154 123 29 invented invent VBN 33154 123 30 by by IN 33154 123 31 Nobili Nobili NNP 33154 123 32 in in IN 33154 123 33 1835 1835 CD 33154 123 34 . . . 33154 124 1 The the DT 33154 124 2 strength strength NN 33154 124 3 of of IN 33154 124 4 this this DT 33154 124 5 current current NN 33154 124 6 is be VBZ 33154 124 7 not not RB 33154 124 8 very very RB 33154 124 9 great great JJ 33154 124 10 , , , 33154 124 11 a a DT 33154 124 12 single single JJ 33154 124 13 Daniell Daniell NNP 33154 124 14 cell cell NN 33154 124 15 being be VBG 33154 124 16 equal equal JJ 33154 124 17 to to IN 33154 124 18 nine nine CD 33154 124 19 pairs pair NNS 33154 124 20 of of IN 33154 124 21 the the DT 33154 124 22 strongest strong JJS 33154 124 23 combination combination NN 33154 124 24 yet yet RB 33154 124 25 discovered discover VBN 33154 124 26 , , , 33154 124 27 namely namely RB 33154 124 28 , , , 33154 124 29 the the DT 33154 124 30 artificial artificial JJ 33154 124 31 sulphuret sulphuret NN 33154 124 32 of of IN 33154 124 33 copper copper NN 33154 124 34 with with IN 33154 124 35 German german JJ 33154 124 36 silver silver NN 33154 124 37 . . . 33154 125 1 MAGNETO MAGNETO NNP 33154 125 2 - - HYPH 33154 125 3 ELECTRICITY ELECTRICITY NNP 33154 125 4 . . . 33154 126 1 [ [ -LRB- 33154 126 2 Illustration illustration NN 33154 126 3 : : : 33154 126 4 FIG FIG NNP 33154 126 5 . . . 33154 127 1 2 2 LS 33154 127 2 . . . 33154 127 3 ] ] -RRB- 33154 128 1 It -PRON- PRP 33154 128 2 has have VBZ 33154 128 3 already already RB 33154 128 4 been be VBN 33154 128 5 mentioned mention VBN 33154 128 6 , , , 33154 128 7 that that IN 33154 128 8 Oersted Oersted NNP 33154 128 9 found find VBD 33154 128 10 that that IN 33154 128 11 a a DT 33154 128 12 magnet magnet NN 33154 128 13 when when WRB 33154 128 14 free free JJ 33154 128 15 to to TO 33154 128 16 turn turn VB 33154 128 17 tended tend VBD 33154 128 18 to to TO 33154 128 19 set set VB 33154 128 20 itself -PRON- PRP 33154 128 21 at at IN 33154 128 22 right right JJ 33154 128 23 angles angle NNS 33154 128 24 to to IN 33154 128 25 a a DT 33154 128 26 wire wire NN 33154 128 27 in in IN 33154 128 28 which which WDT 33154 128 29 a a DT 33154 128 30 current current NN 33154 128 31 of of IN 33154 128 32 electricity electricity NN 33154 128 33 was be VBD 33154 128 34 passing pass VBG 33154 128 35 , , , 33154 128 36 thus thus RB 33154 128 37 demonstrating demonstrate VBG 33154 128 38 some some DT 33154 128 39 inter inter JJ 33154 128 40 - - NN 33154 128 41 action action NN 33154 128 42 between between IN 33154 128 43 electricity electricity NN 33154 128 44 and and CC 33154 128 45 magnetism magnetism NN 33154 128 46 ; ; : 33154 128 47 but but CC 33154 128 48 it -PRON- PRP 33154 128 49 remained remain VBD 33154 128 50 for for IN 33154 128 51 Faraday Faraday NNP 33154 128 52 to to TO 33154 128 53 discover discover VB 33154 128 54 the the DT 33154 128 55 converse converse NN 33154 128 56 fact fact NN 33154 128 57 , , , 33154 128 58 namely namely RB 33154 128 59 , , , 33154 128 60 that that IN 33154 128 61 a a DT 33154 128 62 magnet magnet NN 33154 128 63 moving move VBG 33154 128 64 across across IN 33154 128 65 a a DT 33154 128 66 wire wire NN 33154 128 67 , , , 33154 128 68 the the DT 33154 128 69 ends end NNS 33154 128 70 of of IN 33154 128 71 which which WDT 33154 128 72 were be VBD 33154 128 73 connected connect VBN 33154 128 74 with with IN 33154 128 75 a a DT 33154 128 76 galvanometer galvanometer NN 33154 128 77 or or CC 33154 128 78 otherwise otherwise RB 33154 128 79 closed close VBN 33154 128 80 , , , 33154 128 81 originated originate VBD 33154 128 82 a a DT 33154 128 83 current current NN 33154 128 84 of of IN 33154 128 85 electricity electricity NN 33154 128 86 in in IN 33154 128 87 the the DT 33154 128 88 wire wire NN 33154 128 89 , , , 33154 128 90 the the DT 33154 128 91 direction direction NN 33154 128 92 of of IN 33154 128 93 which which WDT 33154 128 94 depended depend VBD 33154 128 95 upon upon IN 33154 128 96 the the DT 33154 128 97 direction direction NN 33154 128 98 of of IN 33154 128 99 the the DT 33154 128 100 movement movement NN 33154 128 101 of of IN 33154 128 102 the the DT 33154 128 103 magnet magnet NN 33154 128 104 . . . 33154 129 1 If if IN 33154 129 2 the the DT 33154 129 3 wire wire NN 33154 129 4 was be VBD 33154 129 5 coiled coil VBN 33154 129 6 into into IN 33154 129 7 a a DT 33154 129 8 hollow hollow JJ 33154 129 9 helix helix NN 33154 129 10 , , , 33154 129 11 the the DT 33154 129 12 magnet magnet NN 33154 129 13 in in IN 33154 129 14 moving move VBG 33154 129 15 through through IN 33154 129 16 the the DT 33154 129 17 helix helix NN 33154 129 18 moved move VBN 33154 129 19 across across RB 33154 129 20 , , , 33154 129 21 that that RB 33154 129 22 is is RB 33154 129 23 , , , 33154 129 24 at at IN 33154 129 25 right right JJ 33154 129 26 angles angle NNS 33154 129 27 to to IN 33154 129 28 all all PDT 33154 129 29 the the DT 33154 129 30 turns turn NNS 33154 129 31 of of IN 33154 129 32 the the DT 33154 129 33 helix helix NN 33154 129 34 ; ; : 33154 129 35 and and CC 33154 129 36 each each DT 33154 129 37 complete complete JJ 33154 129 38 turn turn NN 33154 129 39 added add VBN 33154 129 40 to to IN 33154 129 41 the the DT 33154 129 42 intensity intensity NN 33154 129 43 of of IN 33154 129 44 the the DT 33154 129 45 current current NN 33154 129 46 . . . 33154 130 1 This this DT 33154 130 2 will will MD 33154 130 3 be be VB 33154 130 4 understood understand VBN 33154 130 5 by by IN 33154 130 6 reference reference NN 33154 130 7 to to IN 33154 130 8 the the DT 33154 130 9 diagram diagram NN 33154 130 10 , , , 33154 130 11 Fig Fig NNP 33154 130 12 . . . 33154 131 1 2 2 LS 33154 131 2 . . . 33154 132 1 Let let VB 33154 132 2 G g NN 33154 132 3 be be VB 33154 132 4 a a DT 33154 132 5 galvanometer galvanometer NN 33154 132 6 connected connect VBN 33154 132 7 with with IN 33154 132 8 the the DT 33154 132 9 wires wire NNS 33154 132 10 from from IN 33154 132 11 a a DT 33154 132 12 helix helix NN 33154 132 13 ; ; : 33154 132 14 N N NNP 33154 132 15 S S NNP 33154 132 16 , , , 33154 132 17 a a DT 33154 132 18 permanent permanent JJ 33154 132 19 bar bar NN 33154 132 20 magnet magnet NN 33154 132 21 . . . 33154 133 1 If if IN 33154 133 2 the the DT 33154 133 3 magnet magnet NN 33154 133 4 be be VBP 33154 133 5 thrust thrust VBN 33154 133 6 into into IN 33154 133 7 the the DT 33154 133 8 coil coil NN 33154 133 9 , , , 33154 133 10 a a DT 33154 133 11 current current NN 33154 133 12 of of IN 33154 133 13 electricity electricity NN 33154 133 14 will will MD 33154 133 15 traverse traverse VB 33154 133 16 the the DT 33154 133 17 helix helix NN 33154 133 18 , , , 33154 133 19 wire wire NN 33154 133 20 , , , 33154 133 21 and and CC 33154 133 22 galvanometer galvanometer NN 33154 133 23 , , , 33154 133 24 and and CC 33154 133 25 the the DT 33154 133 26 needle needle NN 33154 133 27 will will MD 33154 133 28 indicate indicate VB 33154 133 29 its -PRON- PRP$ 33154 133 30 direction direction NN 33154 133 31 . . . 33154 134 1 If if IN 33154 134 2 the the DT 33154 134 3 magnet magnet NN 33154 134 4 be be VBP 33154 134 5 now now RB 33154 134 6 withdrawn withdraw VBN 33154 134 7 , , , 33154 134 8 a a DT 33154 134 9 current current NN 33154 134 10 will will MD 33154 134 11 move move VB 33154 134 12 in in IN 33154 134 13 the the DT 33154 134 14 opposite opposite JJ 33154 134 15 direction direction NN 33154 134 16 through through IN 33154 134 17 the the DT 33154 134 18 whole whole JJ 33154 134 19 circuit circuit NN 33154 134 20 . . . 33154 135 1 The the DT 33154 135 2 electricity electricity NN 33154 135 3 that that WDT 33154 135 4 is be VBZ 33154 135 5 thus thus RB 33154 135 6 originated originate VBN 33154 135 7 is be VBZ 33154 135 8 said say VBN 33154 135 9 to to TO 33154 135 10 be be VB 33154 135 11 induced induce VBN 33154 135 12 . . . 33154 136 1 The the DT 33154 136 2 quantity quantity NN 33154 136 3 of of IN 33154 136 4 electricity electricity NN 33154 136 5 that that WDT 33154 136 6 can can MD 33154 136 7 be be VB 33154 136 8 induced induce VBN 33154 136 9 thus thus RB 33154 136 10 is be VBZ 33154 136 11 almost almost RB 33154 136 12 unlimited unlimited JJ 33154 136 13 , , , 33154 136 14 depending depend VBG 33154 136 15 upon upon IN 33154 136 16 the the DT 33154 136 17 size size NN 33154 136 18 and and CC 33154 136 19 strength strength NN 33154 136 20 of of IN 33154 136 21 the the DT 33154 136 22 magnet magnet NN 33154 136 23 , , , 33154 136 24 the the DT 33154 136 25 size size NN 33154 136 26 of of IN 33154 136 27 the the DT 33154 136 28 wire wire NN 33154 136 29 , , , 33154 136 30 and and CC 33154 136 31 the the DT 33154 136 32 length length NN 33154 136 33 of of IN 33154 136 34 wire wire NN 33154 136 35 in in IN 33154 136 36 the the DT 33154 136 37 coil coil NN 33154 136 38 . . . 33154 137 1 There there EX 33154 137 2 are be VBP 33154 137 3 now now RB 33154 137 4 many many JJ 33154 137 5 forms form NNS 33154 137 6 of of IN 33154 137 7 machines machine NNS 33154 137 8 for for IN 33154 137 9 developing develop VBG 33154 137 10 electricity electricity NN 33154 137 11 from from IN 33154 137 12 the the DT 33154 137 13 motion motion NN 33154 137 14 of of IN 33154 137 15 coils coil NNS 33154 137 16 of of IN 33154 137 17 wire wire NN 33154 137 18 in in IN 33154 137 19 front front NN 33154 137 20 of of IN 33154 137 21 the the DT 33154 137 22 poles pole NNS 33154 137 23 of of IN 33154 137 24 permanent permanent JJ 33154 137 25 magnets magnet NNS 33154 137 26 . . . 33154 138 1 They -PRON- PRP 33154 138 2 are be VBP 33154 138 3 generally generally RB 33154 138 4 called call VBN 33154 138 5 magneto magneto NNP 33154 138 6 - - HYPH 33154 138 7 electric electric JJ 33154 138 8 machines machine NNS 33154 138 9 . . . 33154 139 1 The the DT 33154 139 2 action action NN 33154 139 3 involved involve VBN 33154 139 4 in in IN 33154 139 5 these these DT 33154 139 6 machines machine NNS 33154 139 7 is be VBZ 33154 139 8 so so RB 33154 139 9 important important JJ 33154 139 10 in in IN 33154 139 11 its -PRON- PRP$ 33154 139 12 bearing bearing NN 33154 139 13 upon upon IN 33154 139 14 telephony telephony NN 33154 139 15 as as IN 33154 139 16 to to TO 33154 139 17 necessitate necessitate VB 33154 139 18 a a DT 33154 139 19 fuller full JJR 33154 139 20 description description NN 33154 139 21 of of IN 33154 139 22 them -PRON- PRP 33154 139 23 . . . 33154 140 1 MAGNETIC MAGNETIC NNP 33154 140 2 INDUCTION INDUCTION NNP 33154 140 3 . . . 33154 141 1 [ [ -LRB- 33154 141 2 Illustration illustration NN 33154 141 3 : : : 33154 141 4 FIG FIG NNP 33154 141 5 . . . 33154 142 1 3 3 LS 33154 142 2 . . . 33154 142 3 ] ] -RRB- 33154 143 1 Let let VB 33154 143 2 N N NNP 33154 143 3 S S NNP 33154 143 4 , , , 33154 143 5 Fig Fig NNP 33154 143 6 . . . 33154 144 1 3 3 LS 33154 144 2 , , , 33154 144 3 be be VB 33154 144 4 a a DT 33154 144 5 bar bar NN 33154 144 6 of of IN 33154 144 7 hardened harden VBN 33154 144 8 steel steel NN 33154 144 9 rendered render VBN 33154 144 10 permanently permanently RB 33154 144 11 magnetic magnetic JJ 33154 144 12 . . . 33154 145 1 If if IN 33154 145 2 now now RB 33154 145 3 there there EX 33154 145 4 be be VB 33154 145 5 brought bring VBN 33154 145 6 near near RB 33154 145 7 to to IN 33154 145 8 it -PRON- PRP 33154 145 9 a a DT 33154 145 10 board board NN 33154 145 11 - - HYPH 33154 145 12 nail nail NN 33154 145 13 , , , 33154 145 14 the the DT 33154 145 15 latter latter JJ 33154 145 16 will will MD 33154 145 17 become become VB 33154 145 18 a a DT 33154 145 19 magnet magnet NN 33154 145 20 through through IN 33154 145 21 the the DT 33154 145 22 _ _ NNP 33154 145 23 inductive inductive JJ 33154 145 24 _ _ NNP 33154 145 25 action action NN 33154 145 26 of of IN 33154 145 27 the the DT 33154 145 28 first first JJ 33154 145 29 magnet magnet NN 33154 145 30 . . . 33154 146 1 This this DT 33154 146 2 induced induce VBN 33154 146 3 magnetism magnetism NN 33154 146 4 may may MD 33154 146 5 be be VB 33154 146 6 demonstrated demonstrate VBN 33154 146 7 by by IN 33154 146 8 bringing bring VBG 33154 146 9 a a DT 33154 146 10 tack tack NN 33154 146 11 or or CC 33154 146 12 other other JJ 33154 146 13 bit bit NN 33154 146 14 of of IN 33154 146 15 iron iron NN 33154 146 16 to to IN 33154 146 17 the the DT 33154 146 18 end end NN 33154 146 19 that that WDT 33154 146 20 is be VBZ 33154 146 21 farthest farthest JJ 33154 146 22 from from IN 33154 146 23 the the DT 33154 146 24 permanent permanent JJ 33154 146 25 magnet magnet NN 33154 146 26 ; ; : 33154 146 27 the the DT 33154 146 28 tack tack NN 33154 146 29 will will MD 33154 146 30 adhere adhere VB 33154 146 31 to to IN 33154 146 32 the the DT 33154 146 33 nail nail NN 33154 146 34 , , , 33154 146 35 but but CC 33154 146 36 will will MD 33154 146 37 fall fall VB 33154 146 38 off off RP 33154 146 39 when when WRB 33154 146 40 the the DT 33154 146 41 nail nail NN 33154 146 42 is be VBZ 33154 146 43 removed remove VBN 33154 146 44 from from IN 33154 146 45 the the DT 33154 146 46 neighborhood neighborhood NN 33154 146 47 of of IN 33154 146 48 the the DT 33154 146 49 magnet magnet NN 33154 146 50 . . . 33154 147 1 By by IN 33154 147 2 testing test VBG 33154 147 3 the the DT 33154 147 4 polarity polarity NN 33154 147 5 of of IN 33154 147 6 the the DT 33154 147 7 nail nail NN 33154 147 8 , , , 33154 147 9 it -PRON- PRP 33154 147 10 will will MD 33154 147 11 be be VB 33154 147 12 found find VBN 33154 147 13 that that IN 33154 147 14 the the DT 33154 147 15 end end NN 33154 147 16 nearest nearest IN 33154 147 17 the the DT 33154 147 18 magnet magnet NN 33154 147 19 will will MD 33154 147 20 be be VB 33154 147 21 a a DT 33154 147 22 south south JJ 33154 147 23 pole pole NN 33154 147 24 if if IN 33154 147 25 the the DT 33154 147 26 magnet magnet NN 33154 147 27 has have VBZ 33154 147 28 its -PRON- PRP$ 33154 147 29 north north JJ 33154 147 30 pole pole NN 33154 147 31 towards towards IN 33154 147 32 it -PRON- PRP 33154 147 33 , , , 33154 147 34 in in IN 33154 147 35 all all DT 33154 147 36 cases case NNS 33154 147 37 having have VBG 33154 147 38 a a DT 33154 147 39 polarity polarity NN 33154 147 40 opposite opposite JJ 33154 147 41 to to IN 33154 147 42 that that DT 33154 147 43 of of IN 33154 147 44 the the DT 33154 147 45 pole pole NN 33154 147 46 acting act VBG 33154 147 47 upon upon IN 33154 147 48 it -PRON- PRP 33154 147 49 . . . 33154 148 1 The the DT 33154 148 2 strength strength NN 33154 148 3 of of IN 33154 148 4 this this DT 33154 148 5 induced induce VBN 33154 148 6 magnetism magnetism NN 33154 148 7 thus thus RB 33154 148 8 developed develop VBD 33154 148 9 depends depend VBZ 33154 148 10 upon upon IN 33154 148 11 the the DT 33154 148 12 distance distance NN 33154 148 13 apart apart RB 33154 148 14 of of IN 33154 148 15 the the DT 33154 148 16 magnet magnet NN 33154 148 17 and and CC 33154 148 18 the the DT 33154 148 19 iron iron NN 33154 148 20 , , , 33154 148 21 being be VBG 33154 148 22 at at IN 33154 148 23 its -PRON- PRP$ 33154 148 24 maximum maximum NN 33154 148 25 when when WRB 33154 148 26 the the DT 33154 148 27 two two CD 33154 148 28 touch touch NN 33154 148 29 . . . 33154 149 1 But but CC 33154 149 2 the the DT 33154 149 3 tack tack NN 33154 149 4 itself -PRON- PRP 33154 149 5 is be VBZ 33154 149 6 also also RB 33154 149 7 made make VBN 33154 149 8 a a DT 33154 149 9 magnet magnet NN 33154 149 10 , , , 33154 149 11 and and CC 33154 149 12 will will MD 33154 149 13 attract attract VB 33154 149 14 another another DT 33154 149 15 tack tack NN 33154 149 16 , , , 33154 149 17 and and CC 33154 149 18 that that IN 33154 149 19 one one NN 33154 149 20 still still RB 33154 149 21 another another DT 33154 149 22 , , , 33154 149 23 the the DT 33154 149 24 number number NN 33154 149 25 which which WDT 33154 149 26 can can MD 33154 149 27 be be VB 33154 149 28 thus thus RB 33154 149 29 supported support VBN 33154 149 30 being be VBG 33154 149 31 dependent dependent JJ 33154 149 32 upon upon IN 33154 149 33 the the DT 33154 149 34 strength strength NN 33154 149 35 of of IN 33154 149 36 the the DT 33154 149 37 first first JJ 33154 149 38 or or CC 33154 149 39 inducing induce VBG 33154 149 40 magnet magnet NN 33154 149 41 . . . 33154 150 1 Suppose suppose VB 33154 150 2 now now RB 33154 150 3 that that IN 33154 150 4 we -PRON- PRP 33154 150 5 should should MD 33154 150 6 wind wind VB 33154 150 7 a a DT 33154 150 8 few few JJ 33154 150 9 feet foot NNS 33154 150 10 of of IN 33154 150 11 wire wire NN 33154 150 12 about about IN 33154 150 13 the the DT 33154 150 14 nail nail NN 33154 150 15 , , , 33154 150 16 and and CC 33154 150 17 fasten fasten RB 33154 150 18 the the DT 33154 150 19 two two CD 33154 150 20 ends end NNS 33154 150 21 of of IN 33154 150 22 the the DT 33154 150 23 wire wire NN 33154 150 24 to to IN 33154 150 25 an an DT 33154 150 26 ordinary ordinary JJ 33154 150 27 galvanometer galvanometer NN 33154 150 28 , , , 33154 150 29 and and CC 33154 150 30 then then RB 33154 150 31 make make VB 33154 150 32 the the DT 33154 150 33 nail nail NN 33154 150 34 to to TO 33154 150 35 approach approach VB 33154 150 36 the the DT 33154 150 37 permanent permanent JJ 33154 150 38 magnet magnet NN 33154 150 39 . . . 33154 151 1 The the DT 33154 151 2 galvanometer galvanometer NN 33154 151 3 needle needle NN 33154 151 4 would would MD 33154 151 5 be be VB 33154 151 6 seen see VBN 33154 151 7 to to TO 33154 151 8 move move VB 33154 151 9 as as IN 33154 151 10 the the DT 33154 151 11 nail nail NN 33154 151 12 approached approach VBD 33154 151 13 ; ; : 33154 151 14 and and CC 33154 151 15 , , , 33154 151 16 if if IN 33154 151 17 the the DT 33154 151 18 latter latter JJ 33154 151 19 were be VBD 33154 151 20 allowed allow VBN 33154 151 21 to to TO 33154 151 22 touch touch VB 33154 151 23 the the DT 33154 151 24 magnet magnet NN 33154 151 25 , , , 33154 151 26 the the DT 33154 151 27 movement movement NN 33154 151 28 of of IN 33154 151 29 the the DT 33154 151 30 needle needle NN 33154 151 31 would would MD 33154 151 32 suddenly suddenly RB 33154 151 33 be be VB 33154 151 34 much much RB 33154 151 35 hastened hasten VBN 33154 151 36 , , , 33154 151 37 but but CC 33154 151 38 would would MD 33154 151 39 directly directly RB 33154 151 40 come come VB 33154 151 41 to to TO 33154 151 42 rest rest VB 33154 151 43 , , , 33154 151 44 showing show VBG 33154 151 45 that that DT 33154 151 46 , , , 33154 151 47 so so RB 33154 151 48 long long RB 33154 151 49 as as IN 33154 151 50 there there EX 33154 151 51 is be VBZ 33154 151 52 no no DT 33154 151 53 motion motion NN 33154 151 54 of of IN 33154 151 55 the the DT 33154 151 56 nail nail NN 33154 151 57 towards towards IN 33154 151 58 or or CC 33154 151 59 away away RB 33154 151 60 from from IN 33154 151 61 the the DT 33154 151 62 magnet magnet NN 33154 151 63 , , , 33154 151 64 no no DT 33154 151 65 electricity electricity NN 33154 151 66 is be VBZ 33154 151 67 moving move VBG 33154 151 68 in in IN 33154 151 69 the the DT 33154 151 70 wire wire NN 33154 151 71 , , , 33154 151 72 although although IN 33154 151 73 the the DT 33154 151 74 nail nail NN 33154 151 75 is be VBZ 33154 151 76 a a DT 33154 151 77 strong strong JJ 33154 151 78 magnet magnet NN 33154 151 79 while while IN 33154 151 80 it -PRON- PRP 33154 151 81 is be VBZ 33154 151 82 in in IN 33154 151 83 contact contact NN 33154 151 84 with with IN 33154 151 85 the the DT 33154 151 86 permanent permanent JJ 33154 151 87 magnet magnet NN 33154 151 88 . . . 33154 152 1 If if IN 33154 152 2 the the DT 33154 152 3 nail nail NN 33154 152 4 be be VBP 33154 152 5 now now RB 33154 152 6 withdrawn withdraw VBN 33154 152 7 , , , 33154 152 8 the the DT 33154 152 9 two two CD 33154 152 10 phenomena phenomenon NNS 33154 152 11 happen happen VBP 33154 152 12 as as IN 33154 152 13 before before RB 33154 152 14 : : : 33154 152 15 that that DT 33154 152 16 is be VBZ 33154 152 17 to to TO 33154 152 18 say say VB 33154 152 19 , , , 33154 152 20 as as IN 33154 152 21 the the DT 33154 152 22 nail nail NN 33154 152 23 recedes recede VBZ 33154 152 24 it -PRON- PRP 33154 152 25 loses lose VBZ 33154 152 26 its -PRON- PRP$ 33154 152 27 magnetism magnetism NN 33154 152 28 ; ; : 33154 152 29 and and CC 33154 152 30 the the DT 33154 152 31 giving giving NN 33154 152 32 - - HYPH 33154 152 33 up up NN 33154 152 34 of of IN 33154 152 35 its -PRON- PRP$ 33154 152 36 magnetism magnetism NN 33154 152 37 induces induce VBZ 33154 152 38 a a DT 33154 152 39 current current NN 33154 152 40 of of IN 33154 152 41 electricity electricity NN 33154 152 42 through through IN 33154 152 43 the the DT 33154 152 44 wire wire NN 33154 152 45 in in IN 33154 152 46 the the DT 33154 152 47 opposite opposite JJ 33154 152 48 direction direction NN 33154 152 49 to to IN 33154 152 50 that that DT 33154 152 51 it -PRON- PRP 33154 152 52 had have VBD 33154 152 53 when when WRB 33154 152 54 the the DT 33154 152 55 nail nail NN 33154 152 56 approached approach VBD 33154 152 57 . . . 33154 153 1 The the DT 33154 153 2 current current NN 33154 153 3 of of IN 33154 153 4 electricity electricity NN 33154 153 5 in in IN 33154 153 6 the the DT 33154 153 7 opposite opposite JJ 33154 153 8 direction direction NN 33154 153 9 is be VBZ 33154 153 10 indicated indicate VBN 33154 153 11 by by IN 33154 153 12 the the DT 33154 153 13 galvanometer galvanometer NN 33154 153 14 needle needle NN 33154 153 15 , , , 33154 153 16 which which WDT 33154 153 17 moves move VBZ 33154 153 18 according accord VBG 33154 153 19 to to IN 33154 153 20 Ampère Ampère NNP 33154 153 21 's 's POS 33154 153 22 law law NN 33154 153 23 mentioned mention VBD 33154 153 24 on on IN 33154 153 25 a a DT 33154 153 26 preceding precede VBG 33154 153 27 page page NN 33154 153 28 . . . 33154 154 1 It -PRON- PRP 33154 154 2 may may MD 33154 154 3 be be VB 33154 154 4 noted note VBN 33154 154 5 here here RB 33154 154 6 that that IN 33154 154 7 we -PRON- PRP 33154 154 8 have have VBP 33154 154 9 an an DT 33154 154 10 effect effect NN 33154 154 11 quite quite RB 33154 154 12 analogous analogous JJ 33154 154 13 to to IN 33154 154 14 that that DT 33154 154 15 already already RB 33154 154 16 mentioned mention VBN 33154 154 17 on on IN 33154 154 18 page page NN 33154 154 19 21 21 CD 33154 154 20 as as IN 33154 154 21 the the DT 33154 154 22 experiment experiment NN 33154 154 23 of of IN 33154 154 24 Faraday Faraday NNP 33154 154 25 . . . 33154 155 1 In in IN 33154 155 2 one one CD 33154 155 3 case case NN 33154 155 4 a a DT 33154 155 5 permanent permanent JJ 33154 155 6 magnet magnet NN 33154 155 7 is be VBZ 33154 155 8 thrust thrust VBN 33154 155 9 into into IN 33154 155 10 a a DT 33154 155 11 coil coil NN 33154 155 12 of of IN 33154 155 13 wire wire NN 33154 155 14 , , , 33154 155 15 and and CC 33154 155 16 in in IN 33154 155 17 the the DT 33154 155 18 other other JJ 33154 155 19 a a DT 33154 155 20 piece piece NN 33154 155 21 of of IN 33154 155 22 iron iron NN 33154 155 23 is be VBZ 33154 155 24 made make VBN 33154 155 25 a a DT 33154 155 26 magnet magnet NN 33154 155 27 while while IN 33154 155 28 enclosed enclose VBN 33154 155 29 in in IN 33154 155 30 a a DT 33154 155 31 coil coil NN 33154 155 32 . . . 33154 156 1 In in IN 33154 156 2 each each DT 33154 156 3 case case NN 33154 156 4 there there EX 33154 156 5 is be VBZ 33154 156 6 generated generate VBN 33154 156 7 a a DT 33154 156 8 current current NN 33154 156 9 of of IN 33154 156 10 electricity electricity NN 33154 156 11 _ _ NNP 33154 156 12 which which WDT 33154 156 13 lasts last VBZ 33154 156 14 no no RB 33154 156 15 longer long RBR 33154 156 16 than than IN 33154 156 17 the the DT 33154 156 18 mechanical mechanical JJ 33154 156 19 motion motion NN 33154 156 20 of of IN 33154 156 21 the the DT 33154 156 22 parts part NNS 33154 156 23 lasts last VBZ 33154 156 24 _ _ NNP 33154 156 25 . . . 33154 157 1 MAGNETO MAGNETO NNP 33154 157 2 - - HYPH 33154 157 3 ELECTRIC ELECTRIC NNP 33154 157 4 MACHINES MACHINES NNP 33154 157 5 . . . 33154 158 1 Such such JJ 33154 158 2 transient transient JJ 33154 158 3 currents current NNS 33154 158 4 are be VBP 33154 158 5 practically practically RB 33154 158 6 useless useless JJ 33154 158 7 , , , 33154 158 8 and and CC 33154 158 9 several several JJ 33154 158 10 devices device NNS 33154 158 11 have have VBP 33154 158 12 been be VBN 33154 158 13 invented invent VBN 33154 158 14 to to TO 33154 158 15 make make VB 33154 158 16 the the DT 33154 158 17 flow flow NN 33154 158 18 continuous continuous JJ 33154 158 19 . . . 33154 159 1 The the DT 33154 159 2 common common JJ 33154 159 3 form form NN 33154 159 4 of of IN 33154 159 5 machine machine NN 33154 159 6 for for IN 33154 159 7 doing do VBG 33154 159 8 this this DT 33154 159 9 may may MD 33154 159 10 be be VB 33154 159 11 understood understand VBN 33154 159 12 by by IN 33154 159 13 reference reference NN 33154 159 14 to to IN 33154 159 15 the the DT 33154 159 16 diagram diagram NN 33154 159 17 . . . 33154 160 1 [ [ -LRB- 33154 160 2 Illustration illustration NN 33154 160 3 : : : 33154 160 4 FIG FIG NNP 33154 160 5 . . . 33154 161 1 4 4 LS 33154 161 2 . . . 33154 161 3 ] ] -RRB- 33154 162 1 N N NNP 33154 162 2 S S NNP 33154 162 3 , , , 33154 162 4 Fig Fig NNP 33154 162 5 . . . 33154 163 1 4 4 LS 33154 163 2 , , , 33154 163 3 is be VBZ 33154 163 4 the the DT 33154 163 5 permanent permanent JJ 33154 163 6 magnet magnet NN 33154 163 7 , , , 33154 163 8 which which WDT 33154 163 9 is be VBZ 33154 163 10 bent bent JJ 33154 163 11 into into IN 33154 163 12 a a DT 33154 163 13 U u NN 33154 163 14 form form NN 33154 163 15 in in IN 33154 163 16 order order NN 33154 163 17 to to TO 33154 163 18 utilize utilize VB 33154 163 19 both both DT 33154 163 20 poles pole NNS 33154 163 21 . . . 33154 164 1 N N NNP 33154 164 2 ´ ´ CD 33154 164 3 and and CC 33154 164 4 S S NNP 33154 164 5 ´ ´ CD 33154 164 6 are be VBP 33154 164 7 short short JJ 33154 164 8 rods rod NNS 33154 164 9 of of IN 33154 164 10 soft soft JJ 33154 164 11 iron iron NN 33154 164 12 fastened fasten VBN 33154 164 13 into into IN 33154 164 14 a a DT 33154 164 15 yoke yoke NN 33154 164 16 - - HYPH 33154 164 17 piece piece NN 33154 164 18 Y Y NNP 33154 164 19 , , , 33154 164 20 also also RB 33154 164 21 of of IN 33154 164 22 soft soft JJ 33154 164 23 iron iron NN 33154 164 24 . . . 33154 165 1 Coils coil NNS 33154 165 2 of of IN 33154 165 3 wire wire NN 33154 165 4 surround surround VBP 33154 165 5 each each DT 33154 165 6 of of IN 33154 165 7 the the DT 33154 165 8 rods rod NNS 33154 165 9 as as IN 33154 165 10 represented represent VBN 33154 165 11 , , , 33154 165 12 the the DT 33154 165 13 ends end NNS 33154 165 14 of of IN 33154 165 15 the the DT 33154 165 16 wires wire NNS 33154 165 17 connecting connect VBG 33154 165 18 with with IN 33154 165 19 each each DT 33154 165 20 other other JJ 33154 165 21 and and CC 33154 165 22 with with IN 33154 165 23 what what WP 33154 165 24 is be VBZ 33154 165 25 called call VBN 33154 165 26 a a DT 33154 165 27 pole pole NN 33154 165 28 - - HYPH 33154 165 29 changer changer NN 33154 165 30 . . . 33154 166 1 The the DT 33154 166 2 whole whole NN 33154 166 3 of of IN 33154 166 4 this this DT 33154 166 5 part part NN 33154 166 6 is be VBZ 33154 166 7 capable capable JJ 33154 166 8 of of IN 33154 166 9 revolving revolve VBG 33154 166 10 upon upon IN 33154 166 11 an an DT 33154 166 12 axis axis JJ 33154 166 13 P p NN 33154 166 14 Y y NN 33154 166 15 by by IN 33154 166 16 a a DT 33154 166 17 pulley pulley NN 33154 166 18 at at IN 33154 166 19 P. p. NN 33154 166 20 The the DT 33154 166 21 action action NN 33154 166 22 is be VBZ 33154 166 23 as as IN 33154 166 24 follows follow VBZ 33154 166 25 : : : 33154 166 26 From from IN 33154 166 27 their -PRON- PRP$ 33154 166 28 position position NN 33154 166 29 , , , 33154 166 30 the the DT 33154 166 31 soft soft JJ 33154 166 32 - - HYPH 33154 166 33 iron iron NN 33154 166 34 rods rod NNS 33154 166 35 N n CD 33154 166 36 ´ ´ CD 33154 166 37 S s NN 33154 166 38 ´ ´ CD 33154 166 39 must must MD 33154 166 40 be be VB 33154 166 41 magnets magnet NNS 33154 166 42 through through IN 33154 166 43 the the DT 33154 166 44 inductive inductive JJ 33154 166 45 action action NN 33154 166 46 of of IN 33154 166 47 the the DT 33154 166 48 permanent permanent JJ 33154 166 49 magnet magnet NN 33154 166 50 , , , 33154 166 51 just just RB 33154 166 52 as as IN 33154 166 53 the the DT 33154 166 54 nail nail NN 33154 166 55 was be VBD 33154 166 56 made make VBN 33154 166 57 a a DT 33154 166 58 magnet magnet NN 33154 166 59 in in IN 33154 166 60 like like IN 33154 166 61 position position NN 33154 166 62 . . . 33154 167 1 So so RB 33154 167 2 long long RB 33154 167 3 as as IN 33154 167 4 the the DT 33154 167 5 parts part NNS 33154 167 6 have have VBP 33154 167 7 the the DT 33154 167 8 relative relative JJ 33154 167 9 position position NN 33154 167 10 shown show VBN 33154 167 11 in in IN 33154 167 12 the the DT 33154 167 13 figure figure NN 33154 167 14 , , , 33154 167 15 and and CC 33154 167 16 there there EX 33154 167 17 is be VBZ 33154 167 18 no no DT 33154 167 19 motion motion NN 33154 167 20 , , , 33154 167 21 no no DT 33154 167 22 electricity electricity NN 33154 167 23 can can MD 33154 167 24 be be VB 33154 167 25 developed develop VBN 33154 167 26 ; ; : 33154 167 27 but but CC 33154 167 28 , , , 33154 167 29 if if IN 33154 167 30 the the DT 33154 167 31 axis axis JJ 33154 167 32 P p NN 33154 167 33 Y y NN 33154 167 34 be be VB 33154 167 35 turned turn VBN 33154 167 36 , , , 33154 167 37 S S NNP 33154 167 38 ´ ´ CD 33154 167 39 , , , 33154 167 40 which which WDT 33154 167 41 represents represent VBZ 33154 167 42 the the DT 33154 167 43 polarity polarity NN 33154 167 44 of of IN 33154 167 45 the the DT 33154 167 46 rod rod NN 33154 167 47 opposite opposite JJ 33154 167 48 N n NN 33154 167 49 , , , 33154 167 50 will will MD 33154 167 51 be be VB 33154 167 52 losing lose VBG 33154 167 53 its -PRON- PRP$ 33154 167 54 induced induce VBN 33154 167 55 magnetism magnetism NN 33154 167 56 ; ; : 33154 167 57 and and CC 33154 167 58 , , , 33154 167 59 when when WRB 33154 167 60 half half PDT 33154 167 61 a a DT 33154 167 62 revolution revolution NN 33154 167 63 has have VBZ 33154 167 64 been be VBN 33154 167 65 made make VBN 33154 167 66 , , , 33154 167 67 that that DT 33154 167 68 same same JJ 33154 167 69 pole pole NN 33154 167 70 will will MD 33154 167 71 be be VB 33154 167 72 where where WRB 33154 167 73 N n NN 33154 167 74 ´ ´ CD 33154 167 75 now now RB 33154 167 76 is be VBZ 33154 167 77 ; ; : 33154 167 78 but but CC 33154 167 79 it -PRON- PRP 33154 167 80 will will MD 33154 167 81 then then RB 33154 167 82 have have VB 33154 167 83 N N NNP 33154 167 84 ´ ´ CD 33154 167 85 polarity polarity NN 33154 167 86 instead instead RB 33154 167 87 of of IN 33154 167 88 S S NNP 33154 167 89 ´ ´ CD 33154 167 90 ; ; : 33154 167 91 that that RB 33154 167 92 is is RB 33154 167 93 , , , 33154 167 94 it -PRON- PRP 33154 167 95 has have VBZ 33154 167 96 been be VBN 33154 167 97 losing lose VBG 33154 167 98 south south JJ 33154 167 99 polarity polarity NN 33154 167 100 as as IN 33154 167 101 it -PRON- PRP 33154 167 102 receded recede VBD 33154 167 103 from from IN 33154 167 104 N n CD 33154 167 105 , , , 33154 167 106 and and CC 33154 167 107 gaining gain VBG 33154 167 108 north north JJ 33154 167 109 polarity polarity NN 33154 167 110 as as IN 33154 167 111 it -PRON- PRP 33154 167 112 approached approach VBD 33154 167 113 S S NNP 33154 167 114 : : : 33154 167 115 hence hence RB 33154 167 116 a a DT 33154 167 117 current current NN 33154 167 118 of of IN 33154 167 119 electricity electricity NN 33154 167 120 has have VBZ 33154 167 121 steadily steadily RB 33154 167 122 been be VBN 33154 167 123 flowing flow VBG 33154 167 124 through through IN 33154 167 125 the the DT 33154 167 126 coil coil NN 33154 167 127 in in IN 33154 167 128 one one CD 33154 167 129 direction direction NN 33154 167 130 . . . 33154 168 1 At at IN 33154 168 2 the the DT 33154 168 3 same same JJ 33154 168 4 time time NN 33154 168 5 , , , 33154 168 6 the the DT 33154 168 7 other other JJ 33154 168 8 rod rod NN 33154 168 9 N N NNP 33154 168 10 ´ ´ CD 33154 168 11 has have VBZ 33154 168 12 passed pass VBN 33154 168 13 through through IN 33154 168 14 similar similar JJ 33154 168 15 phases phase NNS 33154 168 16 ; ; : 33154 168 17 and and CC 33154 168 18 its -PRON- PRP$ 33154 168 19 enveloping envelop VBG 33154 168 20 coil coil NN 33154 168 21 has have VBZ 33154 168 22 had have VBN 33154 168 23 a a DT 33154 168 24 current current NN 33154 168 25 of of IN 33154 168 26 electricity electricity NN 33154 168 27 induced induce VBN 33154 168 28 in in IN 33154 168 29 it -PRON- PRP 33154 168 30 in in IN 33154 168 31 the the DT 33154 168 32 same same JJ 33154 168 33 direction direction NN 33154 168 34 as as IN 33154 168 35 in in IN 33154 168 36 the the DT 33154 168 37 first first JJ 33154 168 38 coil coil NN 33154 168 39 . . . 33154 169 1 This this DT 33154 169 2 doubles double VBZ 33154 169 3 the the DT 33154 169 4 intensity intensity NN 33154 169 5 of of IN 33154 169 6 the the DT 33154 169 7 current current NN 33154 169 8 ; ; : 33154 169 9 and and CC 33154 169 10 the the DT 33154 169 11 whole whole NN 33154 169 12 is be VBZ 33154 169 13 conducted conduct VBN 33154 169 14 by by IN 33154 169 15 the the DT 33154 169 16 connecting connect VBG 33154 169 17 - - HYPH 33154 169 18 wires wire NNS 33154 169 19 where where WRB 33154 169 20 the the DT 33154 169 21 current current NN 33154 169 22 is be VBZ 33154 169 23 wanted want VBN 33154 169 24 . . . 33154 170 1 Machines machine NNS 33154 170 2 have have VBP 33154 170 3 been be VBN 33154 170 4 built build VBN 33154 170 5 upon upon IN 33154 170 6 this this DT 33154 170 7 plan plan NN 33154 170 8 , , , 33154 170 9 that that WDT 33154 170 10 contained contain VBD 33154 170 11 fifty fifty CD 33154 170 12 or or CC 33154 170 13 sixty sixty CD 33154 170 14 powerful powerful JJ 33154 170 15 compound compound NN 33154 170 16 permanent permanent JJ 33154 170 17 magnets magnet NNS 33154 170 18 , , , 33154 170 19 and and CC 33154 170 20 as as IN 33154 170 21 many many JJ 33154 170 22 wire wire NN 33154 170 23 coils coil NNS 33154 170 24 , , , 33154 170 25 needing need VBG 33154 170 26 a a DT 33154 170 27 steam steam NN 33154 170 28 - - HYPH 33154 170 29 engine engine NN 33154 170 30 of of IN 33154 170 31 eight eight CD 33154 170 32 or or CC 33154 170 33 ten ten CD 33154 170 34 horse horse NN 33154 170 35 - - HYPH 33154 170 36 power power NN 33154 170 37 to to TO 33154 170 38 run run VB 33154 170 39 them -PRON- PRP 33154 170 40 . . . 33154 171 1 A a DT 33154 171 2 less less RBR 33154 171 3 cumbersome cumbersome JJ 33154 171 4 and and CC 33154 171 5 much much RB 33154 171 6 more more RBR 33154 171 7 efficient efficient JJ 33154 171 8 magneto magneto NN 33154 171 9 - - HYPH 33154 171 10 electric electric JJ 33154 171 11 machine machine NN 33154 171 12 has have VBZ 33154 171 13 been be VBN 33154 171 14 made make VBN 33154 171 15 by by IN 33154 171 16 changing change VBG 33154 171 17 the the DT 33154 171 18 form form NN 33154 171 19 of of IN 33154 171 20 the the DT 33154 171 21 soft soft JJ 33154 171 22 iron iron NN 33154 171 23 armature armature NN 33154 171 24 to to IN 33154 171 25 something something NN 33154 171 26 like like IN 33154 171 27 a a DT 33154 171 28 shuttle shuttle NN 33154 171 29 , , , 33154 171 30 and and CC 33154 171 31 winding wind VBG 33154 171 32 the the DT 33154 171 33 wire wire NN 33154 171 34 inside inside RB 33154 171 35 of of IN 33154 171 36 it -PRON- PRP 33154 171 37 . . . 33154 172 1 This this DT 33154 172 2 is be VBZ 33154 172 3 called call VBN 33154 172 4 the the DT 33154 172 5 " " `` 33154 172 6 Siemen Siemen NNPS 33154 172 7 's 's POS 33154 172 8 Armature Armature NNP 33154 172 9 . . . 33154 172 10 " " '' 33154 173 1 The the DT 33154 173 2 latest late JJS 33154 173 3 pattern pattern NN 33154 173 4 of of IN 33154 173 5 such such JJ 33154 173 6 machines machine NNS 33154 173 7 is be VBZ 33154 173 8 known know VBN 33154 173 9 as as IN 33154 173 10 the the DT 33154 173 11 _ _ NNP 33154 173 12 Gramme Gramme NNP 33154 173 13 _ _ NNP 33154 173 14 ; ; : 33154 173 15 and and CC 33154 173 16 its -PRON- PRP$ 33154 173 17 peculiarity peculiarity NN 33154 173 18 consists consist VBZ 33154 173 19 in in IN 33154 173 20 the the DT 33154 173 21 substitution substitution NN 33154 173 22 of of IN 33154 173 23 a a DT 33154 173 24 broad broad JJ 33154 173 25 ring ring NN 33154 173 26 of of IN 33154 173 27 soft soft JJ 33154 173 28 iron iron NN 33154 173 29 for for IN 33154 173 30 the the DT 33154 173 31 armature armature NN 33154 173 32 . . . 33154 174 1 About about RB 33154 174 2 this this DT 33154 174 3 ring re VBG 33154 174 4 a a DT 33154 174 5 good good JJ 33154 174 6 many many JJ 33154 174 7 coils coil NNS 33154 174 8 , , , 33154 174 9 of of IN 33154 174 10 equal equal JJ 33154 174 11 lengths length NNS 33154 174 12 , , , 33154 174 13 of of IN 33154 174 14 insulated insulated JJ 33154 174 15 copper copper NN 33154 174 16 wire wire NN 33154 174 17 are be VBP 33154 174 18 wound wind VBN 33154 174 19 in in IN 33154 174 20 such such PDT 33154 174 21 a a DT 33154 174 22 manner manner NN 33154 174 23 that that IN 33154 174 24 one one CD 33154 174 25 - - HYPH 33154 174 26 half half NN 33154 174 27 of of IN 33154 174 28 any any DT 33154 174 29 turn turn NN 33154 174 30 in in IN 33154 174 31 the the DT 33154 174 32 wire wire NN 33154 174 33 goes go VBZ 33154 174 34 through through IN 33154 174 35 the the DT 33154 174 36 inside inside NN 33154 174 37 of of IN 33154 174 38 the the DT 33154 174 39 ring ring NN 33154 174 40 , , , 33154 174 41 making make VBG 33154 174 42 the the DT 33154 174 43 coils coil NNS 33154 174 44 longitudinal longitudinal JJ 33154 174 45 . . . 33154 175 1 The the DT 33154 175 2 whole whole NN 33154 175 3 of of IN 33154 175 4 the the DT 33154 175 5 armature armature NN 33154 175 6 thus thus RB 33154 175 7 prepared prepare VBN 33154 175 8 is be VBZ 33154 175 9 fixed fix VBN 33154 175 10 upon upon IN 33154 175 11 a a DT 33154 175 12 shaft shaft NN 33154 175 13 , , , 33154 175 14 so so IN 33154 175 15 as as IN 33154 175 16 to to TO 33154 175 17 permit permit VB 33154 175 18 rotation rotation NN 33154 175 19 , , , 33154 175 20 and and CC 33154 175 21 fixed fix VBN 33154 175 22 between between IN 33154 175 23 the the DT 33154 175 24 poles pole NNS 33154 175 25 of of IN 33154 175 26 a a DT 33154 175 27 powerful powerful JJ 33154 175 28 Jamin Jamin NNP 33154 175 29 magnet magnet NN 33154 175 30 . . . 33154 176 1 The the DT 33154 176 2 ends end NNS 33154 176 3 of of IN 33154 176 4 the the DT 33154 176 5 coils coil NNS 33154 176 6 are be VBP 33154 176 7 connected connect VBN 33154 176 8 with with IN 33154 176 9 conductors conductor NNS 33154 176 10 upon upon IN 33154 176 11 the the DT 33154 176 12 axis axi NNS 33154 176 13 ; ; : 33154 176 14 and and CC 33154 176 15 , , , 33154 176 16 when when WRB 33154 176 17 the the DT 33154 176 18 armature armature NN 33154 176 19 thus thus RB 33154 176 20 constructed construct VBN 33154 176 21 is be VBZ 33154 176 22 rotated rotate VBN 33154 176 23 , , , 33154 176 24 a a DT 33154 176 25 very very RB 33154 176 26 constant constant JJ 33154 176 27 and and CC 33154 176 28 powerful powerful JJ 33154 176 29 current current NN 33154 176 30 of of IN 33154 176 31 electricity electricity NN 33154 176 32 flows flow NNS 33154 176 33 in in IN 33154 176 34 a a DT 33154 176 35 single single JJ 33154 176 36 direction direction NN 33154 176 37 , , , 33154 176 38 unlike unlike IN 33154 176 39 the the DT 33154 176 40 other other JJ 33154 176 41 forms form NNS 33154 176 42 . . . 33154 177 1 It -PRON- PRP 33154 177 2 is be VBZ 33154 177 3 stated state VBN 33154 177 4 , , , 33154 177 5 that that IN 33154 177 6 , , , 33154 177 7 with with IN 33154 177 8 one one CD 33154 177 9 - - HYPH 33154 177 10 horse horse NN 33154 177 11 power power NN 33154 177 12 , , , 33154 177 13 a a DT 33154 177 14 light light NN 33154 177 15 can can MD 33154 177 16 be be VB 33154 177 17 obtained obtain VBN 33154 177 18 equal equal JJ 33154 177 19 to to IN 33154 177 20 that that DT 33154 177 21 from from IN 33154 177 22 a a DT 33154 177 23 battery battery NN 33154 177 24 of of IN 33154 177 25 fifty fifty CD 33154 177 26 Grove Grove NNP 33154 177 27 cells cell NNS 33154 177 28 . . . 33154 178 1 SECONDARY SECONDARY NNP 33154 178 2 CURRENTS current NNS 33154 178 3 . . . 33154 179 1 So so RB 33154 179 2 long long RB 33154 179 3 ago ago RB 33154 179 4 as as IN 33154 179 5 1836 1836 CD 33154 179 6 it -PRON- PRP 33154 179 7 was be VBD 33154 179 8 noticed notice VBN 33154 179 9 by by IN 33154 179 10 Prof. Prof. NNP 33154 180 1 Page page NN 33154 180 2 of of IN 33154 180 3 Salem Salem NNP 33154 180 4 , , , 33154 180 5 that that IN 33154 180 6 , , , 33154 180 7 whenever whenever WRB 33154 180 8 a a DT 33154 180 9 current current NN 33154 180 10 of of IN 33154 180 11 electricity electricity NN 33154 180 12 was be VBD 33154 180 13 made make VBN 33154 180 14 to to TO 33154 180 15 flow flow VB 33154 180 16 in in IN 33154 180 17 a a DT 33154 180 18 coil coil NN 33154 180 19 of of IN 33154 180 20 wire wire NN 33154 180 21 , , , 33154 180 22 another another DT 33154 180 23 current current NN 33154 180 24 in in IN 33154 180 25 the the DT 33154 180 26 opposite opposite JJ 33154 180 27 direction direction NN 33154 180 28 was be VBD 33154 180 29 induced induce VBN 33154 180 30 in in IN 33154 180 31 a a DT 33154 180 32 coil coil NN 33154 180 33 that that WDT 33154 180 34 was be VBD 33154 180 35 parallel parallel JJ 33154 180 36 with with IN 33154 180 37 the the DT 33154 180 38 first first JJ 33154 180 39 ; ; : 33154 180 40 and and CC 33154 180 41 also also RB 33154 180 42 , , , 33154 180 43 when when WRB 33154 180 44 the the DT 33154 180 45 current current NN 33154 180 46 in in IN 33154 180 47 the the DT 33154 180 48 first first JJ 33154 180 49 was be VBD 33154 180 50 broken break VBN 33154 180 51 , , , 33154 180 52 another another DT 33154 180 53 current current NN 33154 180 54 in in IN 33154 180 55 the the DT 33154 180 56 second second JJ 33154 180 57 coil coil NN 33154 180 58 would would MD 33154 180 59 flow flow VB 33154 180 60 in in IN 33154 180 61 the the DT 33154 180 62 opposite opposite JJ 33154 180 63 direction direction NN 33154 180 64 to to IN 33154 180 65 the the DT 33154 180 66 former former JJ 33154 180 67 one one NN 33154 180 68 . . . 33154 181 1 These these DT 33154 181 2 currents current NNS 33154 181 3 , , , 33154 181 4 which which WDT 33154 181 5 are be VBP 33154 181 6 called call VBN 33154 181 7 secondary secondary JJ 33154 181 8 currents current NNS 33154 181 9 , , , 33154 181 10 are be VBP 33154 181 11 very very RB 33154 181 12 transient transient JJ 33154 181 13 . . . 33154 182 1 No no DT 33154 182 2 current current NN 33154 182 3 at at IN 33154 182 4 all all DT 33154 182 5 flows flow NNS 33154 182 6 save save VB 33154 182 7 at at IN 33154 182 8 the the DT 33154 182 9 instant instant NN 33154 182 10 of of IN 33154 182 11 making make VBG 33154 182 12 or or CC 33154 182 13 breaking break VBG 33154 182 14 the the DT 33154 182 15 current current NN 33154 182 16 . . . 33154 183 1 In in IN 33154 183 2 this this DT 33154 183 3 respect respect NN 33154 183 4 , , , 33154 183 5 we -PRON- PRP 33154 183 6 are be VBP 33154 183 7 reminded remind VBN 33154 183 8 of of IN 33154 183 9 the the DT 33154 183 10 behavior behavior NN 33154 183 11 of of IN 33154 183 12 the the DT 33154 183 13 soft soft JJ 33154 183 14 iron iron NN 33154 183 15 within within IN 33154 183 16 the the DT 33154 183 17 coil coil NN 33154 183 18 , , , 33154 183 19 which which WDT 33154 183 20 gives give VBZ 33154 183 21 origin origin NN 33154 183 22 to to IN 33154 183 23 a a DT 33154 183 24 current current NN 33154 183 25 of of IN 33154 183 26 electricity electricity NN 33154 183 27 when when WRB 33154 183 28 it -PRON- PRP 33154 183 29 is be VBZ 33154 183 30 made make VBN 33154 183 31 to to TO 33154 183 32 approach approach VB 33154 183 33 a a DT 33154 183 34 magnet magnet NN 33154 183 35 or or CC 33154 183 36 recede recede NNS 33154 183 37 from from IN 33154 183 38 it -PRON- PRP 33154 183 39 , , , 33154 183 40 but but CC 33154 183 41 gives give VBZ 33154 183 42 no no DT 33154 183 43 current current NN 33154 183 44 so so RB 33154 183 45 long long RB 33154 183 46 as as IN 33154 183 47 it -PRON- PRP 33154 183 48 is be VBZ 33154 183 49 still still RB 33154 183 50 . . . 33154 184 1 These these DT 33154 184 2 secondary secondary JJ 33154 184 3 currents current NNS 33154 184 4 were be VBD 33154 184 5 investigated investigate VBN 33154 184 6 by by IN 33154 184 7 Prof. Prof. NNP 33154 184 8 Henry Henry NNP 33154 184 9 , , , 33154 184 10 resulting result VBG 33154 184 11 in in IN 33154 184 12 the the DT 33154 184 13 discovery discovery NN 33154 184 14 of of IN 33154 184 15 many many JJ 33154 184 16 curious curious JJ 33154 184 17 and and CC 33154 184 18 interesting interesting JJ 33154 184 19 phenomena phenomenon NNS 33154 184 20 . . . 33154 185 1 It -PRON- PRP 33154 185 2 will will MD 33154 185 3 be be VB 33154 185 4 sufficient sufficient JJ 33154 185 5 here here RB 33154 185 6 for for IN 33154 185 7 me -PRON- PRP 33154 185 8 to to TO 33154 185 9 refer refer VB 33154 185 10 to to IN 33154 185 11 what what WP 33154 185 12 are be VBP 33154 185 13 called call VBN 33154 185 14 induction induction NN 33154 185 15 coils coil NNS 33154 185 16 , , , 33154 185 17 which which WDT 33154 185 18 are be VBP 33154 185 19 developments development NNS 33154 185 20 of of IN 33154 185 21 the the DT 33154 185 22 principles principle NNS 33154 185 23 involved involve VBN 33154 185 24 in in IN 33154 185 25 electro electro NNP 33154 185 26 - - HYPH 33154 185 27 magnetism magnetism NN 33154 185 28 and and CC 33154 185 29 electro electro NNP 33154 185 30 - - HYPH 33154 185 31 induction induction NNP 33154 185 32 . . . 33154 186 1 Imagine imagine VB 33154 186 2 a a DT 33154 186 3 rod rod NN 33154 186 4 of of IN 33154 186 5 soft soft JJ 33154 186 6 iron iron NN 33154 186 7 of of IN 33154 186 8 any any DT 33154 186 9 size size NN 33154 186 10 to to TO 33154 186 11 be be VB 33154 186 12 wound wind VBN 33154 186 13 with with IN 33154 186 14 a a DT 33154 186 15 coil coil NN 33154 186 16 of of IN 33154 186 17 wire wire NN 33154 186 18 , , , 33154 186 19 the the DT 33154 186 20 ends end NNS 33154 186 21 of of IN 33154 186 22 the the DT 33154 186 23 wire wire NN 33154 186 24 to to TO 33154 186 25 be be VB 33154 186 26 so so RB 33154 186 27 left leave VBN 33154 186 28 that that IN 33154 186 29 they -PRON- PRP 33154 186 30 may may MD 33154 186 31 be be VB 33154 186 32 connected connect VBN 33154 186 33 with with IN 33154 186 34 a a DT 33154 186 35 galvanic galvanic JJ 33154 186 36 battery battery NN 33154 186 37 . . . 33154 187 1 Around around IN 33154 187 2 this this DT 33154 187 3 coil coil NN 33154 187 4 let let VB 33154 187 5 another another DT 33154 187 6 coil coil NN 33154 187 7 be be VB 33154 187 8 wound wind VBN 33154 187 9 of of IN 33154 187 10 very very RB 33154 187 11 fine fine JJ 33154 187 12 and and CC 33154 187 13 well well RB 33154 187 14 - - HYPH 33154 187 15 insulated insulate VBN 33154 187 16 wire wire NN 33154 187 17 ; ; : 33154 187 18 the the DT 33154 187 19 terminal terminal JJ 33154 187 20 wires wire NNS 33154 187 21 of of IN 33154 187 22 it -PRON- PRP 33154 187 23 to to TO 33154 187 24 be be VB 33154 187 25 left leave VBN 33154 187 26 adjustable adjustable JJ 33154 187 27 to to IN 33154 187 28 any any DT 33154 187 29 distance distance NN 33154 187 30 from from IN 33154 187 31 each each DT 33154 187 32 other other JJ 33154 187 33 . . . 33154 188 1 Now now RB 33154 188 2 , , , 33154 188 3 upon upon IN 33154 188 4 making make VBG 33154 188 5 connection connection NN 33154 188 6 with with IN 33154 188 7 a a DT 33154 188 8 battery battery NN 33154 188 9 to to IN 33154 188 10 the the DT 33154 188 11 primary primary JJ 33154 188 12 coil coil NN 33154 188 13 , , , 33154 188 14 there there EX 33154 188 15 will will MD 33154 188 16 be be VB 33154 188 17 two two CD 33154 188 18 results result NNS 33154 188 19 produced produce VBN 33154 188 20 simultaneously simultaneously RB 33154 188 21 . . . 33154 189 1 First first RB 33154 189 2 , , , 33154 189 3 the the DT 33154 189 4 soft soft JJ 33154 189 5 iron iron NN 33154 189 6 will will MD 33154 189 7 be be VB 33154 189 8 rendered render VBN 33154 189 9 magnetic magnetic JJ 33154 189 10 ; ; : 33154 189 11 and and CC 33154 189 12 , , , 33154 189 13 second second JJ 33154 189 14 , , , 33154 189 15 a a DT 33154 189 16 current current NN 33154 189 17 of of IN 33154 189 18 electricity electricity NN 33154 189 19 will will MD 33154 189 20 be be VB 33154 189 21 generated generate VBN 33154 189 22 in in IN 33154 189 23 the the DT 33154 189 24 secondary secondary JJ 33154 189 25 coil coil NN 33154 189 26 ; ; : 33154 189 27 and and CC 33154 189 28 the the DT 33154 189 29 strength strength NN 33154 189 30 of of IN 33154 189 31 this this DT 33154 189 32 secondary secondary JJ 33154 189 33 current current NN 33154 189 34 is be VBZ 33154 189 35 very very RB 33154 189 36 much much RB 33154 189 37 increased increase VBN 33154 189 38 by by IN 33154 189 39 the the DT 33154 189 40 inductive inductive JJ 33154 189 41 action action NN 33154 189 42 of of IN 33154 189 43 the the DT 33154 189 44 soft soft JJ 33154 189 45 iron iron NN 33154 189 46 that that WDT 33154 189 47 has have VBZ 33154 189 48 been be VBN 33154 189 49 made make VBN 33154 189 50 a a DT 33154 189 51 magnet magnet NN 33154 189 52 . . . 33154 190 1 When when WRB 33154 190 2 the the DT 33154 190 3 battery battery NN 33154 190 4 current current NN 33154 190 5 is be VBZ 33154 190 6 broken break VBN 33154 190 7 , , , 33154 190 8 the the DT 33154 190 9 iron iron NN 33154 190 10 loses lose VBZ 33154 190 11 its -PRON- PRP$ 33154 190 12 magnetism magnetism NN 33154 190 13 , , , 33154 190 14 and and CC 33154 190 15 a a DT 33154 190 16 current current NN 33154 190 17 of of IN 33154 190 18 electricity electricity NN 33154 190 19 is be VBZ 33154 190 20 again again RB 33154 190 21 started start VBN 33154 190 22 in in IN 33154 190 23 the the DT 33154 190 24 secondary secondary JJ 33154 190 25 coil coil NN 33154 190 26 in in IN 33154 190 27 the the DT 33154 190 28 opposite opposite JJ 33154 190 29 direction direction NN 33154 190 30 . . . 33154 191 1 The the DT 33154 191 2 energy energy NN 33154 191 3 of of IN 33154 191 4 this this DT 33154 191 5 derived derive VBN 33154 191 6 current current NN 33154 191 7 is be VBZ 33154 191 8 so so RB 33154 191 9 great great JJ 33154 191 10 that that IN 33154 191 11 it -PRON- PRP 33154 191 12 will will MD 33154 191 13 jump jump VB 33154 191 14 some some DT 33154 191 15 distance distance NN 33154 191 16 through through IN 33154 191 17 the the DT 33154 191 18 air air NN 33154 191 19 , , , 33154 191 20 and and CC 33154 191 21 thus thus RB 33154 191 22 is be VBZ 33154 191 23 apparently apparently RB 33154 191 24 unlike unlike IN 33154 191 25 the the DT 33154 191 26 electricity electricity NN 33154 191 27 that that WDT 33154 191 28 originates originate VBZ 33154 191 29 in in IN 33154 191 30 a a DT 33154 191 31 battery battery NN 33154 191 32 . . . 33154 192 1 An an DT 33154 192 2 induction induction NN 33154 192 3 coil coil NN 33154 192 4 made make VBN 33154 192 5 by by IN 33154 192 6 Mr. Mr. NNP 33154 192 7 Ritchie Ritchie NNP 33154 192 8 for for IN 33154 192 9 the the DT 33154 192 10 Stevens Stevens NNP 33154 192 11 Institute Institute NNP 33154 192 12 at at IN 33154 192 13 Hoboken Hoboken NNP 33154 192 14 , , , 33154 192 15 N.J. New Jersey NNP 33154 192 16 , , , 33154 192 17 has have VBZ 33154 192 18 a a DT 33154 192 19 primary primary JJ 33154 192 20 coil coil NN 33154 192 21 of of IN 33154 192 22 195 195 CD 33154 192 23 feet foot NNS 33154 192 24 of of IN 33154 192 25 No no UH 33154 192 26 . . . 33154 193 1 6 6 CD 33154 193 2 wire wire NN 33154 193 3 . . . 33154 194 1 The the DT 33154 194 2 secondary secondary JJ 33154 194 3 coil coil NN 33154 194 4 is be VBZ 33154 194 5 over over IN 33154 194 6 fifty fifty CD 33154 194 7 miles mile NNS 33154 194 8 in in IN 33154 194 9 length length NN 33154 194 10 , , , 33154 194 11 and and CC 33154 194 12 is be VBZ 33154 194 13 made make VBN 33154 194 14 of of IN 33154 194 15 No no UH 33154 194 16 . . . 33154 195 1 36 36 CD 33154 195 2 wire wire NN 33154 195 3 , , , 33154 195 4 which which WDT 33154 195 5 is be VBZ 33154 195 6 but but CC 33154 195 7 .005 .005 CD 33154 195 8 of of IN 33154 195 9 an an DT 33154 195 10 inch inch NN 33154 195 11 in in IN 33154 195 12 diameter diameter NN 33154 195 13 . . . 33154 196 1 This this DT 33154 196 2 instrument instrument NN 33154 196 3 has have VBZ 33154 196 4 given give VBN 33154 196 5 a a DT 33154 196 6 spark spark NN 33154 196 7 twenty twenty CD 33154 196 8 - - HYPH 33154 196 9 one one CD 33154 196 10 inches inch NNS 33154 196 11 in in IN 33154 196 12 length length NN 33154 196 13 , , , 33154 196 14 with with IN 33154 196 15 three three CD 33154 196 16 large large JJ 33154 196 17 cells cell NNS 33154 196 18 of of IN 33154 196 19 a a DT 33154 196 20 bichromate bichromate JJ 33154 196 21 battery battery NN 33154 196 22 . . . 33154 197 1 Mr. Mr. NNP 33154 197 2 Spottiswood Spottiswood NNP 33154 197 3 of of IN 33154 197 4 London London NNP 33154 197 5 has have VBZ 33154 197 6 just just RB 33154 197 7 had have VBN 33154 197 8 completed complete VBN 33154 197 9 for for IN 33154 197 10 him -PRON- PRP 33154 197 11 the the DT 33154 197 12 largest large JJS 33154 197 13 induction induction NN 33154 197 14 coil coil NN 33154 197 15 ever ever RB 33154 197 16 made make VBN 33154 197 17 . . . 33154 198 1 It -PRON- PRP 33154 198 2 has have VBZ 33154 198 3 two two CD 33154 198 4 primary primary JJ 33154 198 5 coils coil NNS 33154 198 6 , , , 33154 198 7 one one CD 33154 198 8 containing contain VBG 33154 198 9 sixty sixty CD 33154 198 10 - - HYPH 33154 198 11 seven seven CD 33154 198 12 pounds pound NNS 33154 198 13 of of IN 33154 198 14 wire wire NN 33154 198 15 , , , 33154 198 16 and and CC 33154 198 17 the the DT 33154 198 18 other other JJ 33154 198 19 eighty eighty CD 33154 198 20 - - HYPH 33154 198 21 four four CD 33154 198 22 pounds pound NNS 33154 198 23 , , , 33154 198 24 the the DT 33154 198 25 wire wire NN 33154 198 26 being be VBG 33154 198 27 .096 .096 CD 33154 198 28 inch inch NN 33154 198 29 in in IN 33154 198 30 diameter diameter NN 33154 198 31 . . . 33154 199 1 The the DT 33154 199 2 secondary secondary JJ 33154 199 3 coil coil NN 33154 199 4 is be VBZ 33154 199 5 two two CD 33154 199 6 hundred hundred CD 33154 199 7 and and CC 33154 199 8 eighty eighty CD 33154 199 9 miles mile NNS 33154 199 10 long long JJ 33154 199 11 , , , 33154 199 12 and and CC 33154 199 13 has have VBZ 33154 199 14 381,850 381,850 CD 33154 199 15 turns turn NNS 33154 199 16 . . . 33154 200 1 This this DT 33154 200 2 coil coil NN 33154 200 3 is be VBZ 33154 200 4 made make VBN 33154 200 5 in in IN 33154 200 6 three three CD 33154 200 7 parts part NNS 33154 200 8 , , , 33154 200 9 the the DT 33154 200 10 diameter diameter NN 33154 200 11 of of IN 33154 200 12 the the DT 33154 200 13 wire wire NN 33154 200 14 in in IN 33154 200 15 the the DT 33154 200 16 first first JJ 33154 200 17 part part NN 33154 200 18 being be VBG 33154 200 19 .0095 .0095 . 33154 200 20 inch inch NN 33154 200 21 ; ; , 33154 200 22 of of IN 33154 200 23 the the DT 33154 200 24 second second JJ 33154 200 25 part part NN 33154 200 26 , , , 33154 200 27 .015 .015 CD 33154 200 28 ; ; : 33154 200 29 and and CC 33154 200 30 the the DT 33154 200 31 third third JJ 33154 200 32 part part NN 33154 200 33 , , , 33154 200 34 .011 .011 CD 33154 200 35 . . . 33154 201 1 With with IN 33154 201 2 five five CD 33154 201 3 Grove Grove NNP 33154 201 4 cells cell NNS 33154 201 5 this this DT 33154 201 6 induction induction NN 33154 201 7 coil coil NN 33154 201 8 has have VBZ 33154 201 9 given give VBN 33154 201 10 a a DT 33154 201 11 spark spark NN 33154 201 12 forty forty CD 33154 201 13 - - HYPH 33154 201 14 two two CD 33154 201 15 inches inch NNS 33154 201 16 long long JJ 33154 201 17 , , , 33154 201 18 and and CC 33154 201 19 has have VBZ 33154 201 20 perforated perforate VBN 33154 201 21 glass glass NN 33154 201 22 three three CD 33154 201 23 inches inch NNS 33154 201 24 thick thick JJ 33154 201 25 . . . 33154 202 1 The the DT 33154 202 2 electricity electricity NN 33154 202 3 thus thus RB 33154 202 4 developed develop VBD 33154 202 5 in in IN 33154 202 6 secondary secondary JJ 33154 202 7 coils coil NNS 33154 202 8 is be VBZ 33154 202 9 of of IN 33154 202 10 the the DT 33154 202 11 same same JJ 33154 202 12 character character NN 33154 202 13 as as IN 33154 202 14 that that DT 33154 202 15 developed develop VBN 33154 202 16 by by IN 33154 202 17 friction friction NN 33154 202 18 ; ; : 33154 202 19 and and CC 33154 202 20 all all DT 33154 202 21 of of IN 33154 202 22 the the DT 33154 202 23 experiments experiment NNS 33154 202 24 usually usually RB 33154 202 25 performed perform VBN 33154 202 26 with with IN 33154 202 27 the the DT 33154 202 28 latter latter JJ 33154 202 29 may may MD 33154 202 30 be be VB 33154 202 31 repeated repeat VBN 33154 202 32 with with IN 33154 202 33 the the DT 33154 202 34 former former JJ 33154 202 35 , , , 33154 202 36 many many JJ 33154 202 37 of of IN 33154 202 38 them -PRON- PRP 33154 202 39 being be VBG 33154 202 40 greatly greatly RB 33154 202 41 heightened heighten VBN 33154 202 42 in in IN 33154 202 43 beauty beauty NN 33154 202 44 and and CC 33154 202 45 interest interest NN 33154 202 46 . . . 33154 203 1 Such such JJ 33154 203 2 , , , 33154 203 3 for for IN 33154 203 4 instance instance NN 33154 203 5 , , , 33154 203 6 are be VBP 33154 203 7 the the DT 33154 203 8 discharges discharge NNS 33154 203 9 in in IN 33154 203 10 vacuo vacuo NNS 33154 203 11 in in IN 33154 203 12 Geisler Geisler NNP 33154 203 13 tubes tube NNS 33154 203 14 , , , 33154 203 15 exhibiting exhibit VBG 33154 203 16 stratifications stratification NNS 33154 203 17 , , , 33154 203 18 fluorescence fluorescence NN 33154 203 19 , , , 33154 203 20 phosphorescence phosphorescence NN 33154 203 21 , , , 33154 203 22 the the DT 33154 203 23 production production NN 33154 203 24 of of IN 33154 203 25 ozone ozone NN 33154 203 26 in in IN 33154 203 27 great great JJ 33154 203 28 quantity quantity NN 33154 203 29 , , , 33154 203 30 decomposition decomposition NN 33154 203 31 of of IN 33154 203 32 chemical chemical JJ 33154 203 33 compounds compound NNS 33154 203 34 , , , 33154 203 35 & & CC 33154 203 36 c. c. NNP 33154 203 37 The the DT 33154 203 38 electricity electricity NN 33154 203 39 developed develop VBN 33154 203 40 by by IN 33154 203 41 friction friction NN 33154 203 42 upon upon IN 33154 203 43 glass glass NN 33154 203 44 , , , 33154 203 45 wax wax NN 33154 203 46 , , , 33154 203 47 resin resin NN 33154 203 48 , , , 33154 203 49 and and CC 33154 203 50 other other JJ 33154 203 51 so so RB 33154 203 52 - - HYPH 33154 203 53 called call VBN 33154 203 54 non non JJ 33154 203 55 - - NNS 33154 203 56 conductors conductor NNS 33154 203 57 , , , 33154 203 58 has have VBZ 33154 203 59 heretofore heretofore RB 33154 203 60 been be VBN 33154 203 61 called call VBN 33154 203 62 static static JJ 33154 203 63 electricity electricity NN 33154 203 64 , , , 33154 203 65 for for IN 33154 203 66 the the DT 33154 203 67 reason reason NN 33154 203 68 that that IN 33154 203 69 when when WRB 33154 203 70 it -PRON- PRP 33154 203 71 was be VBD 33154 203 72 once once RB 33154 203 73 originated originate VBN 33154 203 74 upon upon IN 33154 203 75 a a DT 33154 203 76 surface surface NN 33154 203 77 it -PRON- PRP 33154 203 78 would would MD 33154 203 79 remain remain VB 33154 203 80 upon upon IN 33154 203 81 it -PRON- PRP 33154 203 82 for for IN 33154 203 83 an an DT 33154 203 84 indefinite indefinite JJ 33154 203 85 time time NN 33154 203 86 , , , 33154 203 87 or or CC 33154 203 88 until until IN 33154 203 89 some some DT 33154 203 90 conducting conduct VBG 33154 203 91 body body NN 33154 203 92 touched touch VBD 33154 203 93 it -PRON- PRP 33154 203 94 , , , 33154 203 95 and and CC 33154 203 96 thus thus RB 33154 203 97 gave give VBD 33154 203 98 it -PRON- PRP 33154 203 99 a a DT 33154 203 100 way way NN 33154 203 101 of of IN 33154 203 102 escape escape NN 33154 203 103 . . . 33154 204 1 Thus thus RB 33154 204 2 , , , 33154 204 3 a a DT 33154 204 4 cake cake NN 33154 204 5 of of IN 33154 204 6 wax wax NN 33154 204 7 if if IN 33154 204 8 rubbed rub VBN 33154 204 9 with with IN 33154 204 10 a a DT 33154 204 11 piece piece NN 33154 204 12 of of IN 33154 204 13 flannel flannel NN 33154 204 14 , , , 33154 204 15 or or CC 33154 204 16 struck strike VBN 33154 204 17 with with IN 33154 204 18 a a DT 33154 204 19 cat cat NN 33154 204 20 - - HYPH 33154 204 21 skin skin NN 33154 204 22 or or CC 33154 204 23 a a DT 33154 204 24 fox fox NN 33154 204 25 - - HYPH 33154 204 26 tail tail NN 33154 204 27 becomes become VBZ 33154 204 28 highly highly RB 33154 204 29 electrified electrify VBN 33154 204 30 , , , 33154 204 31 and and CC 33154 204 32 in in IN 33154 204 33 a a DT 33154 204 34 dry dry JJ 33154 204 35 atmosphere atmosphere NN 33154 204 36 will will MD 33154 204 37 remain remain VB 33154 204 38 so so RB 33154 204 39 for for IN 33154 204 40 months month NNS 33154 204 41 . . . 33154 205 1 Common common JJ 33154 205 2 air air NN 33154 205 3 has have VBZ 33154 205 4 , , , 33154 205 5 however however RB 33154 205 6 , , , 33154 205 7 always always RB 33154 205 8 a a DT 33154 205 9 notable notable JJ 33154 205 10 quantity quantity NN 33154 205 11 of of IN 33154 205 12 moisture moisture NN 33154 205 13 in in IN 33154 205 14 it -PRON- PRP 33154 205 15 ; ; : 33154 205 16 and and CC 33154 205 17 , , , 33154 205 18 as as IN 33154 205 19 water water NN 33154 205 20 is be VBZ 33154 205 21 a a DT 33154 205 22 conductor conductor NN 33154 205 23 of of IN 33154 205 24 electricity electricity NN 33154 205 25 , , , 33154 205 26 such such JJ 33154 205 27 damp damp JJ 33154 205 28 air air NN 33154 205 29 moving move VBG 33154 205 30 over over IN 33154 205 31 the the DT 33154 205 32 electrified electrify VBN 33154 205 33 surface surface NN 33154 205 34 will will MD 33154 205 35 carry carry VB 33154 205 36 off off RP 33154 205 37 very very RB 33154 205 38 soon soon RB 33154 205 39 all all PDT 33154 205 40 the the DT 33154 205 41 electricity electricity NN 33154 205 42 . . . 33154 206 1 Again again RB 33154 206 2 , , , 33154 206 3 the the DT 33154 206 4 electricity electricity NN 33154 206 5 developed develop VBN 33154 206 6 through through IN 33154 206 7 chemical chemical JJ 33154 206 8 action action NN 33154 206 9 in in IN 33154 206 10 a a DT 33154 206 11 battery battery NN 33154 206 12 and and CC 33154 206 13 through through IN 33154 206 14 the the DT 33154 206 15 inter inter JJ 33154 206 16 - - NN 33154 206 17 action action NN 33154 206 18 of of IN 33154 206 19 magnets magnet NNS 33154 206 20 and and CC 33154 206 21 coils coil NNS 33154 206 22 of of IN 33154 206 23 wire wire NN 33154 206 24 has have VBZ 33154 206 25 been be VBN 33154 206 26 called call VBN 33154 206 27 dynamic dynamic JJ 33154 206 28 electricity electricity NN 33154 206 29 , , , 33154 206 30 inasmuch inasmuch JJ 33154 206 31 as as IN 33154 206 32 it -PRON- PRP 33154 206 33 never never RB 33154 206 34 appeared appear VBD 33154 206 35 to to TO 33154 206 36 exist exist VB 33154 206 37 save save VB 33154 206 38 when when WRB 33154 206 39 it -PRON- PRP 33154 206 40 was be VBD 33154 206 41 in in IN 33154 206 42 motion motion NN 33154 206 43 in in IN 33154 206 44 a a DT 33154 206 45 completed complete VBN 33154 206 46 circuit circuit NN 33154 206 47 . . . 33154 207 1 This this DT 33154 207 2 , , , 33154 207 3 however however RB 33154 207 4 , , , 33154 207 5 is be VBZ 33154 207 6 not not RB 33154 207 7 true true JJ 33154 207 8 ; ; : 33154 207 9 for for IN 33154 207 10 if if IN 33154 207 11 one one CD 33154 207 12 of of IN 33154 207 13 the the DT 33154 207 14 wires wire NNS 33154 207 15 from from IN 33154 207 16 a a DT 33154 207 17 galvanic galvanic JJ 33154 207 18 battery battery NN 33154 207 19 be be VB 33154 207 20 connected connect VBN 33154 207 21 with with IN 33154 207 22 the the DT 33154 207 23 earth earth NN 33154 207 24 , , , 33154 207 25 and and CC 33154 207 26 the the DT 33154 207 27 other other JJ 33154 207 28 wire wire NN 33154 207 29 be be VB 33154 207 30 attached attach VBN 33154 207 31 to to IN 33154 207 32 a a DT 33154 207 33 delicate delicate JJ 33154 207 34 electrometer electrometer NN 33154 207 35 , , , 33154 207 36 it -PRON- PRP 33154 207 37 will will MD 33154 207 38 be be VB 33154 207 39 found find VBN 33154 207 40 that that IN 33154 207 41 the the DT 33154 207 42 latter latter JJ 33154 207 43 gives give VBZ 33154 207 44 evidence evidence NN 33154 207 45 of of IN 33154 207 46 electrical electrical JJ 33154 207 47 excitement excitement NN 33154 207 48 in in IN 33154 207 49 the the DT 33154 207 50 same same JJ 33154 207 51 manner manner NN 33154 207 52 as as IN 33154 207 53 it -PRON- PRP 33154 207 54 does do VBZ 33154 207 55 for for IN 33154 207 56 the the DT 33154 207 57 electricity electricity NN 33154 207 58 developed develop VBN 33154 207 59 by by IN 33154 207 60 friction friction NN 33154 207 61 in in IN 33154 207 62 another another DT 33154 207 63 body body NN 33154 207 64 . . . 33154 208 1 This this DT 33154 208 2 is be VBZ 33154 208 3 sometimes sometimes RB 33154 208 4 called call VBN 33154 208 5 _ _ NNP 33154 208 6 tension tension NN 33154 208 7 _ _ NNP 33154 208 8 , , , 33154 208 9 and and CC 33154 208 10 is be VBZ 33154 208 11 very very RB 33154 208 12 slight slight JJ 33154 208 13 for for IN 33154 208 14 a a DT 33154 208 15 single single JJ 33154 208 16 cell cell NN 33154 208 17 ; ; : 33154 208 18 but but CC 33154 208 19 in in IN 33154 208 20 a a DT 33154 208 21 series series NN 33154 208 22 of of IN 33154 208 23 cells cell NNS 33154 208 24 it -PRON- PRP 33154 208 25 becomes become VBZ 33154 208 26 noticeable noticeable JJ 33154 208 27 in in IN 33154 208 28 other other JJ 33154 208 29 ways way NNS 33154 208 30 . . . 33154 209 1 Thus thus RB 33154 209 2 when when WRB 33154 209 3 the the DT 33154 209 4 terminals terminal NNS 33154 209 5 of of IN 33154 209 6 a a DT 33154 209 7 single single JJ 33154 209 8 cell cell NN 33154 209 9 are be VBP 33154 209 10 taken take VBN 33154 209 11 in in IN 33154 209 12 the the DT 33154 209 13 hands hand NNS 33154 209 14 , , , 33154 209 15 no no DT 33154 209 16 effect effect NN 33154 209 17 is be VBZ 33154 209 18 perceived perceive VBN 33154 209 19 : : : 33154 209 20 if if IN 33154 209 21 , , , 33154 209 22 however however RB 33154 209 23 , , , 33154 209 24 the the DT 33154 209 25 terminals terminal NNS 33154 209 26 of of IN 33154 209 27 a a DT 33154 209 28 battery battery NN 33154 209 29 consisting consist VBG 33154 209 30 of of IN 33154 209 31 forty forty CD 33154 209 32 or or CC 33154 209 33 fifty fifty CD 33154 209 34 cells cell NNS 33154 209 35 be be VB 33154 209 36 thus thus RB 33154 209 37 taken take VBN 33154 209 38 , , , 33154 209 39 a a DT 33154 209 40 decided decide VBN 33154 209 41 shock shock NN 33154 209 42 is be VBZ 33154 209 43 felt feel VBN 33154 209 44 , , , 33154 209 45 not not RB 33154 209 46 to to TO 33154 209 47 be be VB 33154 209 48 compared compare VBN 33154 209 49 though though RB 33154 209 50 with with IN 33154 209 51 the the DT 33154 209 52 shock shock NN 33154 209 53 that that WDT 33154 209 54 would would MD 33154 209 55 be be VB 33154 209 56 felt feel VBN 33154 209 57 from from IN 33154 209 58 the the DT 33154 209 59 discharge discharge NN 33154 209 60 of of IN 33154 209 61 a a DT 33154 209 62 very very RB 33154 209 63 small small JJ 33154 209 64 Leyden Leyden NNP 33154 209 65 jar jar NN 33154 209 66 . . . 33154 210 1 The the DT 33154 210 2 shock shock NN 33154 210 3 from from IN 33154 210 4 several several JJ 33154 210 5 hundred hundred CD 33154 210 6 cells cell NNS 33154 210 7 would would MD 33154 210 8 be be VB 33154 210 9 very very RB 33154 210 10 dangerous dangerous JJ 33154 210 11 . . . 33154 211 1 It -PRON- PRP 33154 211 2 was be VBD 33154 211 3 formerly formerly RB 33154 211 4 doubted doubt VBN 33154 211 5 that that IN 33154 211 6 the the DT 33154 211 7 electricity electricity NN 33154 211 8 would would MD 33154 211 9 pass pass VB 33154 211 10 between between IN 33154 211 11 the the DT 33154 211 12 terminals terminal NNS 33154 211 13 of of IN 33154 211 14 a a DT 33154 211 15 battery battery NN 33154 211 16 without without IN 33154 211 17 actual actual JJ 33154 211 18 contact contact NN 33154 211 19 of of IN 33154 211 20 the the DT 33154 211 21 terminals terminal NNS 33154 211 22 . . . 33154 212 1 Gassiot Gassiot NNP 33154 212 2 first first RB 33154 212 3 showed show VBD 33154 212 4 that that IN 33154 212 5 the the DT 33154 212 6 spark spark NN 33154 212 7 would would MD 33154 212 8 jump jump VB 33154 212 9 between between IN 33154 212 10 the the DT 33154 212 11 wires wire NNS 33154 212 12 of of IN 33154 212 13 a a DT 33154 212 14 battery battery NN 33154 212 15 of of IN 33154 212 16 a a DT 33154 212 17 large large JJ 33154 212 18 number number NN 33154 212 19 of of IN 33154 212 20 cells cell NNS 33154 212 21 before before IN 33154 212 22 actual actual JJ 33154 212 23 contact contact NN 33154 212 24 was be VBD 33154 212 25 made make VBN 33154 212 26 . . . 33154 213 1 Latterly latterly RB 33154 213 2 Mr. Mr. NNP 33154 213 3 De De NNP 33154 213 4 La La NNP 33154 213 5 Rue Rue NNP 33154 213 6 has have VBZ 33154 213 7 been be VBN 33154 213 8 measuring measure VBG 33154 213 9 the the DT 33154 213 10 distance distance NN 33154 213 11 across across IN 33154 213 12 which which WDT 33154 213 13 the the DT 33154 213 14 spark spark NN 33154 213 15 would would MD 33154 213 16 jump jump VB 33154 213 17 , , , 33154 213 18 using use VBG 33154 213 19 a a DT 33154 213 20 battery battery NN 33154 213 21 of of IN 33154 213 22 a a DT 33154 213 23 large large JJ 33154 213 24 number number NN 33154 213 25 of of IN 33154 213 26 cells cell NNS 33154 213 27 . . . 33154 214 1 I -PRON- PRP 33154 214 2 give give VBP 33154 214 3 his -PRON- PRP$ 33154 214 4 table table NN 33154 214 5 as as IN 33154 214 6 taken take VBN 33154 214 7 from from IN 33154 214 8 the the DT 33154 214 9 " " `` 33154 214 10 Proceedings Proceedings NNP 33154 214 11 of of IN 33154 214 12 the the DT 33154 214 13 Royal Royal NNP 33154 214 14 Society:"-- Society:"-- NNP 33154 214 15 Cells Cells NNPS 33154 214 16 . . . 33154 215 1 Striking strike VBG 33154 215 2 distance distance NN 33154 215 3 . . . 33154 216 1 600 600 CD 33154 216 2 .0033 .0033 . 33154 216 3 inch inch NN 33154 216 4 . . . 33154 217 1 1,200 1,200 CD 33154 217 2 .0130 .0130 . 33154 217 3 " " `` 33154 217 4 1,800 1,800 CD 33154 217 5 .0345 .0345 . 33154 217 6 " " '' 33154 217 7 2,400 2,400 CD 33154 217 8 .0535 .0535 . 33154 217 9 " " `` 33154 217 10 This this DT 33154 217 11 table table NN 33154 217 12 shows show VBZ 33154 217 13 that that IN 33154 217 14 the the DT 33154 217 15 striking striking JJ 33154 217 16 distance distance NN 33154 217 17 is be VBZ 33154 217 18 very very RB 33154 217 19 nearly nearly RB 33154 217 20 as as IN 33154 217 21 the the DT 33154 217 22 square square NN 33154 217 23 of of IN 33154 217 24 the the DT 33154 217 25 number number NN 33154 217 26 of of IN 33154 217 27 cells cell NNS 33154 217 28 . . . 33154 218 1 Thus thus RB 33154 218 2 , , , 33154 218 3 with with IN 33154 218 4 600 600 CD 33154 218 5 cells cell NNS 33154 218 6 the the DT 33154 218 7 spark spark NN 33154 218 8 jumped jump VBD 33154 218 9 .0033 .0033 . 33154 218 10 inch inch NN 33154 218 11 ; ; , 33154 218 12 and and CC 33154 218 13 with with IN 33154 218 14 double double PDT 33154 218 15 the the DT 33154 218 16 number number NN 33154 218 17 of of IN 33154 218 18 cells cell NNS 33154 218 19 , , , 33154 218 20 1,200 1,200 CD 33154 218 21 , , , 33154 218 22 the the DT 33154 218 23 spark spark NN 33154 218 24 jumped jump VBD 33154 218 25 .0130 .0130 . 33154 218 26 inch inch NN 33154 218 27 , , , 33154 218 28 or or CC 33154 218 29 within within IN 33154 218 30 .0002 .0002 NN 33154 218 31 of of IN 33154 218 32 an an DT 33154 218 33 inch inch NN 33154 218 34 as as RB 33154 218 35 far far RB 33154 218 36 as as IN 33154 218 37 four four CD 33154 218 38 times time NNS 33154 218 39 the the DT 33154 218 40 first first JJ 33154 218 41 distance distance NN 33154 218 42 . . . 33154 219 1 This this DT 33154 219 2 leads lead VBZ 33154 219 3 one one PRP 33154 219 4 to to TO 33154 219 5 ask ask VB 33154 219 6 how how WRB 33154 219 7 big big JJ 33154 219 8 a a DT 33154 219 9 battery battery NN 33154 219 10 would would MD 33154 219 11 be be VB 33154 219 12 needed need VBN 33154 219 13 to to TO 33154 219 14 give give VB 33154 219 15 a a DT 33154 219 16 spark spark NN 33154 219 17 of of IN 33154 219 18 any any DT 33154 219 19 given give VBN 33154 219 20 length length NN 33154 219 21 , , , 33154 219 22 say say VBP 33154 219 23 like like IN 33154 219 24 a a DT 33154 219 25 flash flash NN 33154 219 26 of of IN 33154 219 27 lightning lightning NN 33154 219 28 . . . 33154 220 1 One one CD 33154 220 2 cell cell NN 33154 220 3 would would MD 33154 220 4 give give VB 33154 220 5 a a DT 33154 220 6 spark spark NN 33154 220 7 .00000001 .00000001 . 33154 220 8 inch inch NN 33154 220 9 long long JJ 33154 220 10 , , , 33154 220 11 and and CC 33154 220 12 a a DT 33154 220 13 hundred hundred CD 33154 220 14 thousand thousand CD 33154 220 15 would would MD 33154 220 16 give give VB 33154 220 17 a a DT 33154 220 18 spark spark NN 33154 220 19 92 92 CD 33154 220 20 inches inch NNS 33154 220 21 long long JJ 33154 220 22 . . . 33154 221 1 A a DT 33154 221 2 million million CD 33154 221 3 cells cell NNS 33154 221 4 would would MD 33154 221 5 give give VB 33154 221 6 a a DT 33154 221 7 spark spark NN 33154 221 8 764 764 CD 33154 221 9 feet foot NNS 33154 221 10 long long JJ 33154 221 11 , , , 33154 221 12 a a DT 33154 221 13 veritable veritable JJ 33154 221 14 flash flash NN 33154 221 15 of of IN 33154 221 16 lightning lightning NN 33154 221 17 . . . 33154 222 1 It -PRON- PRP 33154 222 2 is be VBZ 33154 222 3 hardly hardly RB 33154 222 4 probable probable JJ 33154 222 5 that that IN 33154 222 6 so so RB 33154 222 7 many many JJ 33154 222 8 as as IN 33154 222 9 a a DT 33154 222 10 million million CD 33154 222 11 cells cell NNS 33154 222 12 will will MD 33154 222 13 ever ever RB 33154 222 14 be be VB 33154 222 15 made make VBN 33154 222 16 into into IN 33154 222 17 one one CD 33154 222 18 connected connect VBN 33154 222 19 battery battery NN 33154 222 20 , , , 33154 222 21 but but CC 33154 222 22 it -PRON- PRP 33154 222 23 is be VBZ 33154 222 24 not not RB 33154 222 25 improbable improbable JJ 33154 222 26 that that IN 33154 222 27 a a DT 33154 222 28 hundred hundred CD 33154 222 29 thousand thousand CD 33154 222 30 cells cell NNS 33154 222 31 may may MD 33154 222 32 be be VB 33154 222 33 . . . 33154 223 1 De De NNP 33154 223 2 La La NNP 33154 223 3 Rue Rue NNP 33154 223 4 has have VBZ 33154 223 5 since since RB 33154 223 6 completed complete VBN 33154 223 7 8,040 8,040 CD 33154 223 8 cells cell NNS 33154 223 9 , , , 33154 223 10 and and CC 33154 223 11 finds find VBZ 33154 223 12 that that IN 33154 223 13 the the DT 33154 223 14 striking striking JJ 33154 223 15 distance distance NN 33154 223 16 of of IN 33154 223 17 that that DT 33154 223 18 number number NN 33154 223 19 is be VBZ 33154 223 20 0.345 0.345 CD 33154 223 21 inch inch NN 33154 223 22 , , , 33154 223 23 a a DT 33154 223 24 little little JJ 33154 223 25 more more JJR 33154 223 26 than than IN 33154 223 27 one one CD 33154 223 28 - - HYPH 33154 223 29 third third NN 33154 223 30 of of IN 33154 223 31 an an DT 33154 223 32 inch inch NN 33154 223 33 . . . 33154 224 1 He -PRON- PRP 33154 224 2 also also RB 33154 224 3 states state VBZ 33154 224 4 that that IN 33154 224 5 the the DT 33154 224 6 striking striking JJ 33154 224 7 distance distance NN 33154 224 8 increases increase VBZ 33154 224 9 faster fast RBR 33154 224 10 than than IN 33154 224 11 the the DT 33154 224 12 above above RB 33154 224 13 indicated indicate VBN 33154 224 14 ratio ratio NN 33154 224 15 , , , 33154 224 16 as as IN 33154 224 17 determined determine VBN 33154 224 18 by by IN 33154 224 19 experimenting experiment VBG 33154 224 20 with with IN 33154 224 21 a a DT 33154 224 22 still still RB 33154 224 23 larger large JJR 33154 224 24 number number NN 33154 224 25 of of IN 33154 224 26 cells cell NNS 33154 224 27 . . . 33154 225 1 These these DT 33154 225 2 experiments experiment NNS 33154 225 3 and and CC 33154 225 4 many many JJ 33154 225 5 others other NNS 33154 225 6 show show VBP 33154 225 7 that that IN 33154 225 8 there there EX 33154 225 9 is be VBZ 33154 225 10 no no DT 33154 225 11 essential essential JJ 33154 225 12 difference difference NN 33154 225 13 between between IN 33154 225 14 the the DT 33154 225 15 so so RB 33154 225 16 - - HYPH 33154 225 17 called call VBN 33154 225 18 static static JJ 33154 225 19 and and CC 33154 225 20 dynamic dynamic JJ 33154 225 21 electricity electricity NN 33154 225 22 . . . 33154 226 1 In in IN 33154 226 2 the the DT 33154 226 3 one one CD 33154 226 4 case case NN 33154 226 5 it -PRON- PRP 33154 226 6 is be VBZ 33154 226 7 developed develop VBN 33154 226 8 upon upon IN 33154 226 9 a a DT 33154 226 10 surface surface NN 33154 226 11 which which WDT 33154 226 12 has have VBZ 33154 226 13 such such PDT 33154 226 14 a a DT 33154 226 15 molecular molecular JJ 33154 226 16 character character NN 33154 226 17 that that IN 33154 226 18 it -PRON- PRP 33154 226 19 can can MD 33154 226 20 not not RB 33154 226 21 be be VB 33154 226 22 conducted conduct VBN 33154 226 23 away away RB 33154 226 24 , , , 33154 226 25 every every DT 33154 226 26 surface surface NN 33154 226 27 molecule molecule NN 33154 226 28 being be VBG 33154 226 29 practically practically RB 33154 226 30 a a DT 33154 226 31 little little JJ 33154 226 32 battery battery NN 33154 226 33 cell cell NN 33154 226 34 with with IN 33154 226 35 one one CD 33154 226 36 terminal terminal NN 33154 226 37 free free JJ 33154 226 38 in in IN 33154 226 39 the the DT 33154 226 40 air air NN 33154 226 41 , , , 33154 226 42 so so IN 33154 226 43 that that IN 33154 226 44 when when WRB 33154 226 45 a a DT 33154 226 46 proper proper JJ 33154 226 47 conductor conductor NN 33154 226 48 approaches approach VBZ 33154 226 49 the the DT 33154 226 50 surface surface NN 33154 226 51 it -PRON- PRP 33154 226 52 receives receive VBZ 33154 226 53 the the DT 33154 226 54 electricity electricity NN 33154 226 55 from from IN 33154 226 56 millions million NNS 33154 226 57 of of IN 33154 226 58 cells cell NNS 33154 226 59 , , , 33154 226 60 and and CC 33154 226 61 therefore therefore RB 33154 226 62 becomes become VBZ 33154 226 63 strongly strongly RB 33154 226 64 electrified electrify VBN 33154 226 65 so so IN 33154 226 66 that that IN 33154 226 67 a a DT 33154 226 68 spark spark NN 33154 226 69 may may MD 33154 226 70 at at IN 33154 226 71 once once RB 33154 226 72 be be VB 33154 226 73 drawn draw VBN 33154 226 74 from from IN 33154 226 75 it -PRON- PRP 33154 226 76 . . . 33154 227 1 WHAT what WP 33154 227 2 IS be VBZ 33154 227 3 ELECTRICITY ELECTRICITY NNP 33154 227 4 ? ? . 33154 228 1 THEORIES theory NNS 33154 228 2 . . . 33154 229 1 NUMEROUS NUMEROUS NNP 33154 229 2 attempts attempt NNS 33154 229 3 have have VBP 33154 229 4 been be VBN 33154 229 5 made make VBN 33154 229 6 to to TO 33154 229 7 explain explain VB 33154 229 8 the the DT 33154 229 9 phenomena phenomenon NNS 33154 229 10 of of IN 33154 229 11 electricity electricity NN 33154 229 12 . . . 33154 230 1 As as IN 33154 230 2 a a DT 33154 230 3 general general JJ 33154 230 4 thing thing NN 33154 230 5 , , , 33154 230 6 these these DT 33154 230 7 phenomena phenomenon NNS 33154 230 8 are be VBP 33154 230 9 so so RB 33154 230 10 utterly utterly RB 33154 230 11 unlike unlike IN 33154 230 12 other other JJ 33154 230 13 phenomena phenomenon NNS 33154 230 14 that that WDT 33154 230 15 have have VBP 33154 230 16 been be VBN 33154 230 17 explained explain VBN 33154 230 18 and and CC 33154 230 19 are be VBP 33154 230 20 easily easily RB 33154 230 21 intelligible intelligible JJ 33154 230 22 , , , 33154 230 23 that that IN 33154 230 24 it -PRON- PRP 33154 230 25 has have VBZ 33154 230 26 quite quite RB 33154 230 27 generally generally RB 33154 230 28 been be VBN 33154 230 29 taken take VBN 33154 230 30 for for IN 33154 230 31 granted grant VBN 33154 230 32 , , , 33154 230 33 until until IN 33154 230 34 lately lately RB 33154 230 35 , , , 33154 230 36 that that IN 33154 230 37 something something NN 33154 230 38 very very RB 33154 230 39 different different JJ 33154 230 40 from from IN 33154 230 41 ordinary ordinary JJ 33154 230 42 matter matter NN 33154 230 43 and and CC 33154 230 44 the the DT 33154 230 45 laws law NNS 33154 230 46 of of IN 33154 230 47 forces force NNS 33154 230 48 applicable applicable JJ 33154 230 49 to to IN 33154 230 50 it -PRON- PRP 33154 230 51 must must MD 33154 230 52 be be VB 33154 230 53 involved involve VBN 33154 230 54 in in IN 33154 230 55 the the DT 33154 230 56 phenomena phenomena NN 33154 230 57 themselves -PRON- PRP 33154 230 58 . . . 33154 231 1 Consequently consequently RB 33154 231 2 the the DT 33154 231 3 term term NN 33154 231 4 _ _ NNP 33154 231 5 imponderable imponderable JJ 33154 231 6 _ _ NNP 33154 231 7 was be VBD 33154 231 8 applied apply VBN 33154 231 9 to to IN 33154 231 10 it,--something it,--something NN 33154 231 11 that that WDT 33154 231 12 was be VBD 33154 231 13 matter matter NN 33154 231 14 minus minus CC 33154 231 15 some some DT 33154 231 16 of of IN 33154 231 17 the the DT 33154 231 18 essentials essential NNS 33154 231 19 of of IN 33154 231 20 matter matter NN 33154 231 21 ; ; : 33154 231 22 and and CC 33154 231 23 as as IN 33154 231 24 it -PRON- PRP 33154 231 25 was be VBD 33154 231 26 apparent apparent JJ 33154 231 27 that that IN 33154 231 28 , , , 33154 231 29 whatever whatever WDT 33154 231 30 it -PRON- PRP 33154 231 31 was be VBD 33154 231 32 , , , 33154 231 33 it -PRON- PRP 33154 231 34 moved move VBD 33154 231 35 , , , 33154 231 36 apparently apparently RB 33154 231 37 flowed flow VBD 33154 231 38 , , , 33154 231 39 from from IN 33154 231 40 one one CD 33154 231 41 place place NN 33154 231 42 to to IN 33154 231 43 another another DT 33154 231 44 , , , 33154 231 45 the the DT 33154 231 46 term term NN 33154 231 47 _ _ NNP 33154 231 48 fluid fluid NN 33154 231 49 _ _ NNP 33154 231 50 was be VBD 33154 231 51 applied apply VBN 33154 231 52 to to IN 33154 231 53 it -PRON- PRP 33154 231 54 , , , 33154 231 55 a a DT 33154 231 56 term term NN 33154 231 57 descriptive descriptive JJ 33154 231 58 of of IN 33154 231 59 a a DT 33154 231 60 certain certain JJ 33154 231 61 form form NN 33154 231 62 of of IN 33154 231 63 matter matter NN 33154 231 64 . . . 33154 232 1 Imponderable imponderable JJ 33154 232 2 fluid fluid NN 33154 232 3 was be VBD 33154 232 4 the the DT 33154 232 5 descriptive descriptive JJ 33154 232 6 name name NN 33154 232 7 applied apply VBN 33154 232 8 to to IN 33154 232 9 electricity electricity NN 33154 232 10 . . . 33154 233 1 Newton Newton NNP 33154 233 2 supposed suppose VBD 33154 233 3 that that IN 33154 233 4 an an DT 33154 233 5 excited excited JJ 33154 233 6 body body NN 33154 233 7 emitted emit VBD 33154 233 8 such such PDT 33154 233 9 a a DT 33154 233 10 fluid fluid NN 33154 233 11 that that WDT 33154 233 12 could could MD 33154 233 13 penetrate penetrate VB 33154 233 14 glass glass NN 33154 233 15 . . . 33154 234 1 When when WRB 33154 234 2 the the DT 33154 234 3 two two CD 33154 234 4 facts fact NNS 33154 234 5 of of IN 33154 234 6 electrical electrical JJ 33154 234 7 attraction attraction NN 33154 234 8 and and CC 33154 234 9 repulsion repulsion NN 33154 234 10 had have VBD 33154 234 11 to to TO 33154 234 12 be be VB 33154 234 13 accounted account VBN 33154 234 14 for for IN 33154 234 15 , , , 33154 234 16 two two CD 33154 234 17 theories theory NNS 33154 234 18 were be VBD 33154 234 19 propounded,--one propounded,--one VBN 33154 234 20 by by IN 33154 234 21 Benjamin Benjamin NNP 33154 234 22 Franklin Franklin NNP 33154 234 23 , , , 33154 234 24 the the DT 33154 234 25 other other JJ 33154 234 26 by by IN 33154 234 27 Dufay Dufay NNP 33154 234 28 . . . 33154 235 1 Franklin Franklin NNP 33154 235 2 supposed suppose VBD 33154 235 3 that that IN 33154 235 4 electricity electricity NN 33154 235 5 was be VBD 33154 235 6 a a DT 33154 235 7 subtle subtle JJ 33154 235 8 , , , 33154 235 9 imponderable imponderable JJ 33154 235 10 fluid fluid NN 33154 235 11 , , , 33154 235 12 of of IN 33154 235 13 which which WDT 33154 235 14 all all DT 33154 235 15 bodies body NNS 33154 235 16 contained contain VBD 33154 235 17 a a DT 33154 235 18 certain certain JJ 33154 235 19 normal normal JJ 33154 235 20 quantity quantity NN 33154 235 21 . . . 33154 236 1 By by IN 33154 236 2 friction friction NN 33154 236 3 or or CC 33154 236 4 otherwise otherwise RB 33154 236 5 this this DT 33154 236 6 normal normal JJ 33154 236 7 quantity quantity NN 33154 236 8 was be VBD 33154 236 9 disturbed disturb VBN 33154 236 10 . . . 33154 237 1 If if IN 33154 237 2 a a DT 33154 237 3 body body NN 33154 237 4 received receive VBD 33154 237 5 more more JJR 33154 237 6 than than IN 33154 237 7 its -PRON- PRP$ 33154 237 8 due due JJ 33154 237 9 share share NN 33154 237 10 , , , 33154 237 11 it -PRON- PRP 33154 237 12 was be VBD 33154 237 13 said say VBN 33154 237 14 to to TO 33154 237 15 be be VB 33154 237 16 positively positively RB 33154 237 17 electrified electrify VBN 33154 237 18 : : : 33154 237 19 if if IN 33154 237 20 it -PRON- PRP 33154 237 21 had have VBD 33154 237 22 less less JJR 33154 237 23 than than IN 33154 237 24 its -PRON- PRP$ 33154 237 25 normal normal JJ 33154 237 26 quantity quantity NN 33154 237 27 , , , 33154 237 28 it -PRON- PRP 33154 237 29 was be VBD 33154 237 30 said say VBN 33154 237 31 to to TO 33154 237 32 be be VB 33154 237 33 negatively negatively RB 33154 237 34 electrified electrify VBN 33154 237 35 . . . 33154 238 1 Franklin Franklin NNP 33154 238 2 supposed suppose VBD 33154 238 3 this this DT 33154 238 4 electric electric JJ 33154 238 5 fluid fluid NN 33154 238 6 to to TO 33154 238 7 be be VB 33154 238 8 highly highly RB 33154 238 9 self self NN 33154 238 10 - - HYPH 33154 238 11 repulsive repulsive JJ 33154 238 12 , , , 33154 238 13 and and CC 33154 238 14 that that IN 33154 238 15 it -PRON- PRP 33154 238 16 powerfully powerfully RB 33154 238 17 attracted attract VBD 33154 238 18 the the DT 33154 238 19 particles particle NNS 33154 238 20 of of IN 33154 238 21 matter matter NN 33154 238 22 . . . 33154 239 1 According accord VBG 33154 239 2 to to IN 33154 239 3 Dufay Dufay NNP 33154 239 4 , , , 33154 239 5 there there EX 33154 239 6 are be VBP 33154 239 7 two two CD 33154 239 8 electric electric JJ 33154 239 9 fluids fluid NNS 33154 239 10 , , , 33154 239 11 opposite opposite JJ 33154 239 12 in in IN 33154 239 13 tendency tendency NN 33154 239 14 but but CC 33154 239 15 equal equal JJ 33154 239 16 in in IN 33154 239 17 amount amount NN 33154 239 18 . . . 33154 240 1 When when WRB 33154 240 2 associated associate VBN 33154 240 3 together together RB 33154 240 4 in in IN 33154 240 5 equal equal JJ 33154 240 6 quantities quantity NNS 33154 240 7 , , , 33154 240 8 they -PRON- PRP 33154 240 9 neutralize neutralize VBP 33154 240 10 each each DT 33154 240 11 other other JJ 33154 240 12 completely completely RB 33154 240 13 . . . 33154 241 1 A a DT 33154 241 2 portion portion NN 33154 241 3 of of IN 33154 241 4 this this DT 33154 241 5 neutral neutral JJ 33154 241 6 compound compound NN 33154 241 7 fluid fluid NN 33154 241 8 pervades pervade NNS 33154 241 9 all all DT 33154 241 10 matter matter NN 33154 241 11 in in IN 33154 241 12 its -PRON- PRP$ 33154 241 13 unexcited unexcited JJ 33154 241 14 state state NN 33154 241 15 . . . 33154 242 1 By by IN 33154 242 2 friction friction NN 33154 242 3 or or CC 33154 242 4 otherwise otherwise RB 33154 242 5 this this DT 33154 242 6 compound compound NN 33154 242 7 fluid fluid NN 33154 242 8 is be VBZ 33154 242 9 decomposed decompose VBN 33154 242 10 , , , 33154 242 11 the the DT 33154 242 12 rubber rubber NN 33154 242 13 and and CC 33154 242 14 the the DT 33154 242 15 body body NN 33154 242 16 rubbed rub VBD 33154 242 17 exchanging exchange VBG 33154 242 18 equal equal JJ 33154 242 19 quantities quantity NNS 33154 242 20 of of IN 33154 242 21 opposite opposite JJ 33154 242 22 kinds kind NNS 33154 242 23 with with IN 33154 242 24 each each DT 33154 242 25 other other JJ 33154 242 26 , , , 33154 242 27 leaving leave VBG 33154 242 28 one one CD 33154 242 29 of of IN 33154 242 30 them -PRON- PRP 33154 242 31 positively positively RB 33154 242 32 , , , 33154 242 33 the the DT 33154 242 34 other other JJ 33154 242 35 negatively negatively RB 33154 242 36 electrified electrify VBN 33154 242 37 . . . 33154 243 1 These these DT 33154 243 2 two two CD 33154 243 3 fluids fluid NNS 33154 243 4 were be VBD 33154 243 5 supposed suppose VBN 33154 243 6 to to TO 33154 243 7 be be VB 33154 243 8 self self NN 33154 243 9 - - HYPH 33154 243 10 repulsive repulsive JJ 33154 243 11 , , , 33154 243 12 but but CC 33154 243 13 to to TO 33154 243 14 attract attract VB 33154 243 15 each each DT 33154 243 16 other other JJ 33154 243 17 : : : 33154 243 18 so so IN 33154 243 19 that that IN 33154 243 20 , , , 33154 243 21 if if IN 33154 243 22 two two CD 33154 243 23 bodies body NNS 33154 243 24 be be VB 33154 243 25 charged charge VBN 33154 243 26 with with IN 33154 243 27 either either CC 33154 243 28 positive positive JJ 33154 243 29 or or CC 33154 243 30 negative negative JJ 33154 243 31 electricity electricity NN 33154 243 32 , , , 33154 243 33 such such JJ 33154 243 34 bodies body NNS 33154 243 35 would would MD 33154 243 36 mutually mutually RB 33154 243 37 repel repel VB 33154 243 38 each each DT 33154 243 39 other other JJ 33154 243 40 ; ; : 33154 243 41 but but CC 33154 243 42 if if IN 33154 243 43 one one CD 33154 243 44 was be VBD 33154 243 45 charged charge VBN 33154 243 46 with with IN 33154 243 47 positive positive JJ 33154 243 48 , , , 33154 243 49 while while IN 33154 243 50 the the DT 33154 243 51 other other JJ 33154 243 52 was be VBD 33154 243 53 charged charge VBN 33154 243 54 with with IN 33154 243 55 negative negative JJ 33154 243 56 electricity electricity NN 33154 243 57 , , , 33154 243 58 the the DT 33154 243 59 two two CD 33154 243 60 bodies body NNS 33154 243 61 would would MD 33154 243 62 mutually mutually RB 33154 243 63 attract attract VB 33154 243 64 each each DT 33154 243 65 other other JJ 33154 243 66 . . . 33154 244 1 Either either CC 33154 244 2 of of IN 33154 244 3 these these DT 33154 244 4 two two CD 33154 244 5 theories theory NNS 33154 244 6 may may MD 33154 244 7 be be VB 33154 244 8 used use VBN 33154 244 9 to to TO 33154 244 10 illustrate illustrate VB 33154 244 11 the the DT 33154 244 12 phenomena phenomenon NNS 33154 244 13 , , , 33154 244 14 and and CC 33154 244 15 so so RB 33154 244 16 have have VBP 33154 244 17 done do VBN 33154 244 18 good good JJ 33154 244 19 service service NN 33154 244 20 in in IN 33154 244 21 systematizing systematize VBG 33154 244 22 the the DT 33154 244 23 facts fact NNS 33154 244 24 . . . 33154 245 1 It -PRON- PRP 33154 245 2 is be VBZ 33154 245 3 evident evident JJ 33154 245 4 that that IN 33154 245 5 both both DT 33154 245 6 of of IN 33154 245 7 them -PRON- PRP 33154 245 8 can can MD 33154 245 9 not not RB 33154 245 10 be be VB 33154 245 11 true true JJ 33154 245 12 , , , 33154 245 13 and and CC 33154 245 14 it -PRON- PRP 33154 245 15 is be VBZ 33154 245 16 in in IN 33154 245 17 the the DT 33154 245 18 highest high JJS 33154 245 19 degree degree NN 33154 245 20 probable probable JJ 33154 245 21 that that IN 33154 245 22 neither neither DT 33154 245 23 of of IN 33154 245 24 them -PRON- PRP 33154 245 25 is be VBZ 33154 245 26 true true JJ 33154 245 27 . . . 33154 246 1 Some some DT 33154 246 2 have have VBP 33154 246 3 supposed suppose VBN 33154 246 4 that that IN 33154 246 5 there there EX 33154 246 6 was be VBD 33154 246 7 a a DT 33154 246 8 kind kind NN 33154 246 9 of of IN 33154 246 10 electric electric JJ 33154 246 11 atmosphere atmosphere NN 33154 246 12 about about IN 33154 246 13 every every DT 33154 246 14 atom atom NN 33154 246 15 of of IN 33154 246 16 matter matter NN 33154 246 17 ; ; : 33154 246 18 and and CC 33154 246 19 still still RB 33154 246 20 another another DT 33154 246 21 theory theory NN 33154 246 22 , , , 33154 246 23 now now RB 33154 246 24 advocated advocate VBN 33154 246 25 by by IN 33154 246 26 Edlund Edlund NNP 33154 246 27 of of IN 33154 246 28 Stockholm Stockholm NNP 33154 246 29 , , , 33154 246 30 assumes assume VBZ 33154 246 31 that that IN 33154 246 32 electricity electricity NN 33154 246 33 is be VBZ 33154 246 34 identical identical JJ 33154 246 35 with with IN 33154 246 36 the the DT 33154 246 37 ether ether NN 33154 246 38 by by IN 33154 246 39 which which WDT 33154 246 40 radiant radiant NN 33154 246 41 energy energy NN 33154 246 42 , , , 33154 246 43 light light NN 33154 246 44 and and CC 33154 246 45 heat heat NN 33154 246 46 , , , 33154 246 47 is be VBZ 33154 246 48 transmitted transmit VBN 33154 246 49 . . . 33154 247 1 Before before IN 33154 247 2 a a DT 33154 247 3 correct correct JJ 33154 247 4 judgment judgment NN 33154 247 5 can can MD 33154 247 6 be be VB 33154 247 7 formed form VBN 33154 247 8 of of IN 33154 247 9 the the DT 33154 247 10 nature nature NN 33154 247 11 of of IN 33154 247 12 any any DT 33154 247 13 force force NN 33154 247 14 , , , 33154 247 15 it -PRON- PRP 33154 247 16 is be VBZ 33154 247 17 necessary necessary JJ 33154 247 18 to to TO 33154 247 19 know know VB 33154 247 20 what what WP 33154 247 21 it -PRON- PRP 33154 247 22 can can MD 33154 247 23 do do VB 33154 247 24 , , , 33154 247 25 what what WP 33154 247 26 kind kind NN 33154 247 27 of of IN 33154 247 28 phenomena phenomenon NNS 33154 247 29 it -PRON- PRP 33154 247 30 can can MD 33154 247 31 produce produce VB 33154 247 32 . . . 33154 248 1 Let let VB 33154 248 2 us -PRON- PRP 33154 248 3 , , , 33154 248 4 then then RB 33154 248 5 , , , 33154 248 6 take take VB 33154 248 7 a a DT 33154 248 8 brief brief JJ 33154 248 9 survey survey NN 33154 248 10 of of IN 33154 248 11 what what WDT 33154 248 12 electricity electricity NN 33154 248 13 can can MD 33154 248 14 do do VB 33154 248 15 . . . 33154 249 1 1st 1st NNP 33154 249 2 , , , 33154 249 3 It -PRON- PRP 33154 249 4 can can MD 33154 249 5 directly directly RB 33154 249 6 produce produce VB 33154 249 7 _ _ NNP 33154 249 8 motion motion NN 33154 249 9 _ _ NNP 33154 249 10 , , , 33154 249 11 through through IN 33154 249 12 the the DT 33154 249 13 attractions attraction NNS 33154 249 14 and and CC 33154 249 15 repulsions repulsion NNS 33154 249 16 of of IN 33154 249 17 electrified electrify VBN 33154 249 18 bodies,--as bodies,--as NN 33154 249 19 indicated indicate VBN 33154 249 20 by by IN 33154 249 21 electrometers electrometer NNS 33154 249 22 , , , 33154 249 23 the the DT 33154 249 24 rotation rotation NN 33154 249 25 of of IN 33154 249 26 the the DT 33154 249 27 fly fly NN 33154 249 28 - - HYPH 33154 249 29 wheel wheel NN 33154 249 30 , , , 33154 249 31 the the DT 33154 249 32 deflection deflection NN 33154 249 33 of of IN 33154 249 34 the the DT 33154 249 35 galvanometer galvanometer NN 33154 249 36 needle needle NN 33154 249 37 . . . 33154 250 1 It -PRON- PRP 33154 250 2 has have VBZ 33154 250 3 been be VBN 33154 250 4 proved prove VBN 33154 250 5 by by IN 33154 250 6 the the DT 33154 250 7 mathematical mathematical JJ 33154 250 8 labors labor NNS 33154 250 9 of of IN 33154 250 10 Clausius Clausius NNP 33154 250 11 , , , 33154 250 12 and and CC 33154 250 13 confirmed confirm VBN 33154 250 14 by by IN 33154 250 15 experiment experiment NN 33154 250 16 , , , 33154 250 17 that that IN 33154 250 18 , , , 33154 250 19 when when WRB 33154 250 20 electricity electricity NN 33154 250 21 performs perform VBZ 33154 250 22 any any DT 33154 250 23 mechanical mechanical JJ 33154 250 24 work work NN 33154 250 25 , , , 33154 250 26 so so RB 33154 250 27 much much JJ 33154 250 28 electricity electricity NN 33154 250 29 is be VBZ 33154 250 30 lost lose VBN 33154 250 31 , , , 33154 250 32 annihilated annihilate VBN 33154 250 33 as as IN 33154 250 34 electricity electricity NN 33154 250 35 . . . 33154 251 1 2d 2d LS 33154 251 2 , , , 33154 251 3 It -PRON- PRP 33154 251 4 can can MD 33154 251 5 directly directly RB 33154 251 6 produce produce VB 33154 251 7 _ _ NNP 33154 251 8 heat heat NN 33154 251 9 _ _ NNP 33154 251 10 , , , 33154 251 11 as as IN 33154 251 12 shown show VBN 33154 251 13 by by IN 33154 251 14 passing pass VBG 33154 251 15 a a DT 33154 251 16 sufficient sufficient JJ 33154 251 17 quantity quantity NN 33154 251 18 of of IN 33154 251 19 electricity electricity NN 33154 251 20 through through IN 33154 251 21 a a DT 33154 251 22 fine fine JJ 33154 251 23 platinum platinum NN 33154 251 24 wire wire NN 33154 251 25 : : : 33154 251 26 the the DT 33154 251 27 wire wire NN 33154 251 28 becomes become VBZ 33154 251 29 heated heated JJ 33154 251 30 , , , 33154 251 31 and and CC 33154 251 32 glows glow NNS 33154 251 33 , , , 33154 251 34 and and CC 33154 251 35 it -PRON- PRP 33154 251 36 may may MD 33154 251 37 even even RB 33154 251 38 be be VB 33154 251 39 fused fuse VBN 33154 251 40 by by IN 33154 251 41 the the DT 33154 251 42 intensity intensity NN 33154 251 43 of of IN 33154 251 44 the the DT 33154 251 45 heat heat NN 33154 251 46 . . . 33154 252 1 The the DT 33154 252 2 heat heat NN 33154 252 3 developed develop VBD 33154 252 4 in in IN 33154 252 5 the the DT 33154 252 6 so so RB 33154 252 7 - - HYPH 33154 252 8 called call VBN 33154 252 9 electric electric JJ 33154 252 10 arc arc NN 33154 252 11 is be VBZ 33154 252 12 so so RB 33154 252 13 great great JJ 33154 252 14 as as IN 33154 252 15 to to TO 33154 252 16 fuse fuse VB 33154 252 17 the the DT 33154 252 18 most most RBS 33154 252 19 refractory refractory JJ 33154 252 20 substances substance NNS 33154 252 21 . . . 33154 253 1 If if IN 33154 253 2 a a DT 33154 253 3 current current NN 33154 253 4 of of IN 33154 253 5 electricity electricity NN 33154 253 6 from from IN 33154 253 7 a a DT 33154 253 8 battery battery NN 33154 253 9 be be VB 33154 253 10 sent send VBN 33154 253 11 through through IN 33154 253 12 a a DT 33154 253 13 thermo thermo JJ 33154 253 14 - - HYPH 33154 253 15 pile pile NN 33154 253 16 , , , 33154 253 17 one one CD 33154 253 18 of of IN 33154 253 19 the the DT 33154 253 20 faces face NNS 33154 253 21 of of IN 33154 253 22 the the DT 33154 253 23 pile pile NN 33154 253 24 will will MD 33154 253 25 be be VB 33154 253 26 heated heat VBN 33154 253 27 . . . 33154 254 1 The the DT 33154 254 2 heat heat NN 33154 254 3 of of IN 33154 254 4 the the DT 33154 254 5 spark spark NN 33154 254 6 from from IN 33154 254 7 a a DT 33154 254 8 Leyden Leyden NNP 33154 254 9 jar jar NN 33154 254 10 may may MD 33154 254 11 be be VB 33154 254 12 made make VBN 33154 254 13 to to TO 33154 254 14 ignite ignite VB 33154 254 15 gunpowder gunpowder NN 33154 254 16 , , , 33154 254 17 and and CC 33154 254 18 dissipate dissipate NN 33154 254 19 gold gold NN 33154 254 20 into into IN 33154 254 21 vapor vapor NN 33154 254 22 . . . 33154 255 1 The the DT 33154 255 2 heat heat NN 33154 255 3 produced produce VBN 33154 255 4 by by IN 33154 255 5 lightning lightning NN 33154 255 6 is be VBZ 33154 255 7 seen see VBN 33154 255 8 when when WRB 33154 255 9 a a DT 33154 255 10 live live JJ 33154 255 11 tree tree NN 33154 255 12 is be VBZ 33154 255 13 struck strike VBN 33154 255 14 by by IN 33154 255 15 a a DT 33154 255 16 powerful powerful JJ 33154 255 17 flash flash NN 33154 255 18 : : : 33154 255 19 the the DT 33154 255 20 sap sap NN 33154 255 21 of of IN 33154 255 22 the the DT 33154 255 23 tree tree NN 33154 255 24 is be VBZ 33154 255 25 instantly instantly RB 33154 255 26 converted convert VBN 33154 255 27 into into IN 33154 255 28 steam steam NN 33154 255 29 of of IN 33154 255 30 so so RB 33154 255 31 high high JJ 33154 255 32 a a DT 33154 255 33 tension tension NN 33154 255 34 as as IN 33154 255 35 to to TO 33154 255 36 explode explode VB 33154 255 37 the the DT 33154 255 38 tree tree NN 33154 255 39 , , , 33154 255 40 scattering scatter VBG 33154 255 41 it -PRON- PRP 33154 255 42 in in IN 33154 255 43 small small JJ 33154 255 44 fragments fragment NNS 33154 255 45 over over IN 33154 255 46 a a DT 33154 255 47 wide wide JJ 33154 255 48 area area NN 33154 255 49 . . . 33154 256 1 The the DT 33154 256 2 tips tip NNS 33154 256 3 of of IN 33154 256 4 lightning lightning NN 33154 256 5 - - HYPH 33154 256 6 rods rod NNS 33154 256 7 often often RB 33154 256 8 exhibit exhibit VBP 33154 256 9 this this DT 33154 256 10 heating heating NN 33154 256 11 effect effect NN 33154 256 12 , , , 33154 256 13 being be VBG 33154 256 14 fused fuse VBN 33154 256 15 by by IN 33154 256 16 the the DT 33154 256 17 passage passage NN 33154 256 18 of of IN 33154 256 19 too too RB 33154 256 20 great great JJ 33154 256 21 a a DT 33154 256 22 quantity quantity NN 33154 256 23 of of IN 33154 256 24 electricity electricity NN 33154 256 25 . . . 33154 257 1 In in IN 33154 257 2 the the DT 33154 257 3 early early JJ 33154 257 4 part part NN 33154 257 5 of of IN 33154 257 6 the the DT 33154 257 7 present present JJ 33154 257 8 century century NN 33154 257 9 it -PRON- PRP 33154 257 10 was be VBD 33154 257 11 demonstrated demonstrate VBN 33154 257 12 by by IN 33154 257 13 Count Count NNP 33154 257 14 Rumford Rumford NNP 33154 257 15 , , , 33154 257 16 and and CC 33154 257 17 also also RB 33154 257 18 by by IN 33154 257 19 Sir Sir NNP 33154 257 20 Humphry Humphry NNP 33154 257 21 Davy Davy NNP 33154 257 22 , , , 33154 257 23 that that DT 33154 257 24 heat heat NN 33154 257 25 was be VBD 33154 257 26 but but CC 33154 257 27 a a DT 33154 257 28 form form NN 33154 257 29 of of IN 33154 257 30 molecular molecular JJ 33154 257 31 motion motion NN 33154 257 32 . . . 33154 258 1 Since since IN 33154 258 2 then then RB 33154 258 3 the the DT 33154 258 4 exact exact JJ 33154 258 5 relations relation NNS 33154 258 6 between between IN 33154 258 7 the the DT 33154 258 8 motion motion NN 33154 258 9 of of IN 33154 258 10 a a DT 33154 258 11 mass mass NN 33154 258 12 of of IN 33154 258 13 matter matter NN 33154 258 14 and and CC 33154 258 15 the the DT 33154 258 16 equivalent equivalent JJ 33154 258 17 heat heat NN 33154 258 18 have have VBP 33154 258 19 been be VBN 33154 258 20 experimentally experimentally RB 33154 258 21 determined determine VBN 33154 258 22 by by IN 33154 258 23 Joule Joule NNP 33154 258 24 , , , 33154 258 25 so so IN 33154 258 26 that that IN 33154 258 27 the the DT 33154 258 28 unit unit NN 33154 258 29 of of IN 33154 258 30 heat heat NNP 33154 258 31 may may MD 33154 258 32 be be VB 33154 258 33 expressed express VBN 33154 258 34 in in IN 33154 258 35 the the DT 33154 258 36 motion motion NN 33154 258 37 of of IN 33154 258 38 a a DT 33154 258 39 mass mass NN 33154 258 40 of of IN 33154 258 41 matter matter NN 33154 258 42 . . . 33154 259 1 This this DT 33154 259 2 is be VBZ 33154 259 3 deducible deducible JJ 33154 259 4 from from IN 33154 259 5 a a DT 33154 259 6 more more RBR 33154 259 7 general general JJ 33154 259 8 law law NN 33154 259 9 , , , 33154 259 10 known know VBN 33154 259 11 as as IN 33154 259 12 the the DT 33154 259 13 conservation conservation NN 33154 259 14 of of IN 33154 259 15 energy energy NN 33154 259 16 . . . 33154 260 1 The the DT 33154 260 2 application application NN 33154 260 3 in in IN 33154 260 4 this this DT 33154 260 5 place place NN 33154 260 6 is be VBZ 33154 260 7 , , , 33154 260 8 that that IN 33154 260 9 whenever whenever WRB 33154 260 10 heat heat NN 33154 260 11 appears appear VBZ 33154 260 12 through through IN 33154 260 13 electric electric JJ 33154 260 14 action action NN 33154 260 15 , , , 33154 260 16 as as IN 33154 260 17 in in IN 33154 260 18 the the DT 33154 260 19 above above RB 33154 260 20 - - HYPH 33154 260 21 mentioned mention VBN 33154 260 22 places place NNS 33154 260 23 , , , 33154 260 24 we -PRON- PRP 33154 260 25 know know VBP 33154 260 26 that that IN 33154 260 27 it -PRON- PRP 33154 260 28 still still RB 33154 260 29 is be VBZ 33154 260 30 only only RB 33154 260 31 _ _ NNP 33154 260 32 motion motion NN 33154 260 33 _ _ NNP 33154 260 34 that that DT 33154 260 35 is be VBZ 33154 260 36 the the DT 33154 260 37 product product NN 33154 260 38 , , , 33154 260 39 only only RB 33154 260 40 that that IN 33154 260 41 this this DT 33154 260 42 motion motion NN 33154 260 43 is be VBZ 33154 260 44 now now RB 33154 260 45 among among IN 33154 260 46 the the DT 33154 260 47 molecules molecule NNS 33154 260 48 of of IN 33154 260 49 the the DT 33154 260 50 body body NN 33154 260 51 , , , 33154 260 52 instead instead RB 33154 260 53 of of IN 33154 260 54 the the DT 33154 260 55 motion motion NN 33154 260 56 of of IN 33154 260 57 the the DT 33154 260 58 whole whole JJ 33154 260 59 body body NN 33154 260 60 in in IN 33154 260 61 space space NN 33154 260 62 , , , 33154 260 63 as as IN 33154 260 64 when when WRB 33154 260 65 a a DT 33154 260 66 pith pith NNP 33154 260 67 - - HYPH 33154 260 68 ball ball NN 33154 260 69 moves move NNS 33154 260 70 , , , 33154 260 71 or or CC 33154 260 72 a a DT 33154 260 73 galvanometer galvanometer NN 33154 260 74 - - HYPH 33154 260 75 needle needle NN 33154 260 76 turns turn NNS 33154 260 77 . . . 33154 261 1 3d 3d LS 33154 261 2 , , , 33154 261 3 It -PRON- PRP 33154 261 4 can can MD 33154 261 5 directly directly RB 33154 261 6 produce produce VB 33154 261 7 _ _ NNP 33154 261 8 light light NN 33154 261 9 _ _ NNP 33154 261 10 . . . 33154 262 1 This this DT 33154 262 2 is be VBZ 33154 262 3 seen see VBN 33154 262 4 in in IN 33154 262 5 every every DT 33154 262 6 spark spark NN 33154 262 7 from from IN 33154 262 8 an an DT 33154 262 9 electric electric JJ 33154 262 10 machine machine NN 33154 262 11 , , , 33154 262 12 in in IN 33154 262 13 the the DT 33154 262 14 flash flash NN 33154 262 15 of of IN 33154 262 16 lightning lightning NN 33154 262 17 , , , 33154 262 18 and and CC 33154 262 19 in in IN 33154 262 20 the the DT 33154 262 21 electric electric JJ 33154 262 22 light light NN 33154 262 23 . . . 33154 263 1 It -PRON- PRP 33154 263 2 has have VBZ 33154 263 3 been be VBN 33154 263 4 shown show VBN 33154 263 5 in in IN 33154 263 6 numberless numberless JJ 33154 263 7 ways way NNS 33154 263 8 , , , 33154 263 9 that that IN 33154 263 10 there there EX 33154 263 11 is be VBZ 33154 263 12 no no DT 33154 263 13 essential essential JJ 33154 263 14 difference difference NN 33154 263 15 between between IN 33154 263 16 light light NN 33154 263 17 and and CC 33154 263 18 heat heat NN 33154 263 19 , , , 33154 263 20 and and CC 33154 263 21 that that IN 33154 263 22 what what WP 33154 263 23 we -PRON- PRP 33154 263 24 call call VBP 33154 263 25 light light NN 33154 263 26 is be VBZ 33154 263 27 only only RB 33154 263 28 the the DT 33154 263 29 active active JJ 33154 263 30 relation relation NN 33154 263 31 which which WDT 33154 263 32 certain certain JJ 33154 263 33 rays ray NNS 33154 263 34 of of IN 33154 263 35 radiant radiant JJ 33154 263 36 energy energy NN 33154 263 37 have have VBP 33154 263 38 to to IN 33154 263 39 the the DT 33154 263 40 eyes eye NNS 33154 263 41 . . . 33154 264 1 In in IN 33154 264 2 order order NN 33154 264 3 to to TO 33154 264 4 make make VB 33154 264 5 this this DT 33154 264 6 plain plain JJ 33154 264 7 , , , 33154 264 8 suppose suppose VB 33154 264 9 that that IN 33154 264 10 a a DT 33154 264 11 beam beam NN 33154 264 12 of of IN 33154 264 13 light light NN 33154 264 14 , , , 33154 264 15 say say VB 33154 264 16 from from IN 33154 264 17 the the DT 33154 264 18 sun sun NN 33154 264 19 , , , 33154 264 20 be be VB 33154 264 21 permitted permit VBN 33154 264 22 to to TO 33154 264 23 fall fall VB 33154 264 24 upon upon IN 33154 264 25 a a DT 33154 264 26 triangular triangular JJ 33154 264 27 prism prism NN 33154 264 28 of of IN 33154 264 29 glass glass NN 33154 264 30 : : : 33154 264 31 at at IN 33154 264 32 once once IN 33154 264 33 it -PRON- PRP 33154 264 34 is be VBZ 33154 264 35 seen see VBN 33154 264 36 that that IN 33154 264 37 the the DT 33154 264 38 beam beam NN 33154 264 39 is be VBZ 33154 264 40 deflected deflect VBN 33154 264 41 , , , 33154 264 42 and and CC 33154 264 43 instead instead RB 33154 264 44 of of IN 33154 264 45 appearing appear VBG 33154 264 46 a a DT 33154 264 47 spot spot NN 33154 264 48 of of IN 33154 264 49 white white JJ 33154 264 50 light light NN 33154 264 51 , , , 33154 264 52 as as IN 33154 264 53 it -PRON- PRP 33154 264 54 did do VBD 33154 264 55 before before IN 33154 264 56 it -PRON- PRP 33154 264 57 was be VBD 33154 264 58 deflected deflect VBN 33154 264 59 , , , 33154 264 60 it -PRON- PRP 33154 264 61 now now RB 33154 264 62 appears appear VBZ 33154 264 63 as as IN 33154 264 64 a a DT 33154 264 65 brilliant brilliant JJ 33154 264 66 band band NN 33154 264 67 of of IN 33154 264 68 colors color NNS 33154 264 69 , , , 33154 264 70 which which WDT 33154 264 71 is be VBZ 33154 264 72 called call VBN 33154 264 73 the the DT 33154 264 74 solar solar JJ 33154 264 75 spectrum spectrum NN 33154 264 76 . . . 33154 265 1 If if IN 33154 265 2 now now RB 33154 265 3 this this DT 33154 265 4 spectrum spectrum NN 33154 265 5 be be VB 33154 265 6 examined examine VBN 33154 265 7 as as IN 33154 265 8 to to IN 33154 265 9 the the DT 33154 265 10 distribution distribution NN 33154 265 11 of of IN 33154 265 12 heat heat NN 33154 265 13 , , , 33154 265 14 by by IN 33154 265 15 moving move VBG 33154 265 16 a a DT 33154 265 17 thermo thermo JJ 33154 265 18 - - HYPH 33154 265 19 pile pile NN 33154 265 20 through through IN 33154 265 21 it -PRON- PRP 33154 265 22 from from IN 33154 265 23 the the DT 33154 265 24 blue blue JJ 33154 265 25 end end NN 33154 265 26 towards towards IN 33154 265 27 the the DT 33154 265 28 red red JJ 33154 265 29 end end NN 33154 265 30 , , , 33154 265 31 it -PRON- PRP 33154 265 32 will will MD 33154 265 33 be be VB 33154 265 34 noticed notice VBN 33154 265 35 that that IN 33154 265 36 the the DT 33154 265 37 galvanometer galvanometer NN 33154 265 38 - - HYPH 33154 265 39 needle needle NN 33154 265 40 will will MD 33154 265 41 be be VB 33154 265 42 but but CC 33154 265 43 slightly slightly RB 33154 265 44 deflected deflect VBN 33154 265 45 at at IN 33154 265 46 the the DT 33154 265 47 blue blue JJ 33154 265 48 end end NN 33154 265 49 ; ; : 33154 265 50 but but CC 33154 265 51 , , , 33154 265 52 as as IN 33154 265 53 the the DT 33154 265 54 thermo thermo NNP 33154 265 55 - - HYPH 33154 265 56 pile pile NNP 33154 265 57 is be VBZ 33154 265 58 moved move VBN 33154 265 59 , , , 33154 265 60 the the DT 33154 265 61 deflections deflection NNS 33154 265 62 are be VBP 33154 265 63 greater great JJR 33154 265 64 until until IN 33154 265 65 it -PRON- PRP 33154 265 66 is be VBZ 33154 265 67 past past IN 33154 265 68 the the DT 33154 265 69 red red JJ 33154 265 70 end end NN 33154 265 71 , , , 33154 265 72 where where WRB 33154 265 73 the the DT 33154 265 74 heat heat NN 33154 265 75 is be VBZ 33154 265 76 greatest great JJS 33154 265 77 . . . 33154 266 1 On on IN 33154 266 2 this this DT 33154 266 3 account account NN 33154 266 4 it -PRON- PRP 33154 266 5 has have VBZ 33154 266 6 been be VBN 33154 266 7 customary customary JJ 33154 266 8 to to TO 33154 266 9 say say VB 33154 266 10 that that IN 33154 266 11 the the DT 33154 266 12 red red JJ 33154 266 13 end end NN 33154 266 14 of of IN 33154 266 15 the the DT 33154 266 16 spectrum spectrum NN 33154 266 17 was be VBD 33154 266 18 the the DT 33154 266 19 heating heating NN 33154 266 20 end end NN 33154 266 21 . . . 33154 267 1 With with IN 33154 267 2 various various JJ 33154 267 3 pieces piece NNS 33154 267 4 of of IN 33154 267 5 mechanism mechanism NN 33154 267 6 the the DT 33154 267 7 rays ray NNS 33154 267 8 may may MD 33154 267 9 be be VB 33154 267 10 separated separate VBN 33154 267 11 from from IN 33154 267 12 each each DT 33154 267 13 other other JJ 33154 267 14 , , , 33154 267 15 and and CC 33154 267 16 measured measure VBN 33154 267 17 ; ; : 33154 267 18 and and CC 33154 267 19 then then RB 33154 267 20 it -PRON- PRP 33154 267 21 appears appear VBZ 33154 267 22 that that IN 33154 267 23 a a DT 33154 267 24 red red JJ 33154 267 25 ray ray NN 33154 267 26 of of IN 33154 267 27 light light NN 33154 267 28 has have VBZ 33154 267 29 a a DT 33154 267 30 wave wave NN 33154 267 31 length length NN 33154 267 32 of of IN 33154 267 33 about about RB 33154 267 34 1/37000 1/37000 CD 33154 267 35 in in IN 33154 267 36 . . . 33154 267 37 , , , 33154 267 38 and and CC 33154 267 39 the the DT 33154 267 40 violet violet NN 33154 267 41 ray ray VBP 33154 267 42 about about RB 33154 267 43 1/60000 1/60000 CD 33154 267 44 in in IN 33154 267 45 . . . 33154 268 1 The the DT 33154 268 2 rays ray NNS 33154 268 3 beyond beyond IN 33154 268 4 the the DT 33154 268 5 red red NN 33154 268 6 have have VBP 33154 268 7 also also RB 33154 268 8 been be VBN 33154 268 9 measured measure VBN 33154 268 10 , , , 33154 268 11 and and CC 33154 268 12 found find VBN 33154 268 13 to to TO 33154 268 14 be be VB 33154 268 15 greater great JJR 33154 268 16 in in IN 33154 268 17 length length NN 33154 268 18 uniformly uniformly JJ 33154 268 19 as as IN 33154 268 20 one one CD 33154 268 21 recedes recede VBZ 33154 268 22 from from IN 33154 268 23 the the DT 33154 268 24 visible visible JJ 33154 268 25 part part NN 33154 268 26 of of IN 33154 268 27 the the DT 33154 268 28 spectrum spectrum NN 33154 268 29 . . . 33154 269 1 In in IN 33154 269 2 like like JJ 33154 269 3 manner manner NN 33154 269 4 , , , 33154 269 5 beyond beyond IN 33154 269 6 the the DT 33154 269 7 blue blue JJ 33154 269 8 end end VBP 33154 269 9 the the DT 33154 269 10 wave wave NN 33154 269 11 lengths length NNS 33154 269 12 become become VB 33154 269 13 shorter short JJR 33154 269 14 and and CC 33154 269 15 shorter short JJR 33154 269 16 ; ; : 33154 269 17 and and CC 33154 269 18 in in IN 33154 269 19 each each DT 33154 269 20 of of IN 33154 269 21 these these DT 33154 269 22 directions direction NNS 33154 269 23 the the DT 33154 269 24 spectrum spectrum NN 33154 269 25 that that WDT 33154 269 26 is be VBZ 33154 269 27 invisible invisible JJ 33154 269 28 is be VBZ 33154 269 29 much much RB 33154 269 30 longer long JJR 33154 269 31 than than IN 33154 269 32 the the DT 33154 269 33 visible visible JJ 33154 269 34 one one CD 33154 269 35 . . . 33154 270 1 Now now RB 33154 270 2 , , , 33154 270 3 it -PRON- PRP 33154 270 4 has have VBZ 33154 270 5 also also RB 33154 270 6 been be VBN 33154 270 7 found find VBN 33154 270 8 that that IN 33154 270 9 where where WRB 33154 270 10 a a DT 33154 270 11 prism prism NN 33154 270 12 of of IN 33154 270 13 glass glass NN 33154 270 14 or or CC 33154 270 15 other other JJ 33154 270 16 material material NN 33154 270 17 is be VBZ 33154 270 18 used use VBN 33154 270 19 to to TO 33154 270 20 produce produce VB 33154 270 21 a a DT 33154 270 22 spectrum spectrum NN 33154 270 23 , , , 33154 270 24 it -PRON- PRP 33154 270 25 distributes distribute VBZ 33154 270 26 the the DT 33154 270 27 rays ray NNS 33154 270 28 very very RB 33154 270 29 unevenly unevenly RB 33154 270 30 ; ; : 33154 270 31 that that RB 33154 270 32 is is RB 33154 270 33 , , , 33154 270 34 towards towards IN 33154 270 35 the the DT 33154 270 36 red red JJ 33154 270 37 end end NN 33154 270 38 of of IN 33154 270 39 the the DT 33154 270 40 spectrum spectrum NN 33154 270 41 they -PRON- PRP 33154 270 42 are be VBP 33154 270 43 very very RB 33154 270 44 much much RB 33154 270 45 crowded crowded JJ 33154 270 46 , , , 33154 270 47 while while IN 33154 270 48 towards towards IN 33154 270 49 the the DT 33154 270 50 blue blue JJ 33154 270 51 end end NN 33154 270 52 they -PRON- PRP 33154 270 53 are be VBP 33154 270 54 more more RBR 33154 270 55 dispersed dispersed JJ 33154 270 56 . . . 33154 271 1 Hence hence RB 33154 271 2 , , , 33154 271 3 if if IN 33154 271 4 one one CD 33154 271 5 were be VBD 33154 271 6 measuring measure VBG 33154 271 7 the the DT 33154 271 8 heating heating NN 33154 271 9 power power NN 33154 271 10 of of IN 33154 271 11 such such PDT 33154 271 12 a a DT 33154 271 13 spectrum spectrum NN 33154 271 14 , , , 33154 271 15 many many JJ 33154 271 16 more more JJR 33154 271 17 rays ray NNS 33154 271 18 would would MD 33154 271 19 fall fall VB 33154 271 20 upon upon IN 33154 271 21 an an DT 33154 271 22 equal equal JJ 33154 271 23 surface surface NN 33154 271 24 of of IN 33154 271 25 the the DT 33154 271 26 thermo thermo JJ 33154 271 27 - - HYPH 33154 271 28 pile pile NN 33154 271 29 at at IN 33154 271 30 the the DT 33154 271 31 red red JJ 33154 271 32 end end NN 33154 271 33 than than IN 33154 271 34 at at IN 33154 271 35 the the DT 33154 271 36 blue blue JJ 33154 271 37 end end NN 33154 271 38 ; ; : 33154 271 39 therefore therefore RB 33154 271 40 the the DT 33154 271 41 indications indication NNS 33154 271 42 of of IN 33154 271 43 the the DT 33154 271 44 galvanometer galvanometer NN 33154 271 45 would would MD 33154 271 46 be be VB 33154 271 47 fallacious fallacious JJ 33154 271 48 . . . 33154 272 1 Before before IN 33154 272 2 any any DT 33154 272 3 thing thing NN 33154 272 4 definite definite JJ 33154 272 5 could could MD 33154 272 6 be be VB 33154 272 7 known know VBN 33154 272 8 about about IN 33154 272 9 the the DT 33154 272 10 matter matter NN 33154 272 11 , , , 33154 272 12 it -PRON- PRP 33154 272 13 would would MD 33154 272 14 plainly plainly RB 33154 272 15 be be VB 33154 272 16 necessary necessary JJ 33154 272 17 to to TO 33154 272 18 work work VB 33154 272 19 with with IN 33154 272 20 an an DT 33154 272 21 equal equal JJ 33154 272 22 dispersion dispersion NN 33154 272 23 of of IN 33154 272 24 all all PDT 33154 272 25 the the DT 33154 272 26 rays ray NNS 33154 272 27 . . . 33154 273 1 This this DT 33154 273 2 was be VBD 33154 273 3 effected effect VBN 33154 273 4 a a DT 33154 273 5 few few JJ 33154 273 6 years year NNS 33154 273 7 ago ago RB 33154 273 8 by by IN 33154 273 9 Dr. Dr. NNP 33154 273 10 Draper Draper NNP 33154 273 11 of of IN 33154 273 12 New New NNP 33154 273 13 York York NNP 33154 273 14 . . . 33154 274 1 He -PRON- PRP 33154 274 2 took take VBD 33154 274 3 the the DT 33154 274 4 spectrum spectrum NN 33154 274 5 produced produce VBN 33154 274 6 by by IN 33154 274 7 diffraction diffraction NN 33154 274 8 instead instead RB 33154 274 9 of of IN 33154 274 10 refraction refraction NN 33154 274 11 , , , 33154 274 12 and and CC 33154 274 13 measured measure VBD 33154 274 14 that that DT 33154 274 15 . . . 33154 275 1 In in IN 33154 275 2 that that DT 33154 275 3 way way NN 33154 275 4 it -PRON- PRP 33154 275 5 was be VBD 33154 275 6 found find VBN 33154 275 7 that that IN 33154 275 8 the the DT 33154 275 9 heating heating NN 33154 275 10 power power NN 33154 275 11 of of IN 33154 275 12 the the DT 33154 275 13 spectrum spectrum NN 33154 275 14 is be VBZ 33154 275 15 equal equal JJ 33154 275 16 in in IN 33154 275 17 every every DT 33154 275 18 part part NN 33154 275 19 of of IN 33154 275 20 it -PRON- PRP 33154 275 21 ; ; : 33154 275 22 and and CC 33154 275 23 hence hence RB 33154 275 24 the the DT 33154 275 25 pictures picture NNS 33154 275 26 in in IN 33154 275 27 treatises treatise NNS 33154 275 28 on on IN 33154 275 29 physics physics NN 33154 275 30 that that WDT 33154 275 31 represent represent VBP 33154 275 32 the the DT 33154 275 33 heating heating NN 33154 275 34 power power NN 33154 275 35 of of IN 33154 275 36 the the DT 33154 275 37 spectrum spectrum NN 33154 275 38 to to TO 33154 275 39 be be VB 33154 275 40 concentrated concentrate VBN 33154 275 41 at at IN 33154 275 42 the the DT 33154 275 43 red red JJ 33154 275 44 end end NN 33154 275 45 is be VBZ 33154 275 46 not not RB 33154 275 47 true true JJ 33154 275 48 save save NN 33154 275 49 where where WRB 33154 275 50 the the DT 33154 275 51 spectrum spectrum NN 33154 275 52 is be VBZ 33154 275 53 irregularly irregularly RB 33154 275 54 produced produce VBN 33154 275 55 . . . 33154 276 1 As as IN 33154 276 2 for for IN 33154 276 3 vision vision NN 33154 276 4 , , , 33154 276 5 the the DT 33154 276 6 mechanical mechanical JJ 33154 276 7 structure structure NN 33154 276 8 of of IN 33154 276 9 the the DT 33154 276 10 eye eye NN 33154 276 11 is be VBZ 33154 276 12 such such JJ 33154 276 13 that that IN 33154 276 14 radiant radiant JJ 33154 276 15 vibrations vibration NNS 33154 276 16 having have VBG 33154 276 17 a a DT 33154 276 18 wave wave NN 33154 276 19 length length NN 33154 276 20 between between IN 33154 276 21 1/37000 1/37000 CD 33154 276 22 in in IN 33154 276 23 . . . 33154 277 1 and and CC 33154 277 2 1/60000 1/60000 CD 33154 277 3 in in IN 33154 277 4 . . . 33154 278 1 can can MD 33154 278 2 affect affect VB 33154 278 3 it -PRON- PRP 33154 278 4 , , , 33154 278 5 while while IN 33154 278 6 longer longer RB 33154 278 7 or or CC 33154 278 8 shorter short JJR 33154 278 9 wave wave NN 33154 278 10 lengths length NNS 33154 278 11 can can MD 33154 278 12 not not RB 33154 278 13 . . . 33154 279 1 Such such JJ 33154 279 2 waves wave NNS 33154 279 3 we -PRON- PRP 33154 279 4 call call VBP 33154 279 5 light light NN 33154 279 6 , , , 33154 279 7 but but CC 33154 279 8 it -PRON- PRP 33154 279 9 is be VBZ 33154 279 10 not not RB 33154 279 11 at at RB 33154 279 12 all all RB 33154 279 13 improbable improbable JJ 33154 279 14 that that IN 33154 279 15 some some DT 33154 279 16 animals animal NNS 33154 279 17 and and CC 33154 279 18 insects insect NNS 33154 279 19 have have VBP 33154 279 20 eyes eye NNS 33154 279 21 adapted adapt VBN 33154 279 22 to to IN 33154 279 23 either either CC 33154 279 24 longer longer RB 33154 279 25 or or CC 33154 279 26 shorter short JJR 33154 279 27 wave wave NN 33154 279 28 - - HYPH 33154 279 29 lengths length NNS 33154 279 30 ; ; : 33154 279 31 in in IN 33154 279 32 which which WDT 33154 279 33 case case NN 33154 279 34 , , , 33154 279 35 what what WP 33154 279 36 would would MD 33154 279 37 be be VB 33154 279 38 perfectly perfectly RB 33154 279 39 dark dark JJ 33154 279 40 to to IN 33154 279 41 us -PRON- PRP 33154 279 42 would would MD 33154 279 43 be be VB 33154 279 44 light light JJ 33154 279 45 to to IN 33154 279 46 them -PRON- PRP 33154 279 47 . . . 33154 280 1 It -PRON- PRP 33154 280 2 is be VBZ 33154 280 3 a a DT 33154 280 4 familiar familiar JJ 33154 280 5 enough enough JJ 33154 280 6 fact fact NN 33154 280 7 , , , 33154 280 8 that that IN 33154 280 9 many many JJ 33154 280 10 animals animal NNS 33154 280 11 , , , 33154 280 12 such such JJ 33154 280 13 as as IN 33154 280 14 dogs dog NNS 33154 280 15 , , , 33154 280 16 cats cat NNS 33154 280 17 , , , 33154 280 18 rats rat NNS 33154 280 19 , , , 33154 280 20 and and CC 33154 280 21 mice mouse NNS 33154 280 22 , , , 33154 280 23 can can MD 33154 280 24 see see VB 33154 280 25 in in IN 33154 280 26 the the DT 33154 280 27 night night NN 33154 280 28 . . . 33154 281 1 Some some DT 33154 281 2 horses horse NNS 33154 281 3 may may MD 33154 281 4 be be VB 33154 281 5 trusted trust VBN 33154 281 6 to to TO 33154 281 7 keep keep VB 33154 281 8 in in IN 33154 281 9 the the DT 33154 281 10 road road NN 33154 281 11 in in IN 33154 281 12 a a DT 33154 281 13 dark dark JJ 33154 281 14 night night NN 33154 281 15 , , , 33154 281 16 when when WRB 33154 281 17 the the DT 33154 281 18 driver driver NN 33154 281 19 can can MD 33154 281 20 not not RB 33154 281 21 see see VB 33154 281 22 even even RB 33154 281 23 the the DT 33154 281 24 horse horse NN 33154 281 25 itself -PRON- PRP 33154 281 26 . . . 33154 282 1 This this DT 33154 282 2 has have VBZ 33154 282 3 usually usually RB 33154 282 4 been be VBN 33154 282 5 accounted account VBN 33154 282 6 for for IN 33154 282 7 by by IN 33154 282 8 saying say VBG 33154 282 9 that that IN 33154 282 10 their -PRON- PRP$ 33154 282 11 eyes eye NNS 33154 282 12 are be VBP 33154 282 13 constructed construct VBN 33154 282 14 so so IN 33154 282 15 as as IN 33154 282 16 to to TO 33154 282 17 collect collect VB 33154 282 18 a a DT 33154 282 19 greater great JJR 33154 282 20 number number NN 33154 282 21 of of IN 33154 282 22 luminous luminous JJ 33154 282 23 rays ray NNS 33154 282 24 . . . 33154 283 1 It -PRON- PRP 33154 283 2 is be VBZ 33154 283 3 much much RB 33154 283 4 better well RBR 33154 283 5 explained explain VBN 33154 283 6 by by IN 33154 283 7 supposing suppose VBG 33154 283 8 their -PRON- PRP$ 33154 283 9 eyes eye NNS 33154 283 10 to to TO 33154 283 11 be be VB 33154 283 12 constructed construct VBN 33154 283 13 to to TO 33154 283 14 respond respond VB 33154 283 15 to to IN 33154 283 16 wave wave VB 33154 283 17 - - HYPH 33154 283 18 lengths length NNS 33154 283 19 either either CC 33154 283 20 greater great JJR 33154 283 21 or or CC 33154 283 22 less less JJR 33154 283 23 than than IN 33154 283 24 those those DT 33154 283 25 of of IN 33154 283 26 mankind mankind NN 33154 283 27 . . . 33154 284 1 A a DT 33154 284 2 ray ray NN 33154 284 3 of of IN 33154 284 4 light light NN 33154 284 5 , , , 33154 284 6 then then RB 33154 284 7 , , , 33154 284 8 consists consist VBZ 33154 284 9 of of IN 33154 284 10 a a DT 33154 284 11 single single JJ 33154 284 12 line line NN 33154 284 13 of of IN 33154 284 14 undulations undulation NNS 33154 284 15 of of IN 33154 284 16 a a DT 33154 284 17 definite definite JJ 33154 284 18 wave wave NN 33154 284 19 length length NN 33154 284 20 , , , 33154 284 21 such such JJ 33154 284 22 that that IN 33154 284 23 if if IN 33154 284 24 it -PRON- PRP 33154 284 25 falls fall VBZ 33154 284 26 upon upon IN 33154 284 27 the the DT 33154 284 28 eye eye NN 33154 284 29 it -PRON- PRP 33154 284 30 will will MD 33154 284 31 produce produce VB 33154 284 32 sight sight NN 33154 284 33 ; ; : 33154 284 34 if if IN 33154 284 35 it -PRON- PRP 33154 284 36 falls fall VBZ 33154 284 37 upon upon IN 33154 284 38 a a DT 33154 284 39 thermo thermo JJ 33154 284 40 - - HYPH 33154 284 41 pile pile NN 33154 284 42 it -PRON- PRP 33154 284 43 heats heat VBZ 33154 284 44 it -PRON- PRP 33154 284 45 by by IN 33154 284 46 just just RB 33154 284 47 the the DT 33154 284 48 same same JJ 33154 284 49 quantity quantity NN 33154 284 50 that that WDT 33154 284 51 another another DT 33154 284 52 wave wave NN 33154 284 53 - - HYPH 33154 284 54 length length NN 33154 284 55 would would MD 33154 284 56 heat heat VB 33154 284 57 it -PRON- PRP 33154 284 58 ; ; : 33154 284 59 if if IN 33154 284 60 it -PRON- PRP 33154 284 61 falls fall VBZ 33154 284 62 upon upon IN 33154 284 63 matter matter NN 33154 284 64 in in IN 33154 284 65 unstable unstable JJ 33154 284 66 chemical chemical NN 33154 284 67 relations relation NNS 33154 284 68 , , , 33154 284 69 it -PRON- PRP 33154 284 70 will will MD 33154 284 71 do do VB 33154 284 72 chemical chemical NN 33154 284 73 work work NN 33154 284 74 , , , 33154 284 75 depending depend VBG 33154 284 76 upon upon IN 33154 284 77 the the DT 33154 284 78 kinds kind NNS 33154 284 79 of of IN 33154 284 80 matter matter NN 33154 284 81 . . . 33154 285 1 A a DT 33154 285 2 red red JJ 33154 285 3 ray ray NN 33154 285 4 is be VBZ 33154 285 5 as as RB 33154 285 6 effective effective JJ 33154 285 7 for for IN 33154 285 8 some some DT 33154 285 9 substances substance NNS 33154 285 10 as as IN 33154 285 11 a a DT 33154 285 12 violet violet NN 33154 285 13 ray ray NN 33154 285 14 is be VBZ 33154 285 15 for for IN 33154 285 16 others other NNS 33154 285 17 . . . 33154 286 1 The the DT 33154 286 2 statement statement NN 33154 286 3 , , , 33154 286 4 then then RB 33154 286 5 , , , 33154 286 6 so so RB 33154 286 7 often often RB 33154 286 8 lately lately RB 33154 286 9 made make VBN 33154 286 10 to to TO 33154 286 11 do do VB 33154 286 12 certain certain JJ 33154 286 13 analogical analogical JJ 33154 286 14 work work NN 33154 286 15 , , , 33154 286 16 namely namely RB 33154 286 17 , , , 33154 286 18 that that IN 33154 286 19 a a DT 33154 286 20 ray ray NN 33154 286 21 of of IN 33154 286 22 light light NN 33154 286 23 consists consist VBZ 33154 286 24 of of IN 33154 286 25 three three CD 33154 286 26 distinct distinct JJ 33154 286 27 parts part NNS 33154 286 28 , , , 33154 286 29 which which WDT 33154 286 30 may may MD 33154 286 31 be be VB 33154 286 32 separated separate VBN 33154 286 33 from from IN 33154 286 34 each each DT 33154 286 35 other other JJ 33154 286 36 , , , 33154 286 37 and and CC 33154 286 38 are be VBP 33154 286 39 called call VBN 33154 286 40 heat heat NN 33154 286 41 , , , 33154 286 42 light light NN 33154 286 43 , , , 33154 286 44 and and CC 33154 286 45 chemical chemical NN 33154 286 46 properties property NNS 33154 286 47 , , , 33154 286 48 is be VBZ 33154 286 49 simply simply RB 33154 286 50 untrue untrue JJ 33154 286 51 . . . 33154 287 1 What what WDT 33154 287 2 a a DT 33154 287 3 ray ray NN 33154 287 4 will will MD 33154 287 5 do do VB 33154 287 6 , , , 33154 287 7 depends depend VBZ 33154 287 8 upon upon IN 33154 287 9 what what WP 33154 287 10 kind kind NN 33154 287 11 of of IN 33154 287 12 a a DT 33154 287 13 structure structure NN 33154 287 14 it -PRON- PRP 33154 287 15 falls fall VBZ 33154 287 16 on on IN 33154 287 17 ; ; : 33154 287 18 and and CC 33154 287 19 when when WRB 33154 287 20 it -PRON- PRP 33154 287 21 has have VBZ 33154 287 22 done do VBN 33154 287 23 that that DT 33154 287 24 work work NN 33154 287 25 , , , 33154 287 26 of of IN 33154 287 27 whatever whatever WDT 33154 287 28 kind kind NN 33154 287 29 it -PRON- PRP 33154 287 30 may may MD 33154 287 31 be be VB 33154 287 32 , , , 33154 287 33 it -PRON- PRP 33154 287 34 ceases cease VBZ 33154 287 35 to to TO 33154 287 36 exist exist VB 33154 287 37 as as IN 33154 287 38 a a DT 33154 287 39 ray ray NN 33154 287 40 . . . 33154 288 1 If if IN 33154 288 2 , , , 33154 288 3 therefore therefore RB 33154 288 4 , , , 33154 288 5 electricity electricity NN 33154 288 6 can can MD 33154 288 7 directly directly RB 33154 288 8 produce produce VB 33154 288 9 light light NN 33154 288 10 , , , 33154 288 11 it -PRON- PRP 33154 288 12 is be VBZ 33154 288 13 simply simply RB 33154 288 14 producing produce VBG 33154 288 15 _ _ NNP 33154 288 16 motion motion NN 33154 288 17 _ _ NNP 33154 288 18 , , , 33154 288 19 as as IN 33154 288 20 in in IN 33154 288 21 the the DT 33154 288 22 case case NN 33154 288 23 of of IN 33154 288 24 heat heat NN 33154 288 25 , , , 33154 288 26 the the DT 33154 288 27 motion motion NN 33154 288 28 being being NN 33154 288 29 of of IN 33154 288 30 such such PDT 33154 288 31 a a DT 33154 288 32 sort sort NN 33154 288 33 that that WDT 33154 288 34 the the DT 33154 288 35 eyes eye NNS 33154 288 36 of of IN 33154 288 37 men man NNS 33154 288 38 are be VBP 33154 288 39 affected affect VBN 33154 288 40 by by IN 33154 288 41 it -PRON- PRP 33154 288 42 . . . 33154 289 1 4th 4th LS 33154 289 2 , , , 33154 289 3 It -PRON- PRP 33154 289 4 can can MD 33154 289 5 produce produce VB 33154 289 6 _ _ NNP 33154 289 7 magnetism magnetism NN 33154 289 8 _ _ NNP 33154 289 9 . . . 33154 290 1 A a DT 33154 290 2 current current NN 33154 290 3 of of IN 33154 290 4 electricity electricity NN 33154 290 5 passing pass VBG 33154 290 6 through through IN 33154 290 7 a a DT 33154 290 8 coil coil NN 33154 290 9 of of IN 33154 290 10 wire wire NN 33154 290 11 makes make VBZ 33154 290 12 such such PDT 33154 290 13 a a DT 33154 290 14 coil coil NN 33154 290 15 a a DT 33154 290 16 magnet magnet NN 33154 290 17 , , , 33154 290 18 which which WDT 33154 290 19 will will MD 33154 290 20 set set VB 33154 290 21 itself -PRON- PRP 33154 290 22 in in IN 33154 290 23 the the DT 33154 290 24 direction direction NN 33154 290 25 of of IN 33154 290 26 the the DT 33154 290 27 magnetic magnetic JJ 33154 290 28 meridian meridian NN 33154 290 29 of of IN 33154 290 30 the the DT 33154 290 31 earth earth NN 33154 290 32 ; ; : 33154 290 33 and and CC 33154 290 34 , , , 33154 290 35 if if IN 33154 290 36 a a DT 33154 290 37 bar bar NN 33154 290 38 of of IN 33154 290 39 soft soft JJ 33154 290 40 iron iron NN 33154 290 41 be be VB 33154 290 42 placed place VBN 33154 290 43 in in IN 33154 290 44 the the DT 33154 290 45 coil coil NN 33154 290 46 , , , 33154 290 47 it -PRON- PRP 33154 290 48 becomes become VBZ 33154 290 49 the the DT 33154 290 50 familiar familiar JJ 33154 290 51 electro electro JJ 33154 290 52 - - HYPH 33154 290 53 magnet magnet NN 33154 290 54 ; ; : 33154 290 55 and and CC 33154 290 56 , , , 33154 290 57 if if IN 33154 290 58 hardened harden VBN 33154 290 59 steel steel NN 33154 290 60 be be VB 33154 290 61 put put VBN 33154 290 62 in in IN 33154 290 63 it -PRON- PRP 33154 290 64 , , , 33154 290 65 it -PRON- PRP 33154 290 66 becomes become VBZ 33154 290 67 a a DT 33154 290 68 permanent permanent JJ 33154 290 69 magnet magnet NN 33154 290 70 . . . 33154 291 1 This this DT 33154 291 2 leads lead VBZ 33154 291 3 to to IN 33154 291 4 the the DT 33154 291 5 inquiry inquiry NN 33154 291 6 as as IN 33154 291 7 to to IN 33154 291 8 what what WDT 33154 291 9 magnetism magnetism NN 33154 291 10 is be VBZ 33154 291 11 . . . 33154 292 1 We -PRON- PRP 33154 292 2 know know VBP 33154 292 3 that that IN 33154 292 4 it -PRON- PRP 33154 292 5 can can MD 33154 292 6 produce produce VB 33154 292 7 motion motion NN 33154 292 8 by by IN 33154 292 9 its -PRON- PRP$ 33154 292 10 moving moving NN 33154 292 11 at at IN 33154 292 12 a a DT 33154 292 13 distance distance NN 33154 292 14 a a DT 33154 292 15 piece piece NN 33154 292 16 of of IN 33154 292 17 iron iron NN 33154 292 18 or or CC 33154 292 19 another another DT 33154 292 20 magnet magnet NN 33154 292 21 . . . 33154 293 1 It -PRON- PRP 33154 293 2 will will MD 33154 293 3 also also RB 33154 293 4 sustain sustain VB 33154 293 5 a a DT 33154 293 6 mass mass NN 33154 293 7 of of IN 33154 293 8 matter matter NN 33154 293 9 against against IN 33154 293 10 gravity gravity NN 33154 293 11 or or CC 33154 293 12 some some DT 33154 293 13 other other JJ 33154 293 14 contrary contrary JJ 33154 293 15 force force NN 33154 293 16 . . . 33154 294 1 Through through IN 33154 294 2 such such JJ 33154 294 3 mechanism mechanism NN 33154 294 4 as as IN 33154 294 5 magneto magneto NNP 33154 294 6 - - HYPH 33154 294 7 electric electric JJ 33154 294 8 machines machine NNS 33154 294 9 it -PRON- PRP 33154 294 10 produces produce VBZ 33154 294 11 electricity electricity NN 33154 294 12 in in IN 33154 294 13 great great JJ 33154 294 14 abundance abundance NN 33154 294 15 , , , 33154 294 16 which which WDT 33154 294 17 again again RB 33154 294 18 can can MD 33154 294 19 be be VB 33154 294 20 used use VBN 33154 294 21 to to TO 33154 294 22 produce produce VB 33154 294 23 any any DT 33154 294 24 of of IN 33154 294 25 the the DT 33154 294 26 effects effect NNS 33154 294 27 of of IN 33154 294 28 electricity,--moving electricity,--move VBG 33154 294 29 bodies body NNS 33154 294 30 by by IN 33154 294 31 attraction attraction NN 33154 294 32 or or CC 33154 294 33 repulsion repulsion NN 33154 294 34 , , , 33154 294 35 generating generate VBG 33154 294 36 heat heat NN 33154 294 37 or or CC 33154 294 38 light light NN 33154 294 39 , , , 33154 294 40 or or CC 33154 294 41 again again RB 33154 294 42 making make VBG 33154 294 43 a a DT 33154 294 44 magnet magnet NN 33154 294 45 . . . 33154 295 1 But but CC 33154 295 2 as as IN 33154 295 3 all all DT 33154 295 4 of of IN 33154 295 5 these these DT 33154 295 6 are be VBP 33154 295 7 but but CC 33154 295 8 varied varied JJ 33154 295 9 forms form NNS 33154 295 10 of of IN 33154 295 11 motion motion NN 33154 295 12 , , , 33154 295 13 either either CC 33154 295 14 of of IN 33154 295 15 a a DT 33154 295 16 mass mass NN 33154 295 17 as as IN 33154 295 18 a a DT 33154 295 19 whole whole NN 33154 295 20 , , , 33154 295 21 or or CC 33154 295 22 molecular molecular JJ 33154 295 23 , , , 33154 295 24 can can MD 33154 295 25 it -PRON- PRP 33154 295 26 be be VB 33154 295 27 doubted doubt VBN 33154 295 28 for for IN 33154 295 29 an an DT 33154 295 30 instant instant NN 33154 295 31 , , , 33154 295 32 that that IN 33154 295 33 what what WP 33154 295 34 we -PRON- PRP 33154 295 35 call call VBP 33154 295 36 magnetism magnetism NN 33154 295 37 is be VBZ 33154 295 38 but but CC 33154 295 39 some some DT 33154 295 40 form form NN 33154 295 41 of of IN 33154 295 42 motion motion NN 33154 295 43 ? ? . 33154 296 1 Must Must MD 33154 296 2 it -PRON- PRP 33154 296 3 not not RB 33154 296 4 be be VB 33154 296 5 either either CC 33154 296 6 some some DT 33154 296 7 form form NN 33154 296 8 of of IN 33154 296 9 matter matter NN 33154 296 10 , , , 33154 296 11 or or CC 33154 296 12 some some DT 33154 296 13 form form NN 33154 296 14 of of IN 33154 296 15 motion motion NN 33154 296 16 ? ? . 33154 297 1 If if IN 33154 297 2 it -PRON- PRP 33154 297 3 were be VBD 33154 297 4 a a DT 33154 297 5 form form NN 33154 297 6 of of IN 33154 297 7 matter matter NN 33154 297 8 , , , 33154 297 9 then then RB 33154 297 10 a a DT 33154 297 11 magnet magnet NN 33154 297 12 would would MD 33154 297 13 only only RB 33154 297 14 be be VB 33154 297 15 permanent permanent JJ 33154 297 16 so so RB 33154 297 17 long long RB 33154 297 18 as as IN 33154 297 19 it -PRON- PRP 33154 297 20 was be VBD 33154 297 21 not not RB 33154 297 22 used use VBN 33154 297 23 ; ; : 33154 297 24 for for IN 33154 297 25 use use NN 33154 297 26 implies imply VBZ 33154 297 27 consumption consumption NN 33154 297 28 of of IN 33154 297 29 the the DT 33154 297 30 force force NN 33154 297 31 ; ; : 33154 297 32 and and CC 33154 297 33 , , , 33154 297 34 if if IN 33154 297 35 this this DT 33154 297 36 be be VB 33154 297 37 matter matter NN 33154 297 38 in in IN 33154 297 39 any any DT 33154 297 40 form form NN 33154 297 41 , , , 33154 297 42 then then RB 33154 297 43 in in IN 33154 297 44 a a DT 33154 297 45 given give VBN 33154 297 46 mass mass NN 33154 297 47 of of IN 33154 297 48 matter matter NN 33154 297 49 there there EX 33154 297 50 can can MD 33154 297 51 be be VB 33154 297 52 but but CC 33154 297 53 a a DT 33154 297 54 definite definite JJ 33154 297 55 quantity quantity NN 33154 297 56 of of IN 33154 297 57 such such JJ 33154 297 58 magnetic magnetic JJ 33154 297 59 matter matter NN 33154 297 60 , , , 33154 297 61 and and CC 33154 297 62 consumption consumption NN 33154 297 63 must must MD 33154 297 64 lessen lessen VB 33154 297 65 that that DT 33154 297 66 quantity quantity NN 33154 297 67 . . . 33154 298 1 As as IN 33154 298 2 a a DT 33154 298 3 matter matter NN 33154 298 4 of of IN 33154 298 5 fact fact NN 33154 298 6 , , , 33154 298 7 there there EX 33154 298 8 is be VBZ 33154 298 9 no no DT 33154 298 10 perceptible perceptible JJ 33154 298 11 lessening lessening NN 33154 298 12 of of IN 33154 298 13 the the DT 33154 298 14 power power NN 33154 298 15 of of IN 33154 298 16 a a DT 33154 298 17 magnet magnet NN 33154 298 18 when when WRB 33154 298 19 it -PRON- PRP 33154 298 20 is be VBZ 33154 298 21 properly properly RB 33154 298 22 used use VBN 33154 298 23 . . . 33154 299 1 It -PRON- PRP 33154 299 2 is be VBZ 33154 299 3 also also RB 33154 299 4 a a DT 33154 299 5 matter matter NN 33154 299 6 of of IN 33154 299 7 fact fact NN 33154 299 8 , , , 33154 299 9 that that IN 33154 299 10 neither neither DT 33154 299 11 motion motion NN 33154 299 12 of of IN 33154 299 13 a a DT 33154 299 14 mass mass NN 33154 299 15 , , , 33154 299 16 nor nor CC 33154 299 17 electrical electrical JJ 33154 299 18 effects effect NNS 33154 299 19 , , , 33154 299 20 nor nor CC 33154 299 21 any any DT 33154 299 22 other other JJ 33154 299 23 , , , 33154 299 24 can can MD 33154 299 25 be be VB 33154 299 26 produced produce VBN 33154 299 27 by by IN 33154 299 28 the the DT 33154 299 29 action action NN 33154 299 30 of of IN 33154 299 31 a a DT 33154 299 32 magnet magnet NN 33154 299 33 alone alone RB 33154 299 34 . . . 33154 300 1 It -PRON- PRP 33154 300 2 is be VBZ 33154 300 3 only only RB 33154 300 4 when when WRB 33154 300 5 some some DT 33154 300 6 form form NN 33154 300 7 of of IN 33154 300 8 motion motion NN 33154 300 9 has have VBZ 33154 300 10 been be VBN 33154 300 11 added add VBN 33154 300 12 to to IN 33154 300 13 its -PRON- PRP$ 33154 300 14 own own JJ 33154 300 15 property property NN 33154 300 16 , , , 33154 300 17 that that IN 33154 300 18 we -PRON- PRP 33154 300 19 get get VBP 33154 300 20 any any DT 33154 300 21 kind kind NN 33154 300 22 of of IN 33154 300 23 an an DT 33154 300 24 effect effect NN 33154 300 25 from from IN 33154 300 26 it -PRON- PRP 33154 300 27 : : : 33154 300 28 hence hence RB 33154 300 29 all all DT 33154 300 30 effects effect NNS 33154 300 31 due due JJ 33154 300 32 to to IN 33154 300 33 its -PRON- PRP$ 33154 300 34 action action NN 33154 300 35 are be VBP 33154 300 36 _ _ NNP 33154 300 37 resultants resultant NNS 33154 300 38 _ _ NNP 33154 300 39 of of IN 33154 300 40 two two CD 33154 300 41 forces force NNS 33154 300 42 , , , 33154 300 43 one one CD 33154 300 44 of of IN 33154 300 45 them -PRON- PRP 33154 300 46 being be VBG 33154 300 47 common common JJ 33154 300 48 motion motion NN 33154 300 49 of of IN 33154 300 50 a a DT 33154 300 51 mass mass NN 33154 300 52 of of IN 33154 300 53 matter matter NN 33154 300 54 , , , 33154 300 55 and and CC 33154 300 56 the the DT 33154 300 57 other other JJ 33154 300 58 the the DT 33154 300 59 energy energy NN 33154 300 60 of of IN 33154 300 61 the the DT 33154 300 62 magnet magnet NN 33154 300 63 . . . 33154 301 1 Hence hence RB 33154 301 2 we -PRON- PRP 33154 301 3 infer infer VBP 33154 301 4 that that IN 33154 301 5 a a DT 33154 301 6 magnet magnet NN 33154 301 7 is be VBZ 33154 301 8 a a DT 33154 301 9 mechanism mechanism NN 33154 301 10 of of IN 33154 301 11 such such PDT 33154 301 12 a a DT 33154 301 13 structure structure NN 33154 301 14 as as IN 33154 301 15 to to TO 33154 301 16 change change VB 33154 301 17 the the DT 33154 301 18 direction direction NN 33154 301 19 and and CC 33154 301 20 character character NN 33154 301 21 of of IN 33154 301 22 the the DT 33154 301 23 motion motion NN 33154 301 24 which which WDT 33154 301 25 acts act VBZ 33154 301 26 upon upon IN 33154 301 27 it -PRON- PRP 33154 301 28 . . . 33154 302 1 When when WRB 33154 302 2 the the DT 33154 302 3 wheel wheel NN 33154 302 4 of of IN 33154 302 5 a a DT 33154 302 6 common common JJ 33154 302 7 electrical electrical JJ 33154 302 8 machine machine NN 33154 302 9 is be VBZ 33154 302 10 turned turn VBN 33154 302 11 , , , 33154 302 12 the the DT 33154 302 13 product product NN 33154 302 14 is be VBZ 33154 302 15 electricity,--a electricity,--a NNP 33154 302 16 force force NN 33154 302 17 very very RB 33154 302 18 different different JJ 33154 302 19 from from IN 33154 302 20 that that DT 33154 302 21 which which WDT 33154 302 22 originates originate VBZ 33154 302 23 it -PRON- PRP 33154 302 24 . . . 33154 303 1 Ordinary ordinary JJ 33154 303 2 mechanical mechanical JJ 33154 303 3 motion motion NN 33154 303 4 _ _ NNP 33154 303 5 goes go VBZ 33154 303 6 in in IN 33154 303 7 _ _ NNP 33154 303 8 ; ; : 33154 303 9 electricity electricity NN 33154 303 10 _ _ NNP 33154 303 11 comes come VBZ 33154 303 12 out out RP 33154 303 13 _ _ NNP 33154 303 14 , , , 33154 303 15 the the DT 33154 303 16 latter latter NN 33154 303 17 being be VBG 33154 303 18 a a DT 33154 303 19 modified modify VBN 33154 303 20 motion motion NN 33154 303 21 due due IN 33154 303 22 to to IN 33154 303 23 the the DT 33154 303 24 physical physical JJ 33154 303 25 structure structure NN 33154 303 26 of of IN 33154 303 27 the the DT 33154 303 28 machine machine NN 33154 303 29 . . . 33154 304 1 In in IN 33154 304 2 like like JJ 33154 304 3 manner manner NN 33154 304 4 , , , 33154 304 5 a a DT 33154 304 6 magnet magnet NN 33154 304 7 may may MD 33154 304 8 be be VB 33154 304 9 considered consider VBN 33154 304 10 as as IN 33154 304 11 a a DT 33154 304 12 machine machine NN 33154 304 13 by by IN 33154 304 14 means mean NNS 33154 304 15 of of IN 33154 304 16 which which WDT 33154 304 17 mechanical mechanical JJ 33154 304 18 motion motion NN 33154 304 19 may may MD 33154 304 20 be be VB 33154 304 21 converted convert VBN 33154 304 22 into into IN 33154 304 23 some some DT 33154 304 24 other other JJ 33154 304 25 form form NN 33154 304 26 of of IN 33154 304 27 motion motion NN 33154 304 28 . . . 33154 305 1 It -PRON- PRP 33154 305 2 is be VBZ 33154 305 3 evident evident JJ 33154 305 4 that that IN 33154 305 5 molecular molecular JJ 33154 305 6 structure structure NN 33154 305 7 is be VBZ 33154 305 8 chiefly chiefly RB 33154 305 9 concerned concerned JJ 33154 305 10 in in IN 33154 305 11 this this DT 33154 305 12 . . . 33154 306 1 If if IN 33154 306 2 a a DT 33154 306 3 bar bar NN 33154 306 4 of of IN 33154 306 5 iron iron NN 33154 306 6 that that WDT 33154 306 7 exhibits exhibit VBZ 33154 306 8 no no DT 33154 306 9 evidence evidence NN 33154 306 10 of of IN 33154 306 11 magnetism magnetism NN 33154 306 12 whatever whatever WDT 33154 306 13 be be VB 33154 306 14 subjected subject VBN 33154 306 15 to to IN 33154 306 16 torsion torsion NN 33154 306 17 , , , 33154 306 18 it -PRON- PRP 33154 306 19 will will MD 33154 306 20 immediately immediately RB 33154 306 21 become become VB 33154 306 22 a a DT 33154 306 23 magnet magnet NN 33154 306 24 with with IN 33154 306 25 poles pole NNS 33154 306 26 dependent dependent JJ 33154 306 27 upon upon IN 33154 306 28 the the DT 33154 306 29 direction direction NN 33154 306 30 of of IN 33154 306 31 the the DT 33154 306 32 twist twist NN 33154 306 33 . . . 33154 307 1 This this DT 33154 307 2 developed develop VBN 33154 307 3 magnetism magnetism NN 33154 307 4 will will MD 33154 307 5 re re VB 33154 307 6 - - VB 33154 307 7 act act VB 33154 307 8 upon upon IN 33154 307 9 a a DT 33154 307 10 coil coil NN 33154 307 11 of of IN 33154 307 12 wire wire NN 33154 307 13 , , , 33154 307 14 and and CC 33154 307 15 so so RB 33154 307 16 move move VB 33154 307 17 a a DT 33154 307 18 galvanometer galvanometer NN 33154 307 19 needle needle NN 33154 307 20 . . . 33154 308 1 If if IN 33154 308 2 the the DT 33154 308 3 bar bar NN 33154 308 4 be be VBP 33154 308 5 permitted permit VBN 33154 308 6 to to TO 33154 308 7 recover recover VB 33154 308 8 its -PRON- PRP$ 33154 308 9 original original JJ 33154 308 10 condition condition NN 33154 308 11 , , , 33154 308 12 it -PRON- PRP 33154 308 13 will will MD 33154 308 14 lose lose VB 33154 308 15 its -PRON- PRP$ 33154 308 16 magnetism magnetism NN 33154 308 17 , , , 33154 308 18 which which WDT 33154 308 19 will will MD 33154 308 20 at at IN 33154 308 21 once once RB 33154 308 22 re re VB 33154 308 23 - - VB 33154 308 24 appear appear VB 33154 308 25 upon upon IN 33154 308 26 twisting twist VBG 33154 308 27 the the DT 33154 308 28 rod rod NN 33154 308 29 again again RB 33154 308 30 . . . 33154 309 1 Now now RB 33154 309 2 , , , 33154 309 3 when when WRB 33154 309 4 the the DT 33154 309 5 rod rod NN 33154 309 6 is be VBZ 33154 309 7 twisted twist VBN 33154 309 8 , , , 33154 309 9 it -PRON- PRP 33154 309 10 is be VBZ 33154 309 11 evident evident JJ 33154 309 12 that that IN 33154 309 13 there there EX 33154 309 14 is be VBZ 33154 309 15 a a DT 33154 309 16 molecular molecular JJ 33154 309 17 strain strain NN 33154 309 18 in in IN 33154 309 19 certain certain JJ 33154 309 20 directions direction NNS 33154 309 21 throughout throughout IN 33154 309 22 the the DT 33154 309 23 mass mass NN 33154 309 24 . . . 33154 310 1 The the DT 33154 310 2 converse converse NN 33154 310 3 experiment experiment NN 33154 310 4 illustrates illustrate VBZ 33154 310 5 the the DT 33154 310 6 same same JJ 33154 310 7 thing thing NN 33154 310 8 . . . 33154 311 1 It -PRON- PRP 33154 311 2 has have VBZ 33154 311 3 been be VBN 33154 311 4 found find VBN 33154 311 5 , , , 33154 311 6 that that IN 33154 311 7 when when WRB 33154 311 8 a a DT 33154 311 9 rod rod NN 33154 311 10 of of IN 33154 311 11 iron iron NN 33154 311 12 is be VBZ 33154 311 13 made make VBN 33154 311 14 magnetic magnetic JJ 33154 311 15 by by IN 33154 311 16 the the DT 33154 311 17 action action NN 33154 311 18 of of IN 33154 311 19 a a DT 33154 311 20 current current NN 33154 311 21 of of IN 33154 311 22 electricity electricity NN 33154 311 23 circulating circulate VBG 33154 311 24 about about IN 33154 311 25 it -PRON- PRP 33154 311 26 , , , 33154 311 27 and and CC 33154 311 28 at at IN 33154 311 29 the the DT 33154 311 30 same same JJ 33154 311 31 time time NN 33154 311 32 passing pass VBG 33154 311 33 longitudinally longitudinally RB 33154 311 34 through through IN 33154 311 35 it -PRON- PRP 33154 311 36 , , , 33154 311 37 the the DT 33154 311 38 rod rod NN 33154 311 39 is be VBZ 33154 311 40 slightly slightly RB 33154 311 41 lengthened lengthen VBN 33154 311 42 and and CC 33154 311 43 twisted twist VBN 33154 311 44 in in IN 33154 311 45 a a DT 33154 311 46 direction direction NN 33154 311 47 that that WDT 33154 311 48 depends depend VBZ 33154 311 49 upon upon IN 33154 311 50 the the DT 33154 311 51 direction direction NN 33154 311 52 of of IN 33154 311 53 the the DT 33154 311 54 current current NN 33154 311 55 . . . 33154 312 1 Moreover moreover RB 33154 312 2 , , , 33154 312 3 if if IN 33154 312 4 a a DT 33154 312 5 permanent permanent JJ 33154 312 6 magnet magnet NN 33154 312 7 be be VB 33154 312 8 heated heat VBN 33154 312 9 to to IN 33154 312 10 a a DT 33154 312 11 red red JJ 33154 312 12 heat heat NN 33154 312 13 , , , 33154 312 14 its -PRON- PRP$ 33154 312 15 magnetism magnetism NN 33154 312 16 is be VBZ 33154 312 17 destroyed destroy VBN 33154 312 18 ; ; : 33154 312 19 for for IN 33154 312 20 such such PDT 33154 312 21 a a DT 33154 312 22 heat heat NN 33154 312 23 allows allow VBZ 33154 312 24 the the DT 33154 312 25 molecules molecule NNS 33154 312 26 to to TO 33154 312 27 freely freely RB 33154 312 28 arrange arrange VB 33154 312 29 themselves -PRON- PRP 33154 312 30 without without IN 33154 312 31 any any DT 33154 312 32 external external JJ 33154 312 33 constraint constraint NN 33154 312 34 . . . 33154 313 1 Also also RB 33154 313 2 , , , 33154 313 3 if if IN 33154 313 4 a a DT 33154 313 5 permanent permanent JJ 33154 313 6 magnet magnet NN 33154 313 7 be be VB 33154 313 8 suspended suspend VBN 33154 313 9 so so IN 33154 313 10 as as IN 33154 313 11 to to TO 33154 313 12 give give VB 33154 313 13 out out RP 33154 313 14 a a DT 33154 313 15 musical musical JJ 33154 313 16 sound sound NN 33154 313 17 when when WRB 33154 313 18 it -PRON- PRP 33154 313 19 is be VBZ 33154 313 20 struck strike VBN 33154 313 21 , , , 33154 313 22 the the DT 33154 313 23 magnetism magnetism NN 33154 313 24 will will MD 33154 313 25 be be VB 33154 313 26 much much RB 33154 313 27 weakened weaken VBN 33154 313 28 by by IN 33154 313 29 making make VBG 33154 313 30 it -PRON- PRP 33154 313 31 thus thus RB 33154 313 32 to to TO 33154 313 33 vibrate vibrate VB 33154 313 34 . . . 33154 314 1 In in IN 33154 314 2 this this DT 33154 314 3 case case NN 33154 314 4 , , , 33154 314 5 as as IN 33154 314 6 in in IN 33154 314 7 the the DT 33154 314 8 other other JJ 33154 314 9 , , , 33154 314 10 the the DT 33154 314 11 vibrations vibration NNS 33154 314 12 affect affect VBP 33154 314 13 every every DT 33154 314 14 molecule molecule NN 33154 314 15 , , , 33154 314 16 and and CC 33154 314 17 so so RB 33154 314 18 enable enable VB 33154 314 19 them -PRON- PRP 33154 314 20 to to TO 33154 314 21 re re VB 33154 314 22 - - VB 33154 314 23 adjust adjust VB 33154 314 24 themselves -PRON- PRP 33154 314 25 to to IN 33154 314 26 the the DT 33154 314 27 positions position NNS 33154 314 28 they -PRON- PRP 33154 314 29 held hold VBD 33154 314 30 before before IN 33154 314 31 being be VBG 33154 314 32 magnetized magnetize VBN 33154 314 33 . . . 33154 315 1 The the DT 33154 315 2 same same JJ 33154 315 3 thing thing NN 33154 315 4 happens happen VBZ 33154 315 5 when when WRB 33154 315 6 a a DT 33154 315 7 bar bar NN 33154 315 8 of of IN 33154 315 9 iron iron NN 33154 315 10 is be VBZ 33154 315 11 made make VBN 33154 315 12 magnetic magnetic JJ 33154 315 13 through through IN 33154 315 14 the the DT 33154 315 15 inductive inductive JJ 33154 315 16 action action NN 33154 315 17 of of IN 33154 315 18 the the DT 33154 315 19 earth earth NN 33154 315 20 . . . 33154 316 1 When when WRB 33154 316 2 this this DT 33154 316 3 bar bar NN 33154 316 4 is be VBZ 33154 316 5 held hold VBN 33154 316 6 in in IN 33154 316 7 the the DT 33154 316 8 direction direction NN 33154 316 9 of of IN 33154 316 10 the the DT 33154 316 11 magnetic magnetic JJ 33154 316 12 dip dip NN 33154 316 13 , , , 33154 316 14 it -PRON- PRP 33154 316 15 becomes become VBZ 33154 316 16 but but CC 33154 316 17 very very RB 33154 316 18 slightly slightly RB 33154 316 19 magnetized magnetize VBN 33154 316 20 ; ; : 33154 316 21 but but CC 33154 316 22 , , , 33154 316 23 if if IN 33154 316 24 it -PRON- PRP 33154 316 25 be be VB 33154 316 26 so so RB 33154 316 27 held hold VBN 33154 316 28 that that IN 33154 316 29 when when WRB 33154 316 30 it -PRON- PRP 33154 316 31 is be VBZ 33154 316 32 struck strike VBN 33154 316 33 with with IN 33154 316 34 a a DT 33154 316 35 hammer hammer NN 33154 316 36 it -PRON- PRP 33154 316 37 will will MD 33154 316 38 ring ring VB 33154 316 39 , , , 33154 316 40 that that RB 33154 316 41 is is RB 33154 316 42 , , , 33154 316 43 give give VB 33154 316 44 out out RP 33154 316 45 a a DT 33154 316 46 musical musical JJ 33154 316 47 sound sound NN 33154 316 48 , , , 33154 316 49 it -PRON- PRP 33154 316 50 will will MD 33154 316 51 at at IN 33154 316 52 once once RB 33154 316 53 become become VB 33154 316 54 decidedly decidedly RB 33154 316 55 magnetic magnetic JJ 33154 316 56 . . . 33154 317 1 Evidently evidently RB 33154 317 2 the the DT 33154 317 3 earth earth NN 33154 317 4 's 's POS 33154 317 5 action action NN 33154 317 6 tends tend VBZ 33154 317 7 to to TO 33154 317 8 set set VB 33154 317 9 the the DT 33154 317 10 molecules molecule NNS 33154 317 11 of of IN 33154 317 12 the the DT 33154 317 13 mass mass NN 33154 317 14 in in IN 33154 317 15 a a DT 33154 317 16 new new JJ 33154 317 17 position position NN 33154 317 18 , , , 33154 317 19 but but CC 33154 317 20 cohesion cohesion NN 33154 317 21 prevents prevent VBZ 33154 317 22 them -PRON- PRP 33154 317 23 from from IN 33154 317 24 assuming assume VBG 33154 317 25 it -PRON- PRP 33154 317 26 . . . 33154 318 1 When when WRB 33154 318 2 the the DT 33154 318 3 molecules molecule NNS 33154 318 4 are be VBP 33154 318 5 made make VBN 33154 318 6 to to TO 33154 318 7 vibrate vibrate VB 33154 318 8 , , , 33154 318 9 they -PRON- PRP 33154 318 10 can can MD 33154 318 11 assume assume VB 33154 318 12 such such JJ 33154 318 13 new new JJ 33154 318 14 positions position NNS 33154 318 15 more more RBR 33154 318 16 readily readily RB 33154 318 17 . . . 33154 319 1 The the DT 33154 319 2 molecules molecule NNS 33154 319 3 of of IN 33154 319 4 a a DT 33154 319 5 magnet magnet NN 33154 319 6 , , , 33154 319 7 then then RB 33154 319 8 , , , 33154 319 9 are be VBP 33154 319 10 differently differently RB 33154 319 11 arranged arrange VBN 33154 319 12 from from IN 33154 319 13 those those DT 33154 319 14 in in IN 33154 319 15 an an DT 33154 319 16 unmagnetized unmagnetized JJ 33154 319 17 piece piece NN 33154 319 18 of of IN 33154 319 19 iron iron NN 33154 319 20 or or CC 33154 319 21 steel steel NN 33154 319 22 ; ; , 33154 319 23 and and CC 33154 319 24 , , , 33154 319 25 for for IN 33154 319 26 every every DT 33154 319 27 new new JJ 33154 319 28 arrangement arrangement NN 33154 319 29 of of IN 33154 319 30 the the DT 33154 319 31 molecules molecule NNS 33154 319 32 of of IN 33154 319 33 a a DT 33154 319 34 mass mass NN 33154 319 35 of of IN 33154 319 36 any any DT 33154 319 37 kind kind NN 33154 319 38 , , , 33154 319 39 we -PRON- PRP 33154 319 40 always always RB 33154 319 41 have have VBP 33154 319 42 some some DT 33154 319 43 new new JJ 33154 319 44 physical physical JJ 33154 319 45 property property NN 33154 319 46 developed develop VBD 33154 319 47 . . . 33154 320 1 The the DT 33154 320 2 same same JJ 33154 320 3 identical identical JJ 33154 320 4 substance substance NN 33154 320 5 may may MD 33154 320 6 appear appear VB 33154 320 7 as as IN 33154 320 8 charcoal charcoal NN 33154 320 9 , , , 33154 320 10 coke coke NNP 33154 320 11 , , , 33154 320 12 plumbago plumbago NNP 33154 320 13 , , , 33154 320 14 anthracite anthracite NN 33154 320 15 coal coal NN 33154 320 16 , , , 33154 320 17 and and CC 33154 320 18 diamond diamond NN 33154 320 19 . . . 33154 321 1 Hence hence RB 33154 321 2 a a DT 33154 321 3 magnet magnet NN 33154 321 4 is be VBZ 33154 321 5 a a DT 33154 321 6 machine machine NN 33154 321 7 in in IN 33154 321 8 which which WDT 33154 321 9 other other JJ 33154 321 10 forces force NNS 33154 321 11 acting act VBG 33154 321 12 upon upon IN 33154 321 13 it -PRON- PRP 33154 321 14 are be VBP 33154 321 15 transformed transform VBN 33154 321 16 in in IN 33154 321 17 character character NN 33154 321 18 , , , 33154 321 19 and and CC 33154 321 20 re re NN 33154 321 21 - - NN 33154 321 22 appear appear VB 33154 321 23 as as IN 33154 321 24 attractions attraction NNS 33154 321 25 and and CC 33154 321 26 repulsions repulsion NNS 33154 321 27 of of IN 33154 321 28 other other JJ 33154 321 29 kinds kind NNS 33154 321 30 of of IN 33154 321 31 matter matter NN 33154 321 32 : : : 33154 321 33 this this DT 33154 321 34 transformation transformation NN 33154 321 35 can can MD 33154 321 36 not not RB 33154 321 37 take take VB 33154 321 38 place place NN 33154 321 39 , , , 33154 321 40 and and CC 33154 321 41 hence hence RB 33154 321 42 magnetism magnetism NN 33154 321 43 can can MD 33154 321 44 not not RB 33154 321 45 become become VB 33154 321 46 apparent apparent JJ 33154 321 47 , , , 33154 321 48 only only RB 33154 321 49 upon upon IN 33154 321 50 the the DT 33154 321 51 condition condition NN 33154 321 52 of of IN 33154 321 53 another another DT 33154 321 54 force force NN 33154 321 55 acting act VBG 33154 321 56 in in IN 33154 321 57 concert concert NN 33154 321 58 with with IN 33154 321 59 it -PRON- PRP 33154 321 60 ; ; : 33154 321 61 and and CC 33154 321 62 , , , 33154 321 63 if if IN 33154 321 64 at at IN 33154 321 65 any any DT 33154 321 66 time time NN 33154 321 67 it -PRON- PRP 33154 321 68 may may MD 33154 321 69 seem seem VB 33154 321 70 to to TO 33154 321 71 be be VB 33154 321 72 acting act VBG 33154 321 73 without without IN 33154 321 74 such such JJ 33154 321 75 external external JJ 33154 321 76 force force NN 33154 321 77 , , , 33154 321 78 it -PRON- PRP 33154 321 79 is be VBZ 33154 321 80 done do VBN 33154 321 81 at at IN 33154 321 82 the the DT 33154 321 83 expense expense NN 33154 321 84 of of IN 33154 321 85 the the DT 33154 321 86 heat heat NN 33154 321 87 it -PRON- PRP 33154 321 88 has have VBZ 33154 321 89 absorbed absorb VBN 33154 321 90 , , , 33154 321 91 and and CC 33154 321 92 therefore therefore RB 33154 321 93 the the DT 33154 321 94 magnet magnet NN 33154 321 95 must must MD 33154 321 96 at at IN 33154 321 97 such such JJ 33154 321 98 time time NN 33154 321 99 be be VB 33154 321 100 losing lose VBG 33154 321 101 temperature temperature NN 33154 321 102 proportional proportional JJ 33154 321 103 to to IN 33154 321 104 the the DT 33154 321 105 work work NN 33154 321 106 done do VBN 33154 321 107 . . . 33154 322 1 This this DT 33154 322 2 I -PRON- PRP 33154 322 3 have have VBP 33154 322 4 discovered discover VBN 33154 322 5 to to TO 33154 322 6 be be VB 33154 322 7 true true JJ 33154 322 8 by by IN 33154 322 9 making make VBG 33154 322 10 a a DT 33154 322 11 magnet magnet NN 33154 322 12 to to TO 33154 322 13 exert exert VB 33154 322 14 its -PRON- PRP$ 33154 322 15 force force NN 33154 322 16 in in IN 33154 322 17 front front NN 33154 322 18 of of IN 33154 322 19 a a DT 33154 322 20 thermo thermo JJ 33154 322 21 - - HYPH 33154 322 22 pile pile NN 33154 322 23 , , , 33154 322 24 which which WDT 33154 322 25 uniformly uniformly RB 33154 322 26 exhibits exhibit VBZ 33154 322 27 a a DT 33154 322 28 cooled cool VBN 33154 322 29 face face NN 33154 322 30 under under IN 33154 322 31 such such JJ 33154 322 32 conditions condition NNS 33154 322 33 . . . 33154 323 1 What what WP 33154 323 2 the the DT 33154 323 3 particular particular JJ 33154 323 4 form form NN 33154 323 5 of of IN 33154 323 6 the the DT 33154 323 7 motion motion NN 33154 323 8 may may MD 33154 323 9 be be VB 33154 323 10 that that IN 33154 323 11 we -PRON- PRP 33154 323 12 call call VBP 33154 323 13 magnetism magnetism NN 33154 323 14 , , , 33154 323 15 is be VBZ 33154 323 16 not not RB 33154 323 17 yet yet RB 33154 323 18 made make VBN 33154 323 19 out out RP 33154 323 20 ; ; : 33154 323 21 but but CC 33154 323 22 that that IN 33154 323 23 it -PRON- PRP 33154 323 24 is be VBZ 33154 323 25 some some DT 33154 323 26 form form NN 33154 323 27 of of IN 33154 323 28 motion motion NN 33154 323 29 , , , 33154 323 30 is be VBZ 33154 323 31 very very RB 33154 323 32 evident evident JJ 33154 323 33 . . . 33154 324 1 The the DT 33154 324 2 following follow VBG 33154 324 3 experiments experiment NNS 33154 324 4 may may MD 33154 324 5 throw throw VB 33154 324 6 some some DT 33154 324 7 light light NN 33154 324 8 upon upon IN 33154 324 9 it -PRON- PRP 33154 324 10 . . . 33154 325 1 Last last JJ 33154 325 2 August August NNP 33154 325 3 Mr. Mr. NNP 33154 325 4 Kerr Kerr NNP 33154 325 5 read read VBD 33154 325 6 a a DT 33154 325 7 paper paper NN 33154 325 8 before before IN 33154 325 9 the the DT 33154 325 10 British British NNP 33154 325 11 Association Association NNP 33154 325 12 of of IN 33154 325 13 Science Science NNP 33154 325 14 , , , 33154 325 15 in in IN 33154 325 16 which which WDT 33154 325 17 was be VBD 33154 325 18 detailed detail VBN 33154 325 19 the the DT 33154 325 20 following following JJ 33154 325 21 experiment experiment NN 33154 325 22 : : : 33154 325 23 The the DT 33154 325 24 pole pole NN 33154 325 25 of of IN 33154 325 26 an an DT 33154 325 27 electro electro JJ 33154 325 28 - - HYPH 33154 325 29 magnet magnet NN 33154 325 30 was be VBD 33154 325 31 nicely nicely RB 33154 325 32 polished polished JJ 33154 325 33 so so IN 33154 325 34 as as IN 33154 325 35 to to TO 33154 325 36 reflect reflect VB 33154 325 37 light light NN 33154 325 38 like like IN 33154 325 39 a a DT 33154 325 40 mirror mirror NN 33154 325 41 . . . 33154 326 1 A a DT 33154 326 2 beam beam NN 33154 326 3 of of IN 33154 326 4 sunlight sunlight NN 33154 326 5 was be VBD 33154 326 6 permitted permit VBN 33154 326 7 to to TO 33154 326 8 fall fall VB 33154 326 9 upon upon IN 33154 326 10 it -PRON- PRP 33154 326 11 , , , 33154 326 12 and and CC 33154 326 13 be be VB 33154 326 14 reflected reflect VBN 33154 326 15 to to IN 33154 326 16 a a DT 33154 326 17 convenient convenient JJ 33154 326 18 place place NN 33154 326 19 for for IN 33154 326 20 examination examination NN 33154 326 21 . . . 33154 327 1 A a DT 33154 327 2 current current NN 33154 327 3 of of IN 33154 327 4 electricity electricity NN 33154 327 5 was be VBD 33154 327 6 sent send VBN 33154 327 7 through through IN 33154 327 8 the the DT 33154 327 9 coil coil NN 33154 327 10 , , , 33154 327 11 which which WDT 33154 327 12 of of IN 33154 327 13 course course NN 33154 327 14 rendered render VBD 33154 327 15 the the DT 33154 327 16 iron iron NN 33154 327 17 magnetic magnetic JJ 33154 327 18 ; ; : 33154 327 19 and and CC 33154 327 20 it -PRON- PRP 33154 327 21 was be VBD 33154 327 22 noticed notice VBN 33154 327 23 that that IN 33154 327 24 the the DT 33154 327 25 light light NN 33154 327 26 that that WDT 33154 327 27 was be VBD 33154 327 28 reflected reflect VBN 33154 327 29 from from IN 33154 327 30 the the DT 33154 327 31 pole pole NN 33154 327 32 was be VBD 33154 327 33 circularly circularly RB 33154 327 34 polarized polarize VBN 33154 327 35 : : : 33154 327 36 that that RB 33154 327 37 is is RB 33154 327 38 , , , 33154 327 39 the the DT 33154 327 40 motion motion NN 33154 327 41 of of IN 33154 327 42 a a DT 33154 327 43 ray ray NN 33154 327 44 , , , 33154 327 45 instead instead RB 33154 327 46 of of IN 33154 327 47 being be VBG 33154 327 48 a a DT 33154 327 49 simple simple JJ 33154 327 50 undulatory undulatory JJ 33154 327 51 movement movement NN 33154 327 52 , , , 33154 327 53 was be VBD 33154 327 54 now now RB 33154 327 55 made make VBN 33154 327 56 to to TO 33154 327 57 assume assume VB 33154 327 58 such such PDT 33154 327 59 a a DT 33154 327 60 motion motion NN 33154 327 61 as as IN 33154 327 62 the the DT 33154 327 63 water water NN 33154 327 64 from from IN 33154 327 65 a a DT 33154 327 66 garden garden NN 33154 327 67 - - HYPH 33154 327 68 hose hose NN 33154 327 69 has have VBZ 33154 327 70 when when WRB 33154 327 71 the the DT 33154 327 72 nozzle nozzle NN 33154 327 73 is be VBZ 33154 327 74 swung swing VBN 33154 327 75 round round RB 33154 327 76 in in IN 33154 327 77 a a DT 33154 327 78 circle circle NN 33154 327 79 while while IN 33154 327 80 the the DT 33154 327 81 water water NN 33154 327 82 is be VBZ 33154 327 83 escaping escape VBG 33154 327 84 from from IN 33154 327 85 it -PRON- PRP 33154 327 86 . . . 33154 328 1 After after IN 33154 328 2 reading read VBG 33154 328 3 the the DT 33154 328 4 account account NN 33154 328 5 of of IN 33154 328 6 it -PRON- PRP 33154 328 7 , , , 33154 328 8 it -PRON- PRP 33154 328 9 occurred occur VBD 33154 328 10 to to IN 33154 328 11 me -PRON- PRP 33154 328 12 that that IN 33154 328 13 the the DT 33154 328 14 converse converse NN 33154 328 15 experiment experiment NN 33154 328 16 might may MD 33154 328 17 be be VB 33154 328 18 tried try VBN 33154 328 19 ; ; : 33154 328 20 that that DT 33154 328 21 is be VBZ 33154 328 22 to to TO 33154 328 23 say say VB 33154 328 24 , , , 33154 328 25 the the DT 33154 328 26 effect effect NN 33154 328 27 of of IN 33154 328 28 a a DT 33154 328 29 circularly circularly RB 33154 328 30 polarized polarize VBN 33154 328 31 beam beam NN 33154 328 32 of of IN 33154 328 33 light light NN 33154 328 34 upon upon IN 33154 328 35 a a DT 33154 328 36 piece piece NN 33154 328 37 of of IN 33154 328 38 steel steel NN 33154 328 39 . . . 33154 329 1 By by IN 33154 329 2 concentrating concentrate VBG 33154 329 3 a a DT 33154 329 4 large large JJ 33154 329 5 beam beam NN 33154 329 6 of of IN 33154 329 7 ordinary ordinary JJ 33154 329 8 plane plane NN 33154 329 9 polarized polarize VBD 33154 329 10 light light NN 33154 329 11 with with IN 33154 329 12 a a DT 33154 329 13 quartz quartz NN 33154 329 14 lens lens NN 33154 329 15 , , , 33154 329 16 and and CC 33154 329 17 passing pass VBG 33154 329 18 it -PRON- PRP 33154 329 19 through through IN 33154 329 20 a a DT 33154 329 21 quarter quarter NN 33154 329 22 wave wave NN 33154 329 23 - - HYPH 33154 329 24 plate plate NN 33154 329 25 at at IN 33154 329 26 the the DT 33154 329 27 proper proper JJ 33154 329 28 angle angle NN 33154 329 29 , , , 33154 329 30 a a DT 33154 329 31 powerful powerful JJ 33154 329 32 beam beam NN 33154 329 33 of of IN 33154 329 34 circularly circularly RB 33154 329 35 polarized polarize VBN 33154 329 36 light light NN 33154 329 37 was be VBD 33154 329 38 obtained obtain VBN 33154 329 39 . . . 33154 330 1 At at IN 33154 330 2 the the DT 33154 330 3 focus focus NN 33154 330 4 of of IN 33154 330 5 this this DT 33154 330 6 beam beam NN 33154 330 7 a a DT 33154 330 8 fine fine JJ 33154 330 9 cambric cambric NN 33154 330 10 needle needle NN 33154 330 11 without without IN 33154 330 12 magnetism magnetism NN 33154 330 13 was be VBD 33154 330 14 placed place VBN 33154 330 15 so so IN 33154 330 16 that that IN 33154 330 17 the the DT 33154 330 18 light light NN 33154 330 19 passed pass VBD 33154 330 20 it -PRON- PRP 33154 330 21 longitudinally longitudinally RB 33154 330 22 . . . 33154 331 1 Ten ten CD 33154 331 2 minutes minute NNS 33154 331 3 ' ' POS 33154 331 4 exposure exposure NN 33154 331 5 was be VBD 33154 331 6 sufficient sufficient JJ 33154 331 7 to to TO 33154 331 8 make make VB 33154 331 9 it -PRON- PRP 33154 331 10 decidedly decidedly RB 33154 331 11 magnetic magnetic JJ 33154 331 12 . . . 33154 332 1 Hence hence RB 33154 332 2 I -PRON- PRP 33154 332 3 infer infer VBP 33154 332 4 that that IN 33154 332 5 the the DT 33154 332 6 motions motion NNS 33154 332 7 which which WDT 33154 332 8 we -PRON- PRP 33154 332 9 call call VBP 33154 332 10 magnetic magnetic JJ 33154 332 11 attractions attraction NNS 33154 332 12 and and CC 33154 332 13 repulsions repulsion NNS 33154 332 14 may may MD 33154 332 15 be be VB 33154 332 16 quite quite RB 33154 332 17 analogous analogous JJ 33154 332 18 to to IN 33154 332 19 such such JJ 33154 332 20 helical helical JJ 33154 332 21 motions motion NNS 33154 332 22 ; ; : 33154 332 23 also also RB 33154 332 24 , , , 33154 332 25 that that IN 33154 332 26 these these DT 33154 332 27 motions motion NNS 33154 332 28 exist exist VBP 33154 332 29 in in IN 33154 332 30 ether ether NN 33154 332 31 , , , 33154 332 32 and and CC 33154 332 33 evidently evidently RB 33154 332 34 may may MD 33154 332 35 be be VB 33154 332 36 either either CC 33154 332 37 right right RB 33154 332 38 - - HYPH 33154 332 39 handed handed JJ 33154 332 40 or or CC 33154 332 41 left left JJ 33154 332 42 - - HYPH 33154 332 43 handed handed JJ 33154 332 44 . . . 33154 333 1 Wind wind VB 33154 333 2 up up RP 33154 333 3 on on IN 33154 333 4 a a DT 33154 333 5 pencil pencil NN 33154 333 6 a a DT 33154 333 7 piece piece NN 33154 333 8 of of IN 33154 333 9 wire wire NN 33154 333 10 twelve twelve CD 33154 333 11 or or CC 33154 333 12 fifteen fifteen CD 33154 333 13 inches inch NNS 33154 333 14 long long JJ 33154 333 15 , , , 33154 333 16 making make VBG 33154 333 17 a a DT 33154 333 18 loose loose JJ 33154 333 19 spiral spiral NN 33154 333 20 . . . 33154 334 1 Bring bring VB 33154 334 2 the the DT 33154 334 3 two two CD 33154 334 4 ends end NNS 33154 334 5 of of IN 33154 334 6 the the DT 33154 334 7 spiral spiral NN 33154 334 8 together together RB 33154 334 9 ; ; : 33154 334 10 and and CC 33154 334 11 note note VB 33154 334 12 first first RB 33154 334 13 that that IN 33154 334 14 one one NN 33154 334 15 is be VBZ 33154 334 16 twisted twist VBN 33154 334 17 to to IN 33154 334 18 the the DT 33154 334 19 right right NN 33154 334 20 , , , 33154 334 21 the the DT 33154 334 22 other other JJ 33154 334 23 to to IN 33154 334 24 the the DT 33154 334 25 left left NN 33154 334 26 . . . 33154 335 1 If if IN 33154 335 2 they -PRON- PRP 33154 335 3 be be VBP 33154 335 4 twisted twist VBN 33154 335 5 into into IN 33154 335 6 each each DT 33154 335 7 other other JJ 33154 335 8 , , , 33154 335 9 they -PRON- PRP 33154 335 10 will will MD 33154 335 11 advance advance VB 33154 335 12 very very RB 33154 335 13 easily easily RB 33154 335 14 ; ; : 33154 335 15 but but CC 33154 335 16 if if IN 33154 335 17 a a DT 33154 335 18 right right JJ 33154 335 19 - - HYPH 33154 335 20 handed handed JJ 33154 335 21 spiral spiral NN 33154 335 22 were be VBD 33154 335 23 to to TO 33154 335 24 be be VB 33154 335 25 interlocked interlock VBN 33154 335 26 with with IN 33154 335 27 another another DT 33154 335 28 like like IN 33154 335 29 it -PRON- PRP 33154 335 30 , , , 33154 335 31 and and CC 33154 335 32 both both DT 33154 335 33 turned turn VBD 33154 335 34 in in RP 33154 335 35 the the DT 33154 335 36 direction direction NN 33154 335 37 of of IN 33154 335 38 their -PRON- PRP$ 33154 335 39 spiral spiral NN 33154 335 40 , , , 33154 335 41 they -PRON- PRP 33154 335 42 would would MD 33154 335 43 separate separate VB 33154 335 44 rapidly rapidly RB 33154 335 45 . . . 33154 336 1 Applying apply VBG 33154 336 2 this this DT 33154 336 3 conception conception NN 33154 336 4 to to IN 33154 336 5 a a DT 33154 336 6 magnet magnet NN 33154 336 7 , , , 33154 336 8 we -PRON- PRP 33154 336 9 might may MD 33154 336 10 suppose suppose VB 33154 336 11 that that IN 33154 336 12 such such JJ 33154 336 13 spiral spiral JJ 33154 336 14 motions motion NNS 33154 336 15 will will MD 33154 336 16 be be VB 33154 336 17 set set VBN 33154 336 18 up up RP 33154 336 19 in in IN 33154 336 20 the the DT 33154 336 21 ether ether NN 33154 336 22 by by IN 33154 336 23 the the DT 33154 336 24 magnet magnet NN 33154 336 25 , , , 33154 336 26 and and CC 33154 336 27 that that IN 33154 336 28 such such JJ 33154 336 29 motions motion NNS 33154 336 30 re re VBP 33154 336 31 - - JJ 33154 336 32 acting act VBG 33154 336 33 upon upon IN 33154 336 34 ordinary ordinary JJ 33154 336 35 matter matter NN 33154 336 36 affect affect VB 33154 336 37 it -PRON- PRP 33154 336 38 as as IN 33154 336 39 attraction attraction NN 33154 336 40 and and CC 33154 336 41 repulsion repulsion NN 33154 336 42 ; ; , 33154 336 43 and and CC 33154 336 44 thus thus RB 33154 336 45 we -PRON- PRP 33154 336 46 should should MD 33154 336 47 have have VB 33154 336 48 at at IN 33154 336 49 least least JJS 33154 336 50 a a DT 33154 336 51 conceivable conceivable JJ 33154 336 52 mechanical mechanical JJ 33154 336 53 explanation explanation NN 33154 336 54 of of IN 33154 336 55 the the DT 33154 336 56 phenomenon phenomenon NN 33154 336 57 . . . 33154 337 1 [ [ -LRB- 33154 337 2 Illustration illustration NN 33154 337 3 : : : 33154 337 4 FIG FIG NNP 33154 337 5 . . . 33154 338 1 5 5 CD 33154 338 2 . . . 33154 338 3 ] ] -RRB- 33154 339 1 There there EX 33154 339 2 are be VBP 33154 339 3 numberless numberless JJ 33154 339 4 experiments experiment NNS 33154 339 5 which which WDT 33154 339 6 might may MD 33154 339 7 be be VB 33154 339 8 given give VBN 33154 339 9 to to TO 33154 339 10 further further RB 33154 339 11 exhibit exhibit VB 33154 339 12 the the DT 33154 339 13 relation relation NN 33154 339 14 of of IN 33154 339 15 mass mass JJ 33154 339 16 motion motion NN 33154 339 17 to to IN 33154 339 18 magnetism magnetism NN 33154 339 19 , , , 33154 339 20 but but CC 33154 339 21 a a DT 33154 339 22 single single JJ 33154 339 23 one one CD 33154 339 24 more more JJR 33154 339 25 must must MD 33154 339 26 suffice suffice VB 33154 339 27 . . . 33154 340 1 No no DT 33154 340 2 rotation rotation NN 33154 340 3 of of IN 33154 340 4 a a DT 33154 340 5 magnet magnet NN 33154 340 6 upon upon IN 33154 340 7 its -PRON- PRP$ 33154 340 8 own own JJ 33154 340 9 axis axi NNS 33154 340 10 can can MD 33154 340 11 produce produce VB 33154 340 12 any any DT 33154 340 13 effects effect NNS 33154 340 14 upon upon IN 33154 340 15 a a DT 33154 340 16 current current NN 33154 340 17 that that WDT 33154 340 18 is be VBZ 33154 340 19 exterior exterior JJ 33154 340 20 to to IN 33154 340 21 it -PRON- PRP 33154 340 22 ; ; : 33154 340 23 but but CC 33154 340 24 if if IN 33154 340 25 a a DT 33154 340 26 loop loop NN 33154 340 27 of of IN 33154 340 28 wire wire NN 33154 340 29 be be VB 33154 340 30 kept keep VBN 33154 340 31 stationary stationary JJ 33154 340 32 adjacent adjacent JJ 33154 340 33 to to IN 33154 340 34 a a DT 33154 340 35 magnet magnet NN 33154 340 36 , , , 33154 340 37 as as IN 33154 340 38 in in IN 33154 340 39 Fig Fig NNP 33154 340 40 . . . 33154 341 1 5 5 CD 33154 341 2 , , , 33154 341 3 while while IN 33154 341 4 the the DT 33154 341 5 magnet magnet NN 33154 341 6 revolves revolve VBZ 33154 341 7 , , , 33154 341 8 a a DT 33154 341 9 current current NN 33154 341 10 of of IN 33154 341 11 electricity electricity NN 33154 341 12 is be VBZ 33154 341 13 produced produce VBN 33154 341 14 ; ; : 33154 341 15 and and CC 33154 341 16 if if IN 33154 341 17 the the DT 33154 341 18 magnet magnet NN 33154 341 19 be be VB 33154 341 20 kept keep VBN 33154 341 21 stationary stationary JJ 33154 341 22 , , , 33154 341 23 and and CC 33154 341 24 the the DT 33154 341 25 loop loop NN 33154 341 26 revolves revolve VBZ 33154 341 27 , , , 33154 341 28 a a DT 33154 341 29 current current NN 33154 341 30 will will MD 33154 341 31 also also RB 33154 341 32 be be VB 33154 341 33 produced produce VBN 33154 341 34 , , , 33154 341 35 but but CC 33154 341 36 in in IN 33154 341 37 the the DT 33154 341 38 opposite opposite JJ 33154 341 39 direction direction NN 33154 341 40 . . . 33154 342 1 Here here RB 33154 342 2 , , , 33154 342 3 as as IN 33154 342 4 in in IN 33154 342 5 all all PDT 33154 342 6 the the DT 33154 342 7 other other JJ 33154 342 8 cases case NNS 33154 342 9 , , , 33154 342 10 no no DT 33154 342 11 electricity electricity NN 33154 342 12 is be VBZ 33154 342 13 originated originate VBN 33154 342 14 , , , 33154 342 15 save save VB 33154 342 16 when when WRB 33154 342 17 motion motion NN 33154 342 18 is be VBZ 33154 342 19 imparted impart VBN 33154 342 20 to to IN 33154 342 21 one one CD 33154 342 22 or or CC 33154 342 23 other other JJ 33154 342 24 of of IN 33154 342 25 the the DT 33154 342 26 parts part NNS 33154 342 27 . . . 33154 343 1 This this DT 33154 343 2 experiment experiment NN 33154 343 3 is be VBZ 33154 343 4 due due JJ 33154 343 5 to to IN 33154 343 6 Faraday Faraday NNP 33154 343 7 . . . 33154 344 1 From from IN 33154 344 2 all all PDT 33154 344 3 these these DT 33154 344 4 cases case NNS 33154 344 5 we -PRON- PRP 33154 344 6 can can MD 33154 344 7 come come VB 33154 344 8 to to IN 33154 344 9 but but CC 33154 344 10 one one CD 33154 344 11 conclusion conclusion NN 33154 344 12 , , , 33154 344 13 that that IN 33154 344 14 both both CC 33154 344 15 electricity electricity NN 33154 344 16 and and CC 33154 344 17 magnetism magnetism NN 33154 344 18 are be VBP 33154 344 19 but but CC 33154 344 20 forms form NNS 33154 344 21 of of IN 33154 344 22 motion motion NN 33154 344 23 ; ; : 33154 344 24 electricity electricity NN 33154 344 25 being be VBG 33154 344 26 a a DT 33154 344 27 form form NN 33154 344 28 of of IN 33154 344 29 motion motion NN 33154 344 30 in in IN 33154 344 31 ordinary ordinary JJ 33154 344 32 matter matter NN 33154 344 33 , , , 33154 344 34 for for IN 33154 344 35 it -PRON- PRP 33154 344 36 can can MD 33154 344 37 not not RB 33154 344 38 be be VB 33154 344 39 made make VBN 33154 344 40 to to TO 33154 344 41 pass pass VB 33154 344 42 through through RP 33154 344 43 a a DT 33154 344 44 vacuum vacuum NN 33154 344 45 , , , 33154 344 46 while while IN 33154 344 47 magnetism magnetism NN 33154 344 48 must must MD 33154 344 49 be be VB 33154 344 50 a a DT 33154 344 51 form form NN 33154 344 52 of of IN 33154 344 53 motion motion NN 33154 344 54 induced induce VBN 33154 344 55 in in IN 33154 344 56 the the DT 33154 344 57 ether ether NN 33154 344 58 , , , 33154 344 59 for for IN 33154 344 60 it -PRON- PRP 33154 344 61 is be VBZ 33154 344 62 as as RB 33154 344 63 effective effective JJ 33154 344 64 in in IN 33154 344 65 a a DT 33154 344 66 vacuum vacuum NN 33154 344 67 as as IN 33154 344 68 out out IN 33154 344 69 of of IN 33154 344 70 it -PRON- PRP 33154 344 71 ; ; : 33154 344 72 electricity electricity NN 33154 344 73 always always RB 33154 344 74 needing need VBG 33154 344 75 some some DT 33154 344 76 material material JJ 33154 344 77 conductor conductor NN 33154 344 78 , , , 33154 344 79 magnetism magnetism NN 33154 344 80 needing need VBG 33154 344 81 no no RB 33154 344 82 more more RBR 33154 344 83 than than IN 33154 344 84 do do VB 33154 344 85 radiant radiant JJ 33154 344 86 heat heat NN 33154 344 87 and and CC 33154 344 88 light light NN 33154 344 89 . . . 33154 345 1 VELOCITY velocity NN 33154 345 2 . . . 33154 346 1 Measurements measurement NNS 33154 346 2 have have VBP 33154 346 3 been be VBN 33154 346 4 made make VBN 33154 346 5 of of IN 33154 346 6 the the DT 33154 346 7 velocity velocity NN 33154 346 8 of of IN 33154 346 9 electricity electricity NN 33154 346 10 ; ; : 33154 346 11 both both CC 33154 346 12 that that DT 33154 346 13 of of IN 33154 346 14 high high JJ 33154 346 15 tension tension NN 33154 346 16 , , , 33154 346 17 such such JJ 33154 346 18 as as IN 33154 346 19 the the DT 33154 346 20 spark spark NN 33154 346 21 from from IN 33154 346 22 a a DT 33154 346 23 Leyden Leyden NNP 33154 346 24 jar jar NN 33154 346 25 , , , 33154 346 26 and and CC 33154 346 27 also also RB 33154 346 28 that that IN 33154 346 29 from from IN 33154 346 30 a a DT 33154 346 31 battery battery NN 33154 346 32 . . . 33154 347 1 The the DT 33154 347 2 former former JJ 33154 347 3 was be VBD 33154 347 4 found find VBN 33154 347 5 to to TO 33154 347 6 have have VB 33154 347 7 a a DT 33154 347 8 velocity velocity NN 33154 347 9 over over IN 33154 347 10 200,000 200,000 CD 33154 347 11 miles mile NNS 33154 347 12 a a DT 33154 347 13 second second NN 33154 347 14 , , , 33154 347 15 while while IN 33154 347 16 the the DT 33154 347 17 electricity electricity NN 33154 347 18 from from IN 33154 347 19 a a DT 33154 347 20 battery battery NN 33154 347 21 may may MD 33154 347 22 move move VB 33154 347 23 as as RB 33154 347 24 slowly slowly RB 33154 347 25 as as IN 33154 347 26 15,000 15,000 CD 33154 347 27 or or CC 33154 347 28 20,000 20,000 CD 33154 347 29 miles mile NNS 33154 347 30 a a DT 33154 347 31 second second NN 33154 347 32 ; ; : 33154 347 33 but but CC 33154 347 34 this this DT 33154 347 35 is be VBZ 33154 347 36 very very RB 33154 347 37 largely largely RB 33154 347 38 a a DT 33154 347 39 matter matter NN 33154 347 40 of of IN 33154 347 41 conductors conductor NNS 33154 347 42 . . . 33154 348 1 Its -PRON- PRP$ 33154 348 2 velocity velocity NN 33154 348 3 is be VBZ 33154 348 4 seldom seldom RB 33154 348 5 above above IN 33154 348 6 30,000 30,000 CD 33154 348 7 miles mile NNS 33154 348 8 a a DT 33154 348 9 second second JJ 33154 348 10 on on IN 33154 348 11 ordinary ordinary JJ 33154 348 12 telegraphic telegraphic JJ 33154 348 13 lines line NNS 33154 348 14 . . . 33154 349 1 If if IN 33154 349 2 the the DT 33154 349 3 electricity electricity NN 33154 349 4 be be VB 33154 349 5 used use VBN 33154 349 6 to to TO 33154 349 7 give give VB 33154 349 8 signals signal NNS 33154 349 9 , , , 33154 349 10 as as IN 33154 349 11 in in IN 33154 349 12 ordinary ordinary JJ 33154 349 13 telegraphy telegraphy NN 33154 349 14 , , , 33154 349 15 the the DT 33154 349 16 time time NN 33154 349 17 required require VBN 33154 349 18 varies vary VBZ 33154 349 19 nearly nearly RB 33154 349 20 as as IN 33154 349 21 the the DT 33154 349 22 length length NN 33154 349 23 of of IN 33154 349 24 the the DT 33154 349 25 line line NN 33154 349 26 , , , 33154 349 27 and and CC 33154 349 28 in in IN 33154 349 29 any any DT 33154 349 30 case case NN 33154 349 31 is be VBZ 33154 349 32 a a DT 33154 349 33 much much RB 33154 349 34 greater great JJR 33154 349 35 quantity quantity NN 33154 349 36 . . . 33154 350 1 Prescott Prescott NNP 33154 350 2 in in IN 33154 350 3 his -PRON- PRP$ 33154 350 4 work work NN 33154 350 5 on on IN 33154 350 6 the the DT 33154 350 7 telegraph telegraph NN 33154 350 8 states state VBZ 33154 350 9 that that IN 33154 350 10 " " `` 33154 350 11 the the DT 33154 350 12 time time NN 33154 350 13 required require VBN 33154 350 14 to to TO 33154 350 15 produce produce VB 33154 350 16 a a DT 33154 350 17 signal signal NN 33154 350 18 on on IN 33154 350 19 the the DT 33154 350 20 electro electro JJ 33154 350 21 - - HYPH 33154 350 22 magnet magnet NN 33154 350 23 at at IN 33154 350 24 the the DT 33154 350 25 extremity extremity NN 33154 350 26 of of IN 33154 350 27 a a DT 33154 350 28 line line NN 33154 350 29 of of IN 33154 350 30 300 300 CD 33154 350 31 miles mile NNS 33154 350 32 of of IN 33154 350 33 No no UH 33154 350 34 . . . 33154 351 1 8 8 CD 33154 351 2 iron iron NN 33154 351 3 wire wire NN 33154 351 4 is be VBZ 33154 351 5 about about RB 33154 351 6 .01 .01 NFP 33154 351 7 seconds second NNS 33154 351 8 , , , 33154 351 9 and and CC 33154 351 10 that that IN 33154 351 11 this this DT 33154 351 12 time time NN 33154 351 13 increases increase VBZ 33154 351 14 in in IN 33154 351 15 a a DT 33154 351 16 greater great JJR 33154 351 17 proportion proportion NN 33154 351 18 than than IN 33154 351 19 the the DT 33154 351 20 length length NN 33154 351 21 of of IN 33154 351 22 the the DT 33154 351 23 line line NN 33154 351 24 ; ; : 33154 351 25 for for IN 33154 351 26 example example NN 33154 351 27 , , , 33154 351 28 on on IN 33154 351 29 a a DT 33154 351 30 line line NN 33154 351 31 600 600 CD 33154 351 32 miles mile NNS 33154 351 33 in in IN 33154 351 34 length length NN 33154 351 35 it -PRON- PRP 33154 351 36 amounts amount VBZ 33154 351 37 to to IN 33154 351 38 about about RB 33154 351 39 .03 .03 CD 33154 351 40 seconds second NNS 33154 351 41 . . . 33154 351 42 " " '' 33154 352 1 He -PRON- PRP 33154 352 2 also also RB 33154 352 3 states state VBZ 33154 352 4 that that IN 33154 352 5 it -PRON- PRP 33154 352 6 varies vary VBZ 33154 352 7 much much JJ 33154 352 8 with with IN 33154 352 9 the the DT 33154 352 10 kind kind NN 33154 352 11 of of IN 33154 352 12 magnet magnet NN 33154 352 13 used use VBN 33154 352 14 , , , 33154 352 15 some some DT 33154 352 16 forms form NNS 33154 352 17 of of IN 33154 352 18 magnets magnet NNS 33154 352 19 being be VBG 33154 352 20 much much RB 33154 352 21 more more RBR 33154 352 22 sensitive sensitive JJ 33154 352 23 than than IN 33154 352 24 others other NNS 33154 352 25 for for IN 33154 352 26 this this DT 33154 352 27 work work NN 33154 352 28 . . . 33154 353 1 Wheatstone wheatstone NN 33154 353 2 proved prove VBD 33154 353 3 a a DT 33154 353 4 good good JJ 33154 353 5 many many JJ 33154 353 6 years year NNS 33154 353 7 ago ago RB 33154 353 8 that that IN 33154 353 9 the the DT 33154 353 10 duration duration NN 33154 353 11 of of IN 33154 353 12 the the DT 33154 353 13 electric electric JJ 33154 353 14 spark spark NN 33154 353 15 was be VBD 33154 353 16 less less JJR 33154 353 17 than than IN 33154 353 18 one one CD 33154 353 19 millionth millionth NN 33154 353 20 of of IN 33154 353 21 a a DT 33154 353 22 second second NN 33154 353 23 . . . 33154 354 1 When when WRB 33154 354 2 a a DT 33154 354 3 swiftly swiftly RB 33154 354 4 moving move VBG 33154 354 5 body body NN 33154 354 6 can can MD 33154 354 7 only only RB 33154 354 8 be be VB 33154 354 9 seen see VBN 33154 354 10 by by IN 33154 354 11 an an DT 33154 354 12 electric electric JJ 33154 354 13 spark spark NN 33154 354 14 , , , 33154 354 15 or or CC 33154 354 16 flash flash NN 33154 354 17 of of IN 33154 354 18 lightning lightning NN 33154 354 19 , , , 33154 354 20 it -PRON- PRP 33154 354 21 looks look VBZ 33154 354 22 as as IN 33154 354 23 if if IN 33154 354 24 it -PRON- PRP 33154 354 25 were be VBD 33154 354 26 quiescent quiescent JJ 33154 354 27 . . . 33154 355 1 Thus thus RB 33154 355 2 a a DT 33154 355 3 train train NN 33154 355 4 of of IN 33154 355 5 cars car NNS 33154 355 6 rushing rush VBG 33154 355 7 along along IN 33154 355 8 at at IN 33154 355 9 the the DT 33154 355 10 rate rate NN 33154 355 11 of of IN 33154 355 12 forty forty CD 33154 355 13 or or CC 33154 355 14 fifty fifty CD 33154 355 15 miles mile NNS 33154 355 16 per per IN 33154 355 17 hour hour NN 33154 355 18 appears appear VBZ 33154 355 19 sharply sharply RB 33154 355 20 defined,--even defined,--even PDT 33154 355 21 the the DT 33154 355 22 driving driving NN 33154 355 23 - - HYPH 33154 355 24 wheels wheel NNS 33154 355 25 of of IN 33154 355 26 the the DT 33154 355 27 locomotive locomotive JJ 33154 355 28 can can MD 33154 355 29 be be VB 33154 355 30 seen see VBN 33154 355 31 in in IN 33154 355 32 detail detail NN 33154 355 33 , , , 33154 355 34 which which WDT 33154 355 35 is be VBZ 33154 355 36 impossible impossible JJ 33154 355 37 in in IN 33154 355 38 continuous continuous JJ 33154 355 39 light,--and light,--and NNP 33154 355 40 all all DT 33154 355 41 seems seem VBZ 33154 355 42 to to TO 33154 355 43 be be VB 33154 355 44 standing stand VBG 33154 355 45 still still RB 33154 355 46 . . . 33154 356 1 In in IN 33154 356 2 like like JJ 33154 356 3 manner manner NN 33154 356 4 will will MD 33154 356 5 the the DT 33154 356 6 sails sail NNS 33154 356 7 of of IN 33154 356 8 a a DT 33154 356 9 windmill windmill NN 33154 356 10 , , , 33154 356 11 which which WDT 33154 356 12 may may MD 33154 356 13 be be VB 33154 356 14 turning turn VBG 33154 356 15 at at IN 33154 356 16 a a DT 33154 356 17 rapid rapid JJ 33154 356 18 rate rate NN 33154 356 19 , , , 33154 356 20 be be VB 33154 356 21 seen see VBN 33154 356 22 apparently apparently RB 33154 356 23 at at IN 33154 356 24 rest rest NN 33154 356 25 . . . 33154 357 1 This this DT 33154 357 2 is be VBZ 33154 357 3 because because IN 33154 357 4 in in IN 33154 357 5 the the DT 33154 357 6 short short JJ 33154 357 7 time time NN 33154 357 8 during during IN 33154 357 9 which which WDT 33154 357 10 they -PRON- PRP 33154 357 11 are be VBP 33154 357 12 illuminated illuminate VBN 33154 357 13 they -PRON- PRP 33154 357 14 do do VBP 33154 357 15 not not RB 33154 357 16 appreciably appreciably RB 33154 357 17 move move VB 33154 357 18 . . . 33154 358 1 I -PRON- PRP 33154 358 2 am be VBP 33154 358 3 not not RB 33154 358 4 aware aware JJ 33154 358 5 that that IN 33154 358 6 any any DT 33154 358 7 attempt attempt NN 33154 358 8 has have VBZ 33154 358 9 been be VBN 33154 358 10 made make VBN 33154 358 11 to to TO 33154 358 12 measure measure VB 33154 358 13 the the DT 33154 358 14 velocity velocity NN 33154 358 15 of of IN 33154 358 16 magnetism magnetism NN 33154 358 17 . . . 33154 359 1 If if IN 33154 359 2 , , , 33154 359 3 however however RB 33154 359 4 , , , 33154 359 5 it -PRON- PRP 33154 359 6 be be VB 33154 359 7 a a DT 33154 359 8 form form NN 33154 359 9 of of IN 33154 359 10 motion motion NN 33154 359 11 in in IN 33154 359 12 ether ether NN 33154 359 13 , , , 33154 359 14 it -PRON- PRP 33154 359 15 is be VBZ 33154 359 16 probable probable JJ 33154 359 17 that that IN 33154 359 18 the the DT 33154 359 19 velocity velocity NN 33154 359 20 is be VBZ 33154 359 21 comparable comparable JJ 33154 359 22 to to IN 33154 359 23 the the DT 33154 359 24 velocity velocity NN 33154 359 25 of of IN 33154 359 26 radiant radiant JJ 33154 359 27 energy energy NN 33154 359 28 , , , 33154 359 29 light light NN 33154 359 30 , , , 33154 359 31 which which WDT 33154 359 32 is be VBZ 33154 359 33 equal equal JJ 33154 359 34 to to IN 33154 359 35 about about RB 33154 359 36 186,000 186,000 CD 33154 359 37 miles mile NNS 33154 359 38 a a DT 33154 359 39 second second NN 33154 359 40 . . . 33154 360 1 SOUND SOUND NNP 33154 360 2 . . . 33154 361 1 BEFORE before IN 33154 361 2 explaining explain VBG 33154 361 3 the the DT 33154 361 4 relation relation NN 33154 361 5 that that DT 33154 361 6 sound sound NN 33154 361 7 has have VBZ 33154 361 8 to to IN 33154 361 9 telephony telephony NN 33154 361 10 , , , 33154 361 11 it -PRON- PRP 33154 361 12 will will MD 33154 361 13 be be VB 33154 361 14 necessary necessary JJ 33154 361 15 to to TO 33154 361 16 make make VB 33154 361 17 quite quite RB 33154 361 18 plain plain JJ 33154 361 19 what what WDT 33154 361 20 sound sound NN 33154 361 21 is be VBZ 33154 361 22 , , , 33154 361 23 and and CC 33154 361 24 how how WRB 33154 361 25 it -PRON- PRP 33154 361 26 affects affect VBZ 33154 361 27 the the DT 33154 361 28 substance substance NN 33154 361 29 of of IN 33154 361 30 the the DT 33154 361 31 body body NN 33154 361 32 through through IN 33154 361 33 which which WDT 33154 361 34 it -PRON- PRP 33154 361 35 moves move VBZ 33154 361 36 . . . 33154 362 1 If if IN 33154 362 2 I -PRON- PRP 33154 362 3 strike strike VBP 33154 362 4 my -PRON- PRP$ 33154 362 5 pencil pencil NN 33154 362 6 upon upon IN 33154 362 7 the the DT 33154 362 8 table table NN 33154 362 9 , , , 33154 362 10 I -PRON- PRP 33154 362 11 hear hear VBP 33154 362 12 a a DT 33154 362 13 snap snap NN 33154 362 14 that that WDT 33154 362 15 appears appear VBZ 33154 362 16 to to IN 33154 362 17 the the DT 33154 362 18 ear ear NN 33154 362 19 to to TO 33154 362 20 be be VB 33154 362 21 simultaneous simultaneous JJ 33154 362 22 with with IN 33154 362 23 the the DT 33154 362 24 stroke stroke NN 33154 362 25 : : : 33154 362 26 if if IN 33154 362 27 , , , 33154 362 28 however however RB 33154 362 29 , , , 33154 362 30 I -PRON- PRP 33154 362 31 see see VBP 33154 362 32 a a DT 33154 362 33 man man NN 33154 362 34 upon upon IN 33154 362 35 a a DT 33154 362 36 somewhat somewhat RB 33154 362 37 distant distant JJ 33154 362 38 hill hill NN 33154 362 39 strike strike NN 33154 362 40 a a DT 33154 362 41 tree tree NN 33154 362 42 with with IN 33154 362 43 an an DT 33154 362 44 axe axe NN 33154 362 45 , , , 33154 362 46 the the DT 33154 362 47 sound sound NN 33154 362 48 does do VBZ 33154 362 49 not not RB 33154 362 50 reach reach VB 33154 362 51 me -PRON- PRP 33154 362 52 until until IN 33154 362 53 some some DT 33154 362 54 appreciable appreciable JJ 33154 362 55 time time NN 33154 362 56 has have VBZ 33154 362 57 passed pass VBN 33154 362 58 ; ; : 33154 362 59 and and CC 33154 362 60 it -PRON- PRP 33154 362 61 is be VBZ 33154 362 62 noted note VBN 33154 362 63 , , , 33154 362 64 that that IN 33154 362 65 , , , 33154 362 66 the the DT 33154 362 67 farther far RBR 33154 362 68 away away RB 33154 362 69 the the DT 33154 362 70 place place NN 33154 362 71 where where WRB 33154 362 72 a a DT 33154 362 73 so so RB 33154 362 74 - - HYPH 33154 362 75 called call VBN 33154 362 76 sound sound NN 33154 362 77 originates originate NNS 33154 362 78 , , , 33154 362 79 the the DT 33154 362 80 longer long JJR 33154 362 81 time time NN 33154 362 82 does do VBZ 33154 362 83 it -PRON- PRP 33154 362 84 take take VB 33154 362 85 to to TO 33154 362 86 reach reach VB 33154 362 87 any any DT 33154 362 88 listener listener NN 33154 362 89 . . . 33154 363 1 Hence hence RB 33154 363 2 sound sound NN 33154 363 3 has have VBZ 33154 363 4 in in IN 33154 363 5 air air NN 33154 363 6 a a DT 33154 363 7 certain certain JJ 33154 363 8 velocity velocity NN 33154 363 9 which which WDT 33154 363 10 has have VBZ 33154 363 11 been be VBN 33154 363 12 very very RB 33154 363 13 accurately accurately RB 33154 363 14 measured measure VBN 33154 363 15 , , , 33154 363 16 and and CC 33154 363 17 found find VBN 33154 363 18 to to TO 33154 363 19 be be VB 33154 363 20 1,093 1,093 CD 33154 363 21 feet foot NNS 33154 363 22 per per IN 33154 363 23 second second RB 33154 363 24 when when WRB 33154 363 25 the the DT 33154 363 26 temperature temperature NN 33154 363 27 of of IN 33154 363 28 the the DT 33154 363 29 air air NN 33154 363 30 is be VBZ 33154 363 31 at at IN 33154 363 32 the the DT 33154 363 33 freezing freezing NN 33154 363 34 point point NN 33154 363 35 of of IN 33154 363 36 water water NN 33154 363 37 . . . 33154 364 1 As as IN 33154 364 2 the the DT 33154 364 3 temperature temperature NN 33154 364 4 increases increase VBZ 33154 364 5 , , , 33154 364 6 the the DT 33154 364 7 velocity velocity NN 33154 364 8 of of IN 33154 364 9 sound sound NN 33154 364 10 will will MD 33154 364 11 increase increase VB 33154 364 12 a a DT 33154 364 13 little little JJ 33154 364 14 more more JJR 33154 364 15 than than IN 33154 364 16 one one CD 33154 364 17 foot foot NN 33154 364 18 for for IN 33154 364 19 every every DT 33154 364 20 Fahrenheit Fahrenheit NNP 33154 364 21 degree degree NN 33154 364 22 ; ; : 33154 364 23 so so IN 33154 364 24 that that IN 33154 364 25 at at IN 33154 364 26 60 60 CD 33154 364 27 ° ° NNS 33154 364 28 the the DT 33154 364 29 velocity velocity NN 33154 364 30 is be VBZ 33154 364 31 1,125 1,125 CD 33154 364 32 feet foot NNS 33154 364 33 per per IN 33154 364 34 second second NN 33154 364 35 . . . 33154 365 1 This this DT 33154 365 2 is be VBZ 33154 365 3 the the DT 33154 365 4 velocity velocity NN 33154 365 5 in in IN 33154 365 6 air air NN 33154 365 7 . . . 33154 366 1 In in IN 33154 366 2 water water NN 33154 366 3 the the DT 33154 366 4 velocity velocity NN 33154 366 5 is be VBZ 33154 366 6 about about RB 33154 366 7 four four CD 33154 366 8 times time NNS 33154 366 9 greater great JJR 33154 366 10 , , , 33154 366 11 in in IN 33154 366 12 steel steel NN 33154 366 13 sixteen sixteen CD 33154 366 14 times time NNS 33154 366 15 , , , 33154 366 16 in in IN 33154 366 17 pine pine NN 33154 366 18 - - HYPH 33154 366 19 wood wood NN 33154 366 20 about about IN 33154 366 21 ten ten CD 33154 366 22 times time NNS 33154 366 23 . . . 33154 367 1 CONSTITUTION constitution NN 33154 367 2 OF of IN 33154 367 3 A a DT 33154 367 4 SINGLE single JJ 33154 367 5 SOUND sound NN 33154 367 6 - - HYPH 33154 367 7 WAVE WAVE NNP 33154 367 8 . . . 33154 368 1 If if IN 33154 368 2 a a DT 33154 368 3 person person NN 33154 368 4 stands stand VBZ 33154 368 5 at at IN 33154 368 6 the the DT 33154 368 7 distance distance NN 33154 368 8 of of IN 33154 368 9 fifteen fifteen CD 33154 368 10 or or CC 33154 368 11 twenty twenty CD 33154 368 12 rods rod NNS 33154 368 13 from from IN 33154 368 14 a a DT 33154 368 15 cannon cannon NN 33154 368 16 that that WDT 33154 368 17 is be VBZ 33154 368 18 fired fire VBN 33154 368 19 , , , 33154 368 20 he -PRON- PRP 33154 368 21 will will MD 33154 368 22 first first RB 33154 368 23 see see VB 33154 368 24 the the DT 33154 368 25 flash flash NN 33154 368 26 , , , 33154 368 27 then then RB 33154 368 28 the the DT 33154 368 29 cloud cloud NN 33154 368 30 of of IN 33154 368 31 smoke smoke NN 33154 368 32 that that WDT 33154 368 33 rushes rush VBZ 33154 368 34 from from IN 33154 368 35 the the DT 33154 368 36 cannon cannon NN 33154 368 37 's 's POS 33154 368 38 mouth mouth NN 33154 368 39 , , , 33154 368 40 then then RB 33154 368 41 the the DT 33154 368 42 ground ground NN 33154 368 43 will will MD 33154 368 44 be be VB 33154 368 45 felt feel VBN 33154 368 46 to to TO 33154 368 47 tremble tremble VB 33154 368 48 , , , 33154 368 49 and and CC 33154 368 50 lastly lastly RB 33154 368 51 the the DT 33154 368 52 sound sound NN 33154 368 53 will will MD 33154 368 54 reach reach VB 33154 368 55 his -PRON- PRP$ 33154 368 56 ear ear NN 33154 368 57 at at IN 33154 368 58 the the DT 33154 368 59 same same JJ 33154 368 60 time time NN 33154 368 61 that that IN 33154 368 62 a a DT 33154 368 63 strong strong JJ 33154 368 64 puff puff NN 33154 368 65 of of IN 33154 368 66 air air NN 33154 368 67 will will MD 33154 368 68 be be VB 33154 368 69 felt feel VBN 33154 368 70 . . . 33154 369 1 This this DT 33154 369 2 puff puff NN 33154 369 3 of of IN 33154 369 4 air air NN 33154 369 5 is be VBZ 33154 369 6 the the DT 33154 369 7 sound sound JJ 33154 369 8 - - HYPH 33154 369 9 wave wave NN 33154 369 10 itself -PRON- PRP 33154 369 11 , , , 33154 369 12 travelling travel VBG 33154 369 13 at at IN 33154 369 14 the the DT 33154 369 15 rate rate NN 33154 369 16 of of IN 33154 369 17 eleven eleven CD 33154 369 18 hundred hundred CD 33154 369 19 feet foot NNS 33154 369 20 or or CC 33154 369 21 more more JJR 33154 369 22 per per IN 33154 369 23 second second NN 33154 369 24 . . . 33154 370 1 At at IN 33154 370 2 the the DT 33154 370 3 instant instant NN 33154 370 4 of of IN 33154 370 5 explosion explosion NN 33154 370 6 of of IN 33154 370 7 the the DT 33154 370 8 gunpowder gunpowder NN 33154 370 9 , , , 33154 370 10 the the DT 33154 370 11 air air NN 33154 370 12 in in IN 33154 370 13 front front NN 33154 370 14 of of IN 33154 370 15 the the DT 33154 370 16 cannon cannon NN 33154 370 17 is be VBZ 33154 370 18 very very RB 33154 370 19 much much RB 33154 370 20 compressed compressed JJ 33154 370 21 ; ; : 33154 370 22 and and CC 33154 370 23 this this DT 33154 370 24 compression compression NN 33154 370 25 at at IN 33154 370 26 once once RB 33154 370 27 begins begin VBZ 33154 370 28 to to TO 33154 370 29 move move VB 33154 370 30 outwards outward NNS 33154 370 31 in in IN 33154 370 32 every every DT 33154 370 33 direction direction NN 33154 370 34 , , , 33154 370 35 so so IN 33154 370 36 as as IN 33154 370 37 to to TO 33154 370 38 be be VB 33154 370 39 a a DT 33154 370 40 kind kind NN 33154 370 41 of of IN 33154 370 42 a a DT 33154 370 43 spherical spherical JJ 33154 370 44 shell shell NN 33154 370 45 of of IN 33154 370 46 air air NN 33154 370 47 constantly constantly RB 33154 370 48 increasing increase VBG 33154 370 49 in in IN 33154 370 50 diameter diameter NN 33154 370 51 ; ; : 33154 370 52 and and CC 33154 370 53 , , , 33154 370 54 whenever whenever WRB 33154 370 55 it -PRON- PRP 33154 370 56 reaches reach VBZ 33154 370 57 an an DT 33154 370 58 ear ear NN 33154 370 59 , , , 33154 370 60 the the DT 33154 370 61 sound sound NN 33154 370 62 is be VBZ 33154 370 63 perceived perceive VBN 33154 370 64 . . . 33154 371 1 Whenever whenever WRB 33154 371 2 such such PDT 33154 371 3 a a DT 33154 371 4 sound sound JJ 33154 371 5 - - HYPH 33154 371 6 wave wave NN 33154 371 7 strikes strike NNS 33154 371 8 upon upon IN 33154 371 9 a a DT 33154 371 10 solid solid JJ 33154 371 11 surface surface NN 33154 371 12 , , , 33154 371 13 as as IN 33154 371 14 upon upon IN 33154 371 15 a a DT 33154 371 16 cliff cliff NN 33154 371 17 or or CC 33154 371 18 a a DT 33154 371 19 building building NN 33154 371 20 , , , 33154 371 21 it -PRON- PRP 33154 371 22 is be VBZ 33154 371 23 turned turn VBN 33154 371 24 back back RB 33154 371 25 , , , 33154 371 26 and and CC 33154 371 27 the the DT 33154 371 28 reflected reflected JJ 33154 371 29 wave wave NN 33154 371 30 may may MD 33154 371 31 be be VB 33154 371 32 heard hear VBN 33154 371 33 ; ; : 33154 371 34 in in IN 33154 371 35 which which WDT 33154 371 36 case case NN 33154 371 37 we -PRON- PRP 33154 371 38 call call VBP 33154 371 39 it -PRON- PRP 33154 371 40 an an DT 33154 371 41 echo echo NN 33154 371 42 . . . 33154 372 1 When when WRB 33154 372 2 a a DT 33154 372 3 cannon cannon NN 33154 372 4 is be VBZ 33154 372 5 fired fire VBN 33154 372 6 , , , 33154 372 7 we -PRON- PRP 33154 372 8 generally generally RB 33154 372 9 hear hear VBP 33154 372 10 the the DT 33154 372 11 sound sound NN 33154 372 12 repeated repeat VBN 33154 372 13 , , , 33154 372 14 so so IN 33154 372 15 that that IN 33154 372 16 it -PRON- PRP 33154 372 17 apparently apparently RB 33154 372 18 lasts last VBZ 33154 372 19 for for IN 33154 372 20 a a DT 33154 372 21 second second JJ 33154 372 22 or or CC 33154 372 23 more more JJR 33154 372 24 ; ; : 33154 372 25 but but CC 33154 372 26 when when WRB 33154 372 27 , , , 33154 372 28 as as IN 33154 372 29 in in IN 33154 372 30 the the DT 33154 372 31 first first JJ 33154 372 32 case case NN 33154 372 33 , , , 33154 372 34 we -PRON- PRP 33154 372 35 hear hear VBP 33154 372 36 the the DT 33154 372 37 sound sound NN 33154 372 38 of of IN 33154 372 39 a a DT 33154 372 40 pencil pencil NN 33154 372 41 struck strike VBN 33154 372 42 upon upon IN 33154 372 43 the the DT 33154 372 44 table table NN 33154 372 45 , , , 33154 372 46 but but CC 33154 372 47 a a DT 33154 372 48 single single JJ 33154 372 49 short short JJ 33154 372 50 report report NN 33154 372 51 is be VBZ 33154 372 52 noticed notice VBN 33154 372 53 , , , 33154 372 54 and and CC 33154 372 55 this this DT 33154 372 56 , , , 33154 372 57 as as IN 33154 372 58 may may MD 33154 372 59 be be VB 33154 372 60 supposed suppose VBN 33154 372 61 , , , 33154 372 62 consists consist VBZ 33154 372 63 of of IN 33154 372 64 a a DT 33154 372 65 single single JJ 33154 372 66 wave wave NN 33154 372 67 of of IN 33154 372 68 condensed condense VBN 33154 372 69 air air NN 33154 372 70 . . . 33154 373 1 [ [ -LRB- 33154 373 2 Illustration illustration NN 33154 373 3 : : : 33154 373 4 FIG FIG NNP 33154 373 5 . . . 33154 374 1 6 6 LS 33154 374 2 . . . 33154 374 3 ] ] -RRB- 33154 375 1 [ [ -LRB- 33154 375 2 Illustration illustration NN 33154 375 3 : : : 33154 375 4 FIG FIG NNP 33154 375 5 . . . 33154 376 1 7 7 LS 33154 376 2 . . . 33154 376 3 ] ] -RRB- 33154 377 1 Imagine imagine VB 33154 377 2 a a DT 33154 377 3 tuning tuning NN 33154 377 4 - - HYPH 33154 377 5 fork fork NN 33154 377 6 that that WDT 33154 377 7 is be VBZ 33154 377 8 made make VBN 33154 377 9 to to TO 33154 377 10 vibrate vibrate VB 33154 377 11 . . . 33154 378 1 Each each DT 33154 378 2 of of IN 33154 378 3 the the DT 33154 378 4 prongs prong NNS 33154 378 5 beats beat VBZ 33154 378 6 the the DT 33154 378 7 air air NN 33154 378 8 in in IN 33154 378 9 opposite opposite JJ 33154 378 10 directions direction NNS 33154 378 11 at at IN 33154 378 12 the the DT 33154 378 13 same same JJ 33154 378 14 time time NN 33154 378 15 . . . 33154 379 1 Look look VB 33154 379 2 at at IN 33154 379 3 the the DT 33154 379 4 physical physical JJ 33154 379 5 condition condition NN 33154 379 6 of of IN 33154 379 7 the the DT 33154 379 8 air air NN 33154 379 9 in in IN 33154 379 10 front front NN 33154 379 11 of of IN 33154 379 12 one one CD 33154 379 13 of of IN 33154 379 14 these these DT 33154 379 15 prongs prong NNS 33154 379 16 . . . 33154 380 1 As as IN 33154 380 2 the the DT 33154 380 3 latter latter JJ 33154 380 4 strikes strike NNS 33154 380 5 outwards outward NNS 33154 380 6 , , , 33154 380 7 the the DT 33154 380 8 air air NN 33154 380 9 in in IN 33154 380 10 front front NN 33154 380 11 of of IN 33154 380 12 it -PRON- PRP 33154 380 13 will will MD 33154 380 14 be be VB 33154 380 15 driven drive VBN 33154 380 16 outwards outward NNS 33154 380 17 , , , 33154 380 18 condensed condense VBN 33154 380 19 ; ; : 33154 380 20 and and CC 33154 380 21 , , , 33154 380 22 on on IN 33154 380 23 account account NN 33154 380 24 of of IN 33154 380 25 the the DT 33154 380 26 elasticity elasticity NN 33154 380 27 of of IN 33154 380 28 the the DT 33154 380 29 air air NN 33154 380 30 , , , 33154 380 31 the the DT 33154 380 32 condensation condensation NN 33154 380 33 will will MD 33154 380 34 at at IN 33154 380 35 once once RB 33154 380 36 start start VB 33154 380 37 to to TO 33154 380 38 travel travel VB 33154 380 39 outwards outward NNS 33154 380 40 in in IN 33154 380 41 every every DT 33154 380 42 direction,--a direction,--a NNP 33154 380 43 wave wave NN 33154 380 44 of of IN 33154 380 45 denser denser NN 33154 380 46 air air NN 33154 380 47 ; ; : 33154 380 48 but but CC 33154 380 49 directly directly RB 33154 380 50 the the DT 33154 380 51 prong prong NN 33154 380 52 recedes recede VBZ 33154 380 53 , , , 33154 380 54 beating beat VBG 33154 380 55 the the DT 33154 380 56 air air NN 33154 380 57 back back RB 33154 380 58 in in IN 33154 380 59 the the DT 33154 380 60 contrary contrary JJ 33154 380 61 direction direction NN 33154 380 62 , , , 33154 380 63 which which WDT 33154 380 64 will will MD 33154 380 65 obviously obviously RB 33154 380 66 rarefy rarefy VB 33154 380 67 the the DT 33154 380 68 air air NN 33154 380 69 on on IN 33154 380 70 the the DT 33154 380 71 first first JJ 33154 380 72 side side NN 33154 380 73 . . . 33154 381 1 But but CC 33154 381 2 the the DT 33154 381 3 disturbance disturbance NN 33154 381 4 we -PRON- PRP 33154 381 5 call call VBP 33154 381 6 rarefaction rarefaction NN 33154 381 7 moves move NNS 33154 381 8 in in IN 33154 381 9 air air NN 33154 381 10 with with IN 33154 381 11 the the DT 33154 381 12 same same JJ 33154 381 13 velocity velocity NN 33154 381 14 as as IN 33154 381 15 a a DT 33154 381 16 condensation condensation NN 33154 381 17 . . . 33154 382 1 We -PRON- PRP 33154 382 2 must must MD 33154 382 3 therefore therefore RB 33154 382 4 remember remember VB 33154 382 5 , , , 33154 382 6 that that IN 33154 382 7 just just RB 33154 382 8 behind behind IN 33154 382 9 the the DT 33154 382 10 wave wave NN 33154 382 11 of of IN 33154 382 12 condensation condensation NN 33154 382 13 is be VBZ 33154 382 14 the the DT 33154 382 15 wave wave NN 33154 382 16 of of IN 33154 382 17 rarefaction rarefaction NN 33154 382 18 , , , 33154 382 19 both both DT 33154 382 20 travelling travel VBG 33154 382 21 with with IN 33154 382 22 the the DT 33154 382 23 same same JJ 33154 382 24 velocity velocity NN 33154 382 25 , , , 33154 382 26 and and CC 33154 382 27 therefore therefore RB 33154 382 28 always always RB 33154 382 29 maintaining maintain VBG 33154 382 30 the the DT 33154 382 31 same same JJ 33154 382 32 relative relative JJ 33154 382 33 position position NN 33154 382 34 to to IN 33154 382 35 each each DT 33154 382 36 other other JJ 33154 382 37 . . . 33154 383 1 Now now RB 33154 383 2 , , , 33154 383 3 the the DT 33154 383 4 fork fork NN 33154 383 5 vibrates vibrate VBZ 33154 383 6 a a DT 33154 383 7 great great JJ 33154 383 8 many many JJ 33154 383 9 times time NNS 33154 383 10 in in IN 33154 383 11 a a DT 33154 383 12 second second JJ 33154 383 13 , , , 33154 383 14 and and CC 33154 383 15 will will MD 33154 383 16 consequently consequently RB 33154 383 17 generate generate VB 33154 383 18 as as RB 33154 383 19 many many JJ 33154 383 20 of of IN 33154 383 21 these these DT 33154 383 22 waves wave NNS 33154 383 23 , , , 33154 383 24 all all DT 33154 383 25 of of IN 33154 383 26 them -PRON- PRP 33154 383 27 constituted constitute VBD 33154 383 28 alike alike RB 33154 383 29 , , , 33154 383 30 and and CC 33154 383 31 having have VBG 33154 383 32 the the DT 33154 383 33 same same JJ 33154 383 34 length length NN 33154 383 35 ; ; : 33154 383 36 by by IN 33154 383 37 length length NN 33154 383 38 meaning mean VBG 33154 383 39 the the DT 33154 383 40 sum sum NN 33154 383 41 of of IN 33154 383 42 the the DT 33154 383 43 thicknesses thickness NNS 33154 383 44 of of IN 33154 383 45 the the DT 33154 383 46 condensation condensation NN 33154 383 47 and and CC 33154 383 48 the the DT 33154 383 49 rarefaction rarefaction NN 33154 383 50 . . . 33154 384 1 Suppose suppose VB 33154 384 2 a a DT 33154 384 3 fork fork NN 33154 384 4 to to TO 33154 384 5 make make VB 33154 384 6 one one CD 33154 384 7 hundred hundred CD 33154 384 8 vibrations vibration NNS 33154 384 9 per per IN 33154 384 10 second second NN 33154 384 11 : : : 33154 384 12 at at IN 33154 384 13 the the DT 33154 384 14 end end NN 33154 384 15 of of IN 33154 384 16 the the DT 33154 384 17 second second JJ 33154 384 18 , , , 33154 384 19 the the DT 33154 384 20 wave wave NN 33154 384 21 generated generate VBN 33154 384 22 by by IN 33154 384 23 the the DT 33154 384 24 vibration vibration NN 33154 384 25 at at IN 33154 384 26 the the DT 33154 384 27 beginning beginning NN 33154 384 28 of of IN 33154 384 29 the the DT 33154 384 30 second second JJ 33154 384 31 would would MD 33154 384 32 have have VB 33154 384 33 travelled travel VBN 33154 384 34 , , , 33154 384 35 say say UH 33154 384 36 , , , 33154 384 37 eleven eleven CD 33154 384 38 hundred hundred CD 33154 384 39 feet foot NNS 33154 384 40 ; ; : 33154 384 41 and and CC 33154 384 42 evenly evenly RB 33154 384 43 distributed distribute VBN 33154 384 44 between between IN 33154 384 45 the the DT 33154 384 46 fork fork NN 33154 384 47 and and CC 33154 384 48 the the DT 33154 384 49 outer outer JJ 33154 384 50 limit limit NN 33154 384 51 , , , 33154 384 52 would would MD 33154 384 53 be be VB 33154 384 54 ranged range VBN 33154 384 55 the the DT 33154 384 56 intermediate intermediate JJ 33154 384 57 waves wave NNS 33154 384 58 occupying occupy VBG 33154 384 59 the the DT 33154 384 60 whole whole JJ 33154 384 61 distance distance NN 33154 384 62 : : : 33154 384 63 that that DT 33154 384 64 is be VBZ 33154 384 65 to to TO 33154 384 66 say say VB 33154 384 67 , , , 33154 384 68 in in IN 33154 384 69 eleven eleven CD 33154 384 70 hundred hundred CD 33154 384 71 feet foot NNS 33154 384 72 there there EX 33154 384 73 would would MD 33154 384 74 be be VB 33154 384 75 one one CD 33154 384 76 hundred hundred CD 33154 384 77 sound sound NN 33154 384 78 - - HYPH 33154 384 79 waves wave NNS 33154 384 80 , , , 33154 384 81 each each DT 33154 384 82 of of IN 33154 384 83 them -PRON- PRP 33154 384 84 evidently evidently RB 33154 384 85 being be VBG 33154 384 86 eleven eleven CD 33154 384 87 feet foot NNS 33154 384 88 long long JJ 33154 384 89 . . . 33154 385 1 If if IN 33154 385 2 the the DT 33154 385 3 fork fork NN 33154 385 4 made make VBD 33154 385 5 eleven eleven CD 33154 385 6 hundred hundred CD 33154 385 7 vibrations vibration NNS 33154 385 8 per per IN 33154 385 9 second second NN 33154 385 10 , , , 33154 385 11 each each DT 33154 385 12 of of IN 33154 385 13 these these DT 33154 385 14 waves wave NNS 33154 385 15 would would MD 33154 385 16 be be VB 33154 385 17 one one CD 33154 385 18 foot foot NN 33154 385 19 long long RB 33154 385 20 ; ; : 33154 385 21 for for IN 33154 385 22 sound sound NN 33154 385 23 - - HYPH 33154 385 24 waves wave NNS 33154 385 25 of of IN 33154 385 26 all all DT 33154 385 27 lengths length NNS 33154 385 28 travel travel VBP 33154 385 29 in in IN 33154 385 30 air air NN 33154 385 31 with with IN 33154 385 32 the the DT 33154 385 33 same same JJ 33154 385 34 rapidity rapidity NN 33154 385 35 . . . 33154 386 1 Some some DT 33154 386 2 late late JJ 33154 386 3 experiments experiment NNS 33154 386 4 seem seem VBP 33154 386 5 to to TO 33154 386 6 show show VB 33154 386 7 that that IN 33154 386 8 the the DT 33154 386 9 actual actual JJ 33154 386 10 amplitude amplitude NN 33154 386 11 of of IN 33154 386 12 motion motion NN 33154 386 13 of of IN 33154 386 14 the the DT 33154 386 15 air air NN 33154 386 16 , , , 33154 386 17 when when WRB 33154 386 18 moved move VBN 33154 386 19 by by IN 33154 386 20 such such PDT 33154 386 21 a a DT 33154 386 22 high high JJ 33154 386 23 sound sound NN 33154 386 24 as as IN 33154 386 25 that that DT 33154 386 26 from from IN 33154 386 27 a a DT 33154 386 28 small small JJ 33154 386 29 whistle whistle NN 33154 386 30 , , , 33154 386 31 is be VBZ 33154 386 32 less less JJR 33154 386 33 than than IN 33154 386 34 the the DT 33154 386 35 millionth millionth NN 33154 386 36 of of IN 33154 386 37 an an DT 33154 386 38 inch inch NN 33154 386 39 . . . 33154 387 1 PITCH PITCH NNP 33154 387 2 . . . 33154 388 1 The the DT 33154 388 2 pitch pitch NN 33154 388 3 of of IN 33154 388 4 a a DT 33154 388 5 sound sound NN 33154 388 6 depends depend VBZ 33154 388 7 wholly wholly RB 33154 388 8 upon upon IN 33154 388 9 the the DT 33154 388 10 number number NN 33154 388 11 of of IN 33154 388 12 vibrations vibration NNS 33154 388 13 per per IN 33154 388 14 second second RB 33154 388 15 that that WDT 33154 388 16 produce produce VBP 33154 388 17 it -PRON- PRP 33154 388 18 ; ; : 33154 388 19 and and CC 33154 388 20 if if IN 33154 388 21 one one CD 33154 388 22 of of IN 33154 388 23 two two CD 33154 388 24 sounds sound NNS 33154 388 25 consists consist VBZ 33154 388 26 of of IN 33154 388 27 twice twice PDT 33154 388 28 as as RB 33154 388 29 many many JJ 33154 388 30 vibrations vibration NNS 33154 388 31 per per IN 33154 388 32 second second RB 33154 388 33 as as IN 33154 388 34 the the DT 33154 388 35 other other JJ 33154 388 36 one one NN 33154 388 37 , , , 33154 388 38 they -PRON- PRP 33154 388 39 differ differ VBP 33154 388 40 in in IN 33154 388 41 pitch pitch NN 33154 388 42 by by IN 33154 388 43 the the DT 33154 388 44 interval interval NN 33154 388 45 called call VBN 33154 388 46 in in IN 33154 388 47 music music NN 33154 388 48 an an DT 33154 388 49 octave octave NN 33154 388 50 , , , 33154 388 51 this this DT 33154 388 52 latter latter JJ 33154 388 53 term term NN 33154 388 54 merely merely RB 33154 388 55 signifying signify VBG 33154 388 56 the the DT 33154 388 57 number number NN 33154 388 58 of of IN 33154 388 59 intervals interval NNS 33154 388 60 into into IN 33154 388 61 which which WDT 33154 388 62 the the DT 33154 388 63 larger large JJR 33154 388 64 interval interval NN 33154 388 65 is be VBZ 33154 388 66 divided divide VBN 33154 388 67 for for IN 33154 388 68 the the DT 33154 388 69 ordinary ordinary JJ 33154 388 70 musical musical JJ 33154 388 71 scale scale NN 33154 388 72 . . . 33154 389 1 The the DT 33154 389 2 difference difference NN 33154 389 3 between between IN 33154 389 4 a a DT 33154 389 5 high high JJ 33154 389 6 and and CC 33154 389 7 a a DT 33154 389 8 low low JJ 33154 389 9 sound sound NN 33154 389 10 is be VBZ 33154 389 11 simply simply RB 33154 389 12 in in IN 33154 389 13 the the DT 33154 389 14 number number NN 33154 389 15 of of IN 33154 389 16 vibrations vibration NNS 33154 389 17 of of IN 33154 389 18 the the DT 33154 389 19 air air NN 33154 389 20 reaching reach VBG 33154 389 21 the the DT 33154 389 22 ear ear NN 33154 389 23 in in IN 33154 389 24 a a DT 33154 389 25 given give VBN 33154 389 26 time time NN 33154 389 27 . . . 33154 390 1 The the DT 33154 390 2 smaller small JJR 33154 390 3 intervals interval NNS 33154 390 4 into into IN 33154 390 5 which which WDT 33154 390 6 the the DT 33154 390 7 octave octave NN 33154 390 8 is be VBZ 33154 390 9 divided divide VBN 33154 390 10 stand stand NN 33154 390 11 in in IN 33154 390 12 mathematical mathematical JJ 33154 390 13 relations relation NNS 33154 390 14 to to IN 33154 390 15 each each DT 33154 390 16 other other JJ 33154 390 17 when when WRB 33154 390 18 they -PRON- PRP 33154 390 19 are be VBP 33154 390 20 properly properly RB 33154 390 21 produced produce VBN 33154 390 22 , , , 33154 390 23 and and CC 33154 390 24 are be VBP 33154 390 25 represented represent VBN 33154 390 26 by by IN 33154 390 27 the the DT 33154 390 28 following follow VBG 33154 390 29 fractions:-- fractions:-- NN 33154 390 30 C C NNP 33154 390 31 D d NN 33154 390 32 E e NN 33154 390 33 F f NN 33154 390 34 G g NN 33154 390 35 A A NNP 33154 390 36 B b NN 33154 390 37 C c NN 33154 390 38 1 1 CD 33154 390 39 9/8 9/8 CD 33154 390 40 5/4 5/4 CD 33154 390 41 4/3 4/3 CD 33154 390 42 3/2 3/2 CD 33154 390 43 5/3 5/3 CD 33154 390 44 15/8 15/8 CD 33154 390 45 2 2 CD 33154 390 46 [ [ -LRB- 33154 390 47 Illustration illustration NN 33154 390 48 ] ] -RRB- 33154 390 49 These these DT 33154 390 50 numbers number NNS 33154 390 51 are be VBP 33154 390 52 to to TO 33154 390 53 be be VB 33154 390 54 interpreted interpret VBN 33154 390 55 thus thus RB 33154 390 56 : : : 33154 390 57 Suppose suppose VB 33154 390 58 that that IN 33154 390 59 we -PRON- PRP 33154 390 60 have have VBP 33154 390 61 a a DT 33154 390 62 tuning tuning NN 33154 390 63 - - HYPH 33154 390 64 fork fork NN 33154 390 65 giving give VBG 33154 390 66 256 256 CD 33154 390 67 vibrations vibration NNS 33154 390 68 per per IN 33154 390 69 second second NN 33154 390 70 : : : 33154 390 71 the the DT 33154 390 72 sound sound NN 33154 390 73 will will MD 33154 390 74 be be VB 33154 390 75 that that DT 33154 390 76 of of IN 33154 390 77 the the DT 33154 390 78 standard standard JJ 33154 390 79 or or CC 33154 390 80 concert concert NN 33154 390 81 pitch pitch NN 33154 390 82 for for IN 33154 390 83 the the DT 33154 390 84 C C NNP 33154 390 85 on on IN 33154 390 86 the the DT 33154 390 87 added add VBN 33154 390 88 line line NN 33154 390 89 as as IN 33154 390 90 shown show VBN 33154 390 91 on on IN 33154 390 92 the the DT 33154 390 93 staff staff NN 33154 390 94 . . . 33154 391 1 Now now RB 33154 391 2 , , , 33154 391 3 D d NN 33154 391 4 when when WRB 33154 391 5 properly properly RB 33154 391 6 tuned tune VBN 33154 391 7 will will MD 33154 391 8 make make VB 33154 391 9 9 9 CD 33154 391 10 vibrations vibration NNS 33154 391 11 while while IN 33154 391 12 C C NNP 33154 391 13 makes make VBZ 33154 391 14 but but CC 33154 391 15 8 8 CD 33154 391 16 ; ; : 33154 391 17 but but CC 33154 391 18 , , , 33154 391 19 as as IN 33154 391 20 C c NN 33154 391 21 in in IN 33154 391 22 this this DT 33154 391 23 case case NN 33154 391 24 makes make VBZ 33154 391 25 256 256 CD 33154 391 26 , , , 33154 391 27 D D NNP 33154 391 28 must must MD 33154 391 29 make make VB 33154 391 30 256×9/8=288 256×9/8=288 CD 33154 391 31 . . . 33154 392 1 In in IN 33154 392 2 like like JJ 33154 392 3 manner manner NN 33154 392 4 G g NN 33154 392 5 is be VBZ 33154 392 6 produced produce VBN 33154 392 7 by by IN 33154 392 8 256×3/2=384 256×3/2=384 NNS 33154 392 9 , , , 33154 392 10 and and CC 33154 392 11 C c NN 33154 392 12 above above RB 33154 392 13 by by IN 33154 392 14 256×2=512 256×2=512 CD 33154 392 15 , , , 33154 392 16 and and CC 33154 392 17 so so RB 33154 392 18 on on RB 33154 392 19 for for IN 33154 392 20 any any DT 33154 392 21 of of IN 33154 392 22 the the DT 33154 392 23 others other NNS 33154 392 24 . . . 33154 393 1 If if IN 33154 393 2 other other JJ 33154 393 3 sounds sound NNS 33154 393 4 are be VBP 33154 393 5 used use VBN 33154 393 6 in in IN 33154 393 7 the the DT 33154 393 8 octave octave NN 33154 393 9 above above IN 33154 393 10 or or CC 33154 393 11 below below IN 33154 393 12 this this DT 33154 393 13 one one NN 33154 393 14 , , , 33154 393 15 the the DT 33154 393 16 number number NN 33154 393 17 of of IN 33154 393 18 vibrations vibration NNS 33154 393 19 of of IN 33154 393 20 any any DT 33154 393 21 given give VBN 33154 393 22 note note NN 33154 393 23 may may MD 33154 393 24 be be VB 33154 393 25 found find VBN 33154 393 26 by by IN 33154 393 27 either either DT 33154 393 28 doubling doubling NN 33154 393 29 or or CC 33154 393 30 halving halve VBG 33154 393 31 the the DT 33154 393 32 number number NN 33154 393 33 for for IN 33154 393 34 the the DT 33154 393 35 corresponding corresponding JJ 33154 393 36 note note NN 33154 393 37 in in IN 33154 393 38 the the DT 33154 393 39 given give VBN 33154 393 40 octave octave NN 33154 393 41 . . . 33154 394 1 Thus thus RB 33154 394 2 G g NN 33154 394 3 below below RB 33154 394 4 will will MD 33154 394 5 consist consist VB 33154 394 6 of of IN 33154 394 7 384/2=192 384/2=192 CD 33154 394 8 , , , 33154 394 9 and and CC 33154 394 10 G g NN 33154 394 11 above above IN 33154 394 12 of of IN 33154 394 13 384×2=768 384×2=768 CD 33154 394 14 . . . 33154 395 1 During during IN 33154 395 2 the the DT 33154 395 3 past past JJ 33154 395 4 century century NN 33154 395 5 there there EX 33154 395 6 has have VBZ 33154 395 7 been be VBN 33154 395 8 a a DT 33154 395 9 quite quite RB 33154 395 10 steady steady JJ 33154 395 11 rise rise NN 33154 395 12 in in IN 33154 395 13 the the DT 33154 395 14 standard standard JJ 33154 395 15 pitch pitch NN 33154 395 16 , , , 33154 395 17 and and CC 33154 395 18 this this DT 33154 395 19 has have VBZ 33154 395 20 been be VBN 33154 395 21 brought bring VBN 33154 395 22 about about RP 33154 395 23 in in IN 33154 395 24 a a DT 33154 395 25 very very RB 33154 395 26 curious curious JJ 33154 395 27 and and CC 33154 395 28 unsuspected unsuspected JJ 33154 395 29 way way NN 33154 395 30 . . . 33154 396 1 The the DT 33154 396 2 tuning tuning NN 33154 396 3 - - HYPH 33154 396 4 fork fork NN 33154 396 5 has have VBZ 33154 396 6 been be VBN 33154 396 7 the the DT 33154 396 8 instrument instrument NN 33154 396 9 to to TO 33154 396 10 preserve preserve VB 33154 396 11 the the DT 33154 396 12 pitch pitch NN 33154 396 13 , , , 33154 396 14 as as IN 33154 396 15 it -PRON- PRP 33154 396 16 is be VBZ 33154 396 17 the the DT 33154 396 18 best well RBS 33154 396 19 available available JJ 33154 396 20 instrument instrument NN 33154 396 21 for for IN 33154 396 22 such such PDT 33154 396 23 a a DT 33154 396 24 purpose purpose NN 33154 396 25 , , , 33154 396 26 it -PRON- PRP 33154 396 27 being be VBG 33154 396 28 convenient convenient JJ 33154 396 29 to to TO 33154 396 30 use use VB 33154 396 31 , , , 33154 396 32 and and CC 33154 396 33 does do VBZ 33154 396 34 not not RB 33154 396 35 vary vary VB 33154 396 36 as as IN 33154 396 37 most most JJS 33154 396 38 other other JJ 33154 396 39 musical musical JJ 33154 396 40 instruments instrument NNS 33154 396 41 do do VBP 33154 396 42 . . . 33154 397 1 But but CC 33154 397 2 a a DT 33154 397 3 tuning tuning NN 33154 397 4 - - HYPH 33154 397 5 fork fork NN 33154 397 6 is be VBZ 33154 397 7 brought bring VBN 33154 397 8 to to IN 33154 397 9 its -PRON- PRP$ 33154 397 10 pitch pitch NN 33154 397 11 with with IN 33154 397 12 a a DT 33154 397 13 file file NN 33154 397 14 , , , 33154 397 15 which which WDT 33154 397 16 warms warm VBZ 33154 397 17 it -PRON- PRP 33154 397 18 somewhat somewhat RB 33154 397 19 , , , 33154 397 20 so so IN 33154 397 21 that that IN 33154 397 22 at at IN 33154 397 23 the the DT 33154 397 24 moment moment NN 33154 397 25 when when WRB 33154 397 26 it -PRON- PRP 33154 397 27 is be VBZ 33154 397 28 in in IN 33154 397 29 tune tune NN 33154 397 30 with with IN 33154 397 31 the the DT 33154 397 32 standard standard NN 33154 397 33 that that WDT 33154 397 34 is be VBZ 33154 397 35 being be VBG 33154 397 36 duplicated duplicate VBN 33154 397 37 it -PRON- PRP 33154 397 38 is be VBZ 33154 397 39 above above IN 33154 397 40 its -PRON- PRP$ 33154 397 41 normal normal JJ 33154 397 42 temperature temperature NN 33154 397 43 ; ; : 33154 397 44 and and CC 33154 397 45 when when WRB 33154 397 46 it -PRON- PRP 33154 397 47 cools cool VBZ 33154 397 48 its -PRON- PRP$ 33154 397 49 tone tone NN 33154 397 50 rises rise VBZ 33154 397 51 . . . 33154 398 1 When when WRB 33154 398 2 another another DT 33154 398 3 is be VBZ 33154 398 4 made make VBN 33154 398 5 of of IN 33154 398 6 like like IN 33154 398 7 pitch pitch NN 33154 398 8 with with IN 33154 398 9 this this DT 33154 398 10 one one NN 33154 398 11 , , , 33154 398 12 the the DT 33154 398 13 same same JJ 33154 398 14 thing thing NN 33154 398 15 is be VBZ 33154 398 16 repeated repeat VBN 33154 398 17 ; ; : 33154 398 18 and and CC 33154 398 19 so so RB 33154 398 20 it -PRON- PRP 33154 398 21 has have VBZ 33154 398 22 continued continue VBN 33154 398 23 until until IN 33154 398 24 the the DT 33154 398 25 standard standard JJ 33154 398 26 pitch pitch NN 33154 398 27 has have VBZ 33154 398 28 risen rise VBN 33154 398 29 nearly nearly RB 33154 398 30 a a DT 33154 398 31 tone tone NN 33154 398 32 higher high JJR 33154 398 33 than than IN 33154 398 34 it -PRON- PRP 33154 398 35 was be VBD 33154 398 36 in in IN 33154 398 37 Händel Händel NNP 33154 398 38 's 's POS 33154 398 39 time time NN 33154 398 40 . . . 33154 399 1 The the DT 33154 399 2 common common JJ 33154 399 3 A a NN 33154 399 4 and and CC 33154 399 5 C C NNP 33154 399 6 tuning tuning NN 33154 399 7 - - HYPH 33154 399 8 forks fork NNS 33154 399 9 to to TO 33154 399 10 be be VB 33154 399 11 had have VBN 33154 399 12 in in IN 33154 399 13 music music NN 33154 399 14 stores store NNS 33154 399 15 , , , 33154 399 16 often often RB 33154 399 17 vary vary VBP 33154 399 18 a a DT 33154 399 19 great great JJ 33154 399 20 deal deal NN 33154 399 21 from from IN 33154 399 22 the the DT 33154 399 23 accepted accept VBN 33154 399 24 concert concert NN 33154 399 25 pitch pitch NN 33154 399 26 . . . 33154 400 1 Such such JJ 33154 400 2 as as IN 33154 400 3 the the DT 33154 400 4 writer writer NN 33154 400 5 has have VBZ 33154 400 6 measured measure VBN 33154 400 7 have have VBP 33154 400 8 been be VBN 33154 400 9 generally generally RB 33154 400 10 too too RB 33154 400 11 high high JJ 33154 400 12 ; ; : 33154 400 13 sometimes sometimes RB 33154 400 14 being be VBG 33154 400 15 ten ten CD 33154 400 16 or or CC 33154 400 17 more more JJR 33154 400 18 vibrations vibration NNS 33154 400 19 per per IN 33154 400 20 second second NN 33154 400 21 beyond beyond IN 33154 400 22 the the DT 33154 400 23 proper proper JJ 33154 400 24 number number NN 33154 400 25 . . . 33154 401 1 The the DT 33154 401 2 tuning tuning NN 33154 401 3 - - HYPH 33154 401 4 forks fork NNS 33154 401 5 made make VBN 33154 401 6 by by IN 33154 401 7 M. M. NNP 33154 401 8 Köenig Köenig NNP 33154 401 9 of of IN 33154 401 10 Paris Paris NNP 33154 401 11 are be VBP 33154 401 12 accurate accurate JJ 33154 401 13 within within IN 33154 401 14 the the DT 33154 401 15 tenth tenth NN 33154 401 16 of of IN 33154 401 17 one one CD 33154 401 18 vibration vibration NN 33154 401 19 , , , 33154 401 20 the the DT 33154 401 21 C C NNP 33154 401 22 making make VBG 33154 401 23 256 256 CD 33154 401 24 vibrations vibration NNS 33154 401 25 in in IN 33154 401 26 one one CD 33154 401 27 second second NN 33154 401 28 . . . 33154 402 1 LIMITS LIMITS NNP 33154 402 2 OF of IN 33154 402 3 AUDIBILITY AUDIBILITY NNP 33154 402 4 . . . 33154 403 1 Numerous numerous JJ 33154 403 2 experiments experiment NNS 33154 403 3 have have VBP 33154 403 4 been be VBN 33154 403 5 made make VBN 33154 403 6 to to TO 33154 403 7 determine determine VB 33154 403 8 the the DT 33154 403 9 limits limit NNS 33154 403 10 of of IN 33154 403 11 audible audible JJ 33154 403 12 sounds sound NNS 33154 403 13 ; ; : 33154 403 14 and and CC 33154 403 15 here here RB 33154 403 16 it -PRON- PRP 33154 403 17 is be VBZ 33154 403 18 found find VBN 33154 403 19 that that IN 33154 403 20 there there EX 33154 403 21 is be VBZ 33154 403 22 a a DT 33154 403 23 very very RB 33154 403 24 great great JJ 33154 403 25 difference difference NN 33154 403 26 in in IN 33154 403 27 individuals individual NNS 33154 403 28 in in IN 33154 403 29 their -PRON- PRP$ 33154 403 30 ability ability NN 33154 403 31 to to TO 33154 403 32 perceive perceive VB 33154 403 33 sounds sound NNS 33154 403 34 . . . 33154 404 1 Helmholtz Helmholtz NNP 33154 404 2 states state VBZ 33154 404 3 that that IN 33154 404 4 about about RB 33154 404 5 23 23 CD 33154 404 6 vibrations vibration NNS 33154 404 7 per per IN 33154 404 8 second second JJ 33154 404 9 is be VBZ 33154 404 10 the the DT 33154 404 11 fewest few JJS 33154 404 12 in in IN 33154 404 13 number number NN 33154 404 14 that that WDT 33154 404 15 can can MD 33154 404 16 be be VB 33154 404 17 heard hear VBN 33154 404 18 as as IN 33154 404 19 continuous continuous JJ 33154 404 20 sound sound NN 33154 404 21 ; ; : 33154 404 22 if if IN 33154 404 23 they -PRON- PRP 33154 404 24 are be VBP 33154 404 25 fewer few JJR 33154 404 26 in in IN 33154 404 27 number number NN 33154 404 28 than than IN 33154 404 29 that that DT 33154 404 30 , , , 33154 404 31 the the DT 33154 404 32 vibrations vibration NNS 33154 404 33 are be VBP 33154 404 34 heard hear VBN 33154 404 35 as as IN 33154 404 36 separate separate JJ 33154 404 37 distinct distinct JJ 33154 404 38 noises noise NNS 33154 404 39 , , , 33154 404 40 as as IN 33154 404 41 when when WRB 33154 404 42 one one CD 33154 404 43 knocks knock VBZ 33154 404 44 upon upon IN 33154 404 45 a a DT 33154 404 46 door door NN 33154 404 47 four four CD 33154 404 48 or or CC 33154 404 49 five five CD 33154 404 50 times time NNS 33154 404 51 a a DT 33154 404 52 second second NN 33154 404 53 . . . 33154 405 1 If if IN 33154 405 2 one one PRP 33154 405 3 could could MD 33154 405 4 knock knock VB 33154 405 5 evenly evenly RB 33154 405 6 23 23 CD 33154 405 7 times time NNS 33154 405 8 per per IN 33154 405 9 second second NN 33154 405 10 , , , 33154 405 11 he -PRON- PRP 33154 405 12 would would MD 33154 405 13 be be VB 33154 405 14 making make VBG 33154 405 15 a a DT 33154 405 16 continuous continuous JJ 33154 405 17 musical musical JJ 33154 405 18 sound sound NN 33154 405 19 of of IN 33154 405 20 a a DT 33154 405 21 very very RB 33154 405 22 low low JJ 33154 405 23 pitch pitch NN 33154 405 24 . . . 33154 406 1 But but CC 33154 406 2 this this DT 33154 406 3 limit limit NN 33154 406 4 of of IN 33154 406 5 23 23 CD 33154 406 6 is be VBZ 33154 406 7 not not RB 33154 406 8 the the DT 33154 406 9 limit limit NN 33154 406 10 for for IN 33154 406 11 all all DT 33154 406 12 : : : 33154 406 13 some some DT 33154 406 14 can can MD 33154 406 15 hear hear VB 33154 406 16 a a DT 33154 406 17 continuous continuous JJ 33154 406 18 sound sound NN 33154 406 19 with with IN 33154 406 20 as as RB 33154 406 21 few few JJ 33154 406 22 as as IN 33154 406 23 16 16 CD 33154 406 24 or or CC 33154 406 25 18 18 CD 33154 406 26 vibrations vibration NNS 33154 406 27 per per IN 33154 406 28 second second NN 33154 406 29 , , , 33154 406 30 while while IN 33154 406 31 others other NNS 33154 406 32 are be VBP 33154 406 33 as as RB 33154 406 34 far far RB 33154 406 35 above above IN 33154 406 36 the the DT 33154 406 37 medium medium NN 33154 406 38 as as IN 33154 406 39 this this DT 33154 406 40 is be VBZ 33154 406 41 below below IN 33154 406 42 it -PRON- PRP 33154 406 43 . . . 33154 407 1 The the DT 33154 407 2 limits limit NNS 33154 407 3 of of IN 33154 407 4 sound sound NN 33154 407 5 in in IN 33154 407 6 musical musical JJ 33154 407 7 instruments instrument NNS 33154 407 8 are be VBP 33154 407 9 about about RB 33154 407 10 all all DT 33154 407 11 included include VBN 33154 407 12 in in IN 33154 407 13 the the DT 33154 407 14 range range NN 33154 407 15 of of IN 33154 407 16 a a DT 33154 407 17 7-octave 7-octave CD 33154 407 18 pianoforte pianoforte NN 33154 407 19 from from IN 33154 407 20 F F NNP 33154 407 21 to to IN 33154 407 22 F F NNP 33154 407 23 , , , 33154 407 24 say say VB 33154 407 25 from from IN 33154 407 26 42 42 CD 33154 407 27 to to IN 33154 407 28 5,460 5,460 CD 33154 407 29 vibrations vibration NNS 33154 407 30 per per IN 33154 407 31 second second NN 33154 407 32 . . . 33154 408 1 But but CC 33154 408 2 this this DT 33154 408 3 high high JJ 33154 408 4 number number NN 33154 408 5 is be VBZ 33154 408 6 not not RB 33154 408 7 anywhere anywhere RB 33154 408 8 near near IN 33154 408 9 the the DT 33154 408 10 upper upper JJ 33154 408 11 limit limit NN 33154 408 12 of of IN 33154 408 13 audible audible JJ 33154 408 14 sounds sound NNS 33154 408 15 for for IN 33154 408 16 man man NN 33154 408 17 . . . 33154 409 1 Very very RB 33154 409 2 many many JJ 33154 409 3 of of IN 33154 409 4 the the DT 33154 409 5 familiar familiar JJ 33154 409 6 sounds sound NNS 33154 409 7 of of IN 33154 409 8 insects insect NNS 33154 409 9 , , , 33154 409 10 such such JJ 33154 409 11 as as IN 33154 409 12 crickets cricket NNS 33154 409 13 and and CC 33154 409 14 mosquitoes mosquito NNS 33154 409 15 , , , 33154 409 16 have have VBP 33154 409 17 a a DT 33154 409 18 much much RB 33154 409 19 higher high JJR 33154 409 20 pitch pitch NN 33154 409 21 . . . 33154 410 1 Helmholtz Helmholtz NNP 33154 410 2 puts put VBZ 33154 410 3 this this DT 33154 410 4 upper upper JJ 33154 410 5 limit limit NN 33154 410 6 at at IN 33154 410 7 38,000 38,000 CD 33154 410 8 vibrations vibration NNS 33154 410 9 per per IN 33154 410 10 second second NN 33154 410 11 , , , 33154 410 12 and and CC 33154 410 13 Despraetz despraetz NN 33154 410 14 at at IN 33154 410 15 36,850 36,850 CD 33154 410 16 . . . 33154 411 1 The the DT 33154 411 2 discrepancy discrepancy NN 33154 411 3 of of IN 33154 411 4 results result NNS 33154 411 5 is be VBZ 33154 411 6 due due JJ 33154 411 7 solely solely RB 33154 411 8 to to IN 33154 411 9 the the DT 33154 411 10 marked mark VBN 33154 411 11 difference difference NN 33154 411 12 in in IN 33154 411 13 individuals individual NNS 33154 411 14 as as IN 33154 411 15 to to IN 33154 411 16 acoustic acoustic JJ 33154 411 17 perception perception NN 33154 411 18 . . . 33154 412 1 For for IN 33154 412 2 the the DT 33154 412 3 production production NN 33154 412 4 of of IN 33154 412 5 high high JJ 33154 412 6 musical musical JJ 33154 412 7 tones tone NNS 33154 412 8 , , , 33154 412 9 Köenig Köenig NNP 33154 412 10 of of IN 33154 412 11 Paris Paris NNP 33154 412 12 makes make VBZ 33154 412 13 a a DT 33154 412 14 set set NN 33154 412 15 of of IN 33154 412 16 steel steel NN 33154 412 17 rods rod NNS 33154 412 18 . . . 33154 413 1 A a DT 33154 413 2 steel steel NN 33154 413 3 rod rod NN 33154 413 4 of of IN 33154 413 5 a a DT 33154 413 6 certain certain JJ 33154 413 7 length length NN 33154 413 8 , , , 33154 413 9 diameter diameter NN 33154 413 10 , , , 33154 413 11 and and CC 33154 413 12 temper temper NNP 33154 413 13 , , , 33154 413 14 will will MD 33154 413 15 give give VB 33154 413 16 a a DT 33154 413 17 musical musical JJ 33154 413 18 sound sound NN 33154 413 19 which which WDT 33154 413 20 may may MD 33154 413 21 be be VB 33154 413 22 determined determine VBN 33154 413 23 . . . 33154 414 1 The the DT 33154 414 2 proper proper JJ 33154 414 3 length length NN 33154 414 4 for for IN 33154 414 5 other other JJ 33154 414 6 rods rod NNS 33154 414 7 for for IN 33154 414 8 giving give VBG 33154 414 9 higher high JJR 33154 414 10 tones tone NNS 33154 414 11 may may MD 33154 414 12 be be VB 33154 414 13 determined determine VBN 33154 414 14 by by IN 33154 414 15 the the DT 33154 414 16 rule rule NN 33154 414 17 that that IN 33154 414 18 the the DT 33154 414 19 number number NN 33154 414 20 of of IN 33154 414 21 vibrations vibration NNS 33154 414 22 is be VBZ 33154 414 23 inversely inversely RB 33154 414 24 proportional proportional JJ 33154 414 25 to to IN 33154 414 26 the the DT 33154 414 27 square square NN 33154 414 28 of of IN 33154 414 29 the the DT 33154 414 30 length length NN 33154 414 31 of of IN 33154 414 32 the the DT 33154 414 33 rod rod NN 33154 414 34 . . . 33154 415 1 The the DT 33154 415 2 dimensions dimension NNS 33154 415 3 of of IN 33154 415 4 these these DT 33154 415 5 rods rod NNS 33154 415 6 when when WRB 33154 415 7 made make VBN 33154 415 8 2 2 CD 33154 415 9 c. c. NN 33154 415 10 m. m. NN 33154 415 11 in in IN 33154 415 12 diameter diameter NN 33154 415 13 are be VBP 33154 415 14 as as IN 33154 415 15 follows:-- follows:-- ADD 33154 415 16 Length length NN 33154 415 17 . . . 33154 416 1 Vibrations vibration NNS 33154 416 2 . . . 33154 417 1 66.2 66.2 CD 33154 417 2 m. m. NN 33154 417 3 m. m. NNP 33154 417 4 20,000 20,000 CD 33154 417 5 59.1 59.1 CD 33154 417 6 " " `` 33154 417 7 " " `` 33154 417 8 25,000 25,000 CD 33154 417 9 53.8 53.8 CD 33154 417 10 " " '' 33154 417 11 " " `` 33154 417 12 30,000 30,000 CD 33154 417 13 50.1 50.1 CD 33154 417 14 " " '' 33154 417 15 " " `` 33154 417 16 35,000 35,000 CD 33154 417 17 47.5 47.5 CD 33154 417 18 " " '' 33154 417 19 " " `` 33154 417 20 40,000 40,000 CD 33154 417 21 These these DT 33154 417 22 rods rod NNS 33154 417 23 need need VBP 33154 417 24 to to TO 33154 417 25 be be VB 33154 417 26 suspended suspend VBN 33154 417 27 upon upon IN 33154 417 28 loops loop NNS 33154 417 29 of of IN 33154 417 30 silk silk NN 33154 417 31 , , , 33154 417 32 and and CC 33154 417 33 they -PRON- PRP 33154 417 34 are be VBP 33154 417 35 struck strike VBN 33154 417 36 with with IN 33154 417 37 a a DT 33154 417 38 piece piece NN 33154 417 39 of of IN 33154 417 40 steel steel NN 33154 417 41 so so RB 33154 417 42 short short JJ 33154 417 43 as as IN 33154 417 44 to to TO 33154 417 45 be be VB 33154 417 46 wholly wholly RB 33154 417 47 beyond beyond IN 33154 417 48 the the DT 33154 417 49 ability ability NN 33154 417 50 of of IN 33154 417 51 any any DT 33154 417 52 ear ear NN 33154 417 53 to to TO 33154 417 54 hear hear VB 33154 417 55 its -PRON- PRP$ 33154 417 56 ring ring NN 33154 417 57 . . . 33154 418 1 Nothing nothing NN 33154 418 2 but but IN 33154 418 3 a a DT 33154 418 4 short short JJ 33154 418 5 thud thud NN 33154 418 6 is be VBZ 33154 418 7 to to TO 33154 418 8 be be VB 33154 418 9 heard hear VBN 33154 418 10 from from IN 33154 418 11 it -PRON- PRP 33154 418 12 when when WRB 33154 418 13 it -PRON- PRP 33154 418 14 strikes strike VBZ 33154 418 15 , , , 33154 418 16 while while IN 33154 418 17 from from IN 33154 418 18 the the DT 33154 418 19 others other NNS 33154 418 20 comes come VBZ 33154 418 21 a a DT 33154 418 22 distinct distinct JJ 33154 418 23 ringing ringing NN 33154 418 24 sound sound NN 33154 418 25 . . . 33154 419 1 In in IN 33154 419 2 experimenting experiment VBG 33154 419 3 with with IN 33154 419 4 such such PDT 33154 419 5 a a DT 33154 419 6 set set NN 33154 419 7 of of IN 33154 419 8 steel steel NN 33154 419 9 rods rod NNS 33154 419 10 I -PRON- PRP 33154 419 11 have have VBP 33154 419 12 not not RB 33154 419 13 found find VBN 33154 419 14 any any DT 33154 419 15 one one NN 33154 419 16 yet yet RB 33154 419 17 who who WP 33154 419 18 could could MD 33154 419 19 hear hear VB 33154 419 20 as as RB 33154 419 21 many many JJ 33154 419 22 as as IN 33154 419 23 25,000 25,000 CD 33154 419 24 per per IN 33154 419 25 second second JJ 33154 419 26 , , , 33154 419 27 my -PRON- PRP$ 33154 419 28 own own JJ 33154 419 29 limit limit NN 33154 419 30 being be VBG 33154 419 31 about about IN 33154 419 32 21,000 21,000 CD 33154 419 33 . . . 33154 420 1 But but CC 33154 420 2 it -PRON- PRP 33154 420 3 has have VBZ 33154 420 4 been be VBN 33154 420 5 experimentally experimentally RB 33154 420 6 found find VBN 33154 420 7 that that IN 33154 420 8 children child NNS 33154 420 9 and and CC 33154 420 10 youth youth NN 33154 420 11 have have VBP 33154 420 12 a a DT 33154 420 13 perceptive perceptive JJ 33154 420 14 power power NN 33154 420 15 for for IN 33154 420 16 high high JJ 33154 420 17 sounds sound NNS 33154 420 18 considerably considerably RB 33154 420 19 above above IN 33154 420 20 adults adult NNS 33154 420 21 . . . 33154 421 1 Dr. Dr. NNP 33154 421 2 Clarence Clarence NNP 33154 421 3 Blake Blake NNP 33154 421 4 of of IN 33154 421 5 Boston Boston NNP 33154 421 6 reports report VBZ 33154 421 7 a a DT 33154 421 8 case case NN 33154 421 9 in in IN 33154 421 10 his -PRON- PRP$ 33154 421 11 aural aural JJ 33154 421 12 practice practice NN 33154 421 13 , , , 33154 421 14 of of IN 33154 421 15 a a DT 33154 421 16 woman woman NN 33154 421 17 whose whose WP$ 33154 421 18 hearing hearing NN 33154 421 19 had have VBD 33154 421 20 been be VBN 33154 421 21 gradually gradually RB 33154 421 22 diminishing diminish VBG 33154 421 23 for for IN 33154 421 24 some some DT 33154 421 25 years year NNS 33154 421 26 until until IN 33154 421 27 she -PRON- PRP 33154 421 28 could could MD 33154 421 29 not not RB 33154 421 30 hear hear VB 33154 421 31 at at RB 33154 421 32 all all RB 33154 421 33 with with IN 33154 421 34 one one CD 33154 421 35 ear ear NN 33154 421 36 , , , 33154 421 37 and and CC 33154 421 38 the the DT 33154 421 39 ticking ticking NN 33154 421 40 of of IN 33154 421 41 a a DT 33154 421 42 watch watch NN 33154 421 43 could could MD 33154 421 44 only only RB 33154 421 45 be be VB 33154 421 46 heard hear VBN 33154 421 47 with with IN 33154 421 48 the the DT 33154 421 49 other other JJ 33154 421 50 when when WRB 33154 421 51 the the DT 33154 421 52 watch watch NN 33154 421 53 was be VBD 33154 421 54 held hold VBN 33154 421 55 against against IN 33154 421 56 the the DT 33154 421 57 ear ear NN 33154 421 58 . . . 33154 422 1 After after IN 33154 422 2 treatment treatment NN 33154 422 3 it -PRON- PRP 33154 422 4 was be VBD 33154 422 5 discovered discover VBN 33154 422 6 that that IN 33154 422 7 the the DT 33154 422 8 sensibility sensibility NN 33154 422 9 to to IN 33154 422 10 high high JJ 33154 422 11 sounds sound NNS 33154 422 12 was be VBD 33154 422 13 very very RB 33154 422 14 great great JJ 33154 422 15 , , , 33154 422 16 and and CC 33154 422 17 that that IN 33154 422 18 she -PRON- PRP 33154 422 19 could could MD 33154 422 20 hear hear VB 33154 422 21 the the DT 33154 422 22 steel steel NN 33154 422 23 rod rod NN 33154 422 24 having have VBG 33154 422 25 a a DT 33154 422 26 tone tone NN 33154 422 27 of of IN 33154 422 28 40,000 40,000 CD 33154 422 29 vibrations vibration NNS 33154 422 30 . . . 33154 423 1 Last last JJ 33154 423 2 year year NN 33154 423 3 Mr. Mr. NNP 33154 423 4 F. F. NNP 33154 423 5 Galton Galton NNP 33154 423 6 , , , 33154 423 7 F.R.S. F.R.S. NNP 33154 423 8 , , , 33154 423 9 exhibited exhibit VBN 33154 423 10 before before IN 33154 423 11 the the DT 33154 423 12 Science Science NNP 33154 423 13 Conference Conference NNP 33154 423 14 an an DT 33154 423 15 instrument instrument NN 33154 423 16 in in IN 33154 423 17 the the DT 33154 423 18 shape shape NN 33154 423 19 of of IN 33154 423 20 a a DT 33154 423 21 very very RB 33154 423 22 small small JJ 33154 423 23 whistle whistle NN 33154 423 24 , , , 33154 423 25 which which WDT 33154 423 26 he -PRON- PRP 33154 423 27 had have VBD 33154 423 28 devised devise VBN 33154 423 29 for for IN 33154 423 30 producing produce VBG 33154 423 31 a a DT 33154 423 32 very very RB 33154 423 33 high high JJ 33154 423 34 sound sound NN 33154 423 35 . . . 33154 424 1 The the DT 33154 424 2 whistle whistle NN 33154 424 3 had have VBD 33154 424 4 a a DT 33154 424 5 diameter diameter NN 33154 424 6 less less JJR 33154 424 7 than than IN 33154 424 8 the the DT 33154 424 9 one one CD 33154 424 10 twenty twenty CD 33154 424 11 - - HYPH 33154 424 12 fifth fifth NN 33154 424 13 of of IN 33154 424 14 an an DT 33154 424 15 inch inch NN 33154 424 16 . . . 33154 425 1 The the DT 33154 425 2 length length NN 33154 425 3 could could MD 33154 425 4 be be VB 33154 425 5 varied vary VBN 33154 425 6 by by IN 33154 425 7 moving move VBG 33154 425 8 a a DT 33154 425 9 plug plug NN 33154 425 10 at at IN 33154 425 11 the the DT 33154 425 12 end end NN 33154 425 13 of of IN 33154 425 14 the the DT 33154 425 15 whistle whistle NN 33154 425 16 . . . 33154 426 1 It -PRON- PRP 33154 426 2 was be VBD 33154 426 3 easy easy JJ 33154 426 4 to to TO 33154 426 5 make make VB 33154 426 6 a a DT 33154 426 7 sound sound NN 33154 426 8 upon upon IN 33154 426 9 such such PDT 33154 426 10 an an DT 33154 426 11 instrument instrument NN 33154 426 12 that that WDT 33154 426 13 was be VBD 33154 426 14 altogether altogether RB 33154 426 15 out out IN 33154 426 16 of of IN 33154 426 17 hearing hear VBG 33154 426 18 - - HYPH 33154 426 19 range range NN 33154 426 20 of of IN 33154 426 21 any any DT 33154 426 22 person person NN 33154 426 23 . . . 33154 427 1 Mr. Mr. NNP 33154 427 2 Galton Galton NNP 33154 427 3 tried try VBD 33154 427 4 some some DT 33154 427 5 very very RB 33154 427 6 interesting interesting JJ 33154 427 7 experiments experiment NNS 33154 427 8 upon upon IN 33154 427 9 animals animal NNS 33154 427 10 , , , 33154 427 11 by by IN 33154 427 12 using use VBG 33154 427 13 these these DT 33154 427 14 whistles whistle NNS 33154 427 15 . . . 33154 428 1 He -PRON- PRP 33154 428 2 went go VBD 33154 428 3 through through IN 33154 428 4 the the DT 33154 428 5 Zoölogical Zoölogical NNP 33154 428 6 Gardens Gardens NNPS 33154 428 7 , , , 33154 428 8 and and CC 33154 428 9 produced produce VBD 33154 428 10 such such JJ 33154 428 11 high high JJ 33154 428 12 sounds sound NNS 33154 428 13 near near IN 33154 428 14 the the DT 33154 428 15 ears ear NNS 33154 428 16 of of IN 33154 428 17 all all PDT 33154 428 18 the the DT 33154 428 19 animals animal NNS 33154 428 20 . . . 33154 429 1 Some some DT 33154 429 2 of of IN 33154 429 3 them -PRON- PRP 33154 429 4 would would MD 33154 429 5 prick prick VB 33154 429 6 up up RP 33154 429 7 their -PRON- PRP$ 33154 429 8 ears ear NNS 33154 429 9 , , , 33154 429 10 showing show VBG 33154 429 11 that that IN 33154 429 12 they -PRON- PRP 33154 429 13 heard hear VBD 33154 429 14 the the DT 33154 429 15 sound sound NN 33154 429 16 ; ; : 33154 429 17 while while IN 33154 429 18 others other NNS 33154 429 19 apparently apparently RB 33154 429 20 could could MD 33154 429 21 not not RB 33154 429 22 hear hear VB 33154 429 23 it -PRON- PRP 33154 429 24 . . . 33154 430 1 He -PRON- PRP 33154 430 2 declares declare VBZ 33154 430 3 that that IN 33154 430 4 among among IN 33154 430 5 all all PDT 33154 430 6 the the DT 33154 430 7 animals animal NNS 33154 430 8 the the DT 33154 430 9 cat cat NN 33154 430 10 was be VBD 33154 430 11 found find VBN 33154 430 12 to to TO 33154 430 13 hear hear VB 33154 430 14 the the DT 33154 430 15 sharpest sharp JJS 33154 430 16 sound sound NN 33154 430 17 . . . 33154 431 1 Small small JJ 33154 431 2 dogs dog NNS 33154 431 3 can can MD 33154 431 4 also also RB 33154 431 5 hear hear VB 33154 431 6 very very RB 33154 431 7 shrill shrill JJ 33154 431 8 notes note NNS 33154 431 9 , , , 33154 431 10 while while IN 33154 431 11 larger large JJR 33154 431 12 ones one NNS 33154 431 13 can can MD 33154 431 14 not not RB 33154 431 15 . . . 33154 432 1 Cattle Cattle NNS 33154 432 2 were be VBD 33154 432 3 found find VBN 33154 432 4 to to TO 33154 432 5 hear hear VB 33154 432 6 higher high JJR 33154 432 7 sounds sound NNS 33154 432 8 than than IN 33154 432 9 horses horse NNS 33154 432 10 . . . 33154 433 1 The the DT 33154 433 2 squeak squeak NN 33154 433 3 of of IN 33154 433 4 bats bat NNS 33154 433 5 and and CC 33154 433 6 of of IN 33154 433 7 mice mouse NNS 33154 433 8 can can MD 33154 433 9 not not RB 33154 433 10 be be VB 33154 433 11 heard hear VBN 33154 433 12 by by IN 33154 433 13 many many JJ 33154 433 14 persons person NNS 33154 433 15 who who WP 33154 433 16 can can MD 33154 433 17 hear hear VB 33154 433 18 ordinary ordinary JJ 33154 433 19 sounds sound NNS 33154 433 20 as as RB 33154 433 21 well well RB 33154 433 22 as as IN 33154 433 23 any any DT 33154 433 24 ; ; : 33154 433 25 sharpness sharpness NN 33154 433 26 of of IN 33154 433 27 hearing hearing NN 33154 433 28 having have VBG 33154 433 29 nothing nothing NN 33154 433 30 to to TO 33154 433 31 do do VB 33154 433 32 with with IN 33154 433 33 the the DT 33154 433 34 limits limit NNS 33154 433 35 of of IN 33154 433 36 hearing hearing NN 33154 433 37 . . . 33154 434 1 EFFECTS effect NNS 33154 434 2 OF of IN 33154 434 3 SOUND sound NN 33154 434 4 UPON upon IN 33154 434 5 OTHER other JJ 33154 434 6 BODIES body NNS 33154 434 7 . . . 33154 435 1 If if IN 33154 435 2 a a DT 33154 435 3 vibrating vibrate VBG 33154 435 4 tuning tuning NN 33154 435 5 - - HYPH 33154 435 6 fork fork NN 33154 435 7 be be VB 33154 435 8 held hold VBN 33154 435 9 close close RB 33154 435 10 to to IN 33154 435 11 a a DT 33154 435 12 delicately delicately RB 33154 435 13 suspended suspend VBN 33154 435 14 body body NN 33154 435 15 , , , 33154 435 16 the the DT 33154 435 17 latter latter NN 33154 435 18 will will MD 33154 435 19 approach approach VB 33154 435 20 the the DT 33154 435 21 fork fork NN 33154 435 22 , , , 33154 435 23 as as IN 33154 435 24 if if IN 33154 435 25 impelled impel VBN 33154 435 26 by by IN 33154 435 27 some some DT 33154 435 28 attractive attractive JJ 33154 435 29 force force NN 33154 435 30 . . . 33154 436 1 The the DT 33154 436 2 experiment experiment NN 33154 436 3 can can MD 33154 436 4 be be VB 33154 436 5 made make VBN 33154 436 6 by by IN 33154 436 7 fastening fasten VBG 33154 436 8 a a DT 33154 436 9 bit bit NN 33154 436 10 of of IN 33154 436 11 paper paper NN 33154 436 12 about about IN 33154 436 13 an an DT 33154 436 14 inch inch NN 33154 436 15 square square JJ 33154 436 16 to to IN 33154 436 17 a a DT 33154 436 18 straw straw NN 33154 436 19 five five CD 33154 436 20 or or CC 33154 436 21 six six CD 33154 436 22 inches inch NNS 33154 436 23 long long JJ 33154 436 24 , , , 33154 436 25 and and CC 33154 436 26 then then RB 33154 436 27 suspending suspend VBG 33154 436 28 the the DT 33154 436 29 straw straw NN 33154 436 30 to to IN 33154 436 31 a a DT 33154 436 32 thread thread NN 33154 436 33 , , , 33154 436 34 so so IN 33154 436 35 that that IN 33154 436 36 it -PRON- PRP 33154 436 37 is be VBZ 33154 436 38 balanced balance VBN 33154 436 39 horizontally horizontally RB 33154 436 40 . . . 33154 437 1 Bring bring VB 33154 437 2 the the DT 33154 437 3 vibrating vibrate VBG 33154 437 4 tuning tuning NN 33154 437 5 - - HYPH 33154 437 6 fork fork NN 33154 437 7 within within IN 33154 437 8 a a DT 33154 437 9 quarter quarter NN 33154 437 10 of of IN 33154 437 11 an an DT 33154 437 12 inch inch NN 33154 437 13 of of IN 33154 437 14 the the DT 33154 437 15 paper paper NN 33154 437 16 . . . 33154 438 1 In in IN 33154 438 2 this this DT 33154 438 3 case case NN 33154 438 4 the the DT 33154 438 5 motion motion NN 33154 438 6 of of IN 33154 438 7 approach approach NN 33154 438 8 is be VBZ 33154 438 9 due due JJ 33154 438 10 to to IN 33154 438 11 the the DT 33154 438 12 fact fact NN 33154 438 13 that that IN 33154 438 14 the the DT 33154 438 15 pressure pressure NN 33154 438 16 of of IN 33154 438 17 the the DT 33154 438 18 air air NN 33154 438 19 is be VBZ 33154 438 20 less less RBR 33154 438 21 close close JJ 33154 438 22 to to IN 33154 438 23 a a DT 33154 438 24 vibrating vibrate VBG 33154 438 25 body body NN 33154 438 26 than than IN 33154 438 27 at at IN 33154 438 28 a a DT 33154 438 29 distance distance NN 33154 438 30 from from IN 33154 438 31 it -PRON- PRP 33154 438 32 ; ; : 33154 438 33 there there EX 33154 438 34 is be VBZ 33154 438 35 therefore therefore RB 33154 438 36 a a DT 33154 438 37 slightly slightly RB 33154 438 38 greater great JJR 33154 438 39 pressure pressure NN 33154 438 40 on on IN 33154 438 41 the the DT 33154 438 42 side side NN 33154 438 43 of of IN 33154 438 44 the the DT 33154 438 45 paper paper NN 33154 438 46 away away RB 33154 438 47 from from IN 33154 438 48 the the DT 33154 438 49 fork fork NN 33154 438 50 than than IN 33154 438 51 on on IN 33154 438 52 the the DT 33154 438 53 side side NN 33154 438 54 next next RB 33154 438 55 to to IN 33154 438 56 it -PRON- PRP 33154 438 57 . . . 33154 439 1 If if IN 33154 439 2 a a DT 33154 439 3 vibrating vibrate VBG 33154 439 4 tuning tuning NN 33154 439 5 - - HYPH 33154 439 6 fork fork NN 33154 439 7 be be VB 33154 439 8 held hold VBN 33154 439 9 near near RB 33154 439 10 to to IN 33154 439 11 the the DT 33154 439 12 ear ear NN 33154 439 13 , , , 33154 439 14 and and CC 33154 439 15 turned turn VBD 33154 439 16 around around RB 33154 439 17 , , , 33154 439 18 there there EX 33154 439 19 may may MD 33154 439 20 be be VB 33154 439 21 found find VBN 33154 439 22 four four CD 33154 439 23 places place NNS 33154 439 24 in in IN 33154 439 25 one one CD 33154 439 26 rotation rotation NN 33154 439 27 where where WRB 33154 439 28 the the DT 33154 439 29 sound sound NN 33154 439 30 will will MD 33154 439 31 be be VB 33154 439 32 heard hear VBN 33154 439 33 but but CC 33154 439 34 very very RB 33154 439 35 faintly faintly RB 33154 439 36 , , , 33154 439 37 while while IN 33154 439 38 in in IN 33154 439 39 every every DT 33154 439 40 other other JJ 33154 439 41 position position NN 33154 439 42 it -PRON- PRP 33154 439 43 can can MD 33154 439 44 be be VB 33154 439 45 heard hear VBN 33154 439 46 plainly plainly RB 33154 439 47 enough enough RB 33154 439 48 . . . 33154 440 1 The the DT 33154 440 2 extinction extinction NN 33154 440 3 of of IN 33154 440 4 the the DT 33154 440 5 sound sound NN 33154 440 6 is be VBZ 33154 440 7 due due JJ 33154 440 8 to to IN 33154 440 9 what what WP 33154 440 10 is be VBZ 33154 440 11 called call VBN 33154 440 12 interference interference NN 33154 440 13 . . . 33154 441 1 Each each DT 33154 441 2 of of IN 33154 441 3 the the DT 33154 441 4 prongs prong NNS 33154 441 5 of of IN 33154 441 6 the the DT 33154 441 7 fork fork NN 33154 441 8 is be VBZ 33154 441 9 giving give VBG 33154 441 10 out out RP 33154 441 11 a a DT 33154 441 12 sound sound JJ 33154 441 13 - - HYPH 33154 441 14 wave wave NN 33154 441 15 at at IN 33154 441 16 the the DT 33154 441 17 same same JJ 33154 441 18 time time NN 33154 441 19 , , , 33154 441 20 but but CC 33154 441 21 in in IN 33154 441 22 opposite opposite JJ 33154 441 23 directions direction NNS 33154 441 24 , , , 33154 441 25 each each DT 33154 441 26 wave wave NN 33154 441 27 advancing advance VBG 33154 441 28 outwards outward NNS 33154 441 29 in in IN 33154 441 30 every every DT 33154 441 31 direction direction NN 33154 441 32 . . . 33154 442 1 Where where WRB 33154 442 2 the the DT 33154 442 3 rarefied rarefy VBN 33154 442 4 part part NN 33154 442 5 of of IN 33154 442 6 one one CD 33154 442 7 wave wave NN 33154 442 8 exactly exactly RB 33154 442 9 balances balance VBZ 33154 442 10 the the DT 33154 442 11 condensed condense VBN 33154 442 12 part part NN 33154 442 13 of of IN 33154 442 14 the the DT 33154 442 15 other other JJ 33154 442 16 , , , 33154 442 17 there there EX 33154 442 18 of of IN 33154 442 19 course course NN 33154 442 20 the the DT 33154 442 21 sound sound NN 33154 442 22 will will MD 33154 442 23 be be VB 33154 442 24 extinguished extinguish VBN 33154 442 25 ; ; : 33154 442 26 and and CC 33154 442 27 these these DT 33154 442 28 lines line NNS 33154 442 29 of of IN 33154 442 30 interference interference NN 33154 442 31 are be VBP 33154 442 32 found find VBN 33154 442 33 to to TO 33154 442 34 be be VB 33154 442 35 hyperbolas hyperbolas NNP 33154 442 36 , , , 33154 442 37 or or CC 33154 442 38 , , , 33154 442 39 if if IN 33154 442 40 considered consider VBN 33154 442 41 with with IN 33154 442 42 reference reference NN 33154 442 43 to to IN 33154 442 44 both both CC 33154 442 45 entire entire JJ 33154 442 46 waves wave NNS 33154 442 47 , , , 33154 442 48 two two CD 33154 442 49 hyperbolic hyperbolic JJ 33154 442 50 surfaces surface NNS 33154 442 51 . . . 33154 443 1 SYMPATHETIC SYMPATHETIC NNP 33154 443 2 VIBRATIONS VIBRATIONS NNP 33154 443 3 . . . 33154 444 1 When when WRB 33154 444 2 it -PRON- PRP 33154 444 3 is be VBZ 33154 444 4 once once RB 33154 444 5 understood understand VBN 33154 444 6 that that IN 33154 444 7 a a DT 33154 444 8 musical musical JJ 33154 444 9 sound sound NN 33154 444 10 is be VBZ 33154 444 11 caused cause VBN 33154 444 12 by by IN 33154 444 13 the the DT 33154 444 14 vibrations vibration NNS 33154 444 15 more more RBR 33154 444 16 or or CC 33154 444 17 less less RBR 33154 444 18 frequent frequent JJ 33154 444 19 which which WDT 33154 444 20 only only RB 33154 444 21 make make VBP 33154 444 22 the the DT 33154 444 23 difference difference NN 33154 444 24 we -PRON- PRP 33154 444 25 call call VBP 33154 444 26 pitch pitch NN 33154 444 27 , , , 33154 444 28 it -PRON- PRP 33154 444 29 might may MD 33154 444 30 at at IN 33154 444 31 once once RB 33154 444 32 be be VB 33154 444 33 inferred infer VBN 33154 444 34 , , , 33154 444 35 that that IN 33154 444 36 if if IN 33154 444 37 we -PRON- PRP 33154 444 38 have have VBP 33154 444 39 a a DT 33154 444 40 body body NN 33154 444 41 that that WDT 33154 444 42 is be VBZ 33154 444 43 capable capable JJ 33154 444 44 of of IN 33154 444 45 vibrating vibrate VBG 33154 444 46 say say VB 33154 444 47 a a DT 33154 444 48 hundred hundred CD 33154 444 49 times time NNS 33154 444 50 a a DT 33154 444 51 second second NN 33154 444 52 , , , 33154 444 53 and and CC 33154 444 54 it -PRON- PRP 33154 444 55 receives receive VBZ 33154 444 56 a a DT 33154 444 57 hundred hundred CD 33154 444 58 pulses pulse NNS 33154 444 59 or or CC 33154 444 60 pushes push VBZ 33154 444 61 a a DT 33154 444 62 second second NN 33154 444 63 , , , 33154 444 64 it -PRON- PRP 33154 444 65 would would MD 33154 444 66 in in IN 33154 444 67 this this DT 33154 444 68 way way NN 33154 444 69 be be VB 33154 444 70 made make VBN 33154 444 71 to to TO 33154 444 72 vibrate vibrate VB 33154 444 73 . . . 33154 445 1 Suppose suppose VB 33154 445 2 , , , 33154 445 3 then then RB 33154 445 4 , , , 33154 445 5 that that IN 33154 445 6 we -PRON- PRP 33154 445 7 take take VBP 33154 445 8 two two CD 33154 445 9 tuning tuning NN 33154 445 10 - - HYPH 33154 445 11 forks fork NNS 33154 445 12 , , , 33154 445 13 each each DT 33154 445 14 capable capable JJ 33154 445 15 of of IN 33154 445 16 vibrating vibrate VBG 33154 445 17 256 256 CD 33154 445 18 times time NNS 33154 445 19 a a DT 33154 445 20 second second NN 33154 445 21 : : : 33154 445 22 if if IN 33154 445 23 one one CD 33154 445 24 be be VB 33154 445 25 struck strike VBN 33154 445 26 while while IN 33154 445 27 the the DT 33154 445 28 other other JJ 33154 445 29 is be VBZ 33154 445 30 left leave VBN 33154 445 31 free free JJ 33154 445 32 , , , 33154 445 33 the the DT 33154 445 34 former former JJ 33154 445 35 one one NN 33154 445 36 will will MD 33154 445 37 be be VB 33154 445 38 giving give VBG 33154 445 39 to to IN 33154 445 40 the the DT 33154 445 41 air air NN 33154 445 42 256 256 CD 33154 445 43 impulses impulse NNS 33154 445 44 per per IN 33154 445 45 second second NN 33154 445 46 , , , 33154 445 47 which which WDT 33154 445 48 will will MD 33154 445 49 reach reach VB 33154 445 50 the the DT 33154 445 51 other other JJ 33154 445 52 fork fork NN 33154 445 53 , , , 33154 445 54 each each DT 33154 445 55 pulse pulse NN 33154 445 56 tending tend VBG 33154 445 57 to to TO 33154 445 58 move move VB 33154 445 59 it -PRON- PRP 33154 445 60 a a DT 33154 445 61 little little JJ 33154 445 62 , , , 33154 445 63 the the DT 33154 445 64 cumulative cumulative JJ 33154 445 65 result result NN 33154 445 66 being be VBG 33154 445 67 to to TO 33154 445 68 make make VB 33154 445 69 it -PRON- PRP 33154 445 70 move move VB 33154 445 71 perceptibly perceptibly RB 33154 445 72 , , , 33154 445 73 that that RB 33154 445 74 is is RB 33154 445 75 , , , 33154 445 76 to to TO 33154 445 77 give give VB 33154 445 78 out out RP 33154 445 79 a a DT 33154 445 80 sound sound NN 33154 445 81 . . . 33154 446 1 The the DT 33154 446 2 principle principle NN 33154 446 3 is be VBZ 33154 446 4 just just RB 33154 446 5 the the DT 33154 446 6 same same JJ 33154 446 7 as as IN 33154 446 8 that that DT 33154 446 9 employed employ VBN 33154 446 10 in in IN 33154 446 11 the the DT 33154 446 12 common common JJ 33154 446 13 swing swing NN 33154 446 14 . . . 33154 447 1 One one CD 33154 447 2 push push NN 33154 447 3 makes make VBZ 33154 447 4 the the DT 33154 447 5 swing swing NN 33154 447 6 to to TO 33154 447 7 move move VB 33154 447 8 a a DT 33154 447 9 little little JJ 33154 447 10 , , , 33154 447 11 upon upon IN 33154 447 12 its -PRON- PRP$ 33154 447 13 return return NN 33154 447 14 another another DT 33154 447 15 is be VBZ 33154 447 16 given give VBN 33154 447 17 , , , 33154 447 18 in in IN 33154 447 19 like like IN 33154 447 20 manner manner NN 33154 447 21 a a DT 33154 447 22 third third NN 33154 447 23 , , , 33154 447 24 and and CC 33154 447 25 so so RB 33154 447 26 on on RB 33154 447 27 until until IN 33154 447 28 a a DT 33154 447 29 person person NN 33154 447 30 may may MD 33154 447 31 be be VB 33154 447 32 swung swing VBN 33154 447 33 many many JJ 33154 447 34 feet foot NNS 33154 447 35 high high JJ 33154 447 36 . . . 33154 448 1 If if IN 33154 448 2 a a DT 33154 448 3 glass glass NN 33154 448 4 tumbler tumbler NN 33154 448 5 be be VB 33154 448 6 struck strike VBN 33154 448 7 , , , 33154 448 8 it -PRON- PRP 33154 448 9 gives give VBZ 33154 448 10 out out RP 33154 448 11 a a DT 33154 448 12 musical musical JJ 33154 448 13 sound sound NN 33154 448 14 of of IN 33154 448 15 a a DT 33154 448 16 certain certain JJ 33154 448 17 pitch pitch NN 33154 448 18 , , , 33154 448 19 which which WDT 33154 448 20 will will MD 33154 448 21 set set VB 33154 448 22 a a DT 33154 448 23 piano piano NN 33154 448 24 - - HYPH 33154 448 25 string string NN 33154 448 26 sounding sounding NN 33154 448 27 that that WDT 33154 448 28 is be VBZ 33154 448 29 tuned tune VBN 33154 448 30 to to IN 33154 448 31 the the DT 33154 448 32 same same JJ 33154 448 33 pitch pitch NN 33154 448 34 , , , 33154 448 35 provided provide VBN 33154 448 36 that that IN 33154 448 37 the the DT 33154 448 38 damper damper NN 33154 448 39 be be VB 33154 448 40 raised raise VBN 33154 448 41 . . . 33154 449 1 It -PRON- PRP 33154 449 2 is be VBZ 33154 449 3 said say VBN 33154 449 4 that that IN 33154 449 5 some some DT 33154 449 6 persons person NNS 33154 449 7 ' ' POS 33154 449 8 voices voice NNS 33154 449 9 have have VBP 33154 449 10 broken break VBN 33154 449 11 tumblers tumbler NNS 33154 449 12 by by IN 33154 449 13 singing singe VBG 33154 449 14 powerfully powerfully RB 33154 449 15 near near IN 33154 449 16 them -PRON- PRP 33154 449 17 the the DT 33154 449 18 same same JJ 33154 449 19 note note NN 33154 449 20 which which WDT 33154 449 21 the the DT 33154 449 22 tumblers tumbler NNS 33154 449 23 could could MD 33154 449 24 give give VB 33154 449 25 out out RP 33154 449 26 , , , 33154 449 27 the the DT 33154 449 28 vibrations vibration NNS 33154 449 29 of of IN 33154 449 30 the the DT 33154 449 31 tumblers tumbler NNS 33154 449 32 being be VBG 33154 449 33 so so RB 33154 449 34 great great JJ 33154 449 35 as as IN 33154 449 36 to to TO 33154 449 37 overcome overcome VB 33154 449 38 cohesion cohesion NN 33154 449 39 of of IN 33154 449 40 the the DT 33154 449 41 molecules molecule NNS 33154 449 42 . . . 33154 450 1 There there EX 33154 450 2 are be VBP 33154 450 3 very very RB 33154 450 4 many many JJ 33154 450 5 interesting interesting JJ 33154 450 6 effects effect NNS 33154 450 7 due due IN 33154 450 8 to to IN 33154 450 9 sympathetic sympathetic JJ 33154 450 10 vibrations vibration NNS 33154 450 11 . . . 33154 451 1 Large large JJ 33154 451 2 trees tree NNS 33154 451 3 are be VBP 33154 451 4 sometimes sometimes RB 33154 451 5 uprooted uproot VBN 33154 451 6 by by IN 33154 451 7 wind wind NN 33154 451 8 that that WDT 33154 451 9 comes come VBZ 33154 451 10 in in IN 33154 451 11 gusts gust NNS 33154 451 12 timed time VBD 33154 451 13 to to IN 33154 451 14 the the DT 33154 451 15 rate rate NN 33154 451 16 of of IN 33154 451 17 vibration vibration NN 33154 451 18 of of IN 33154 451 19 the the DT 33154 451 20 tree tree NN 33154 451 21 . . . 33154 452 1 When when WRB 33154 452 2 troops troop NNS 33154 452 3 of of IN 33154 452 4 soldiers soldier NNS 33154 452 5 are be VBP 33154 452 6 to to TO 33154 452 7 cross cross VB 33154 452 8 a a DT 33154 452 9 bridge bridge NN 33154 452 10 , , , 33154 452 11 the the DT 33154 452 12 music music NN 33154 452 13 ceases cease VBZ 33154 452 14 , , , 33154 452 15 and and CC 33154 452 16 the the DT 33154 452 17 ranks rank NNS 33154 452 18 are be VBP 33154 452 19 broken break VBN 33154 452 20 , , , 33154 452 21 lest lest IN 33154 452 22 the the DT 33154 452 23 accumulated accumulate VBN 33154 452 24 strain strain NN 33154 452 25 of of IN 33154 452 26 timed time VBN 33154 452 27 vibrations vibration NNS 33154 452 28 should should MD 33154 452 29 break break VB 33154 452 30 the the DT 33154 452 31 structure structure NN 33154 452 32 ; ; : 33154 452 33 indeed indeed RB 33154 452 34 , , , 33154 452 35 such such JJ 33154 452 36 accidents accident NNS 33154 452 37 have have VBP 33154 452 38 several several JJ 33154 452 39 times time NNS 33154 452 40 occurred occur VBD 33154 452 41 . . . 33154 453 1 There there EX 33154 453 2 is be VBZ 33154 453 3 not not RB 33154 453 4 so so RB 33154 453 5 much much JJ 33154 453 6 danger danger NN 33154 453 7 to to IN 33154 453 8 a a DT 33154 453 9 bridge bridge NN 33154 453 10 when when WRB 33154 453 11 it -PRON- PRP 33154 453 12 is be VBZ 33154 453 13 heavily heavily RB 33154 453 14 loaded load VBN 33154 453 15 with with IN 33154 453 16 men man NNS 33154 453 17 or or CC 33154 453 18 with with IN 33154 453 19 cattle cattle NNS 33154 453 20 , , , 33154 453 21 as as IN 33154 453 22 when when WRB 33154 453 23 a a DT 33154 453 24 few few JJ 33154 453 25 men man NNS 33154 453 26 go go VBP 33154 453 27 marching march VBG 33154 453 28 over over IN 33154 453 29 it -PRON- PRP 33154 453 30 . . . 33154 454 1 " " `` 33154 454 2 When when WRB 33154 454 3 the the DT 33154 454 4 iron iron NN 33154 454 5 bridge bridge NN 33154 454 6 at at IN 33154 454 7 Colebrooke Colebrooke NNP 33154 454 8 Dale Dale NNP 33154 454 9 was be VBD 33154 454 10 building build VBG 33154 454 11 , , , 33154 454 12 a a DT 33154 454 13 fiddler fiddler NN 33154 454 14 came come VBD 33154 454 15 along along RB 33154 454 16 , , , 33154 454 17 and and CC 33154 454 18 said say VBD 33154 454 19 to to IN 33154 454 20 the the DT 33154 454 21 workmen workman NNS 33154 454 22 that that WDT 33154 454 23 he -PRON- PRP 33154 454 24 could could MD 33154 454 25 fiddle fiddle VB 33154 454 26 their -PRON- PRP$ 33154 454 27 bridge bridge NN 33154 454 28 down down RB 33154 454 29 . . . 33154 455 1 The the DT 33154 455 2 builders builder NNS 33154 455 3 thought think VBD 33154 455 4 this this DT 33154 455 5 boast boast NN 33154 455 6 a a DT 33154 455 7 fiddle fiddle NN 33154 455 8 - - HYPH 33154 455 9 de de NN 33154 455 10 - - JJ 33154 455 11 dee dee NNP 33154 455 12 , , , 33154 455 13 and and CC 33154 455 14 invited invite VBD 33154 455 15 the the DT 33154 455 16 musician musician NN 33154 455 17 to to TO 33154 455 18 fiddle fiddle VB 33154 455 19 away away RB 33154 455 20 to to IN 33154 455 21 his -PRON- PRP$ 33154 455 22 heart heart NN 33154 455 23 's 's POS 33154 455 24 content content NN 33154 455 25 . . . 33154 456 1 One one CD 33154 456 2 note note NN 33154 456 3 after after IN 33154 456 4 another another DT 33154 456 5 was be VBD 33154 456 6 struck strike VBN 33154 456 7 upon upon IN 33154 456 8 the the DT 33154 456 9 strings string NNS 33154 456 10 , , , 33154 456 11 until until IN 33154 456 12 one one CD 33154 456 13 was be VBD 33154 456 14 found find VBN 33154 456 15 with with IN 33154 456 16 which which WDT 33154 456 17 the the DT 33154 456 18 bridge bridge NN 33154 456 19 was be VBD 33154 456 20 in in IN 33154 456 21 sympathy sympathy NN 33154 456 22 . . . 33154 457 1 When when WRB 33154 457 2 the the DT 33154 457 3 bridge bridge NN 33154 457 4 began begin VBD 33154 457 5 to to TO 33154 457 6 shake shake VB 33154 457 7 violently violently RB 33154 457 8 , , , 33154 457 9 the the DT 33154 457 10 workmen workman NNS 33154 457 11 were be VBD 33154 457 12 alarmed alarm VBN 33154 457 13 at at IN 33154 457 14 the the DT 33154 457 15 unexpected unexpected JJ 33154 457 16 result result NN 33154 457 17 , , , 33154 457 18 and and CC 33154 457 19 ordered order VBD 33154 457 20 the the DT 33154 457 21 fiddler fiddler NN 33154 457 22 to to TO 33154 457 23 stop stop VB 33154 457 24 . . . 33154 457 25 " " '' 33154 458 1 Some some DT 33154 458 2 halls hall NNS 33154 458 3 and and CC 33154 458 4 churches church NNS 33154 458 5 are be VBP 33154 458 6 wretchedly wretchedly RB 33154 458 7 adapted adapt VBN 33154 458 8 to to TO 33154 458 9 hear hear VB 33154 458 10 either either CC 33154 458 11 speaking speak VBG 33154 458 12 or or CC 33154 458 13 singing singe VBG 33154 458 14 in in RP 33154 458 15 . . . 33154 459 1 If if IN 33154 459 2 wires wire NNS 33154 459 3 be be VB 33154 459 4 stretched stretch VBN 33154 459 5 across across IN 33154 459 6 such such JJ 33154 459 7 halls hall NNS 33154 459 8 , , , 33154 459 9 between between IN 33154 459 10 the the DT 33154 459 11 speaker speaker NN 33154 459 12 's 's POS 33154 459 13 stand stand NN 33154 459 14 and and CC 33154 459 15 the the DT 33154 459 16 opposite opposite JJ 33154 459 17 end end NN 33154 459 18 , , , 33154 459 19 they -PRON- PRP 33154 459 20 will will MD 33154 459 21 absorb absorb VB 33154 459 22 the the DT 33154 459 23 passing pass VBG 33154 459 24 sound sound NN 33154 459 25 - - HYPH 33154 459 26 waves wave NNS 33154 459 27 , , , 33154 459 28 and and CC 33154 459 29 will will MD 33154 459 30 be be VB 33154 459 31 made make VBN 33154 459 32 to to IN 33154 459 33 sympathetically sympathetically RB 33154 459 34 vibrate vibrate VB 33154 459 35 , , , 33154 459 36 thus thus RB 33154 459 37 preventing prevent VBG 33154 459 38 in in IN 33154 459 39 a a DT 33154 459 40 good good JJ 33154 459 41 degree degree NN 33154 459 42 the the DT 33154 459 43 interfering interfere VBG 33154 459 44 echoes echo NNS 33154 459 45 . . . 33154 460 1 The the DT 33154 460 2 wire wire NN 33154 460 3 should should MD 33154 460 4 be be VB 33154 460 5 rather rather RB 33154 460 6 fine fine JJ 33154 460 7 piano piano NN 33154 460 8 - - HYPH 33154 460 9 wire wire NN 33154 460 10 , , , 33154 460 11 and and CC 33154 460 12 it -PRON- PRP 33154 460 13 should should MD 33154 460 14 be be VB 33154 460 15 stretched stretch VBN 33154 460 16 so so RB 33154 460 17 tightly tightly RB 33154 460 18 as as IN 33154 460 19 to to TO 33154 460 20 give give VB 33154 460 21 out out RP 33154 460 22 a a DT 33154 460 23 low low JJ 33154 460 24 musical musical JJ 33154 460 25 sound sound NN 33154 460 26 when when WRB 33154 460 27 plucked pluck VBN 33154 460 28 with with IN 33154 460 29 the the DT 33154 460 30 fingers finger NNS 33154 460 31 . . . 33154 461 1 In in IN 33154 461 2 a a DT 33154 461 3 large large JJ 33154 461 4 hall hall NN 33154 461 5 there there EX 33154 461 6 should should MD 33154 461 7 be be VB 33154 461 8 twenty twenty CD 33154 461 9 or or CC 33154 461 10 more more JJR 33154 461 11 such such JJ 33154 461 12 wires wire NNS 33154 461 13 . . . 33154 462 1 RESONANCE resonance NN 33154 462 2 . . . 33154 463 1 When when WRB 33154 463 2 a a DT 33154 463 3 tuning tuning NN 33154 463 4 - - HYPH 33154 463 5 fork fork NN 33154 463 6 is be VBZ 33154 463 7 struck strike VBN 33154 463 8 , , , 33154 463 9 and and CC 33154 463 10 held hold VBD 33154 463 11 out out RP 33154 463 12 in in IN 33154 463 13 the the DT 33154 463 14 air air NN 33154 463 15 , , , 33154 463 16 the the DT 33154 463 17 vibrations vibration NNS 33154 463 18 can can MD 33154 463 19 be be VB 33154 463 20 felt feel VBN 33154 463 21 for for IN 33154 463 22 a a DT 33154 463 23 time time NN 33154 463 24 by by IN 33154 463 25 the the DT 33154 463 26 fingers finger NNS 33154 463 27 ; ; : 33154 463 28 but but CC 33154 463 29 the the DT 33154 463 30 sound sound NN 33154 463 31 is be VBZ 33154 463 32 hardly hardly RB 33154 463 33 audible audible JJ 33154 463 34 unless unless IN 33154 463 35 the the DT 33154 463 36 fork fork NN 33154 463 37 be be VB 33154 463 38 placed place VBN 33154 463 39 close close RB 33154 463 40 to to IN 33154 463 41 the the DT 33154 463 42 ear ear NN 33154 463 43 . . . 33154 464 1 Let let VB 33154 464 2 the the DT 33154 464 3 stem stem NN 33154 464 4 of of IN 33154 464 5 the the DT 33154 464 6 fork fork NN 33154 464 7 rest rest NN 33154 464 8 upon upon IN 33154 464 9 the the DT 33154 464 10 table table NN 33154 464 11 , , , 33154 464 12 a a DT 33154 464 13 chair chair NN 33154 464 14 , , , 33154 464 15 or or CC 33154 464 16 any any DT 33154 464 17 solid solid JJ 33154 464 18 body body NN 33154 464 19 of of IN 33154 464 20 considerable considerable JJ 33154 464 21 size size NN 33154 464 22 , , , 33154 464 23 and and CC 33154 464 24 the the DT 33154 464 25 sound sound NN 33154 464 26 is be VBZ 33154 464 27 so so RB 33154 464 28 much much JJ 33154 464 29 increased increase VBN 33154 464 30 in in IN 33154 464 31 loudness loudness NN 33154 464 32 as as IN 33154 464 33 to to TO 33154 464 34 be be VB 33154 464 35 heard hear VBN 33154 464 36 in in IN 33154 464 37 every every DT 33154 464 38 part part NN 33154 464 39 of of IN 33154 464 40 a a DT 33154 464 41 large large JJ 33154 464 42 room room NN 33154 464 43 . . . 33154 465 1 The the DT 33154 465 2 reason reason NN 33154 465 3 appears appear VBZ 33154 465 4 to to TO 33154 465 5 be be VB 33154 465 6 , , , 33154 465 7 that that IN 33154 465 8 in in IN 33154 465 9 the the DT 33154 465 10 first first JJ 33154 465 11 case case NN 33154 465 12 the the DT 33154 465 13 vibrations vibration NNS 33154 465 14 are be VBP 33154 465 15 so so RB 33154 465 16 slight slight JJ 33154 465 17 that that IN 33154 465 18 the the DT 33154 465 19 air air NN 33154 465 20 is be VBZ 33154 465 21 not not RB 33154 465 22 much much RB 33154 465 23 affected affect VBN 33154 465 24 . . . 33154 466 1 Most Most JJS 33154 466 2 of of IN 33154 466 3 the the DT 33154 466 4 force force NN 33154 466 5 of of IN 33154 466 6 the the DT 33154 466 7 vibration vibration NN 33154 466 8 is be VBZ 33154 466 9 absorbed absorb VBN 33154 466 10 by by IN 33154 466 11 the the DT 33154 466 12 hand hand NN 33154 466 13 that that WDT 33154 466 14 holds hold VBZ 33154 466 15 it -PRON- PRP 33154 466 16 ; ; : 33154 466 17 but but CC 33154 466 18 when when WRB 33154 466 19 the the DT 33154 466 20 stem stem NN 33154 466 21 rests rest VBZ 33154 466 22 upon upon IN 33154 466 23 a a DT 33154 466 24 hard hard JJ 33154 466 25 body body NN 33154 466 26 of of IN 33154 466 27 considerable considerable JJ 33154 466 28 extent extent NN 33154 466 29 , , , 33154 466 30 the the DT 33154 466 31 vibrations vibration NNS 33154 466 32 are be VBP 33154 466 33 given give VBN 33154 466 34 up up RP 33154 466 35 to to IN 33154 466 36 it -PRON- PRP 33154 466 37 , , , 33154 466 38 and and CC 33154 466 39 every every DT 33154 466 40 part part NN 33154 466 41 of of IN 33154 466 42 its -PRON- PRP$ 33154 466 43 surface surface NN 33154 466 44 is be VBZ 33154 466 45 giving give VBG 33154 466 46 off off RP 33154 466 47 the the DT 33154 466 48 vibrations vibration NNS 33154 466 49 to to IN 33154 466 50 the the DT 33154 466 51 air air NN 33154 466 52 . . . 33154 467 1 In in IN 33154 467 2 other other JJ 33154 467 3 words word NNS 33154 467 4 , , , 33154 467 5 it -PRON- PRP 33154 467 6 is be VBZ 33154 467 7 a a DT 33154 467 8 much much RB 33154 467 9 larger large JJR 33154 467 10 body body NN 33154 467 11 that that WDT 33154 467 12 is be VBZ 33154 467 13 now now RB 33154 467 14 vibrating vibrate VBG 33154 467 15 , , , 33154 467 16 and and CC 33154 467 17 consequently consequently RB 33154 467 18 the the DT 33154 467 19 air air NN 33154 467 20 is be VBZ 33154 467 21 receiving receive VBG 33154 467 22 the the DT 33154 467 23 amplified amplified JJ 33154 467 24 sound sound NN 33154 467 25 - - HYPH 33154 467 26 waves wave NNS 33154 467 27 . . . 33154 468 1 If if IN 33154 468 2 the the DT 33154 468 3 stem stem NN 33154 468 4 of of IN 33154 468 5 the the DT 33154 468 6 fork fork NN 33154 468 7 had have VBD 33154 468 8 been be VBN 33154 468 9 made make VBN 33154 468 10 to to TO 33154 468 11 rest rest VB 33154 468 12 upon upon IN 33154 468 13 a a DT 33154 468 14 bit bit NN 33154 468 15 of of IN 33154 468 16 rubber rubber NN 33154 468 17 , , , 33154 468 18 the the DT 33154 468 19 sound sound NN 33154 468 20 would would MD 33154 468 21 not not RB 33154 468 22 only only RB 33154 468 23 not not RB 33154 468 24 have have VB 33154 468 25 been be VBN 33154 468 26 re re VBN 33154 468 27 - - VBN 33154 468 28 enforced enforce VBN 33154 468 29 in in IN 33154 468 30 such such PDT 33154 468 31 a a DT 33154 468 32 way way NN 33154 468 33 , , , 33154 468 34 but but CC 33154 468 35 the the DT 33154 468 36 fork fork NN 33154 468 37 would would MD 33154 468 38 very very RB 33154 468 39 soon soon RB 33154 468 40 have have VB 33154 468 41 been be VBN 33154 468 42 brought bring VBN 33154 468 43 to to IN 33154 468 44 rest rest NN 33154 468 45 ; ; : 33154 468 46 for for IN 33154 468 47 India India NNP 33154 468 48 rubber rubber NN 33154 468 49 _ _ NNP 33154 468 50 absorbs absorb VBZ 33154 468 51 _ _ NNP 33154 468 52 sound sound NN 33154 468 53 vibrations vibration NNS 33154 468 54 , , , 33154 468 55 and and CC 33154 468 56 converts convert VBZ 33154 468 57 them -PRON- PRP 33154 468 58 into into IN 33154 468 59 heat heat NN 33154 468 60 vibrations vibration NNS 33154 468 61 , , , 33154 468 62 as as IN 33154 468 63 is be VBZ 33154 468 64 proved prove VBN 33154 468 65 by by IN 33154 468 66 placing place VBG 33154 468 67 such such PDT 33154 468 68 a a DT 33154 468 69 combination combination NN 33154 468 70 upon upon IN 33154 468 71 the the DT 33154 468 72 face face NN 33154 468 73 of of IN 33154 468 74 a a DT 33154 468 75 thermo thermo JJ 33154 468 76 - - HYPH 33154 468 77 pile pile NN 33154 468 78 . . . 33154 469 1 If if IN 33154 469 2 one one PRP 33154 469 3 will will MD 33154 469 4 but but CC 33154 469 5 put put VB 33154 469 6 his -PRON- PRP$ 33154 469 7 hand hand NN 33154 469 8 upon upon IN 33154 469 9 a a DT 33154 469 10 table table NN 33154 469 11 or or CC 33154 469 12 a a DT 33154 469 13 chair chair NN 33154 469 14 - - HYPH 33154 469 15 back back NN 33154 469 16 in in IN 33154 469 17 any any DT 33154 469 18 room room NN 33154 469 19 where where WRB 33154 469 20 a a DT 33154 469 21 piano piano NN 33154 469 22 or or CC 33154 469 23 an an DT 33154 469 24 organ organ NN 33154 469 25 is be VBZ 33154 469 26 being be VBG 33154 469 27 played play VBN 33154 469 28 , , , 33154 469 29 or or CC 33154 469 30 where where WRB 33154 469 31 voices voice NNS 33154 469 32 are be VBP 33154 469 33 singing singe VBG 33154 469 34 , , , 33154 469 35 especially especially RB 33154 469 36 in in IN 33154 469 37 church church NN 33154 469 38 , , , 33154 469 39 he -PRON- PRP 33154 469 40 can can MD 33154 469 41 not not RB 33154 469 42 fail fail VB 33154 469 43 to to TO 33154 469 44 feel feel VB 33154 469 45 the the DT 33154 469 46 sound sound NN 33154 469 47 ; ; : 33154 469 48 and and CC 33154 469 49 if if IN 33154 469 50 he -PRON- PRP 33154 469 51 notices notice VBZ 33154 469 52 carefully carefully RB 33154 469 53 he -PRON- PRP 33154 469 54 will will MD 33154 469 55 perceive perceive VB 33154 469 56 that that IN 33154 469 57 some some DT 33154 469 58 sounds sound NNS 33154 469 59 make make VBP 33154 469 60 such such JJ 33154 469 61 table table NN 33154 469 62 or or CC 33154 469 63 seat seat NN 33154 469 64 to to TO 33154 469 65 shake shake VB 33154 469 66 much much RB 33154 469 67 more more RBR 33154 469 68 vigorously vigorously RB 33154 469 69 than than IN 33154 469 70 others,--a others,--a NNP 33154 469 71 genuine genuine JJ 33154 469 72 case case NN 33154 469 73 of of IN 33154 469 74 sympathetic sympathetic JJ 33154 469 75 vibrations vibration NNS 33154 469 76 . . . 33154 470 1 It -PRON- PRP 33154 470 2 is be VBZ 33154 470 3 for for IN 33154 470 4 this this DT 33154 470 5 reason reason NN 33154 470 6 that that IN 33154 470 7 special special JJ 33154 470 8 materials material NNS 33154 470 9 and and CC 33154 470 10 shapes shape NNS 33154 470 11 are be VBP 33154 470 12 given give VBN 33154 470 13 to to IN 33154 470 14 parts part NNS 33154 470 15 of of IN 33154 470 16 musical musical JJ 33154 470 17 instruments instrument NNS 33154 470 18 , , , 33154 470 19 so so IN 33154 470 20 that that IN 33154 470 21 they -PRON- PRP 33154 470 22 may may MD 33154 470 23 respond respond VB 33154 470 24 to to IN 33154 470 25 the the DT 33154 470 26 various various JJ 33154 470 27 vibrations vibration NNS 33154 470 28 of of IN 33154 470 29 the the DT 33154 470 30 strings string NNS 33154 470 31 or or CC 33154 470 32 reeds reed NNS 33154 470 33 . . . 33154 471 1 For for IN 33154 471 2 instance instance NN 33154 471 3 , , , 33154 471 4 the the DT 33154 471 5 piano piano NN 33154 471 6 has have VBZ 33154 471 7 an an DT 33154 471 8 extensive extensive JJ 33154 471 9 thin thin JJ 33154 471 10 board board NN 33154 471 11 of of IN 33154 471 12 spruce spruce NN 33154 471 13 underneath underneath IN 33154 471 14 all all PDT 33154 471 15 the the DT 33154 471 16 strings string NNS 33154 471 17 , , , 33154 471 18 which which WDT 33154 471 19 is be VBZ 33154 471 20 called call VBN 33154 471 21 the the DT 33154 471 22 sounding sounding NN 33154 471 23 - - HYPH 33154 471 24 board board NN 33154 471 25 . . . 33154 472 1 This this DT 33154 472 2 board board NN 33154 472 3 takes take VBZ 33154 472 4 up up RP 33154 472 5 the the DT 33154 472 6 vibrations vibration NNS 33154 472 7 of of IN 33154 472 8 the the DT 33154 472 9 strings string NNS 33154 472 10 ; ; : 33154 472 11 but but CC 33154 472 12 , , , 33154 472 13 unlike unlike IN 33154 472 14 the the DT 33154 472 15 rubber rubber NN 33154 472 16 , , , 33154 472 17 gives give VBZ 33154 472 18 them -PRON- PRP 33154 472 19 all all DT 33154 472 20 out out RP 33154 472 21 to to IN 33154 472 22 the the DT 33154 472 23 air air NN 33154 472 24 , , , 33154 472 25 greatly greatly RB 33154 472 26 re re VB 33154 472 27 - - VBG 33154 472 28 enforcing enforce VBG 33154 472 29 their -PRON- PRP$ 33154 472 30 strength strength NN 33154 472 31 , , , 33154 472 32 and and CC 33154 472 33 changing change VBG 33154 472 34 somewhat somewhat RB 33154 472 35 their -PRON- PRP$ 33154 472 36 quality quality NN 33154 472 37 . . . 33154 473 1 But but CC 33154 473 2 the the DT 33154 473 3 air air NN 33154 473 4 itself -PRON- PRP 33154 473 5 may may MD 33154 473 6 act act VB 33154 473 7 in in IN 33154 473 8 like like IN 33154 473 9 manner manner NN 33154 473 10 . . . 33154 474 1 In in IN 33154 474 2 almost almost RB 33154 474 3 any any DT 33154 474 4 room room NN 33154 474 5 or or CC 33154 474 6 hall hall NN 33154 474 7 not not RB 33154 474 8 more more JJR 33154 474 9 than than IN 33154 474 10 fifteen fifteen CD 33154 474 11 or or CC 33154 474 12 twenty twenty CD 33154 474 13 feet foot NNS 33154 474 14 long long JJ 33154 474 15 , , , 33154 474 16 a a DT 33154 474 17 person person NN 33154 474 18 can can MD 33154 474 19 find find VB 33154 474 20 some some DT 33154 474 21 tone tone NN 33154 474 22 of of IN 33154 474 23 the the DT 33154 474 24 voice voice NN 33154 474 25 that that WDT 33154 474 26 will will MD 33154 474 27 seem seem VB 33154 474 28 to to TO 33154 474 29 meet meet VB 33154 474 30 some some DT 33154 474 31 response response NN 33154 474 32 from from IN 33154 474 33 the the DT 33154 474 34 room room NN 33154 474 35 . . . 33154 475 1 Some some DT 33154 475 2 short short JJ 33154 475 3 tunnels tunnel NNS 33154 475 4 will will MD 33154 475 5 from from IN 33154 475 6 certain certain JJ 33154 475 7 positions position NNS 33154 475 8 yield yield VBP 33154 475 9 very very RB 33154 475 10 powerful powerful JJ 33154 475 11 , , , 33154 475 12 responsive responsive JJ 33154 475 13 , , , 33154 475 14 resonant resonant JJ 33154 475 15 tones tone NNS 33154 475 16 . . . 33154 476 1 There there EX 33154 476 2 is be VBZ 33154 476 3 certainly certainly RB 33154 476 4 one one CD 33154 476 5 such such JJ 33154 476 6 in in IN 33154 476 7 Central Central NNP 33154 476 8 Park Park NNP 33154 476 9 , , , 33154 476 10 New New NNP 33154 476 11 York York NNP 33154 476 12 . . . 33154 477 1 It -PRON- PRP 33154 477 2 is be VBZ 33154 477 3 forty forty CD 33154 477 4 or or CC 33154 477 5 fifty fifty CD 33154 477 6 feet foot NNS 33154 477 7 long long JJ 33154 477 8 . . . 33154 478 1 To to IN 33154 478 2 a a DT 33154 478 3 person person NN 33154 478 4 standing stand VBG 33154 478 5 in in IN 33154 478 6 the the DT 33154 478 7 middle middle NN 33154 478 8 of of IN 33154 478 9 this this DT 33154 478 10 , , , 33154 478 11 and and CC 33154 478 12 speaking speak VBG 33154 478 13 or or CC 33154 478 14 making make VBG 33154 478 15 any any DT 33154 478 16 kind kind NN 33154 478 17 of of IN 33154 478 18 a a DT 33154 478 19 noise noise NN 33154 478 20 on on IN 33154 478 21 a a DT 33154 478 22 certain certain JJ 33154 478 23 pitch pitch NN 33154 478 24 , , , 33154 478 25 the the DT 33154 478 26 resonance resonance NN 33154 478 27 is be VBZ 33154 478 28 almost almost RB 33154 478 29 deafening deafen VBG 33154 478 30 . . . 33154 479 1 It -PRON- PRP 33154 479 2 is be VBZ 33154 479 3 easy easy JJ 33154 479 4 to to TO 33154 479 5 understand understand VB 33154 479 6 . . . 33154 480 1 When when WRB 33154 480 2 a a DT 33154 480 3 column column NN 33154 480 4 of of IN 33154 480 5 air air NN 33154 480 6 enclosed enclose VBN 33154 480 7 in in IN 33154 480 8 a a DT 33154 480 9 tube tube NN 33154 480 10 is be VBZ 33154 480 11 made make VBN 33154 480 12 to to TO 33154 480 13 vibrate vibrate VB 33154 480 14 by by IN 33154 480 15 any any DT 33154 480 16 sound sound NN 33154 480 17 whose whose WP$ 33154 480 18 wave wave NN 33154 480 19 - - HYPH 33154 480 20 length length NN 33154 480 21 is be VBZ 33154 480 22 twice twice PDT 33154 480 23 the the DT 33154 480 24 length length NN 33154 480 25 of of IN 33154 480 26 the the DT 33154 480 27 tube tube NN 33154 480 28 , , , 33154 480 29 we -PRON- PRP 33154 480 30 have have VBP 33154 480 31 such such JJ 33154 480 32 column column NN 33154 480 33 of of IN 33154 480 34 air air NN 33154 480 35 now now RB 33154 480 36 filled fill VBN 33154 480 37 with with IN 33154 480 38 the the DT 33154 480 39 condensed condense VBN 33154 480 40 part part NN 33154 480 41 of of IN 33154 480 42 the the DT 33154 480 43 wave wave NN 33154 480 44 , , , 33154 480 45 and and CC 33154 480 46 now now RB 33154 480 47 with with IN 33154 480 48 the the DT 33154 480 49 rarefied rarefied JJ 33154 480 50 part part NN 33154 480 51 ; ; , 33154 480 52 and and CC 33154 480 53 as as IN 33154 480 54 these these DT 33154 480 55 motions motion NNS 33154 480 56 can can MD 33154 480 57 not not RB 33154 480 58 be be VB 33154 480 59 conducted conduct VBN 33154 480 60 laterally laterally RB 33154 480 61 , , , 33154 480 62 but but CC 33154 480 63 must must MD 33154 480 64 move move VB 33154 480 65 in in IN 33154 480 66 the the DT 33154 480 67 direction direction NN 33154 480 68 of of IN 33154 480 69 the the DT 33154 480 70 length length NN 33154 480 71 of of IN 33154 480 72 the the DT 33154 480 73 tube tube NN 33154 480 74 , , , 33154 480 75 the the DT 33154 480 76 air air NN 33154 480 77 has have VBZ 33154 480 78 a a DT 33154 480 79 very very RB 33154 480 80 great great JJ 33154 480 81 amplitude amplitude NN 33154 480 82 of of IN 33154 480 83 motion motion NN 33154 480 84 , , , 33154 480 85 and and CC 33154 480 86 the the DT 33154 480 87 sound sound NN 33154 480 88 is be VBZ 33154 480 89 very very RB 33154 480 90 loud loud JJ 33154 480 91 . . . 33154 481 1 If if IN 33154 481 2 one one CD 33154 481 3 end end NN 33154 481 4 of of IN 33154 481 5 the the DT 33154 481 6 tube tube NN 33154 481 7 be be VB 33154 481 8 closed close VBN 33154 481 9 , , , 33154 481 10 then then RB 33154 481 11 the the DT 33154 481 12 length length NN 33154 481 13 must must MD 33154 481 14 be be VB 33154 481 15 but but CC 33154 481 16 one one CD 33154 481 17 - - HYPH 33154 481 18 fourth fourth NN 33154 481 19 of of IN 33154 481 20 the the DT 33154 481 21 wave wave NN 33154 481 22 - - HYPH 33154 481 23 length length NN 33154 481 24 of of IN 33154 481 25 the the DT 33154 481 26 sound sound NN 33154 481 27 . . . 33154 482 1 Take take VB 33154 482 2 a a DT 33154 482 3 tuning tuning NN 33154 482 4 - - HYPH 33154 482 5 fork fork NN 33154 482 6 of of IN 33154 482 7 any any DT 33154 482 8 convenient convenient JJ 33154 482 9 pitch pitch NN 33154 482 10 , , , 33154 482 11 say say VBP 33154 482 12 a a DT 33154 482 13 C c NN 33154 482 14 of of IN 33154 482 15 512 512 CD 33154 482 16 vibrations vibration NNS 33154 482 17 per per IN 33154 482 18 second second NN 33154 482 19 : : : 33154 482 20 hold hold VB 33154 482 21 it -PRON- PRP 33154 482 22 while while IN 33154 482 23 vibrating vibrate VBG 33154 482 24 over over IN 33154 482 25 a a DT 33154 482 26 vertical vertical JJ 33154 482 27 test test NN 33154 482 28 - - HYPH 33154 482 29 tube tube NN 33154 482 30 about about RB 33154 482 31 eight eight CD 33154 482 32 inches inch NNS 33154 482 33 long long JJ 33154 482 34 . . . 33154 483 1 No no DT 33154 483 2 response response NN 33154 483 3 will will MD 33154 483 4 be be VB 33154 483 5 heard hear VBN 33154 483 6 ; ; : 33154 483 7 but but CC 33154 483 8 , , , 33154 483 9 if if IN 33154 483 10 a a DT 33154 483 11 little little JJ 33154 483 12 water water NN 33154 483 13 be be VB 33154 483 14 carefully carefully RB 33154 483 15 poured pour VBN 33154 483 16 into into IN 33154 483 17 the the DT 33154 483 18 tube tube NN 33154 483 19 to to IN 33154 483 20 the the DT 33154 483 21 depth depth NN 33154 483 22 of of IN 33154 483 23 about about RB 33154 483 24 two two CD 33154 483 25 inches inch NNS 33154 483 26 , , , 33154 483 27 the the DT 33154 483 28 tube tube NN 33154 483 29 will will MD 33154 483 30 respond respond VB 33154 483 31 loudly loudly RB 33154 483 32 , , , 33154 483 33 so so IN 33154 483 34 that that IN 33154 483 35 it -PRON- PRP 33154 483 36 might may MD 33154 483 37 be be VB 33154 483 38 heard hear VBN 33154 483 39 over over IN 33154 483 40 a a DT 33154 483 41 large large JJ 33154 483 42 hall hall NN 33154 483 43 . . . 33154 484 1 In in IN 33154 484 2 this this DT 33154 484 3 case case NN 33154 484 4 the the DT 33154 484 5 length length NN 33154 484 6 of of IN 33154 484 7 the the DT 33154 484 8 air air NN 33154 484 9 - - HYPH 33154 484 10 column column NN 33154 484 11 that that WDT 33154 484 12 was be VBD 33154 484 13 responding respond VBG 33154 484 14 , , , 33154 484 15 being be VBG 33154 484 16 one one CD 33154 484 17 - - HYPH 33154 484 18 fourth fourth NN 33154 484 19 the the DT 33154 484 20 wave wave NN 33154 484 21 - - HYPH 33154 484 22 length length NN 33154 484 23 , , , 33154 484 24 would would MD 33154 484 25 give give VB 33154 484 26 twenty twenty CD 33154 484 27 - - HYPH 33154 484 28 four four CD 33154 484 29 inches inch NNS 33154 484 30 as as IN 33154 484 31 the the DT 33154 484 32 wave wave NN 33154 484 33 - - HYPH 33154 484 34 length length NN 33154 484 35 of of IN 33154 484 36 that that DT 33154 484 37 fork fork NN 33154 484 38 . . . 33154 485 1 It -PRON- PRP 33154 485 2 is be VBZ 33154 485 3 easy easy JJ 33154 485 4 in in IN 33154 485 5 this this DT 33154 485 6 way way NN 33154 485 7 to to TO 33154 485 8 measure measure VB 33154 485 9 approximately approximately RB 33154 485 10 the the DT 33154 485 11 number number NN 33154 485 12 of of IN 33154 485 13 vibrations vibration NNS 33154 485 14 made make VBN 33154 485 15 by by IN 33154 485 16 a a DT 33154 485 17 fork fork NN 33154 485 18 . . . 33154 486 1 Letting let VBG 33154 486 2 _ _ NNP 33154 486 3 l l NNP 33154 486 4 _ _ NNP 33154 486 5 = = SYM 33154 486 6 depth depth NN 33154 486 7 of of IN 33154 486 8 tube tube NN 33154 486 9 , , , 33154 486 10 _ _ NNP 33154 486 11 d d NNP 33154 486 12 _ _ NNP 33154 486 13 = = SYM 33154 486 14 diameter diameter NN 33154 486 15 of of IN 33154 486 16 tube tube NN 33154 486 17 , , , 33154 486 18 _ _ NNP 33154 486 19 v v NNP 33154 486 20 _ _ NNP 33154 486 21 = = SYM 33154 486 22 velocity velocity NN 33154 486 23 of of IN 33154 486 24 sound sound NN 33154 486 25 reduced reduce VBN 33154 486 26 for for IN 33154 486 27 temperature temperature NN 33154 486 28 , , , 33154 486 29 _ _ NNP 33154 486 30 N N NNP 33154 486 31 _ _ NNP 33154 486 32 = = SYM 33154 486 33 number number NN 33154 486 34 of of IN 33154 486 35 vibrations vibration NNS 33154 486 36 , , , 33154 486 37 Then then RB 33154 486 38 _ _ NNP 33154 486 39 N N NNP 33154 486 40 _ _ NNP 33154 486 41 = = SYM 33154 486 42 _ _ NNP 33154 486 43 v v NNP 33154 486 44 _ _ NNP 33154 486 45 ------------ ------------ NFP 33154 486 46 ( ( -LRB- 33154 486 47 4(_l_+_d 4(_l_+_d CD 33154 486 48 _ _ NNP 33154 486 49 ) ) -RRB- 33154 486 50 ) ) -RRB- 33154 486 51 . . . 33154 487 1 When when WRB 33154 487 2 a a DT 33154 487 3 vibrating vibrate VBG 33154 487 4 tuning tuning NN 33154 487 5 - - HYPH 33154 487 6 fork fork NN 33154 487 7 is be VBZ 33154 487 8 placed place VBN 33154 487 9 opposite opposite IN 33154 487 10 the the DT 33154 487 11 embouchure embouchure NN 33154 487 12 of of IN 33154 487 13 an an DT 33154 487 14 organ organ NN 33154 487 15 - - HYPH 33154 487 16 pipe pipe NN 33154 487 17 of of IN 33154 487 18 the the DT 33154 487 19 same same JJ 33154 487 20 pitch pitch NN 33154 487 21 , , , 33154 487 22 the the DT 33154 487 23 pipe pipe NN 33154 487 24 will will MD 33154 487 25 resound resound VB 33154 487 26 to to IN 33154 487 27 it -PRON- PRP 33154 487 28 , , , 33154 487 29 giving give VBG 33154 487 30 quite quite PDT 33154 487 31 a a DT 33154 487 32 volume volume NN 33154 487 33 of of IN 33154 487 34 sound sound NN 33154 487 35 . . . 33154 488 1 In in IN 33154 488 2 1872 1872 CD 33154 488 3 it -PRON- PRP 33154 488 4 occurred occur VBD 33154 488 5 to to IN 33154 488 6 me -PRON- PRP 33154 488 7 , , , 33154 488 8 that that IN 33154 488 9 the the DT 33154 488 10 action action NN 33154 488 11 of of IN 33154 488 12 an an DT 33154 488 13 organ organ NN 33154 488 14 - - HYPH 33154 488 15 pipe pipe NN 33154 488 16 might may MD 33154 488 17 be be VB 33154 488 18 quite quite RB 33154 488 19 like like IN 33154 488 20 that that DT 33154 488 21 of of IN 33154 488 22 a a DT 33154 488 23 vibrating vibrate VBG 33154 488 24 reed reed NN 33154 488 25 in in IN 33154 488 26 front front NN 33154 488 27 of of IN 33154 488 28 the the DT 33154 488 29 embouchure embouchure NN 33154 488 30 . . . 33154 489 1 As as IN 33154 489 2 the the DT 33154 489 3 air air NN 33154 489 4 is be VBZ 33154 489 5 driven drive VBN 33154 489 6 past past IN 33154 489 7 it -PRON- PRP 33154 489 8 from from IN 33154 489 9 the the DT 33154 489 10 bellows bellow NNS 33154 489 11 , , , 33154 489 12 the the DT 33154 489 13 form form NN 33154 489 14 of of IN 33154 489 15 the the DT 33154 489 16 escaping escape VBG 33154 489 17 air air NN 33154 489 18 will will MD 33154 489 19 evidently evidently RB 33154 489 20 be be VB 33154 489 21 like like IN 33154 489 22 a a DT 33154 489 23 thin thin JJ 33154 489 24 , , , 33154 489 25 elastic elastic JJ 33154 489 26 strip strip NN 33154 489 27 ; ; : 33154 489 28 and and CC 33154 489 29 , , , 33154 489 30 having have VBG 33154 489 31 considerable considerable JJ 33154 489 32 velocity velocity NN 33154 489 33 , , , 33154 489 34 it -PRON- PRP 33154 489 35 will will MD 33154 489 36 carry carry VB 33154 489 37 off off RP 33154 489 38 by by IN 33154 489 39 friction friction NN 33154 489 40 a a DT 33154 489 41 little little JJ 33154 489 42 of of IN 33154 489 43 the the DT 33154 489 44 air air NN 33154 489 45 in in IN 33154 489 46 the the DT 33154 489 47 tube tube NN 33154 489 48 : : : 33154 489 49 this this DT 33154 489 50 will will MD 33154 489 51 of of IN 33154 489 52 course course NN 33154 489 53 rarefy rarefy VB 33154 489 54 the the DT 33154 489 55 air air NN 33154 489 56 in in IN 33154 489 57 the the DT 33154 489 58 tube tube NN 33154 489 59 somewhat somewhat RB 33154 489 60 , , , 33154 489 61 and and CC 33154 489 62 a a DT 33154 489 63 wave wave NN 33154 489 64 of of IN 33154 489 65 condensation condensation NN 33154 489 66 will will MD 33154 489 67 travel travel VB 33154 489 68 down down IN 33154 489 69 the the DT 33154 489 70 tube tube NN 33154 489 71 . . . 33154 490 1 At at IN 33154 490 2 the the DT 33154 490 3 bottom bottom NN 33154 490 4 , , , 33154 490 5 being be VBG 33154 490 6 suddenly suddenly RB 33154 490 7 stopped stop VBN 33154 490 8 , , , 33154 490 9 its -PRON- PRP$ 33154 490 10 re re NN 33154 490 11 - - NN 33154 490 12 action action NN 33154 490 13 will will MD 33154 490 14 be be VB 33154 490 15 partly partly RB 33154 490 16 outwards outward NNS 33154 490 17 , , , 33154 490 18 and and CC 33154 490 19 so so RB 33154 490 20 will will MD 33154 490 21 drive drive VB 33154 490 22 the the DT 33154 490 23 strip strip NN 33154 490 24 of of IN 33154 490 25 air air NN 33154 490 26 away away RB 33154 490 27 from from IN 33154 490 28 the the DT 33154 490 29 tube tube NN 33154 490 30 . . . 33154 491 1 After after IN 33154 491 2 this this DT 33154 491 3 will will MD 33154 491 4 follow follow VB 33154 491 5 , , , 33154 491 6 for for IN 33154 491 7 a a DT 33154 491 8 like like JJ 33154 491 9 reason reason NN 33154 491 10 , , , 33154 491 11 the the DT 33154 491 12 other other JJ 33154 491 13 phase phase NN 33154 491 14 of of IN 33154 491 15 the the DT 33154 491 16 wave wave NN 33154 491 17 , , , 33154 491 18 the the DT 33154 491 19 rarefaction rarefaction NN 33154 491 20 , , , 33154 491 21 which which WDT 33154 491 22 will will MD 33154 491 23 swing swing VB 33154 491 24 the the DT 33154 491 25 strip strip NN 33154 491 26 of of IN 33154 491 27 air air NN 33154 491 28 towards towards IN 33154 491 29 the the DT 33154 491 30 tube tube NN 33154 491 31 . . . 33154 492 1 This this DT 33154 492 2 theory theory NN 33154 492 3 I -PRON- PRP 33154 492 4 verified verify VBD 33154 492 5 by by IN 33154 492 6 filling fill VBG 33154 492 7 the the DT 33154 492 8 bellows bellow NNS 33154 492 9 with with IN 33154 492 10 smoke smoke NN 33154 492 11 , , , 33154 492 12 and and CC 33154 492 13 watching watch VBG 33154 492 14 the the DT 33154 492 15 motion motion NN 33154 492 16 of of IN 33154 492 17 the the DT 33154 492 18 escaping escape VBG 33154 492 19 air air NN 33154 492 20 and and CC 33154 492 21 smoke smoke NN 33154 492 22 with with IN 33154 492 23 a a DT 33154 492 24 stroboscope stroboscope NN 33154 492 25 . . . 33154 493 1 This this DT 33154 493 2 view view NN 33154 493 3 is be VBZ 33154 493 4 now now RB 33154 493 5 advocated advocate VBN 33154 493 6 by by IN 33154 493 7 an an DT 33154 493 8 organ organ NN 33154 493 9 - - HYPH 33154 493 10 builder builder NN 33154 493 11 in in IN 33154 493 12 England England NNP 33154 493 13 , , , 33154 493 14 Herman Herman NNP 33154 493 15 Smith Smith NNP 33154 493 16 ; ; : 33154 493 17 but but CC 33154 493 18 whether whether IN 33154 493 19 he -PRON- PRP 33154 493 20 discovered discover VBD 33154 493 21 it -PRON- PRP 33154 493 22 before before IN 33154 493 23 or or CC 33154 493 24 after after IN 33154 493 25 me -PRON- PRP 33154 493 26 , , , 33154 493 27 I -PRON- PRP 33154 493 28 do do VBP 33154 493 29 not not RB 33154 493 30 know know VB 33154 493 31 . . . 33154 494 1 When when WRB 33154 494 2 a a DT 33154 494 3 membrane membrane NN 33154 494 4 vibrates vibrate VBZ 33154 494 5 , , , 33154 494 6 its -PRON- PRP$ 33154 494 7 motion motion NN 33154 494 8 is be VBZ 33154 494 9 generally generally RB 33154 494 10 perceptible perceptible JJ 33154 494 11 to to IN 33154 494 12 the the DT 33154 494 13 eye eye NN 33154 494 14 ; ; : 33154 494 15 and and CC 33154 494 16 it -PRON- PRP 33154 494 17 may may MD 33154 494 18 have have VB 33154 494 19 a a DT 33154 494 20 very very RB 33154 494 21 great great JJ 33154 494 22 amplitude amplitude NN 33154 494 23 of of IN 33154 494 24 motion motion NN 33154 494 25 , , , 33154 494 26 as as IN 33154 494 27 in in IN 33154 494 28 the the DT 33154 494 29 case case NN 33154 494 30 of of IN 33154 494 31 the the DT 33154 494 32 drum drum NN 33154 494 33 ; ; : 33154 494 34 and and CC 33154 494 35 various various JJ 33154 494 36 instruments instrument NNS 33154 494 37 have have VBP 33154 494 38 been be VBN 33154 494 39 devised devise VBN 33154 494 40 for for IN 33154 494 41 the the DT 33154 494 42 study study NN 33154 494 43 of of IN 33154 494 44 vibrations vibration NNS 33154 494 45 , , , 33154 494 46 using use VBG 33154 494 47 membranes membrane NNS 33154 494 48 like like IN 33154 494 49 rubber rubber NN 33154 494 50 , , , 33154 494 51 gold gold NN 33154 494 52 - - HYPH 33154 494 53 beater beater NN 33154 494 54 's 's POS 33154 494 55 skin skin NN 33154 494 56 , , , 33154 494 57 or or CC 33154 494 58 even even RB 33154 494 59 tissue tissue NN 33154 494 60 paper paper NN 33154 494 61 , , , 33154 494 62 to to TO 33154 494 63 receive receive VB 33154 494 64 the the DT 33154 494 65 vibrations vibration NNS 33154 494 66 . . . 33154 495 1 One one CD 33154 495 2 of of IN 33154 495 3 the the DT 33154 495 4 musical musical JJ 33154 495 5 instruments instrument NNS 33154 495 6 of of IN 33154 495 7 a a DT 33154 495 8 former former JJ 33154 495 9 generation generation NN 33154 495 10 of of IN 33154 495 11 boys boy NNS 33154 495 12 was be VBD 33154 495 13 the the DT 33154 495 14 comb comb NN 33154 495 15 . . . 33154 496 1 A a DT 33154 496 2 strip strip NN 33154 496 3 of of IN 33154 496 4 paper paper NN 33154 496 5 was be VBD 33154 496 6 placed place VBN 33154 496 7 in in IN 33154 496 8 front front NN 33154 496 9 of of IN 33154 496 10 it -PRON- PRP 33154 496 11 , , , 33154 496 12 and and CC 33154 496 13 placed place VBN 33154 496 14 at at IN 33154 496 15 the the DT 33154 496 16 mouth mouth NN 33154 496 17 , , , 33154 496 18 and and CC 33154 496 19 sung sing VBD 33154 496 20 through through RB 33154 496 21 , , , 33154 496 22 the the DT 33154 496 23 paper paper NN 33154 496 24 responding respond VBG 33154 496 25 to to IN 33154 496 26 the the DT 33154 496 27 pitch pitch NN 33154 496 28 with with IN 33154 496 29 a a DT 33154 496 30 loose loose JJ 33154 496 31 nasal nasal NN 33154 496 32 sound sound NN 33154 496 33 . . . 33154 497 1 Köenig Köenig NNP 33154 497 2 fixed fix VBD 33154 497 3 a a DT 33154 497 4 membrane membrane NN 33154 497 5 across across IN 33154 497 6 a a DT 33154 497 7 small small JJ 33154 497 8 capsule capsule NN 33154 497 9 , , , 33154 497 10 one one CD 33154 497 11 side side NN 33154 497 12 of of IN 33154 497 13 which which WDT 33154 497 14 was be VBD 33154 497 15 connected connect VBN 33154 497 16 by by IN 33154 497 17 a a DT 33154 497 18 tube tube NN 33154 497 19 to to IN 33154 497 20 any any DT 33154 497 21 source source NN 33154 497 22 of of IN 33154 497 23 sound sound NN 33154 497 24 , , , 33154 497 25 and and CC 33154 497 26 the the DT 33154 497 27 other other JJ 33154 497 28 side side NN 33154 497 29 to to IN 33154 497 30 a a DT 33154 497 31 gas gas NN 33154 497 32 - - HYPH 33154 497 33 pipe pipe NN 33154 497 34 and and CC 33154 497 35 a a DT 33154 497 36 small small JJ 33154 497 37 burner burner NN 33154 497 38 . . . 33154 498 1 A a DT 33154 498 2 sound sound NN 33154 498 3 made make VBN 33154 498 4 in in IN 33154 498 5 the the DT 33154 498 6 tube tube NN 33154 498 7 would would MD 33154 498 8 shake shake VB 33154 498 9 the the DT 33154 498 10 flame flame NN 33154 498 11 , , , 33154 498 12 and and CC 33154 498 13 a a DT 33154 498 14 mirror mirror NN 33154 498 15 moving move VBG 33154 498 16 in in IN 33154 498 17 front front NN 33154 498 18 of of IN 33154 498 19 the the DT 33154 498 20 flame flame NN 33154 498 21 would would MD 33154 498 22 show show VB 33154 498 23 a a DT 33154 498 24 zigzag zigzag NN 33154 498 25 outline outline NN 33154 498 26 corresponding correspond VBG 33154 498 27 to to IN 33154 498 28 the the DT 33154 498 29 sound sound JJ 33154 498 30 vibrations vibration NNS 33154 498 31 . . . 33154 499 1 In in IN 33154 499 2 like like JJ 33154 499 3 manner manner NN 33154 499 4 if if IN 33154 499 5 a a DT 33154 499 6 thin thin JJ 33154 499 7 rubber rubber NN 33154 499 8 be be VB 33154 499 9 stretched stretch VBN 33154 499 10 over over IN 33154 499 11 the the DT 33154 499 12 end end NN 33154 499 13 of of IN 33154 499 14 a a DT 33154 499 15 tube tube NN 33154 499 16 one one CD 33154 499 17 or or CC 33154 499 18 two two CD 33154 499 19 inches inch NNS 33154 499 20 in in IN 33154 499 21 diameter diameter NN 33154 499 22 and and CC 33154 499 23 four four CD 33154 499 24 or or CC 33154 499 25 five five CD 33154 499 26 inches inch NNS 33154 499 27 long long JJ 33154 499 28 , , , 33154 499 29 and and CC 33154 499 30 a a DT 33154 499 31 bit bit NN 33154 499 32 of of IN 33154 499 33 looking look VBG 33154 499 34 - - HYPH 33154 499 35 glass glass NN 33154 499 36 one one CD 33154 499 37 - - HYPH 33154 499 38 fourth fourth NN 33154 499 39 of of IN 33154 499 40 an an DT 33154 499 41 inch inch NN 33154 499 42 square square NN 33154 499 43 be be VB 33154 499 44 made make VBN 33154 499 45 fast fast JJ 33154 499 46 to to IN 33154 499 47 the the DT 33154 499 48 middle middle NN 33154 499 49 of of IN 33154 499 50 the the DT 33154 499 51 membrane membrane NN 33154 499 52 , , , 33154 499 53 the the DT 33154 499 54 motions motion NNS 33154 499 55 of of IN 33154 499 56 the the DT 33154 499 57 latter latter JJ 33154 499 58 can can MD 33154 499 59 be be VB 33154 499 60 seen see VBN 33154 499 61 by by IN 33154 499 62 letting let VBG 33154 499 63 a a DT 33154 499 64 beam beam NN 33154 499 65 of of IN 33154 499 66 sunlight sunlight NN 33154 499 67 fall fall VB 33154 499 68 upon upon IN 33154 499 69 the the DT 33154 499 70 mirror mirror NN 33154 499 71 so so IN 33154 499 72 as as IN 33154 499 73 to to TO 33154 499 74 be be VB 33154 499 75 reflected reflect VBN 33154 499 76 upon upon IN 33154 499 77 a a DT 33154 499 78 white white JJ 33154 499 79 wall wall NN 33154 499 80 or or CC 33154 499 81 screen screen NN 33154 499 82 a a DT 33154 499 83 few few JJ 33154 499 84 feet foot NNS 33154 499 85 away away RB 33154 499 86 . . . 33154 500 1 ( ( -LRB- 33154 500 2 Fig fig NN 33154 500 3 . . . 33154 501 1 8 8 LS 33154 501 2 . . . 33154 501 3 ) ) -RRB- 33154 502 1 [ [ -LRB- 33154 502 2 Illustration illustration NN 33154 502 3 : : : 33154 502 4 FIG FIG NNP 33154 502 5 . . . 33154 503 1 8 8 LS 33154 503 2 . . . 33154 503 3 ] ] -RRB- 33154 504 1 When when WRB 33154 504 2 a a DT 33154 504 3 sound sound NN 33154 504 4 is be VBZ 33154 504 5 made make VBN 33154 504 6 in in IN 33154 504 7 this this DT 33154 504 8 tube tube NN 33154 504 9 , , , 33154 504 10 the the DT 33154 504 11 spot spot NN 33154 504 12 of of IN 33154 504 13 light light NN 33154 504 14 will will MD 33154 504 15 at at IN 33154 504 16 once once RB 33154 504 17 assume assume VB 33154 504 18 some some DT 33154 504 19 peculiar peculiar JJ 33154 504 20 form,--either form,--either IN 33154 504 21 a a DT 33154 504 22 straight straight JJ 33154 504 23 line line NN 33154 504 24 with with IN 33154 504 25 some some DT 33154 504 26 knots knot NNS 33154 504 27 of of IN 33154 504 28 light light NN 33154 504 29 in in IN 33154 504 30 it -PRON- PRP 33154 504 31 , , , 33154 504 32 or or CC 33154 504 33 some some DT 33154 504 34 curve curve NN 33154 504 35 simple simple NN 33154 504 36 or or CC 33154 504 37 compound compound NN 33154 504 38 , , , 33154 504 39 and and CC 33154 504 40 such such JJ 33154 504 41 as as IN 33154 504 42 are be VBP 33154 504 43 known know VBN 33154 504 44 as as IN 33154 504 45 Lissajous lissajous JJ 33154 504 46 curves curve NNS 33154 504 47 . . . 33154 505 1 If if IN 33154 505 2 , , , 33154 505 3 while while IN 33154 505 4 some some DT 33154 505 5 of of IN 33154 505 6 these these DT 33154 505 7 forms form NNS 33154 505 8 are be VBP 33154 505 9 upon upon IN 33154 505 10 the the DT 33154 505 11 screen screen NN 33154 505 12 , , , 33154 505 13 the the DT 33154 505 14 instrument instrument NN 33154 505 15 be be VB 33154 505 16 moved move VBN 33154 505 17 sideways sideways RB 33154 505 18 , , , 33154 505 19 the the DT 33154 505 20 forms form NNS 33154 505 21 will will MD 33154 505 22 change change VB 33154 505 23 to to IN 33154 505 24 undulating undulate VBG 33154 505 25 lines line NNS 33154 505 26 with with IN 33154 505 27 or or CC 33154 505 28 without without IN 33154 505 29 loops loop NNS 33154 505 30 , , , 33154 505 31 varying vary VBG 33154 505 32 with with IN 33154 505 33 the the DT 33154 505 34 pitch pitch NN 33154 505 35 and and CC 33154 505 36 intensity intensity NN 33154 505 37 , , , 33154 505 38 but but CC 33154 505 39 being be VBG 33154 505 40 alike alike RB 33154 505 41 for for IN 33154 505 42 the the DT 33154 505 43 same same JJ 33154 505 44 pitch pitch NN 33154 505 45 and and CC 33154 505 46 intensity intensity NN 33154 505 47 . . . 33154 506 1 ( ( -LRB- 33154 506 2 Fig fig NN 33154 506 3 . . . 33154 507 1 9 9 LS 33154 507 2 ) ) -RRB- 33154 507 3 This this DT 33154 507 4 instrument instrument NN 33154 507 5 I -PRON- PRP 33154 507 6 called call VBD 33154 507 7 the the DT 33154 507 8 opeidoscope opeidoscope NN 33154 507 9 . . . 33154 508 1 [ [ -LRB- 33154 508 2 Illustration illustration NN 33154 508 3 : : : 33154 508 4 FIG FIG NNP 33154 508 5 . . . 33154 509 1 9 9 CD 33154 509 2 . . . 33154 509 3 ] ] -RRB- 33154 510 1 The the DT 33154 510 2 vibration vibration NN 33154 510 3 of of IN 33154 510 4 a a DT 33154 510 5 membrane membrane NN 33154 510 6 and and CC 33154 510 7 that that DT 33154 510 8 of of IN 33154 510 9 a a DT 33154 510 10 solid solid JJ 33154 510 11 differ differ VBP 33154 510 12 chiefly chiefly RB 33154 510 13 in in IN 33154 510 14 the the DT 33154 510 15 amplitude amplitude NN 33154 510 16 of of IN 33154 510 17 such such JJ 33154 510 18 vibration vibration NN 33154 510 19 . . . 33154 511 1 The the DT 33154 511 2 scratch scratch NN 33154 511 3 of of IN 33154 511 4 a a DT 33154 511 5 pin pin NN 33154 511 6 at at IN 33154 511 7 one one CD 33154 511 8 end end NN 33154 511 9 of of IN 33154 511 10 a a DT 33154 511 11 long long JJ 33154 511 12 log log NN 33154 511 13 can can MD 33154 511 14 be be VB 33154 511 15 heard hear VBN 33154 511 16 by by IN 33154 511 17 an an DT 33154 511 18 ear ear NN 33154 511 19 applied apply VBN 33154 511 20 to to IN 33154 511 21 the the DT 33154 511 22 other other JJ 33154 511 23 end end NN 33154 511 24 of of IN 33154 511 25 the the DT 33154 511 26 log log NN 33154 511 27 ; ; : 33154 511 28 but but CC 33154 511 29 every every DT 33154 511 30 molecule molecule NN 33154 511 31 in in IN 33154 511 32 the the DT 33154 511 33 log log NN 33154 511 34 must must MD 33154 511 35 move move VB 33154 511 36 slightly slightly RB 33154 511 37 ; ; : 33154 511 38 and and CC 33154 511 39 there there EX 33154 511 40 are be VBP 33154 511 41 all all DT 33154 511 42 degrees degree NNS 33154 511 43 of of IN 33154 511 44 movement movement NN 33154 511 45 between between IN 33154 511 46 that that DT 33154 511 47 visible visible JJ 33154 511 48 to to IN 33154 511 49 the the DT 33154 511 50 eye eye NN 33154 511 51 , , , 33154 511 52 which which WDT 33154 511 53 we -PRON- PRP 33154 511 54 call call VBP 33154 511 55 mass mass NN 33154 511 56 motion motion NN 33154 511 57 , , , 33154 511 58 and and CC 33154 511 59 that that DT 33154 511 60 called call VBD 33154 511 61 molecular molecular NNP 33154 511 62 simply simply RB 33154 511 63 because because IN 33154 511 64 we -PRON- PRP 33154 511 65 can can MD 33154 511 66 not not RB 33154 511 67 measure measure VB 33154 511 68 the the DT 33154 511 69 amplitude amplitude NN 33154 511 70 of of IN 33154 511 71 the the DT 33154 511 72 motion motion NN 33154 511 73 . . . 33154 512 1 We -PRON- PRP 33154 512 2 may may MD 33154 512 3 , , , 33154 512 4 then then RB 33154 512 5 , , , 33154 512 6 roughly roughly RB 33154 512 7 divide divide VBP 33154 512 8 all all DT 33154 512 9 bodies body NNS 33154 512 10 into into IN 33154 512 11 two two CD 33154 512 12 classes class NNS 33154 512 13 , , , 33154 512 14 as as IN 33154 512 15 to to IN 33154 512 16 their -PRON- PRP$ 33154 512 17 relations relation NNS 33154 512 18 to to IN 33154 512 19 sound,--such sound,--such NNP 33154 512 20 as as IN 33154 512 21 re re NN 33154 512 22 - - NN 33154 512 23 enforce enforce VB 33154 512 24 it -PRON- PRP 33154 512 25 , , , 33154 512 26 and and CC 33154 512 27 such such JJ 33154 512 28 as as IN 33154 512 29 distribute distribute VB 33154 512 30 it -PRON- PRP 33154 512 31 : : : 33154 512 32 the the DT 33154 512 33 first first JJ 33154 512 34 depending depending NN 33154 512 35 upon upon IN 33154 512 36 the the DT 33154 512 37 form form NN 33154 512 38 of of IN 33154 512 39 the the DT 33154 512 40 body body NN 33154 512 41 , , , 33154 512 42 as as IN 33154 512 43 related relate VBN 33154 512 44 to to IN 33154 512 45 a a DT 33154 512 46 particular particular JJ 33154 512 47 sound sound NN 33154 512 48 ; ; : 33154 512 49 the the DT 33154 512 50 second second JJ 33154 512 51 independent independent NN 33154 512 52 of of IN 33154 512 53 form form NN 33154 512 54 , , , 33154 512 55 and and CC 33154 512 56 responding respond VBG 33154 512 57 to to IN 33154 512 58 all all DT 33154 512 59 orders order NNS 33154 512 60 of of IN 33154 512 61 vibrations vibration NNS 33154 512 62 . . . 33154 513 1 Air air NN 33154 513 2 , , , 33154 513 3 wood wood NN 33154 513 4 , , , 33154 513 5 and and CC 33154 513 6 metals metal NNS 33154 513 7 belong belong VBP 33154 513 8 in in IN 33154 513 9 this this DT 33154 513 10 latter latter JJ 33154 513 11 class class NN 33154 513 12 . . . 33154 514 1 The the DT 33154 514 2 common common JJ 33154 514 3 toy toy NN 33154 514 4 - - HYPH 33154 514 5 string stre VBG 33154 514 6 telegraph telegraph NN 33154 514 7 , , , 33154 514 8 or or CC 33154 514 9 _ _ NNP 33154 514 10 lovers lover NNS 33154 514 11 ' ' POS 33154 514 12 telegraph telegraph NNP 33154 514 13 _ _ NNP 33154 514 14 , , , 33154 514 15 is be VBZ 33154 514 16 an an DT 33154 514 17 example example NN 33154 514 18 of of IN 33154 514 19 this this DT 33154 514 20 class class NN 33154 514 21 . . . 33154 515 1 Two two CD 33154 515 2 tin tin NN 33154 515 3 boxes box NNS 33154 515 4 are be VBP 33154 515 5 connected connect VBN 33154 515 6 by by IN 33154 515 7 a a DT 33154 515 8 string string NN 33154 515 9 passing pass VBG 33154 515 10 through through IN 33154 515 11 the the DT 33154 515 12 middle middle NN 33154 515 13 of of IN 33154 515 14 the the DT 33154 515 15 bottom bottom NN 33154 515 16 of of IN 33154 515 17 each each DT 33154 515 18 . . . 33154 516 1 When when WRB 33154 516 2 the the DT 33154 516 3 string string NN 33154 516 4 is be VBZ 33154 516 5 stretched stretch VBN 33154 516 6 , , , 33154 516 7 and and CC 33154 516 8 a a DT 33154 516 9 person person NN 33154 516 10 speaks speak VBZ 33154 516 11 in in IN 33154 516 12 one one CD 33154 516 13 box box NN 33154 516 14 , , , 33154 516 15 what what WP 33154 516 16 is be VBZ 33154 516 17 said say VBN 33154 516 18 can can MD 33154 516 19 be be VB 33154 516 20 heard hear VBN 33154 516 21 by by IN 33154 516 22 an an DT 33154 516 23 ear ear NN 33154 516 24 applied apply VBN 33154 516 25 at at IN 33154 516 26 the the DT 33154 516 27 other other JJ 33154 516 28 . . . 33154 517 1 If if IN 33154 517 2 the the DT 33154 517 3 speaking speaking NN 33154 517 4 - - HYPH 33154 517 5 tubes tube NNS 33154 517 6 be be VB 33154 517 7 made make VBN 33154 517 8 about about IN 33154 517 9 four four CD 33154 517 10 inches inch NNS 33154 517 11 in in IN 33154 517 12 diameter diameter NN 33154 517 13 , , , 33154 517 14 and and CC 33154 517 15 about about RB 33154 517 16 four four CD 33154 517 17 inches inch NNS 33154 517 18 deep deep JJ 33154 517 19 , , , 33154 517 20 they -PRON- PRP 33154 517 21 are be VBP 33154 517 22 capable capable JJ 33154 517 23 of of IN 33154 517 24 doing do VBG 33154 517 25 much much RB 33154 517 26 more more JJR 33154 517 27 service service NN 33154 517 28 than than IN 33154 517 29 is be VBZ 33154 517 30 generally generally RB 33154 517 31 supposed suppose VBN 33154 517 32 to to TO 33154 517 33 be be VB 33154 517 34 possible possible JJ 33154 517 35 . . . 33154 518 1 I -PRON- PRP 33154 518 2 know know VBP 33154 518 3 of of IN 33154 518 4 two two CD 33154 518 5 lines line NNS 33154 518 6 , , , 33154 518 7 one one CD 33154 518 8 of of IN 33154 518 9 five five CD 33154 518 10 hundred hundred CD 33154 518 11 feet foot NNS 33154 518 12 and and CC 33154 518 13 the the DT 33154 518 14 other other JJ 33154 518 15 of of IN 33154 518 16 a a DT 33154 518 17 thousand thousand CD 33154 518 18 feet foot NNS 33154 518 19 in in IN 33154 518 20 length length NN 33154 518 21 , , , 33154 518 22 over over IN 33154 518 23 which which WDT 33154 518 24 one one PRP 33154 518 25 can can MD 33154 518 26 talk talk VB 33154 518 27 , , , 33154 518 28 and and CC 33154 518 29 be be VB 33154 518 30 heard hear VBN 33154 518 31 with with IN 33154 518 32 distinctness distinctness NN 33154 518 33 . . . 33154 519 1 In in IN 33154 519 2 the the DT 33154 519 3 line line NN 33154 519 4 of of IN 33154 519 5 a a DT 33154 519 6 thousand thousand CD 33154 519 7 feet foot NNS 33154 519 8 , , , 33154 519 9 the the DT 33154 519 10 end end NN 33154 519 11 of of IN 33154 519 12 the the DT 33154 519 13 tube tube NN 33154 519 14 is be VBZ 33154 519 15 made make VBN 33154 519 16 of of IN 33154 519 17 sheepskin sheepskin NN 33154 519 18 tightly tightly RB 33154 519 19 stretched stretch VBN 33154 519 20 , , , 33154 519 21 and and CC 33154 519 22 the the DT 33154 519 23 line line NN 33154 519 24 is be VBZ 33154 519 25 made make VBN 33154 519 26 of of IN 33154 519 27 No no UH 33154 519 28 . . . 33154 520 1 8 8 CD 33154 520 2 cotton cotton NN 33154 520 3 thread thread NN 33154 520 4 . . . 33154 521 1 The the DT 33154 521 2 greater great JJR 33154 521 3 the the DT 33154 521 4 tension tension NN 33154 521 5 , , , 33154 521 6 the the DT 33154 521 7 better well JJR 33154 521 8 is be VBZ 33154 521 9 the the DT 33154 521 10 sound sound NN 33154 521 11 transmitted transmit VBN 33154 521 12 . . . 33154 522 1 The the DT 33154 522 2 thread thread NN 33154 522 3 is be VBZ 33154 522 4 supported support VBN 33154 522 5 at at IN 33154 522 6 intervals interval NNS 33154 522 7 by by IN 33154 522 8 running run VBG 33154 522 9 through through IN 33154 522 10 a a DT 33154 522 11 loop loop NN 33154 522 12 on on IN 33154 522 13 the the DT 33154 522 14 ends end NNS 33154 522 15 of of IN 33154 522 16 cords cord NNS 33154 522 17 not not RB 33154 522 18 less less JJR 33154 522 19 than than IN 33154 522 20 three three CD 33154 522 21 feet foot NNS 33154 522 22 long long JJ 33154 522 23 , , , 33154 522 24 attached attach VBN 33154 522 25 to to IN 33154 522 26 supports support NNS 33154 522 27 . . . 33154 523 1 The the DT 33154 523 2 thread thread NN 33154 523 3 pierces pierce VBZ 33154 523 4 the the DT 33154 523 5 membrane membrane NN 33154 523 6 , , , 33154 523 7 and and CC 33154 523 8 is be VBZ 33154 523 9 attached attach VBN 33154 523 10 to to IN 33154 523 11 a a DT 33154 523 12 small small JJ 33154 523 13 button button NN 33154 523 14 which which WDT 33154 523 15 is be VBZ 33154 523 16 in in IN 33154 523 17 contact contact NN 33154 523 18 with with IN 33154 523 19 the the DT 33154 523 20 membrane membrane NN 33154 523 21 . . . 33154 524 1 Wind wind NN 33154 524 2 and and CC 33154 524 3 rain rain NN 33154 524 4 affect affect VB 33154 524 5 this this DT 33154 524 6 line line NN 33154 524 7 disadvantageously disadvantageously RB 33154 524 8 . . . 33154 525 1 The the DT 33154 525 2 other other JJ 33154 525 3 line line NN 33154 525 4 of of IN 33154 525 5 five five CD 33154 525 6 hundred hundred CD 33154 525 7 feet foot NNS 33154 525 8 , , , 33154 525 9 between between IN 33154 525 10 a a DT 33154 525 11 passenger passenger NN 33154 525 12 and and CC 33154 525 13 a a DT 33154 525 14 freight freight NN 33154 525 15 depot depot NN 33154 525 16 , , , 33154 525 17 has have VBZ 33154 525 18 the the DT 33154 525 19 tube tube NN 33154 525 20 end end NN 33154 525 21 covered cover VBN 33154 525 22 with with IN 33154 525 23 stretched stretch VBN 33154 525 24 calfskin calfskin NNP 33154 525 25 . . . 33154 526 1 Instead instead RB 33154 526 2 of of IN 33154 526 3 thread thread NN 33154 526 4 , , , 33154 526 5 a a DT 33154 526 6 copper copper NN 33154 526 7 - - HYPH 33154 526 8 relay relay NN 33154 526 9 wire wire NN 33154 526 10 is be VBZ 33154 526 11 employed employ VBN 33154 526 12 ( ( -LRB- 33154 526 13 any any DT 33154 526 14 small small JJ 33154 526 15 uninsulated uninsulated JJ 33154 526 16 wire wire NN 33154 526 17 will will MD 33154 526 18 do do VB 33154 526 19 as as RB 33154 526 20 well well RB 33154 526 21 ) ) -RRB- 33154 526 22 . . . 33154 527 1 This this DT 33154 527 2 permits permit VBZ 33154 527 3 a a DT 33154 527 4 good good JJ 33154 527 5 tension tension NN 33154 527 6 , , , 33154 527 7 and and CC 33154 527 8 is be VBZ 33154 527 9 unaffected unaffected JJ 33154 527 10 by by IN 33154 527 11 the the DT 33154 527 12 weather weather NN 33154 527 13 . . . 33154 528 1 One one CD 33154 528 2 may may MD 33154 528 3 stand stand VB 33154 528 4 in in IN 33154 528 5 front front NN 33154 528 6 of of IN 33154 528 7 it -PRON- PRP 33154 528 8 about about IN 33154 528 9 three three CD 33154 528 10 feet foot NNS 33154 528 11 , , , 33154 528 12 and and CC 33154 528 13 converse converse VB 33154 528 14 with with IN 33154 528 15 ease ease NN 33154 528 16 , , , 33154 528 17 and and CC 33154 528 18 in in IN 33154 528 19 an an DT 33154 528 20 ordinary ordinary JJ 33154 528 21 tone tone NN 33154 528 22 . . . 33154 529 1 The the DT 33154 529 2 wire wire NN 33154 529 3 is be VBZ 33154 529 4 supported support VBN 33154 529 5 in in IN 33154 529 6 loops loop NNS 33154 529 7 of of IN 33154 529 8 string string NN 33154 529 9 , , , 33154 529 10 as as IN 33154 529 11 in in IN 33154 529 12 the the DT 33154 529 13 other other JJ 33154 529 14 . . . 33154 530 1 Musicians musician NNS 33154 530 2 have have VBP 33154 530 3 in in IN 33154 530 4 all all DT 33154 530 5 times time NNS 33154 530 6 employed employ VBN 33154 530 7 various various JJ 33154 530 8 instruments instrument NNS 33154 530 9 for for IN 33154 530 10 the the DT 33154 530 11 production production NN 33154 530 12 of of IN 33154 530 13 musical musical JJ 33154 530 14 effects effect NNS 33154 530 15 . . . 33154 531 1 Whistles whistle NNS 33154 531 2 made make VBN 33154 531 3 of of IN 33154 531 4 bone bone NN 33154 531 5 were be VBD 33154 531 6 used use VBN 33154 531 7 by by IN 33154 531 8 pre pre JJ 33154 531 9 - - JJ 33154 531 10 historic historic JJ 33154 531 11 men man NNS 33154 531 12 , , , 33154 531 13 some some DT 33154 531 14 of of IN 33154 531 15 them -PRON- PRP 33154 531 16 having have VBG 33154 531 17 finger finger NN 33154 531 18 - - HYPH 33154 531 19 holes hole NNS 33154 531 20 so so IN 33154 531 21 that that IN 33154 531 22 different different JJ 33154 531 23 tones tone NNS 33154 531 24 could could MD 33154 531 25 be be VB 33154 531 26 produced produce VBN 33154 531 27 . . . 33154 532 1 A a DT 33154 532 2 stag stag JJ 33154 532 3 - - HYPH 33154 532 4 horn horn NN 33154 532 5 that that WDT 33154 532 6 was be VBD 33154 532 7 blown blow VBN 33154 532 8 like like IN 33154 532 9 a a DT 33154 532 10 flageolet flageolet NN 33154 532 11 , , , 33154 532 12 and and CC 33154 532 13 having have VBG 33154 532 14 three three CD 33154 532 15 finger finger NN 33154 532 16 - - HYPH 33154 532 17 holes hole NNS 33154 532 18 , , , 33154 532 19 has have VBZ 33154 532 20 also also RB 33154 532 21 been be VBN 33154 532 22 found find VBN 33154 532 23 ; ; : 33154 532 24 while while IN 33154 532 25 on on IN 33154 532 26 the the DT 33154 532 27 old old JJ 33154 532 28 monuments monument NNS 33154 532 29 of of IN 33154 532 30 Egypt Egypt NNP 33154 532 31 are be VBP 33154 532 32 pictured picture VBN 33154 532 33 harps harp NNS 33154 532 34 , , , 33154 532 35 pipes pipe NNS 33154 532 36 with with IN 33154 532 37 seven seven CD 33154 532 38 finger finger NN 33154 532 39 - - HYPH 33154 532 40 holes hole NNS 33154 532 41 , , , 33154 532 42 a a DT 33154 532 43 kind kind NN 33154 532 44 of of IN 33154 532 45 flute flute NN 33154 532 46 , , , 33154 532 47 drums drum NNS 33154 532 48 , , , 33154 532 49 tambourines tambourine NNS 33154 532 50 , , , 33154 532 51 cymbals cymbal NNS 33154 532 52 , , , 33154 532 53 and and CC 33154 532 54 trumpets trumpet NNS 33154 532 55 . . . 33154 533 1 In in IN 33154 533 2 later later JJ 33154 533 3 times time NNS 33154 533 4 these these DT 33154 533 5 primeval primeval NN 33154 533 6 forms form NNS 33154 533 7 have have VBP 33154 533 8 been be VBN 33154 533 9 modified modify VBN 33154 533 10 into into IN 33154 533 11 the the DT 33154 533 12 various various JJ 33154 533 13 instruments instrument NNS 33154 533 14 in in IN 33154 533 15 use use NN 33154 533 16 in in IN 33154 533 17 the the DT 33154 533 18 modern modern JJ 33154 533 19 orchestra orchestra NN 33154 533 20 . . . 33154 534 1 It -PRON- PRP 33154 534 2 seems seem VBZ 33154 534 3 as as IN 33154 534 4 if if IN 33154 534 5 no no DT 33154 534 6 musician musician NN 33154 534 7 had have VBD 33154 534 8 ever ever RB 33154 534 9 been be VBN 33154 534 10 interested interested JJ 33154 534 11 in in IN 33154 534 12 the the DT 33154 534 13 question question NN 33154 534 14 as as IN 33154 534 15 to to IN 33154 534 16 why why WRB 33154 534 17 one one CD 33154 534 18 instrument instrument NN 33154 534 19 should should MD 33154 534 20 give give VB 33154 534 21 out out RP 33154 534 22 a a DT 33154 534 23 sound sound NN 33154 534 24 so so RB 33154 534 25 different different JJ 33154 534 26 from from IN 33154 534 27 another another DT 33154 534 28 one one NN 33154 534 29 , , , 33154 534 30 even even RB 33154 534 31 though though IN 33154 534 32 it -PRON- PRP 33154 534 33 was be VBD 33154 534 34 sounding sound VBG 33154 534 35 upon upon IN 33154 534 36 the the DT 33154 534 37 same same JJ 33154 534 38 pitch pitch NN 33154 534 39 . . . 33154 535 1 No no DT 33154 535 2 one one NN 33154 535 3 can can MD 33154 535 4 ever ever RB 33154 535 5 mistake mistake VB 33154 535 6 the the DT 33154 535 7 sound sound NN 33154 535 8 of of IN 33154 535 9 a a DT 33154 535 10 violin violin NN 33154 535 11 , , , 33154 535 12 or or CC 33154 535 13 a a DT 33154 535 14 horn horn NN 33154 535 15 , , , 33154 535 16 or or CC 33154 535 17 a a DT 33154 535 18 piano piano NN 33154 535 19 , , , 33154 535 20 for for IN 33154 535 21 any any DT 33154 535 22 other other JJ 33154 535 23 instrument instrument NN 33154 535 24 ; ; : 33154 535 25 and and CC 33154 535 26 no no DT 33154 535 27 two two CD 33154 535 28 persons person NNS 33154 535 29 have have VBP 33154 535 30 voices voice NNS 33154 535 31 alike alike RB 33154 535 32 . . . 33154 536 1 This this DT 33154 536 2 difference difference NN 33154 536 3 in in IN 33154 536 4 tone tone NN 33154 536 5 , , , 33154 536 6 which which WDT 33154 536 7 enables enable VBZ 33154 536 8 us -PRON- PRP 33154 536 9 to to TO 33154 536 10 identify identify VB 33154 536 11 an an DT 33154 536 12 instrument instrument NN 33154 536 13 by by IN 33154 536 14 its -PRON- PRP$ 33154 536 15 sound sound NN 33154 536 16 or or CC 33154 536 17 a a DT 33154 536 18 friend friend NN 33154 536 19 by by IN 33154 536 20 his -PRON- PRP$ 33154 536 21 voice voice NN 33154 536 22 , , , 33154 536 23 is be VBZ 33154 536 24 called call VBN 33154 536 25 quality quality NN 33154 536 26 of of IN 33154 536 27 tone tone NN 33154 536 28 , , , 33154 536 29 or or CC 33154 536 30 _ _ NNP 33154 536 31 timbre timbre NNP 33154 536 32 _ _ NNP 33154 536 33 . . . 33154 537 1 About about RB 33154 537 2 twenty twenty CD 33154 537 3 years year NNS 33154 537 4 ago ago RB 33154 537 5 , , , 33154 537 6 that that DT 33154 537 7 great great JJ 33154 537 8 German german JJ 33154 537 9 physicist physicist NN 33154 537 10 Helmholtz Helmholtz NNP 33154 537 11 undertook undertake VBD 33154 537 12 the the DT 33154 537 13 investigation investigation NN 33154 537 14 of of IN 33154 537 15 this this DT 33154 537 16 subject subject NN 33154 537 17 , , , 33154 537 18 and and CC 33154 537 19 succeeded succeed VBD 33154 537 20 in in IN 33154 537 21 unravelling unravel VBG 33154 537 22 the the DT 33154 537 23 whole whole JJ 33154 537 24 mystery mystery NN 33154 537 25 of of IN 33154 537 26 the the DT 33154 537 27 qualities quality NNS 33154 537 28 of of IN 33154 537 29 sound sound NN 33154 537 30 . . . 33154 538 1 He -PRON- PRP 33154 538 2 discovered discover VBD 33154 538 3 first first RB 33154 538 4 , , , 33154 538 5 that that IN 33154 538 6 a a DT 33154 538 7 musical musical JJ 33154 538 8 sound sound NN 33154 538 9 is be VBZ 33154 538 10 very very RB 33154 538 11 rarely rarely RB 33154 538 12 a a DT 33154 538 13 simple simple JJ 33154 538 14 tone tone NN 33154 538 15 , , , 33154 538 16 but but CC 33154 538 17 is be VBZ 33154 538 18 made make VBN 33154 538 19 up up RP 33154 538 20 of of IN 33154 538 21 several several JJ 33154 538 22 tones tone NNS 33154 538 23 , , , 33154 538 24 sometimes sometimes RB 33154 538 25 as as RB 33154 538 26 many many JJ 33154 538 27 as as IN 33154 538 28 ten ten CD 33154 538 29 or or CC 33154 538 30 fifteen fifteen CD 33154 538 31 , , , 33154 538 32 having have VBG 33154 538 33 different different JJ 33154 538 34 degrees degree NNS 33154 538 35 of of IN 33154 538 36 intensity intensity NN 33154 538 37 and and CC 33154 538 38 pitch pitch NN 33154 538 39 . . . 33154 539 1 The the DT 33154 539 2 lowest low JJS 33154 539 3 sound sound NN 33154 539 4 , , , 33154 539 5 which which WDT 33154 539 6 is be VBZ 33154 539 7 also also RB 33154 539 8 the the DT 33154 539 9 strongest strong JJS 33154 539 10 , , , 33154 539 11 is be VBZ 33154 539 12 called call VBN 33154 539 13 the the DT 33154 539 14 _ _ NNP 33154 539 15 fundamental fundamental JJ 33154 539 16 _ _ NNP 33154 539 17 ; ; : 33154 539 18 and and CC 33154 539 19 it -PRON- PRP 33154 539 20 is be VBZ 33154 539 21 this this DT 33154 539 22 tone tone NN 33154 539 23 we -PRON- PRP 33154 539 24 mean mean VBP 33154 539 25 when when WRB 33154 539 26 we -PRON- PRP 33154 539 27 speak speak VBP 33154 539 28 of of IN 33154 539 29 the the DT 33154 539 30 pitch pitch NN 33154 539 31 of of IN 33154 539 32 a a DT 33154 539 33 sound sound NN 33154 539 34 , , , 33154 539 35 as as IN 33154 539 36 the the DT 33154 539 37 pitch pitch NN 33154 539 38 of of IN 33154 539 39 middle middle JJ 33154 539 40 C C NNP 33154 539 41 upon upon IN 33154 539 42 a a DT 33154 539 43 piano piano NN 33154 539 44 , , , 33154 539 45 or or CC 33154 539 46 the the DT 33154 539 47 pitch pitch NN 33154 539 48 of of IN 33154 539 49 the the DT 33154 539 50 _ _ NNP 33154 539 51 A A NNP 33154 539 52 _ _ NNP 33154 539 53 string string NN 33154 539 54 on on IN 33154 539 55 a a DT 33154 539 56 violin violin NN 33154 539 57 . . . 33154 540 1 The the DT 33154 540 2 higher high JJR 33154 540 3 sounds sound VBZ 33154 540 4 that that WDT 33154 540 5 accompany accompany VBP 33154 540 6 the the DT 33154 540 7 fundamental fundamental JJ 33154 540 8 are be VBP 33154 540 9 called call VBN 33154 540 10 sometimes sometimes RB 33154 540 11 harmonics harmonic NNS 33154 540 12 , , , 33154 540 13 sometimes sometimes RB 33154 540 14 upper upper JJ 33154 540 15 partial partial JJ 33154 540 16 tones tone NNS 33154 540 17 , , , 33154 540 18 but but CC 33154 540 19 generally generally RB 33154 540 20 _ _ NNP 33154 540 21 overtones overtone NNS 33154 540 22 _ _ NNP 33154 540 23 . . . 33154 541 1 The the DT 33154 541 2 character character NN 33154 541 3 or or CC 33154 541 4 quality quality NN 33154 541 5 of of IN 33154 541 6 a a DT 33154 541 7 sound sound NN 33154 541 8 depends depend VBZ 33154 541 9 altogether altogether RB 33154 541 10 upon upon IN 33154 541 11 the the DT 33154 541 12 number number NN 33154 541 13 and and CC 33154 541 14 intensity intensity NN 33154 541 15 of of IN 33154 541 16 these these DT 33154 541 17 overtones overtone NNS 33154 541 18 associated associate VBN 33154 541 19 with with IN 33154 541 20 the the DT 33154 541 21 fundamental fundamental NN 33154 541 22 . . . 33154 542 1 If if IN 33154 542 2 a a DT 33154 542 3 sound sound NN 33154 542 4 can can MD 33154 542 5 be be VB 33154 542 6 made make VBN 33154 542 7 upon upon IN 33154 542 8 a a DT 33154 542 9 pipe pipe NN 33154 542 10 and and CC 33154 542 11 a a DT 33154 542 12 violin violin NN 33154 542 13 , , , 33154 542 14 that that WDT 33154 542 15 consists consist VBZ 33154 542 16 wholly wholly RB 33154 542 17 of of IN 33154 542 18 the the DT 33154 542 19 fundamental fundamental NN 33154 542 20 with with IN 33154 542 21 no no DT 33154 542 22 overtones overtone NNS 33154 542 23 , , , 33154 542 24 the the DT 33154 542 25 two two CD 33154 542 26 instruments instrument NNS 33154 542 27 sound sound VBP 33154 542 28 absolutely absolutely RB 33154 542 29 alike alike RB 33154 542 30 . . . 33154 543 1 It -PRON- PRP 33154 543 2 is be VBZ 33154 543 3 exceedingly exceedingly RB 33154 543 4 difficult difficult JJ 33154 543 5 to to TO 33154 543 6 do do VB 33154 543 7 this this DT 33154 543 8 ; ; : 33154 543 9 and and CC 33154 543 10 such such JJ 33154 543 11 sound sound NN 33154 543 12 when when WRB 33154 543 13 produced produce VBN 33154 543 14 is be VBZ 33154 543 15 smooth smooth JJ 33154 543 16 , , , 33154 543 17 but but CC 33154 543 18 without without IN 33154 543 19 character character NN 33154 543 20 , , , 33154 543 21 and and CC 33154 543 22 unpleasing unpleasing NN 33154 543 23 . . . 33154 544 1 Second second RB 33154 544 2 , , , 33154 544 3 Helmholtz Helmholtz NNP 33154 544 4 discovered discover VBD 33154 544 5 that that IN 33154 544 6 the the DT 33154 544 7 overtones overtone NNS 33154 544 8 always always RB 33154 544 9 stand stand VBP 33154 544 10 in in IN 33154 544 11 the the DT 33154 544 12 simplest simple JJS 33154 544 13 mathematical mathematical JJ 33154 544 14 relation relation NN 33154 544 15 to to IN 33154 544 16 the the DT 33154 544 17 fundamental fundamental JJ 33154 544 18 tone,--in tone,--in NNP 33154 544 19 fact fact NN 33154 544 20 , , , 33154 544 21 are be VBP 33154 544 22 simple simple JJ 33154 544 23 multiples multiple NNS 33154 544 24 of of IN 33154 544 25 that that DT 33154 544 26 tone tone NN 33154 544 27 , , , 33154 544 28 being be VBG 33154 544 29 two two CD 33154 544 30 , , , 33154 544 31 three three CD 33154 544 32 , , , 33154 544 33 four four CD 33154 544 34 , , , 33154 544 35 and and CC 33154 544 36 so so RB 33154 544 37 on on RB 33154 544 38 , , , 33154 544 39 times time NNS 33154 544 40 the the DT 33154 544 41 number number NN 33154 544 42 of of IN 33154 544 43 vibrations vibration NNS 33154 544 44 of of IN 33154 544 45 it -PRON- PRP 33154 544 46 . . . 33154 545 1 This this DT 33154 545 2 will will MD 33154 545 3 be be VB 33154 545 4 readily readily RB 33154 545 5 understood understand VBN 33154 545 6 by by IN 33154 545 7 considering consider VBG 33154 545 8 the the DT 33154 545 9 position position NN 33154 545 10 of of IN 33154 545 11 such such JJ 33154 545 12 related related JJ 33154 545 13 sounds sound NNS 33154 545 14 when when WRB 33154 545 15 they -PRON- PRP 33154 545 16 are be VBP 33154 545 17 written write VBN 33154 545 18 upon upon IN 33154 545 19 the the DT 33154 545 20 staff staff NN 33154 545 21 . . . 33154 546 1 [ [ -LRB- 33154 546 2 Illustration illustration NN 33154 546 3 ] ] -RRB- 33154 546 4 If if IN 33154 546 5 we -PRON- PRP 33154 546 6 start start VBP 33154 546 7 with with IN 33154 546 8 C c NN 33154 546 9 in in IN 33154 546 10 the the DT 33154 546 11 bass bass NN 33154 546 12 as as IN 33154 546 13 indicated indicate VBN 33154 546 14 in in IN 33154 546 15 the the DT 33154 546 16 staff staff NN 33154 546 17 , , , 33154 546 18 calling call VBG 33154 546 19 that that IN 33154 546 20 the the DT 33154 546 21 fundamental fundamental NN 33154 546 22 , , , 33154 546 23 then then RB 33154 546 24 the the DT 33154 546 25 notes note NNS 33154 546 26 that that WDT 33154 546 27 will will MD 33154 546 28 represent represent VB 33154 546 29 the the DT 33154 546 30 above above JJ 33154 546 31 ratios ratio NNS 33154 546 32 are be VBP 33154 546 33 those those DT 33154 546 34 indicated indicate VBN 33154 546 35 by by IN 33154 546 36 smaller small JJR 33154 546 37 notes note NNS 33154 546 38 , , , 33154 546 39 which which WDT 33154 546 40 are be VBP 33154 546 41 the the DT 33154 546 42 overtones overtone NNS 33154 546 43 up up IN 33154 546 44 to to IN 33154 546 45 the the DT 33154 546 46 ninth ninth JJ 33154 546 47 . . . 33154 547 1 The the DT 33154 547 2 first first JJ 33154 547 3 overtone overtone NN 33154 547 4 , , , 33154 547 5 being be VBG 33154 547 6 produced produce VBN 33154 547 7 by by IN 33154 547 8 twice twice PDT 33154 547 9 the the DT 33154 547 10 number number NN 33154 547 11 of of IN 33154 547 12 vibrations vibration NNS 33154 547 13 , , , 33154 547 14 must must MD 33154 547 15 be be VB 33154 547 16 the the DT 33154 547 17 octave octave NN 33154 547 18 ; ; : 33154 547 19 the the DT 33154 547 20 second second JJ 33154 547 21 , , , 33154 547 22 the the DT 33154 547 23 fifth fifth NN 33154 547 24 of of IN 33154 547 25 the the DT 33154 547 26 second second JJ 33154 547 27 octave octave NN 33154 547 28 ; ; : 33154 547 29 the the DT 33154 547 30 third third NN 33154 547 31 will will MD 33154 547 32 be be VB 33154 547 33 two two CD 33154 547 34 octaves octave NNS 33154 547 35 from from IN 33154 547 36 the the DT 33154 547 37 first first JJ 33154 547 38 , , , 33154 547 39 and and CC 33154 547 40 so so RB 33154 547 41 on on RB 33154 547 42 : : : 33154 547 43 the the DT 33154 547 44 number number NN 33154 547 45 of of IN 33154 547 46 vibrations vibration NNS 33154 547 47 of of IN 33154 547 48 each each DT 33154 547 49 of of IN 33154 547 50 these these DT 33154 547 51 notes note NNS 33154 547 52 being be VBG 33154 547 53 the the DT 33154 547 54 number number NN 33154 547 55 of of IN 33154 547 56 the the DT 33154 547 57 fundamental fundamental JJ 33154 547 58 multiplied multiply VBN 33154 547 59 by by IN 33154 547 60 its -PRON- PRP$ 33154 547 61 order order NN 33154 547 62 in in IN 33154 547 63 the the DT 33154 547 64 series series NN 33154 547 65 . . . 33154 548 1 Taking take VBG 33154 548 2 C C NNP 33154 548 3 with with IN 33154 548 4 128 128 CD 33154 548 5 vibrations vibration NNS 33154 548 6 , , , 33154 548 7 we -PRON- PRP 33154 548 8 have have VBP 33154 548 9 for for IN 33154 548 10 this this DT 33154 548 11 series:-- series:-- NNP 33154 548 12 128 128 CD 33154 548 13 × × NN 33154 548 14 1 1 CD 33154 548 15 = = SYM 33154 548 16 128 128 CD 33154 548 17 = = SYM 33154 548 18 C c NN 33154 548 19 fundamental fundamental NN 33154 548 20 . . . 33154 549 1 128 128 CD 33154 549 2 × × NN 33154 549 3 2 2 CD 33154 549 4 = = SYM 33154 549 5 256 256 CD 33154 549 6 = = SYM 33154 549 7 C C NNP 33154 549 8 ´ ´ CD 33154 549 9 . . . 33154 550 1 128 128 CD 33154 550 2 × × NN 33154 550 3 3 3 CD 33154 550 4 = = SYM 33154 550 5 384 384 CD 33154 550 6 = = SYM 33154 550 7 G G NNP 33154 550 8 ´ ´ CD 33154 550 9 . . . 33154 551 1 128 128 CD 33154 551 2 × × NN 33154 551 3 4 4 CD 33154 551 4 = = SYM 33154 551 5 512 512 CD 33154 551 6 = = SYM 33154 551 7 C C NNP 33154 551 8 ´ ´ CD 33154 551 9 ´ ´ CD 33154 551 10 . . . 33154 552 1 128 128 CD 33154 552 2 × × NN 33154 552 3 5 5 CD 33154 552 4 = = SYM 33154 552 5 640 640 CD 33154 552 6 = = SYM 33154 552 7 E e NN 33154 552 8 ´ ´ CD 33154 552 9 ´ ´ CD 33154 552 10 . . . 33154 553 1 128 128 CD 33154 553 2 × × CD 33154 553 3 6 6 CD 33154 553 4 = = SYM 33154 553 5 768 768 CD 33154 553 6 = = SYM 33154 553 7 G G NNP 33154 553 8 ´ ´ NNP 33154 553 9 ´ ´ CD 33154 553 10 . . . 33154 554 1 128 128 CD 33154 554 2 × × NN 33154 554 3 7 7 CD 33154 554 4 = = SYM 33154 554 5 896 896 CD 33154 554 6 = = SYM 33154 554 7 B´´[flat b´´[flat NN 33154 554 8 ] ] -RRB- 33154 554 9 . . . 33154 555 1 128 128 CD 33154 555 2 × × NN 33154 555 3 8 8 CD 33154 555 4 = = SYM 33154 555 5 1,024 1,024 CD 33154 555 6 = = SYM 33154 555 7 C C NNP 33154 555 8 ´ ´ CD 33154 555 9 ´ ´ CD 33154 555 10 ´ ´ CD 33154 555 11 . . . 33154 556 1 128 128 CD 33154 556 2 × × CD 33154 556 3 9 9 CD 33154 556 4 = = SYM 33154 556 5 1,152 1,152 CD 33154 556 6 = = SYM 33154 556 7 D D NNP 33154 556 8 ´ ´ CD 33154 556 9 ´ ´ CD 33154 556 10 ´ ´ CD 33154 556 11 . . . 33154 557 1 128 128 CD 33154 557 2 × × CD 33154 557 3 10 10 CD 33154 557 4 = = SYM 33154 557 5 1,280 1,280 CD 33154 557 6 = = SYM 33154 557 7 E e NN 33154 557 8 ´ ´ CD 33154 557 9 ´ ´ CD 33154 557 10 ´ ´ CD 33154 557 11 . . . 33154 558 1 This this DT 33154 558 2 series series NN 33154 558 3 is be VBZ 33154 558 4 continued continue VBN 33154 558 5 up up RP 33154 558 6 to to IN 33154 558 7 the the DT 33154 558 8 limits limit NNS 33154 558 9 of of IN 33154 558 10 hearing hearing NN 33154 558 11 . . . 33154 559 1 Now now RB 33154 559 2 , , , 33154 559 3 it -PRON- PRP 33154 559 4 appears appear VBZ 33154 559 5 that that IN 33154 559 6 all all DT 33154 559 7 instruments instrument NNS 33154 559 8 do do VBP 33154 559 9 not not RB 33154 559 10 give give VB 33154 559 11 the the DT 33154 559 12 complete complete JJ 33154 559 13 series series NN 33154 559 14 : : : 33154 559 15 indeed indeed RB 33154 559 16 , , , 33154 559 17 it -PRON- PRP 33154 559 18 is be VBZ 33154 559 19 not not RB 33154 559 20 possible possible JJ 33154 559 21 to to TO 33154 559 22 obtain obtain VB 33154 559 23 them -PRON- PRP 33154 559 24 all all DT 33154 559 25 upon upon IN 33154 559 26 some some DT 33154 559 27 instruments instrument NNS 33154 559 28 . . . 33154 560 1 Each each DT 33154 560 2 of of IN 33154 560 3 them -PRON- PRP 33154 560 4 , , , 33154 560 5 however however RB 33154 560 6 , , , 33154 560 7 when when WRB 33154 560 8 present present JJ 33154 560 9 helps help VBZ 33154 560 10 in in IN 33154 560 11 the the DT 33154 560 12 general general JJ 33154 560 13 effect effect NN 33154 560 14 which which WDT 33154 560 15 we -PRON- PRP 33154 560 16 call call VBP 33154 560 17 quality quality NN 33154 560 18 . . . 33154 561 1 Sometimes sometimes RB 33154 561 2 the the DT 33154 561 3 overtones overtone NNS 33154 561 4 are be VBP 33154 561 5 more more RBR 33154 561 6 prominent prominent JJ 33154 561 7 than than IN 33154 561 8 the the DT 33154 561 9 fundamental fundamental JJ 33154 561 10 , , , 33154 561 11 as as IN 33154 561 12 when when WRB 33154 561 13 a a DT 33154 561 14 piano piano NN 33154 561 15 - - HYPH 33154 561 16 wire wire NN 33154 561 17 is be VBZ 33154 561 18 struck strike VBN 33154 561 19 with with IN 33154 561 20 a a DT 33154 561 21 nail nail NN 33154 561 22 . . . 33154 562 1 It -PRON- PRP 33154 562 2 has have VBZ 33154 562 3 always always RB 33154 562 4 been be VBN 33154 562 5 noticed notice VBN 33154 562 6 that that IN 33154 562 7 it -PRON- PRP 33154 562 8 does do VBZ 33154 562 9 not not RB 33154 562 10 give give VB 33154 562 11 out out RP 33154 562 12 the the DT 33154 562 13 sound sound NN 33154 562 14 that that WDT 33154 562 15 is be VBZ 33154 562 16 wanted want VBN 33154 562 17 when when WRB 33154 562 18 it -PRON- PRP 33154 562 19 is be VBZ 33154 562 20 struck strike VBN 33154 562 21 in in IN 33154 562 22 this this DT 33154 562 23 way way NN 33154 562 24 . . . 33154 563 1 Hence hence RB 33154 563 2 it -PRON- PRP 33154 563 3 is be VBZ 33154 563 4 the the DT 33154 563 5 art art NN 33154 563 6 of of IN 33154 563 7 an an DT 33154 563 8 instrument instrument NN 33154 563 9 - - HYPH 33154 563 10 maker maker NN 33154 563 11 to to TO 33154 563 12 so so RB 33154 563 13 construct construct VB 33154 563 14 the the DT 33154 563 15 instrument instrument NN 33154 563 16 as as IN 33154 563 17 to to TO 33154 563 18 develop develop VB 33154 563 19 and and CC 33154 563 20 re re VB 33154 563 21 - - VB 33154 563 22 enforce enforce JJ 33154 563 23 such such JJ 33154 563 24 tones tone NNS 33154 563 25 as as IN 33154 563 26 are be VBP 33154 563 27 pleasing pleasing JJ 33154 563 28 , , , 33154 563 29 and and CC 33154 563 30 to to TO 33154 563 31 suppress suppress VB 33154 563 32 the the DT 33154 563 33 interfering interfering JJ 33154 563 34 and and CC 33154 563 35 disagreeable disagreeable JJ 33154 563 36 overtones overtone NNS 33154 563 37 . . . 33154 564 1 Piano piano NN 33154 564 2 - - HYPH 33154 564 3 makers maker NNS 33154 564 4 learned learn VBN 33154 564 5 by by IN 33154 564 6 trial trial NN 33154 564 7 where where WRB 33154 564 8 was be VBD 33154 564 9 the the DT 33154 564 10 proper proper JJ 33154 564 11 place place NN 33154 564 12 to to TO 33154 564 13 strike strike VB 33154 564 14 the the DT 33154 564 15 stretched stretch VBN 33154 564 16 wire wire NN 33154 564 17 in in IN 33154 564 18 order order NN 33154 564 19 to to TO 33154 564 20 develop develop VB 33154 564 21 the the DT 33154 564 22 most most RBS 33154 564 23 musical musical JJ 33154 564 24 sound sound NN 33154 564 25 upon upon IN 33154 564 26 it -PRON- PRP 33154 564 27 ; ; : 33154 564 28 but but CC 33154 564 29 no no DT 33154 564 30 reason reason NN 33154 564 31 could could MD 33154 564 32 be be VB 33154 564 33 given give VBN 33154 564 34 until until IN 33154 564 35 it -PRON- PRP 33154 564 36 was be VBD 33154 564 37 observed observe VBN 33154 564 38 that that IN 33154 564 39 striking strike VBG 33154 564 40 it -PRON- PRP 33154 564 41 at at IN 33154 564 42 a a DT 33154 564 43 point point NN 33154 564 44 about about RB 33154 564 45 one one CD 33154 564 46 - - HYPH 33154 564 47 seventh seventh JJ 33154 564 48 or or CC 33154 564 49 one one CD 33154 564 50 - - HYPH 33154 564 51 ninth ninth JJ 33154 564 52 its -PRON- PRP$ 33154 564 53 length length NN 33154 564 54 from from IN 33154 564 55 either either DT 33154 564 56 end end NN 33154 564 57 prevented prevent VBD 33154 564 58 the the DT 33154 564 59 development development NN 33154 564 60 of of IN 33154 564 61 the the DT 33154 564 62 objectionable objectionable JJ 33154 564 63 overtones overtone NNS 33154 564 64 , , , 33154 564 65 the the DT 33154 564 66 seventh seventh JJ 33154 564 67 and and CC 33154 564 68 the the DT 33154 564 69 ninth ninth JJ 33154 564 70 . . . 33154 565 1 Hence hence RB 33154 565 2 they -PRON- PRP 33154 565 3 can can MD 33154 565 4 scarcely scarcely RB 33154 565 5 be be VB 33154 565 6 heard hear VBN 33154 565 7 in in IN 33154 565 8 a a DT 33154 565 9 properly properly RB 33154 565 10 constructed construct VBN 33154 565 11 instrument instrument NN 33154 565 12 . . . 33154 566 1 These these DT 33154 566 2 overtones overtone NNS 33154 566 3 are be VBP 33154 566 4 very very RB 33154 566 5 discordant discordant JJ 33154 566 6 with with IN 33154 566 7 the the DT 33154 566 8 lower low JJR 33154 566 9 sounds sound NNS 33154 566 10 . . . 33154 567 1 Organ Organ NNP 33154 567 2 - - HYPH 33154 567 3 pipes pipe NNS 33154 567 4 have have VBP 33154 567 5 their -PRON- PRP$ 33154 567 6 specific specific JJ 33154 567 7 qualities quality NNS 33154 567 8 given give VBN 33154 567 9 to to IN 33154 567 10 them -PRON- PRP 33154 567 11 by by IN 33154 567 12 making make VBG 33154 567 13 them -PRON- PRP 33154 567 14 wide wide JJ 33154 567 15 - - HYPH 33154 567 16 mouthed mouthed JJ 33154 567 17 , , , 33154 567 18 narrow narrow JJ 33154 567 19 - - HYPH 33154 567 20 mouthed mouthed JJ 33154 567 21 , , , 33154 567 22 conical conical JJ 33154 567 23 , , , 33154 567 24 and and CC 33154 567 25 so so RB 33154 567 26 on on RB 33154 567 27 ; ; : 33154 567 28 shapes shape NNS 33154 567 29 which which WDT 33154 567 30 experience experience NN 33154 567 31 has have VBZ 33154 567 32 determined determine VBN 33154 567 33 give give VBP 33154 567 34 pleasing pleasing JJ 33154 567 35 sounds sound NNS 33154 567 36 with with IN 33154 567 37 different different JJ 33154 567 38 qualities quality NNS 33154 567 39 . . . 33154 568 1 The the DT 33154 568 2 violin violin NN 33154 568 3 is be VBZ 33154 568 4 an an DT 33154 568 5 instrument instrument NN 33154 568 6 that that WDT 33154 568 7 seems seem VBZ 33154 568 8 to to TO 33154 568 9 puzzle puzzle VB 33154 568 10 makers maker NNS 33154 568 11 more more RBR 33154 568 12 than than IN 33154 568 13 almost almost RB 33154 568 14 any any DT 33154 568 15 other other JJ 33154 568 16 . . . 33154 569 1 Some some DT 33154 569 2 of of IN 33154 569 3 the the DT 33154 569 4 old old JJ 33154 569 5 violins violin NNS 33154 569 6 made make VBD 33154 569 7 two two CD 33154 569 8 hundred hundred CD 33154 569 9 years year NNS 33154 569 10 ago ago RB 33154 569 11 by by IN 33154 569 12 the the DT 33154 569 13 Amati Amati NNP 33154 569 14 family family NN 33154 569 15 at at IN 33154 569 16 Cremona Cremona NNP 33154 569 17 are be VBP 33154 569 18 worth worth JJ 33154 569 19 many many JJ 33154 569 20 times time NNS 33154 569 21 their -PRON- PRP$ 33154 569 22 weight weight NN 33154 569 23 in in IN 33154 569 24 gold gold NN 33154 569 25 . . . 33154 570 1 Recent recent JJ 33154 570 2 makers maker NNS 33154 570 3 have have VBP 33154 570 4 tried try VBN 33154 570 5 in in IN 33154 570 6 vain vain JJ 33154 570 7 to to TO 33154 570 8 equal equal VB 33154 570 9 them -PRON- PRP 33154 570 10 ; ; : 33154 570 11 but but CC 33154 570 12 , , , 33154 570 13 when when WRB 33154 570 14 their -PRON- PRP$ 33154 570 15 ingenuity ingenuity NN 33154 570 16 and and CC 33154 570 17 skill skill NN 33154 570 18 have have VBP 33154 570 19 failed fail VBN 33154 570 20 , , , 33154 570 21 they -PRON- PRP 33154 570 22 declare declare VBP 33154 570 23 that that IN 33154 570 24 _ _ NNP 33154 570 25 age age NN 33154 570 26 _ _ NNP 33154 570 27 has have VBZ 33154 570 28 much much JJ 33154 570 29 to to TO 33154 570 30 do do VB 33154 570 31 with with IN 33154 570 32 such such JJ 33154 570 33 instruments instrument NNS 33154 570 34 , , , 33154 570 35 that that DT 33154 570 36 age age NN 33154 570 37 mellows mellow VBZ 33154 570 38 the the DT 33154 570 39 sounding sound VBG 33154 570 40 quality quality NN 33154 570 41 of of IN 33154 570 42 the the DT 33154 570 43 violin violin NN 33154 570 44 . . . 33154 571 1 But but CC 33154 571 2 the the DT 33154 571 3 Cremona Cremona NNP 33154 571 4 violins violin NNS 33154 571 5 were be VBD 33154 571 6 just just RB 33154 571 7 as as IN 33154 571 8 extraordinary extraordinary JJ 33154 571 9 instruments instrument NNS 33154 571 10 when when WRB 33154 571 11 they -PRON- PRP 33154 571 12 left leave VBD 33154 571 13 the the DT 33154 571 14 hands hand NNS 33154 571 15 of of IN 33154 571 16 the the DT 33154 571 17 makers maker NNS 33154 571 18 as as IN 33154 571 19 they -PRON- PRP 33154 571 20 are be VBP 33154 571 21 now now RB 33154 571 22 ; ; : 33154 571 23 and and CC 33154 571 24 the the DT 33154 571 25 fame fame NN 33154 571 26 of of IN 33154 571 27 the the DT 33154 571 28 Amati Amati NNP 33154 571 29 family family NN 33154 571 30 as as IN 33154 571 31 violin violin NN 33154 571 32 - - HYPH 33154 571 33 makers maker NNS 33154 571 34 was be VBD 33154 571 35 over over IN 33154 571 36 all all DT 33154 571 37 Europe Europe NNP 33154 571 38 while while IN 33154 571 39 they -PRON- PRP 33154 571 40 were be VBD 33154 571 41 living live VBG 33154 571 42 . . . 33154 572 1 A a DT 33154 572 2 good good JJ 33154 572 3 violin violin NN 33154 572 4 when when WRB 33154 572 5 well well RB 33154 572 6 played play VBD 33154 572 7 gives give VBZ 33154 572 8 an an DT 33154 572 9 exquisite exquisite JJ 33154 572 10 musical musical JJ 33154 572 11 effect effect NN 33154 572 12 , , , 33154 572 13 and and CC 33154 572 14 on on IN 33154 572 15 account account NN 33154 572 16 of of IN 33154 572 17 its -PRON- PRP$ 33154 572 18 range range NN 33154 572 19 and and CC 33154 572 20 quality quality NN 33154 572 21 of of IN 33154 572 22 tones tone NNS 33154 572 23 it -PRON- PRP 33154 572 24 is be VBZ 33154 572 25 the the DT 33154 572 26 leading lead VBG 33154 572 27 orchestral orchestral JJ 33154 572 28 instrument instrument NN 33154 572 29 , , , 33154 572 30 always always RB 33154 572 31 pleasing pleasing JJ 33154 572 32 and and CC 33154 572 33 satisfying satisfying JJ 33154 572 34 ; ; : 33154 572 35 but but CC 33154 572 36 in in IN 33154 572 37 unskilled unskilled JJ 33154 572 38 hands hand NNS 33154 572 39 even even RB 33154 572 40 the the DT 33154 572 41 best good JJS 33154 572 42 _ _ NNP 33154 572 43 Cremona Cremona NNP 33154 572 44 _ _ NNP 33154 572 45 will will MD 33154 572 46 give give VB 33154 572 47 forth forth RP 33154 572 48 sounds sound NNS 33154 572 49 that that WDT 33154 572 50 make make VBP 33154 572 51 one one CD 33154 572 52 grieve grieve VB 33154 572 53 that that IN 33154 572 54 it -PRON- PRP 33154 572 55 was be VBD 33154 572 56 ever ever RB 33154 572 57 invented invent VBN 33154 572 58 . . . 33154 573 1 Overtones overtone NNS 33154 573 2 of of IN 33154 573 3 all all DT 33154 573 4 sorts sort NNS 33154 573 5 and and CC 33154 573 6 with with IN 33154 573 7 all all DT 33154 573 8 degrees degree NNS 33154 573 9 of of IN 33154 573 10 prominence prominence NN 33154 573 11 may may MD 33154 573 12 be be VB 33154 573 13 easily easily RB 33154 573 14 developed develop VBN 33154 573 15 upon upon IN 33154 573 16 it -PRON- PRP 33154 573 17 : : : 33154 573 18 therefore therefore RB 33154 573 19 the the DT 33154 573 20 skilful skilful JJ 33154 573 21 player player NN 33154 573 22 draws draw VBZ 33154 573 23 the the DT 33154 573 24 bow bow NN 33154 573 25 at at IN 33154 573 26 such such PDT 33154 573 27 a a DT 33154 573 28 place place NN 33154 573 29 upon upon IN 33154 573 30 the the DT 33154 573 31 strings string NNS 33154 573 32 as as IN 33154 573 33 to to TO 33154 573 34 develop develop VB 33154 573 35 the the DT 33154 573 36 overtones overtone NNS 33154 573 37 he -PRON- PRP 33154 573 38 wants want VBZ 33154 573 39 , , , 33154 573 40 and and CC 33154 573 41 suppress suppress VB 33154 573 42 the the DT 33154 573 43 ones one NNS 33154 573 44 not not RB 33154 573 45 wanted want VBN 33154 573 46 . . . 33154 574 1 The the DT 33154 574 2 usual usual JJ 33154 574 3 rule rule NN 33154 574 4 is be VBZ 33154 574 5 to to TO 33154 574 6 draw draw VB 33154 574 7 the the DT 33154 574 8 bow bow NN 33154 574 9 about about IN 33154 574 10 an an DT 33154 574 11 inch inch NN 33154 574 12 below below IN 33154 574 13 the the DT 33154 574 14 bridge bridge NN 33154 574 15 ; ; : 33154 574 16 but but CC 33154 574 17 the the DT 33154 574 18 place place NN 33154 574 19 for for IN 33154 574 20 the the DT 33154 574 21 bow bow NN 33154 574 22 depends depend VBZ 33154 574 23 upon upon IN 33154 574 24 where where WRB 33154 574 25 the the DT 33154 574 26 fingers finger NNS 33154 574 27 are be VBP 33154 574 28 that that WDT 33154 574 29 stop stop VB 33154 574 30 the the DT 33154 574 31 strings string NNS 33154 574 32 , , , 33154 574 33 and and CC 33154 574 34 also also RB 33154 574 35 the the DT 33154 574 36 pressure pressure NN 33154 574 37 upon upon IN 33154 574 38 it -PRON- PRP 33154 574 39 . . . 33154 575 1 It -PRON- PRP 33154 575 2 requires require VBZ 33154 575 3 an an DT 33154 575 4 almost almost RB 33154 575 5 incredible incredible JJ 33154 575 6 amount amount NN 33154 575 7 of of IN 33154 575 8 practice practice NN 33154 575 9 to to TO 33154 575 10 be be VB 33154 575 11 able able JJ 33154 575 12 to to TO 33154 575 13 play play VB 33154 575 14 a a DT 33154 575 15 violin violin NN 33154 575 16 very very RB 33154 575 17 well well RB 33154 575 18 . . . 33154 576 1 In in IN 33154 576 2 the the DT 33154 576 3 accompanying accompanying JJ 33154 576 4 table table NN 33154 576 5 will will MD 33154 576 6 be be VB 33154 576 7 found find VBN 33154 576 8 the the DT 33154 576 9 component component NN 33154 576 10 parts part NNS 33154 576 11 of of IN 33154 576 12 tones tone NNS 33154 576 13 upon upon IN 33154 576 14 a a DT 33154 576 15 few few JJ 33154 576 16 instruments instrument NNS 33154 576 17 in in IN 33154 576 18 common common JJ 33154 576 19 use use NN 33154 576 20 . . . 33154 577 1 TONE TONE NNP 33154 577 2 COMPOSITION COMPOSITION NNS 33154 577 3 . . . 33154 578 1 The the DT 33154 578 2 components component NNS 33154 578 3 of of IN 33154 578 4 the the DT 33154 578 5 tones tone NNS 33154 578 6 are be VBP 33154 578 7 indicated indicate VBN 33154 578 8 by by IN 33154 578 9 lines line NNS 33154 578 10 in in IN 33154 578 11 the the DT 33154 578 12 column column NN 33154 578 13 underneath underneath IN 33154 578 14 the the DT 33154 578 15 figures figure NNS 33154 578 16 representing represent VBG 33154 578 17 the the DT 33154 578 18 series series NN 33154 578 19 . . . 33154 579 1 Thus thus RB 33154 579 2 the the DT 33154 579 3 narrow narrow NN 33154 579 4 - - HYPH 33154 579 5 stopped stop VBN 33154 579 6 organ organ NN 33154 579 7 - - HYPH 33154 579 8 pipe pipe NN 33154 579 9 gives give VBZ 33154 579 10 a a DT 33154 579 11 sound sound NN 33154 579 12 composed compose VBN 33154 579 13 of of IN 33154 579 14 a a DT 33154 579 15 fundamental fundamental JJ 33154 579 16 , , , 33154 579 17 and and CC 33154 579 18 overtones overtone VBZ 33154 579 19 three three CD 33154 579 20 , , , 33154 579 21 five five CD 33154 579 22 , , , 33154 579 23 seven seven CD 33154 579 24 , , , 33154 579 25 and and CC 33154 579 26 nine nine CD 33154 579 27 times time NNS 33154 579 28 the the DT 33154 579 29 number number NN 33154 579 30 of of IN 33154 579 31 vibrations vibration NNS 33154 579 32 of of IN 33154 579 33 it -PRON- PRP 33154 579 34 . . . 33154 580 1 TONE TONE NNP 33154 580 2 COMPOSITION COMPOSITION NNS 33154 580 3 . . . 33154 581 1 --------------------------+---+---+---+---+---+---+---+---+---+--- --------------------------+---+---+---+---+---+---+---+---+---+--- NFP 33154 581 2 INSTRUMENTS instrument NNS 33154 581 3 . . . 33154 582 1 | | NNP 33154 582 2 1 1 CD 33154 582 3 | | CD 33154 582 4 2 2 CD 33154 582 5 | | CD 33154 582 6 3 3 CD 33154 582 7 | | CD 33154 582 8 4 4 CD 33154 582 9 | | CD 33154 582 10 5 5 CD 33154 582 11 | | CD 33154 582 12 6 6 CD 33154 582 13 | | CD 33154 582 14 7 7 CD 33154 582 15 | | CD 33154 582 16 8 8 CD 33154 582 17 | | CD 33154 582 18 9 9 CD 33154 582 19 | | CD 33154 582 20 10 10 CD 33154 582 21 --------------------------+---+---+---+---+---+---+---+---+---+--- --------------------------+---+---+---+---+---+---+---+---+---+--- CD 33154 582 22 / / SYM 33154 582 23 Wide wide JJ 33154 582 24 stopped stop VBD 33154 582 25 | | NNP 33154 582 26 / / SYM 33154 582 27 | | NNP 33154 582 28 | | CD 33154 582 29 | | CD 33154 582 30 | | CD 33154 582 31 | | CD 33154 582 32 | | CD 33154 582 33 | | CD 33154 582 34 | | CD 33154 582 35 | | CD 33154 582 36 | | CD 33154 582 37 + + SYM 33154 582 38 ---+---+---+---+---+---+---+---+---+--- ---+---+---+---+---+---+---+---+---+--- HYPH 33154 582 39 | | NNP 33154 582 40 Narrow Narrow NNP 33154 582 41 " " '' 33154 582 42 | | NNP 33154 582 43 / / SYM 33154 582 44 | | NNP 33154 582 45 | | CD 33154 582 46 / / SYM 33154 582 47 | | NNP 33154 582 48 | | CD 33154 582 49 / / SYM 33154 582 50 | | NNP 33154 582 51 | | CD 33154 582 52 / / SYM 33154 582 53 | | NNP 33154 582 54 | | CD 33154 582 55 / / SYM 33154 582 56 | | NNP 33154 582 57 | | CD 33154 582 58 + + SYM 33154 582 59 ---+---+---+---+---+---+---+---+---+--- ---+---+---+---+---+---+---+---+---+--- HYPH 33154 582 60 | | NNP 33154 582 61 Narrow narrow JJ 33154 582 62 cylinder cylinder NN 33154 582 63 | | NNP 33154 582 64 / / SYM 33154 582 65 | | NNP 33154 582 66 / / SYM 33154 582 67 | | NNP 33154 582 68 / / SYM 33154 582 69 | | NNP 33154 582 70 / / SYM 33154 582 71 | | NNP 33154 582 72 / / SYM 33154 582 73 | | NNP 33154 582 74 / / SYM 33154 582 75 | | NNP 33154 582 76 | | CD 33154 582 77 | | CD 33154 582 78 | | CD 33154 582 79 ORGAN ORGAN NNS 33154 582 80 < < XX 33154 582 81 + + SYM 33154 582 82 ---+---+---+---+---+---+---+---+---+--- ---+---+---+---+---+---+---+---+---+--- : 33154 582 83 PIPES pipes NN 33154 582 84 . . . 33154 583 1 | | NNP 33154 583 2 Principal Principal NNP 33154 583 3 } } -RRB- 33154 583 4 | | NNP 33154 583 5 / / SYM 33154 583 6 | | NNP 33154 583 7 / / SYM 33154 583 8 | | NNP 33154 583 9 / / SYM 33154 583 10 | | NNP 33154 583 11 | | CD 33154 583 12 | | CD 33154 583 13 | | CD 33154 583 14 | | CD 33154 583 15 | | CD 33154 583 16 | | CD 33154 583 17 | | NNS 33154 583 18 ( ( -LRB- 33154 583 19 Wood wood NN 33154 583 20 ) ) -RRB- 33154 583 21 } } -RRB- 33154 583 22 | | CD 33154 583 23 | | CD 33154 583 24 | | CD 33154 583 25 | | CD 33154 583 26 | | CD 33154 583 27 | | CD 33154 583 28 | | CD 33154 583 29 | | CD 33154 583 30 | | CD 33154 583 31 | | CD 33154 583 32 | | CD 33154 583 33 + + SYM 33154 583 34 ---+---+---+---+---+---+---+---+---+--- ---+---+---+---+---+---+---+---+---+--- HYPH 33154 583 35 | | NNP 33154 583 36 Conically Conically NNP 33154 583 37 } } -RRB- 33154 583 38 | | NNP 33154 583 39 / / SYM 33154 583 40 | | NNP 33154 583 41 | | CD 33154 583 42 | | CD 33154 583 43 | | CD 33154 583 44 / / SYM 33154 583 45 | | NNP 33154 583 46 / / SYM 33154 583 47 | | NNP 33154 583 48 / / SYM 33154 583 49 | | NNP 33154 583 50 | | CD 33154 583 51 | | CD 33154 583 52 \ \ NN 33154 583 53 narrow narrow JJ 33154 583 54 at at IN 33154 583 55 top top NN 33154 583 56 . . . 33154 584 1 } } -RRB- 33154 584 2 | | NNP 33154 584 3 | | NNP 33154 584 4 | | CD 33154 584 5 | | CD 33154 584 6 | | CD 33154 584 7 | | CD 33154 584 8 | | CD 33154 584 9 | | CD 33154 584 10 | | CD 33154 584 11 | | CD 33154 584 12 + + SYM 33154 584 13 ---+---+---+---+---+---+---+---+---+--- ---+---+---+---+---+---+---+---+---+--- : 33154 584 14 Flute Flute NNP 33154 584 15 | | NNP 33154 584 16 / / SYM 33154 584 17 | | NNP 33154 584 18 / / SYM 33154 584 19 | | NNP 33154 584 20 / / SYM 33154 584 21 | | NNP 33154 584 22 / / SYM 33154 584 23 | | NNP 33154 584 24 | | CD 33154 584 25 | | CD 33154 584 26 | | CD 33154 584 27 | | CD 33154 584 28 | | CD 33154 584 29 + + SYM 33154 584 30 ---+---+---+---+---+---+---+---+---+--- ---+---+---+---+---+---+---+---+---+--- : 33154 584 31 Violin Violin NNP 33154 584 32 | | NNP 33154 584 33 / / SYM 33154 584 34 | | NNP 33154 584 35 / / SYM 33154 584 36 | | NNP 33154 584 37 / / SYM 33154 584 38 | | NNP 33154 584 39 / / SYM 33154 584 40 | | NNP 33154 584 41 / / SYM 33154 584 42 | | NNP 33154 584 43 / / SYM 33154 584 44 | | NNP 33154 584 45 / / SYM 33154 584 46 | | NNP 33154 584 47 / / SYM 33154 584 48 | | NNP 33154 584 49 / / SYM 33154 584 50 | | NNP 33154 584 51 / / SYM 33154 584 52 + + SYM 33154 584 53 ---+---+---+---+---+---+---+---+---+--- ---+---+---+---+---+---+---+---+---+--- : 33154 584 54 Piano Piano NNP 33154 584 55 | | NNP 33154 584 56 / / SYM 33154 584 57 | | NNP 33154 584 58 / / SYM 33154 584 59 | | NNP 33154 584 60 / / SYM 33154 584 61 | | NNP 33154 584 62 / / SYM 33154 584 63 | | NNP 33154 584 64 / / SYM 33154 584 65 | | NNP 33154 584 66 / / SYM 33154 584 67 | | NNP 33154 584 68 / / SYM 33154 584 69 | | NNP 33154 584 70 / / SYM 33154 584 71 | | NNP 33154 584 72 | | CD 33154 584 73 + + SYM 33154 584 74 ---+---+---+---+---+---+---+---+---+--- ---+---+---+---+---+---+---+---+---+--- : 33154 584 75 Bell Bell NNP 33154 584 76 | | NNP 33154 584 77 / / SYM 33154 584 78 | | NNP 33154 584 79 / / SYM 33154 584 80 | | NNP 33154 584 81 / / SYM 33154 584 82 | | NNP 33154 584 83 / / SYM 33154 584 84 | | NNP 33154 584 85 / / SYM 33154 584 86 | | NNP 33154 584 87 / / SYM 33154 584 88 | | NNP 33154 584 89 / / SYM 33154 584 90 | | NNP 33154 584 91 | | CD 33154 584 92 | | CD 33154 584 93 + + SYM 33154 584 94 ---+---+---+---+---+---+---+---+---+--- ---+---+---+---+---+---+---+---+---+--- NNP 33154 584 95 Clarionet Clarionet NNP 33154 584 96 | | NNP 33154 584 97 / / SYM 33154 584 98 | | NNP 33154 584 99 | | CD 33154 584 100 / / SYM 33154 584 101 | | NNP 33154 584 102 | | CD 33154 584 103 / / SYM 33154 584 104 | | NNP 33154 584 105 | | CD 33154 584 106 / / SYM 33154 584 107 | | NNP 33154 584 108 | | NNP 33154 584 109 / / SYM 33154 584 110 | | NNP 33154 584 111 + + SYM 33154 584 112 ---+---+---+---+---+---+---+---+---+--- ---+---+---+---+---+---+---+---+---+--- . 33154 584 113 Bassoon Bassoon NNP 33154 584 114 | | NNP 33154 584 115 / / SYM 33154 584 116 | | NNP 33154 584 117 / / SYM 33154 584 118 | | NNP 33154 584 119 / / SYM 33154 584 120 | | NNP 33154 584 121 / / SYM 33154 584 122 | | NNP 33154 584 123 / / SYM 33154 584 124 | | NNP 33154 584 125 / / SYM 33154 584 126 | | NNP 33154 584 127 / / SYM 33154 584 128 | | NNP 33154 584 129 | | CD 33154 584 130 | | CD 33154 584 131 + + SYM 33154 584 132 ---+---+---+---+---+---+---+---+---+--- ---+---+---+---+---+---+---+---+---+--- : 33154 584 133 Oboe Oboe NNP 33154 584 134 | | NNP 33154 584 135 / / SYM 33154 584 136 | | NNP 33154 584 137 / / SYM 33154 584 138 | | NNP 33154 584 139 / / SYM 33154 584 140 | | NNP 33154 584 141 / / SYM 33154 584 142 | | NNP 33154 584 143 / / SYM 33154 584 144 | | NNP 33154 584 145 / / SYM 33154 584 146 | | NNP 33154 584 147 / / SYM 33154 584 148 | | NNP 33154 584 149 | | CD 33154 584 150 | | CD 33154 584 151 --------------------------+---+---+---+---+---+---+---+---+---+--- --------------------------+---+---+---+---+---+---+---+---+---+--- : 33154 584 152 It -PRON- PRP 33154 584 153 must must MD 33154 584 154 not not RB 33154 584 155 be be VB 33154 584 156 inferred infer VBN 33154 584 157 that that IN 33154 584 158 all all DT 33154 584 159 of of IN 33154 584 160 the the DT 33154 584 161 overtones overtone NNS 33154 584 162 are be VBP 33154 584 163 of of IN 33154 584 164 equal equal JJ 33154 584 165 strength strength NN 33154 584 166 : : : 33154 584 167 they -PRON- PRP 33154 584 168 are be VBP 33154 584 169 very very RB 33154 584 170 far far RB 33154 584 171 from from IN 33154 584 172 that that DT 33154 584 173 ; ; : 33154 584 174 but but CC 33154 584 175 these these DT 33154 584 176 differ differ VBP 33154 584 177 in in IN 33154 584 178 different different JJ 33154 584 179 instruments instrument NNS 33154 584 180 , , , 33154 584 181 and and CC 33154 584 182 it -PRON- PRP 33154 584 183 is be VBZ 33154 584 184 this this DT 33154 584 185 that that WDT 33154 584 186 constitutes constitute VBZ 33154 584 187 the the DT 33154 584 188 difference difference NN 33154 584 189 between between IN 33154 584 190 a a DT 33154 584 191 good good JJ 33154 584 192 instrument instrument NN 33154 584 193 and and CC 33154 584 194 a a DT 33154 584 195 poor poor JJ 33154 584 196 one one CD 33154 584 197 of of IN 33154 584 198 the the DT 33154 584 199 same same JJ 33154 584 200 name name NN 33154 584 201 . . . 33154 585 1 In in IN 33154 585 2 a a DT 33154 585 3 few few JJ 33154 585 4 of of IN 33154 585 5 the the DT 33154 585 6 spaces space NNS 33154 585 7 very very RB 33154 585 8 light light JJ 33154 585 9 lines line NNS 33154 585 10 are be VBP 33154 585 11 made make VBN 33154 585 12 for for IN 33154 585 13 the the DT 33154 585 14 purpose purpose NN 33154 585 15 of of IN 33154 585 16 indicating indicate VBG 33154 585 17 that that IN 33154 585 18 such such JJ 33154 585 19 overtones overtone NNS 33154 585 20 are be VBP 33154 585 21 quite quite RB 33154 585 22 weak weak JJ 33154 585 23 . . . 33154 586 1 For for IN 33154 586 2 instance instance NN 33154 586 3 : : : 33154 586 4 the the DT 33154 586 5 piano piano NN 33154 586 6 has have VBZ 33154 586 7 the the DT 33154 586 8 sixth sixth JJ 33154 586 9 , , , 33154 586 10 seventh seventh JJ 33154 586 11 , , , 33154 586 12 and and CC 33154 586 13 eighth eighth JJ 33154 586 14 thus thus RB 33154 586 15 marked mark VBN 33154 586 16 ; ; : 33154 586 17 these these DT 33154 586 18 tones tone NNS 33154 586 19 being be VBG 33154 586 20 suppressed suppress VBN 33154 586 21 by by IN 33154 586 22 the the DT 33154 586 23 mechanism mechanism NN 33154 586 24 , , , 33154 586 25 as as IN 33154 586 26 described describe VBN 33154 586 27 on on IN 33154 586 28 a a DT 33154 586 29 former former JJ 33154 586 30 page page NN 33154 586 31 . . . 33154 587 1 Only only RB 33154 587 2 a a DT 33154 587 3 few few JJ 33154 587 4 of of IN 33154 587 5 the the DT 33154 587 6 many many JJ 33154 587 7 forms form NNS 33154 587 8 of of IN 33154 587 9 organ organ NN 33154 587 10 - - HYPH 33154 587 11 pipes pipe NNS 33154 587 12 are be VBP 33154 587 13 given give VBN 33154 587 14 ; ; : 33154 587 15 but but CC 33154 587 16 these these DT 33154 587 17 are be VBP 33154 587 18 sufficient sufficient JJ 33154 587 19 to to TO 33154 587 20 show show VB 33154 587 21 what what WP 33154 587 22 a a DT 33154 587 23 physical physical JJ 33154 587 24 difference difference NN 33154 587 25 there there EX 33154 587 26 is be VBZ 33154 587 27 between between IN 33154 587 28 the the DT 33154 587 29 musical musical JJ 33154 587 30 tones tone NNS 33154 587 31 in in IN 33154 587 32 such such JJ 33154 587 33 pipes pipe NNS 33154 587 34 . . . 33154 588 1 As as IN 33154 588 2 for for IN 33154 588 3 the the DT 33154 588 4 human human JJ 33154 588 5 voice voice NN 33154 588 6 , , , 33154 588 7 it -PRON- PRP 33154 588 8 is be VBZ 33154 588 9 very very RB 33154 588 10 rich rich JJ 33154 588 11 in in IN 33154 588 12 overtones overtone NNS 33154 588 13 ; ; : 33154 588 14 but but CC 33154 588 15 no no DT 33154 588 16 two two CD 33154 588 17 voices voice NNS 33154 588 18 are be VBP 33154 588 19 alike alike RB 33154 588 20 , , , 33154 588 21 therefore therefore RB 33154 588 22 it -PRON- PRP 33154 588 23 would would MD 33154 588 24 be be VB 33154 588 25 impossible impossible JJ 33154 588 26 to to TO 33154 588 27 tabulate tabulate VB 33154 588 28 the the DT 33154 588 29 components component NNS 33154 588 30 of of IN 33154 588 31 it -PRON- PRP 33154 588 32 in in IN 33154 588 33 the the DT 33154 588 34 manner manner NN 33154 588 35 they -PRON- PRP 33154 588 36 are be VBP 33154 588 37 tabulated tabulate VBN 33154 588 38 for for IN 33154 588 39 musical musical JJ 33154 588 40 instruments instrument NNS 33154 588 41 . . . 33154 589 1 In in IN 33154 589 2 Helmholtz Helmholtz NNP 33154 589 3 's 's POS 33154 589 4 experiments experiment NNS 33154 589 5 in in IN 33154 589 6 the the DT 33154 589 7 analysis analysis NN 33154 589 8 of of IN 33154 589 9 sounds sound NNS 33154 589 10 , , , 33154 589 11 use use NN 33154 589 12 was be VBD 33154 589 13 made make VBN 33154 589 14 of of IN 33154 589 15 the the DT 33154 589 16 principle principle NN 33154 589 17 of of IN 33154 589 18 resonance resonance NN 33154 589 19 of of IN 33154 589 20 a a DT 33154 589 21 body body NN 33154 589 22 of of IN 33154 589 23 air air NN 33154 589 24 enclosed enclose VBN 33154 589 25 in in IN 33154 589 26 a a DT 33154 589 27 vessel vessel NN 33154 589 28 . . . 33154 590 1 In in IN 33154 590 2 the the DT 33154 590 3 experiment experiment NN 33154 590 4 with with IN 33154 590 5 the the DT 33154 590 6 tuning tuning NN 33154 590 7 - - HYPH 33154 590 8 fork fork NN 33154 590 9 to to TO 33154 590 10 determine determine VB 33154 590 11 the the DT 33154 590 12 wave wave NN 33154 590 13 - - HYPH 33154 590 14 length length NN 33154 590 15 , , , 33154 590 16 p. p. NN 33154 590 17 78 78 CD 33154 590 18 , , , 33154 590 19 it -PRON- PRP 33154 590 20 is be VBZ 33154 590 21 remarked remark VBN 33154 590 22 that that IN 33154 590 23 no no DT 33154 590 24 response response NN 33154 590 25 came come VBD 33154 590 26 until until IN 33154 590 27 the the DT 33154 590 28 volume volume NN 33154 590 29 of of IN 33154 590 30 the the DT 33154 590 31 air air NN 33154 590 32 in in IN 33154 590 33 the the DT 33154 590 34 tube tube NN 33154 590 35 was be VBD 33154 590 36 reduced reduce VBN 33154 590 37 to to IN 33154 590 38 a a DT 33154 590 39 certain certain JJ 33154 590 40 length length NN 33154 590 41 , , , 33154 590 42 which which WDT 33154 590 43 depended depend VBD 33154 590 44 upon upon IN 33154 590 45 the the DT 33154 590 46 vibration vibration NN 33154 590 47 number number NN 33154 590 48 of of IN 33154 590 49 the the DT 33154 590 50 fork fork NN 33154 590 51 . . . 33154 591 1 If if IN 33154 591 2 instead instead RB 33154 591 3 of of IN 33154 591 4 a a DT 33154 591 5 test test NN 33154 591 6 - - HYPH 33154 591 7 tube tube NN 33154 591 8 a a DT 33154 591 9 bottle bottle NN 33154 591 10 had have VBD 33154 591 11 been be VBN 33154 591 12 taken take VBN 33154 591 13 , , , 33154 591 14 the the DT 33154 591 15 result result NN 33154 591 16 would would MD 33154 591 17 have have VB 33154 591 18 been be VBN 33154 591 19 the the DT 33154 591 20 same same JJ 33154 591 21 . . . 33154 592 1 Every every DT 33154 592 2 kind kind NN 33154 592 3 of of IN 33154 592 4 a a DT 33154 592 5 vessel vessel NN 33154 592 6 can can MD 33154 592 7 respond respond VB 33154 592 8 to to IN 33154 592 9 some some DT 33154 592 10 tone tone NN 33154 592 11 of of IN 33154 592 12 a a DT 33154 592 13 definite definite JJ 33154 592 14 wave wave NN 33154 592 15 - - HYPH 33154 592 16 length length NN 33154 592 17 , , , 33154 592 18 and and CC 33154 592 19 a a DT 33154 592 20 sphere sphere NN 33154 592 21 has have VBZ 33154 592 22 been be VBN 33154 592 23 found find VBN 33154 592 24 to to TO 33154 592 25 give give VB 33154 592 26 the the DT 33154 592 27 best good JJS 33154 592 28 results result NNS 33154 592 29 . . . 33154 593 1 These these DT 33154 593 2 are be VBP 33154 593 3 made make VBN 33154 593 4 with with IN 33154 593 5 a a DT 33154 593 6 hole hole NN 33154 593 7 on on IN 33154 593 8 one one CD 33154 593 9 side side NN 33154 593 10 for for IN 33154 593 11 the the DT 33154 593 12 sound sound JJ 33154 593 13 - - HYPH 33154 593 14 wave wave NN 33154 593 15 to to TO 33154 593 16 enter enter VB 33154 593 17 , , , 33154 593 18 and and CC 33154 593 19 a a DT 33154 593 20 projection projection NN 33154 593 21 on on IN 33154 593 22 the the DT 33154 593 23 opposite opposite JJ 33154 593 24 side side NN 33154 593 25 , , , 33154 593 26 through through IN 33154 593 27 which which WDT 33154 593 28 a a DT 33154 593 29 hole hole NN 33154 593 30 about about IN 33154 593 31 the the DT 33154 593 32 one one CD 33154 593 33 - - HYPH 33154 593 34 eighth eighth NN 33154 593 35 of of IN 33154 593 36 an an DT 33154 593 37 inch inch NN 33154 593 38 is be VBZ 33154 593 39 made make VBN 33154 593 40 , , , 33154 593 41 this this DT 33154 593 42 to to TO 33154 593 43 be be VB 33154 593 44 placed place VBN 33154 593 45 in in IN 33154 593 46 the the DT 33154 593 47 ear ear NN 33154 593 48 . . . 33154 594 1 Any any DT 33154 594 2 sound sound NN 33154 594 3 that that WDT 33154 594 4 is be VBZ 33154 594 5 made make VBN 33154 594 6 in in IN 33154 594 7 front front NN 33154 594 8 of of IN 33154 594 9 the the DT 33154 594 10 large large JJ 33154 594 11 orifice orifice NN 33154 594 12 will will MD 33154 594 13 not not RB 33154 594 14 meet meet VB 33154 594 15 any any DT 33154 594 16 response response NN 33154 594 17 , , , 33154 594 18 unless unless IN 33154 594 19 it -PRON- PRP 33154 594 20 be be VB 33154 594 21 that that RB 33154 594 22 particular particular JJ 33154 594 23 one one CD 33154 594 24 which which WDT 33154 594 25 the the DT 33154 594 26 globe globe NN 33154 594 27 can can MD 33154 594 28 naturally naturally RB 33154 594 29 re re VB 33154 594 30 - - VB 33154 594 31 enforce enforce VB 33154 594 32 , , , 33154 594 33 when when WRB 33154 594 34 it -PRON- PRP 33154 594 35 will will MD 33154 594 36 be be VB 33154 594 37 plainly plainly RB 33154 594 38 heard hear VBN 33154 594 39 . . . 33154 595 1 Suppose suppose VB 33154 595 2 , , , 33154 595 3 then then RB 33154 595 4 , , , 33154 595 5 one one PRP 33154 595 6 has have VBZ 33154 595 7 a a DT 33154 595 8 series series NN 33154 595 9 of of IN 33154 595 10 twenty twenty CD 33154 595 11 or or CC 33154 595 12 more more JJR 33154 595 13 of of IN 33154 595 14 these these DT 33154 595 15 , , , 33154 595 16 graduated graduate VBD 33154 595 17 to to IN 33154 595 18 the the DT 33154 595 19 proper proper JJ 33154 595 20 size size NN 33154 595 21 for for IN 33154 595 22 re re JJ 33154 595 23 - - JJ 33154 595 24 enforcing enforcing JJ 33154 595 25 sounds sound NNS 33154 595 26 in in IN 33154 595 27 the the DT 33154 595 28 ratio ratio NN 33154 595 29 of of IN 33154 595 30 one one CD 33154 595 31 , , , 33154 595 32 two two CD 33154 595 33 , , , 33154 595 34 three three CD 33154 595 35 , , , 33154 595 36 four four CD 33154 595 37 , , , 33154 595 38 and and CC 33154 595 39 so so RB 33154 595 40 on on RB 33154 595 41 . . . 33154 596 1 Take take VB 33154 596 2 any any DT 33154 596 3 instrument instrument NN 33154 596 4 , , , 33154 596 5 say say VB 33154 596 6 a a DT 33154 596 7 flute flute NN 33154 596 8 : : : 33154 596 9 have have VB 33154 596 10 one one CD 33154 596 11 to to TO 33154 596 12 blow blow VB 33154 596 13 it -PRON- PRP 33154 596 14 upon upon IN 33154 596 15 the the DT 33154 596 16 proper proper JJ 33154 596 17 pitch pitch NN 33154 596 18 to to TO 33154 596 19 respond respond VB 33154 596 20 to to IN 33154 596 21 the the DT 33154 596 22 largest large JJS 33154 596 23 sphere sphere NN 33154 596 24 , , , 33154 596 25 then then RB 33154 596 26 take take VB 33154 596 27 each each DT 33154 596 28 of of IN 33154 596 29 the the DT 33154 596 30 spheres sphere NNS 33154 596 31 in in IN 33154 596 32 their -PRON- PRP$ 33154 596 33 order order NN 33154 596 34 , , , 33154 596 35 applying apply VBG 33154 596 36 them -PRON- PRP 33154 596 37 to to IN 33154 596 38 the the DT 33154 596 39 ear ear NN 33154 596 40 while while IN 33154 596 41 the the DT 33154 596 42 flute flute NN 33154 596 43 is be VBZ 33154 596 44 being be VBG 33154 596 45 sounded sound VBN 33154 596 46 . . . 33154 597 1 When when WRB 33154 597 2 the the DT 33154 597 3 overtones overtone NNS 33154 597 4 are be VBP 33154 597 5 present present JJ 33154 597 6 they -PRON- PRP 33154 597 7 will will MD 33154 597 8 be be VB 33154 597 9 heard hear VBN 33154 597 10 plainly plainly RB 33154 597 11 and and CC 33154 597 12 distinct distinct JJ 33154 597 13 from from IN 33154 597 14 the the DT 33154 597 15 fundamental fundamental JJ 33154 597 16 sound sound NN 33154 597 17 . . . 33154 598 1 In in IN 33154 598 2 like like IN 33154 598 3 manner manner NN 33154 598 4 any any DT 33154 598 5 or or CC 33154 598 6 all all DT 33154 598 7 other other JJ 33154 598 8 sounds sound NNS 33154 598 9 may may MD 33154 598 10 be be VB 33154 598 11 studied study VBN 33154 598 12 . . . 33154 599 1 But but CC 33154 599 2 Helmholtz Helmholtz NNP 33154 599 3 did do VBD 33154 599 4 not not RB 33154 599 5 stop stop VB 33154 599 6 after after IN 33154 599 7 analyzing analyze VBG 33154 599 8 sounds sound NNS 33154 599 9 of of IN 33154 599 10 so so RB 33154 599 11 many many JJ 33154 599 12 kinds kind NNS 33154 599 13 : : : 33154 599 14 he -PRON- PRP 33154 599 15 invented invent VBD 33154 599 16 a a DT 33154 599 17 method method NN 33154 599 18 of of IN 33154 599 19 synthesis synthesis NN 33154 599 20 , , , 33154 599 21 by by IN 33154 599 22 which which WDT 33154 599 23 the the DT 33154 599 24 sounds sound NNS 33154 599 25 of of IN 33154 599 26 any any DT 33154 599 27 kind kind NN 33154 599 28 of of IN 33154 599 29 an an DT 33154 599 30 instrument instrument NN 33154 599 31 could could MD 33154 599 32 be be VB 33154 599 33 imitated imitate VBN 33154 599 34 . . . 33154 600 1 A a DT 33154 600 2 tuning tuning NN 33154 600 3 - - HYPH 33154 600 4 fork fork NN 33154 600 5 , , , 33154 600 6 when when WRB 33154 600 7 made make VBN 33154 600 8 to to TO 33154 600 9 vibrate vibrate VB 33154 600 10 by by IN 33154 600 11 an an DT 33154 600 12 electric electric JJ 33154 600 13 current current NN 33154 600 14 , , , 33154 600 15 gives give VBZ 33154 600 16 out out RP 33154 600 17 a a DT 33154 600 18 tone tone NN 33154 600 19 without without IN 33154 600 20 harmonics harmonic NNS 33154 600 21 or or CC 33154 600 22 overtones overtone NNS 33154 600 23 . . . 33154 601 1 So so CC 33154 601 2 if if IN 33154 601 3 a a DT 33154 601 4 series series NN 33154 601 5 of of IN 33154 601 6 forks fork NNS 33154 601 7 with with IN 33154 601 8 vibration vibration NN 33154 601 9 periods period NNS 33154 601 10 equal equal JJ 33154 601 11 to to IN 33154 601 12 the the DT 33154 601 13 numbers number NNS 33154 601 14 of of IN 33154 601 15 the the DT 33154 601 16 series series NN 33154 601 17 of of IN 33154 601 18 overtones overtone NNS 33154 601 19 given give VBN 33154 601 20 on on IN 33154 601 21 p. p. NN 33154 601 22 86 86 CD 33154 601 23 be be VB 33154 601 24 so so RB 33154 601 25 arranged arrange VBN 33154 601 26 that that IN 33154 601 27 any any DT 33154 601 28 of of IN 33154 601 29 them -PRON- PRP 33154 601 30 may may MD 33154 601 31 be be VB 33154 601 32 made make VBN 33154 601 33 to to TO 33154 601 34 vibrate vibrate VB 33154 601 35 at at IN 33154 601 36 will will NN 33154 601 37 , , , 33154 601 38 it -PRON- PRP 33154 601 39 is be VBZ 33154 601 40 evident evident JJ 33154 601 41 that that IN 33154 601 42 the the DT 33154 601 43 resulting result VBG 33154 601 44 compound compound NN 33154 601 45 tone tone NN 33154 601 46 would would MD 33154 601 47 be be VB 33154 601 48 comparable comparable JJ 33154 601 49 with with IN 33154 601 50 that that DT 33154 601 51 from from IN 33154 601 52 an an DT 33154 601 53 instrument instrument NN 33154 601 54 having have VBG 33154 601 55 such such JJ 33154 601 56 overtones overtone NNS 33154 601 57 . . . 33154 602 1 Thus thus RB 33154 602 2 , , , 33154 602 3 if if IN 33154 602 4 with with IN 33154 602 5 a a DT 33154 602 6 tuning tuning NN 33154 602 7 - - HYPH 33154 602 8 fork fork NN 33154 602 9 giving give VBG 33154 602 10 a a DT 33154 602 11 fundamental fundamental JJ 33154 602 12 C C NNP 33154 602 13 , , , 33154 602 14 other other JJ 33154 602 15 forks fork NNS 33154 602 16 giving give VBG 33154 602 17 two two CD 33154 602 18 , , , 33154 602 19 three three CD 33154 602 20 , , , 33154 602 21 and and CC 33154 602 22 four four CD 33154 602 23 times time NNS 33154 602 24 the the DT 33154 602 25 number number NN 33154 602 26 of of IN 33154 602 27 the the DT 33154 602 28 fundamental fundamental JJ 33154 602 29 were be VBD 33154 602 30 associated associate VBN 33154 602 31 , , , 33154 602 32 each each DT 33154 602 33 one one NN 33154 602 34 giving give VBG 33154 602 35 a a DT 33154 602 36 simple simple JJ 33154 602 37 tone tone NN 33154 602 38 , , , 33154 602 39 we -PRON- PRP 33154 602 40 should should MD 33154 602 41 have have VB 33154 602 42 for for IN 33154 602 43 a a DT 33154 602 44 resultant resultant JJ 33154 602 45 the the DT 33154 602 46 tone tone NN 33154 602 47 of of IN 33154 602 48 a a DT 33154 602 49 flute flute NN 33154 602 50 , , , 33154 602 51 as as IN 33154 602 52 shown show VBN 33154 602 53 on on IN 33154 602 54 p. p. NN 33154 602 55 91 91 CD 33154 602 56 . . . 33154 603 1 If if IN 33154 603 2 one one CD 33154 603 3 , , , 33154 603 4 three three CD 33154 603 5 , , , 33154 603 6 five five CD 33154 603 7 , , , 33154 603 8 seven seven CD 33154 603 9 , , , 33154 603 10 and and CC 33154 603 11 nine nine CD 33154 603 12 , , , 33154 603 13 were be VBD 33154 603 14 all all DT 33154 603 15 sounded sound VBN 33154 603 16 , , , 33154 603 17 the the DT 33154 603 18 resulting result VBG 33154 603 19 tone tone NN 33154 603 20 would would MD 33154 603 21 be be VB 33154 603 22 that that DT 33154 603 23 of of IN 33154 603 24 the the DT 33154 603 25 clarionet clarionet NN 33154 603 26 , , , 33154 603 27 and and CC 33154 603 28 so so RB 33154 603 29 on on RB 33154 603 30 . . . 33154 604 1 This this DT 33154 604 2 he -PRON- PRP 33154 604 3 actually actually RB 33154 604 4 accomplished accomplish VBD 33154 604 5 , , , 33154 604 6 and and CC 33154 604 7 now now RB 33154 604 8 makers maker NNS 33154 604 9 of of IN 33154 604 10 physical physical JJ 33154 604 11 apparatus apparatus NN 33154 604 12 advertise advertise NN 33154 604 13 just just RB 33154 604 14 such such JJ 33154 604 15 instruments instrument NNS 33154 604 16 . . . 33154 605 1 Helmholtz Helmholtz NNP 33154 605 2 also also RB 33154 605 3 contrived contrive VBD 33154 605 4 a a DT 33154 605 5 set set NN 33154 605 6 of of IN 33154 605 7 tuning tuning NN 33154 605 8 - - HYPH 33154 605 9 forks fork NNS 33154 605 10 , , , 33154 605 11 which which WDT 33154 605 12 , , , 33154 605 13 when when WRB 33154 605 14 bowed bow VBD 33154 605 15 , , , 33154 605 16 will will MD 33154 605 17 give give VB 33154 605 18 out out RP 33154 605 19 the the DT 33154 605 20 vowel vowel NN 33154 605 21 sounds sound VBZ 33154 605 22 like like IN 33154 605 23 the the DT 33154 605 24 voice voice NN 33154 605 25 . . . 33154 606 1 It -PRON- PRP 33154 606 2 was be VBD 33154 606 3 remarked remark VBN 33154 606 4 upon upon IN 33154 606 5 p. p. NN 33154 606 6 89 89 CD 33154 606 7 that that IN 33154 606 8 it -PRON- PRP 33154 606 9 has have VBZ 33154 606 10 generally generally RB 33154 606 11 been be VBN 33154 606 12 considered consider VBN 33154 606 13 that that DT 33154 606 14 age age NN 33154 606 15 has have VBZ 33154 606 16 a a DT 33154 606 17 mellowing mellowing JJ 33154 606 18 effect effect NN 33154 606 19 upon upon IN 33154 606 20 the the DT 33154 606 21 sound sound NN 33154 606 22 of of IN 33154 606 23 a a DT 33154 606 24 violin violin NN 33154 606 25 . . . 33154 607 1 Once once RB 33154 607 2 in in IN 33154 607 3 possession possession NN 33154 607 4 of of IN 33154 607 5 the the DT 33154 607 6 facts fact NNS 33154 607 7 concerning concern VBG 33154 607 8 sound sound NN 33154 607 9 that that WDT 33154 607 10 have have VBP 33154 607 11 been be VBN 33154 607 12 alluded allude VBN 33154 607 13 to to IN 33154 607 14 on on IN 33154 607 15 the the DT 33154 607 16 preceding precede VBG 33154 607 17 pages page NNS 33154 607 18 , , , 33154 607 19 it -PRON- PRP 33154 607 20 is be VBZ 33154 607 21 easy easy JJ 33154 607 22 to to TO 33154 607 23 see see VB 33154 607 24 how how WRB 33154 607 25 such such PDT 33154 607 26 an an DT 33154 607 27 opinion opinion NN 33154 607 28 should should MD 33154 607 29 arise arise VB 33154 607 30 , , , 33154 607 31 and and CC 33154 607 32 also also RB 33154 607 33 the the DT 33154 607 34 fallacy fallacy NN 33154 607 35 of of IN 33154 607 36 it -PRON- PRP 33154 607 37 . . . 33154 608 1 It -PRON- PRP 33154 608 2 is be VBZ 33154 608 3 proved prove VBN 33154 608 4 conclusively conclusively RB 33154 608 5 that that IN 33154 608 6 the the DT 33154 608 7 ability ability NN 33154 608 8 to to TO 33154 608 9 hear hear VB 33154 608 10 high high JJ 33154 608 11 sounds sound NNS 33154 608 12 decreases decrease NNS 33154 608 13 as as IN 33154 608 14 one one CD 33154 608 15 grows grow VBZ 33154 608 16 older old JJR 33154 608 17 . . . 33154 609 1 As as IN 33154 609 2 the the DT 33154 609 3 violin violin NN 33154 609 4 gives give VBZ 33154 609 5 a a DT 33154 609 6 very very RB 33154 609 7 great great JJ 33154 609 8 number number NN 33154 609 9 of of IN 33154 609 10 overtones overtone NNS 33154 609 11 , , , 33154 609 12 even even RB 33154 609 13 up up IN 33154 609 14 to to IN 33154 609 15 the the DT 33154 609 16 limits limit NNS 33154 609 17 of of IN 33154 609 18 audibility audibility NN 33154 609 19 , , , 33154 609 20 it -PRON- PRP 33154 609 21 is be VBZ 33154 609 22 plain plain JJ 33154 609 23 that that IN 33154 609 24 if if IN 33154 609 25 such such PDT 33154 609 26 an an DT 33154 609 27 instrument instrument NN 33154 609 28 should should MD 33154 609 29 not not RB 33154 609 30 change change VB 33154 609 31 in in IN 33154 609 32 its -PRON- PRP$ 33154 609 33 quality quality NN 33154 609 34 of of IN 33154 609 35 tone tone NN 33154 609 36 in in IN 33154 609 37 the the DT 33154 609 38 least least JJS 33154 609 39 degree degree NN 33154 609 40 , , , 33154 609 41 yet yet RB 33154 609 42 to to IN 33154 609 43 a a DT 33154 609 44 man man NN 33154 609 45 who who WP 33154 609 46 played play VBD 33154 609 47 upon upon IN 33154 609 48 it -PRON- PRP 33154 609 49 for for IN 33154 609 50 a a DT 33154 609 51 number number NN 33154 609 52 of of IN 33154 609 53 years year NNS 33154 609 54 it -PRON- PRP 33154 609 55 would would MD 33154 609 56 seem seem VB 33154 609 57 to to TO 33154 609 58 change change VB 33154 609 59 by by IN 33154 609 60 subtracting subtract VBG 33154 609 61 some some DT 33154 609 62 of of IN 33154 609 63 the the DT 33154 609 64 higher high JJR 33154 609 65 overtones overtone NNS 33154 609 66 from from IN 33154 609 67 the the DT 33154 609 68 sound sound NN 33154 609 69 ; ; : 33154 609 70 that that RB 33154 609 71 is is RB 33154 609 72 , , , 33154 609 73 it -PRON- PRP 33154 609 74 would would MD 33154 609 75 seem seem VB 33154 609 76 to to TO 33154 609 77 become become VB 33154 609 78 mellower mellow JJR 33154 609 79 . . . 33154 610 1 There there EX 33154 610 2 is be VBZ 33154 610 3 no no DT 33154 610 4 evidence evidence NN 33154 610 5 that that IN 33154 610 6 such such PDT 33154 610 7 a a DT 33154 610 8 physical physical JJ 33154 610 9 change change NN 33154 610 10 takes take VBZ 33154 610 11 place place NN 33154 610 12 in in IN 33154 610 13 the the DT 33154 610 14 instrument instrument NN 33154 610 15 . . . 33154 611 1 It -PRON- PRP 33154 611 2 is be VBZ 33154 611 3 not not RB 33154 611 4 here here RB 33154 611 5 affirmed affirm VBN 33154 611 6 that that IN 33154 611 7 no no DT 33154 611 8 change change NN 33154 611 9 does do VBZ 33154 611 10 take take VB 33154 611 11 place place NN 33154 611 12 . . . 33154 612 1 It -PRON- PRP 33154 612 2 may may MD 33154 612 3 be be VB 33154 612 4 probable probable JJ 33154 612 5 ; ; : 33154 612 6 but but CC 33154 612 7 all all PDT 33154 612 8 the the DT 33154 612 9 evidence evidence NN 33154 612 10 we -PRON- PRP 33154 612 11 have have VBP 33154 612 12 is be VBZ 33154 612 13 the the DT 33154 612 14 opinions opinion NNS 33154 612 15 of of IN 33154 612 16 individuals individual NNS 33154 612 17 whose whose WP$ 33154 612 18 hearing hearing NN 33154 612 19 we -PRON- PRP 33154 612 20 know know VBP 33154 612 21 does do VBZ 33154 612 22 change change VB 33154 612 23 ; ; : 33154 612 24 and and CC 33154 612 25 this this DT 33154 612 26 change change NN 33154 612 27 is be VBZ 33154 612 28 competent competent JJ 33154 612 29 to to TO 33154 612 30 modify modify VB 33154 612 31 the the DT 33154 612 32 judgment judgment NN 33154 612 33 as as IN 33154 612 34 to to IN 33154 612 35 the the DT 33154 612 36 quality quality NN 33154 612 37 of of IN 33154 612 38 the the DT 33154 612 39 sound sound NN 33154 612 40 in in IN 33154 612 41 the the DT 33154 612 42 same same JJ 33154 612 43 direction direction NN 33154 612 44 . . . 33154 613 1 Before before IN 33154 613 2 it -PRON- PRP 33154 613 3 can can MD 33154 613 4 be be VB 33154 613 5 affirmed affirm VBN 33154 613 6 that that IN 33154 613 7 such such PDT 33154 613 8 a a DT 33154 613 9 physical physical JJ 33154 613 10 change change NN 33154 613 11 does do VBZ 33154 613 12 take take VB 33154 613 13 place place NN 33154 613 14 in in IN 33154 613 15 the the DT 33154 613 16 violin violin NN 33154 613 17 as as IN 33154 613 18 to to TO 33154 613 19 make make VB 33154 613 20 a a DT 33154 613 21 perceptible perceptible JJ 33154 613 22 difference difference NN 33154 613 23 in in IN 33154 613 24 the the DT 33154 613 25 quality quality NN 33154 613 26 of of IN 33154 613 27 its -PRON- PRP$ 33154 613 28 tone tone NN 33154 613 29 , , , 33154 613 30 it -PRON- PRP 33154 613 31 will will MD 33154 613 32 be be VB 33154 613 33 needful needful JJ 33154 613 34 to to TO 33154 613 35 determine determine VB 33154 613 36 accurately accurately RB 33154 613 37 the the DT 33154 613 38 number number NN 33154 613 39 and and CC 33154 613 40 intensity intensity NN 33154 613 41 of of IN 33154 613 42 the the DT 33154 613 43 overtones overtone NNS 33154 613 44 at at IN 33154 613 45 intervals interval NNS 33154 613 46 during during IN 33154 613 47 many many JJ 33154 613 48 years year NNS 33154 613 49 , , , 33154 613 50 and and CC 33154 613 51 then then RB 33154 613 52 to to TO 33154 613 53 compare compare VB 33154 613 54 them -PRON- PRP 33154 613 55 . . . 33154 614 1 This this DT 33154 614 2 has have VBZ 33154 614 3 not not RB 33154 614 4 yet yet RB 33154 614 5 been be VBN 33154 614 6 done do VBN 33154 614 7 . . . 33154 615 1 FORM FORM NNP 33154 615 2 OF of IN 33154 615 3 A a DT 33154 615 4 COMPOUND COMPOUND NNP 33154 615 5 SOUND sound NN 33154 615 6 - - HYPH 33154 615 7 WAVE wave NN 33154 615 8 IN in IN 33154 615 9 AIR AIR NNP 33154 615 10 . . . 33154 616 1 Upon upon IN 33154 616 2 p. p. NN 33154 616 3 63 63 CD 33154 616 4 is be VBZ 33154 616 5 given give VBN 33154 616 6 a a DT 33154 616 7 picture picture NN 33154 616 8 of of IN 33154 616 9 the the DT 33154 616 10 form form NN 33154 616 11 of of IN 33154 616 12 a a DT 33154 616 13 simple simple JJ 33154 616 14 sound sound JJ 33154 616 15 - - HYPH 33154 616 16 wave wave NN 33154 616 17 in in IN 33154 616 18 air air NN 33154 616 19 , , , 33154 616 20 which which WDT 33154 616 21 , , , 33154 616 22 as as IN 33154 616 23 described describe VBN 33154 616 24 , , , 33154 616 25 consists consist VBZ 33154 616 26 of of IN 33154 616 27 two two CD 33154 616 28 parts part NNS 33154 616 29 , , , 33154 616 30 a a DT 33154 616 31 condensation condensation NN 33154 616 32 and and CC 33154 616 33 a a DT 33154 616 34 rarefaction rarefaction NN 33154 616 35 . . . 33154 617 1 All all DT 33154 617 2 simple simple JJ 33154 617 3 sound sound NN 33154 617 4 - - HYPH 33154 617 5 waves wave NNS 33154 617 6 have have VBP 33154 617 7 such such PDT 33154 617 8 a a DT 33154 617 9 form form NN 33154 617 10 ; ; : 33154 617 11 but but CC 33154 617 12 when when WRB 33154 617 13 two two CD 33154 617 14 or or CC 33154 617 15 more more JJR 33154 617 16 sound sound NN 33154 617 17 - - HYPH 33154 617 18 waves wave NNS 33154 617 19 that that WDT 33154 617 20 stand stand VBP 33154 617 21 in in IN 33154 617 22 some some DT 33154 617 23 simple simple JJ 33154 617 24 ratio ratio NN 33154 617 25 to to IN 33154 617 26 each each DT 33154 617 27 other other JJ 33154 617 28 , , , 33154 617 29 as as IN 33154 617 30 do do VBP 33154 617 31 the the DT 33154 617 32 sounds sound NNS 33154 617 33 of of IN 33154 617 34 musical musical JJ 33154 617 35 instruments instrument NNS 33154 617 36 , , , 33154 617 37 are be VBP 33154 617 38 formed form VBN 33154 617 39 in in IN 33154 617 40 air air NN 33154 617 41 , , , 33154 617 42 the the DT 33154 617 43 resulting result VBG 33154 617 44 wave wave NN 33154 617 45 is be VBZ 33154 617 46 more more RBR 33154 617 47 or or CC 33154 617 48 less less RBR 33154 617 49 complex complex JJ 33154 617 50 in in IN 33154 617 51 structure structure NN 33154 617 52 ; ; : 33154 617 53 and and CC 33154 617 54 where where WRB 33154 617 55 there there EX 33154 617 56 are be VBP 33154 617 57 many many JJ 33154 617 58 components component NNS 33154 617 59 , , , 33154 617 60 as as IN 33154 617 61 there there EX 33154 617 62 are be VBP 33154 617 63 where where WRB 33154 617 64 a a DT 33154 617 65 number number NN 33154 617 66 of of IN 33154 617 67 different different JJ 33154 617 68 kinds kind NNS 33154 617 69 of of IN 33154 617 70 instruments instrument NNS 33154 617 71 are be VBP 33154 617 72 all all DT 33154 617 73 sounding sound VBG 33154 617 74 at at IN 33154 617 75 once once RB 33154 617 76 , , , 33154 617 77 it -PRON- PRP 33154 617 78 is be VBZ 33154 617 79 well well RB 33154 617 80 - - HYPH 33154 617 81 nigh nigh NN 33154 617 82 impossible impossible JJ 33154 617 83 to to TO 33154 617 84 figure figure VB 33154 617 85 even even RB 33154 617 86 approximately approximately RB 33154 617 87 the the DT 33154 617 88 form form NN 33154 617 89 of of IN 33154 617 90 such such JJ 33154 617 91 wave wave NN 33154 617 92 - - HYPH 33154 617 93 combinations combination NNS 33154 617 94 . . . 33154 618 1 It -PRON- PRP 33154 618 2 is be VBZ 33154 618 3 generally generally RB 33154 618 4 given give VBN 33154 618 5 in in IN 33154 618 6 treatises treatise NNS 33154 618 7 upon upon IN 33154 618 8 sound sound NN 33154 618 9 with with IN 33154 618 10 ordinates ordinate NNS 33154 618 11 representing represent VBG 33154 618 12 the the DT 33154 618 13 factors factor NNS 33154 618 14 with with IN 33154 618 15 their -PRON- PRP$ 33154 618 16 relative relative JJ 33154 618 17 intensities intensity NNS 33154 618 18 . . . 33154 619 1 When when WRB 33154 619 2 the the DT 33154 619 3 extremities extremity NNS 33154 619 4 of of IN 33154 619 5 the the DT 33154 619 6 ordinates ordinate NNS 33154 619 7 are be VBP 33154 619 8 connected connect VBN 33154 619 9 , , , 33154 619 10 there there EX 33154 619 11 is be VBZ 33154 619 12 drawn draw VBN 33154 619 13 a a DT 33154 619 14 curved curved JJ 33154 619 15 line line NN 33154 619 16 with with IN 33154 619 17 regularly regularly RB 33154 619 18 recurring recur VBG 33154 619 19 loops loop NNS 33154 619 20 . . . 33154 620 1 This this DT 33154 620 2 can can MD 33154 620 3 not not RB 33154 620 4 give give VB 33154 620 5 a a DT 33154 620 6 correct correct JJ 33154 620 7 idea idea NN 33154 620 8 of of IN 33154 620 9 the the DT 33154 620 10 form form NN 33154 620 11 of of IN 33154 620 12 the the DT 33154 620 13 wave wave NN 33154 620 14 , , , 33154 620 15 because because IN 33154 620 16 the the DT 33154 620 17 motion motion NN 33154 620 18 of of IN 33154 620 19 a a DT 33154 620 20 particle particle NN 33154 620 21 of of IN 33154 620 22 air air NN 33154 620 23 is be VBZ 33154 620 24 not not RB 33154 620 25 up up RB 33154 620 26 and and CC 33154 620 27 down down RB 33154 620 28 like like IN 33154 620 29 a a DT 33154 620 30 floating float VBG 33154 620 31 body body NN 33154 620 32 upon upon IN 33154 620 33 waving wave VBG 33154 620 34 water water NN 33154 620 35 , , , 33154 620 36 but but CC 33154 620 37 it -PRON- PRP 33154 620 38 is be VBZ 33154 620 39 forward forward RB 33154 620 40 and and CC 33154 620 41 back back RB 33154 620 42 , , , 33154 620 43 in in IN 33154 620 44 the the DT 33154 620 45 direction direction NN 33154 620 46 of of IN 33154 620 47 the the DT 33154 620 48 motion motion NN 33154 620 49 of of IN 33154 620 50 the the DT 33154 620 51 wave wave NN 33154 620 52 . . . 33154 621 1 In in IN 33154 621 2 Fig Fig NNP 33154 621 3 . . . 33154 622 1 10 10 CD 33154 622 2 three three CD 33154 622 3 simple simple JJ 33154 622 4 sound sound NN 33154 622 5 - - HYPH 33154 622 6 waves wave NNS 33154 622 7 are be VBP 33154 622 8 thus thus RB 33154 622 9 represented represent VBN 33154 622 10 at at IN 33154 622 11 1 1 CD 33154 622 12 , , , 33154 622 13 2 2 CD 33154 622 14 , , , 33154 622 15 and and CC 33154 622 16 3 3 CD 33154 622 17 , , , 33154 622 18 these these DT 33154 622 19 having have VBG 33154 622 20 the the DT 33154 622 21 wave wave NN 33154 622 22 - - HYPH 33154 622 23 length length NN 33154 622 24 1 1 CD 33154 622 25 , , , 33154 622 26 2 2 CD 33154 622 27 , , , 33154 622 28 and and CC 33154 622 29 3 3 CD 33154 622 30 . . . 33154 623 1 In in IN 33154 623 2 4 4 CD 33154 623 3 , , , 33154 623 4 the the DT 33154 623 5 three three CD 33154 623 6 are be VBP 33154 623 7 combined combine VBN 33154 623 8 into into IN 33154 623 9 one one CD 33154 623 10 compound compound NN 33154 623 11 wave wave NN 33154 623 12 , , , 33154 623 13 and and CC 33154 623 14 better well RBR 33154 623 15 show show VBP 33154 623 16 the the DT 33154 623 17 form form NN 33154 623 18 of of IN 33154 623 19 a a DT 33154 623 20 transverse transverse JJ 33154 623 21 section section NN 33154 623 22 of of IN 33154 623 23 such such PDT 33154 623 24 a a DT 33154 623 25 sound sound JJ 33154 623 26 - - HYPH 33154 623 27 wave wave NN 33154 623 28 in in IN 33154 623 29 the the DT 33154 623 30 air air NN 33154 623 31 . . . 33154 624 1 The the DT 33154 624 2 organ organ NN 33154 624 3 - - HYPH 33154 624 4 pipe pipe NN 33154 624 5 called call VBD 33154 624 6 the the DT 33154 624 7 principal principal NN 33154 624 8 gives give VBZ 33154 624 9 out out RP 33154 624 10 such such PDT 33154 624 11 a a DT 33154 624 12 compound compound NN 33154 624 13 wave wave NN 33154 624 14 as as IN 33154 624 15 is be VBZ 33154 624 16 seen see VBN 33154 624 17 by by IN 33154 624 18 referring refer VBG 33154 624 19 to to IN 33154 624 20 the the DT 33154 624 21 table table NN 33154 624 22 on on IN 33154 624 23 p. p. NN 33154 624 24 91 91 CD 33154 624 25 . . . 33154 625 1 The the DT 33154 625 2 second second JJ 33154 625 3 overtone overtone NN 33154 625 4 , , , 33154 625 5 however however RB 33154 625 6 , , , 33154 625 7 is be VBZ 33154 625 8 quite quite RB 33154 625 9 weak weak JJ 33154 625 10 in in IN 33154 625 11 that that DT 33154 625 12 pipe pipe NN 33154 625 13 , , , 33154 625 14 which which WDT 33154 625 15 would would MD 33154 625 16 so so RB 33154 625 17 modify modify VB 33154 625 18 the the DT 33154 625 19 form form NN 33154 625 20 as as IN 33154 625 21 to to TO 33154 625 22 lessen lessen VB 33154 625 23 somewhat somewhat RB 33154 625 24 the the DT 33154 625 25 density density NN 33154 625 26 at at IN 33154 625 27 _ _ NNP 33154 625 28 b b NNP 33154 625 29 _ _ NNP 33154 625 30 , , , 33154 625 31 and and CC 33154 625 32 increase increase VB 33154 625 33 it -PRON- PRP 33154 625 34 at at IN 33154 625 35 _ _ NNP 33154 625 36 a a DT 33154 625 37 _ _ NNP 33154 625 38 . . . 33154 626 1 [ [ -LRB- 33154 626 2 Illustration illustration NN 33154 626 3 : : : 33154 626 4 FIG FIG NNP 33154 626 5 . . . 33154 627 1 10 10 CD 33154 627 2 . . . 33154 627 3 ] ] -RRB- 33154 628 1 In in IN 33154 628 2 like like DT 33154 628 3 manner manner NN 33154 628 4 the the DT 33154 628 5 space space NN 33154 628 6 in in IN 33154 628 7 the the DT 33154 628 8 length length NN 33154 628 9 of of IN 33154 628 10 the the DT 33154 628 11 fundamental fundamental JJ 33154 628 12 sound sound NN 33154 628 13 , , , 33154 628 14 whatever whatever WDT 33154 628 15 it -PRON- PRP 33154 628 16 may may MD 33154 628 17 be be VB 33154 628 18 , , , 33154 628 19 is be VBZ 33154 628 20 divided divide VBN 33154 628 21 up up RP 33154 628 22 into into IN 33154 628 23 a a DT 33154 628 24 number number NN 33154 628 25 of of IN 33154 628 26 minor minor JJ 33154 628 27 condensations condensation NNS 33154 628 28 and and CC 33154 628 29 rarefactions rarefaction NNS 33154 628 30 , , , 33154 628 31 which which WDT 33154 628 32 may may MD 33154 628 33 strengthen strengthen VB 33154 628 34 each each DT 33154 628 35 other other JJ 33154 628 36 , , , 33154 628 37 or or CC 33154 628 38 so so RB 33154 628 39 interfere interfere VB 33154 628 40 as as IN 33154 628 41 to to TO 33154 628 42 change change VB 33154 628 43 the the DT 33154 628 44 position position NN 33154 628 45 of of IN 33154 628 46 both both DT 33154 628 47 ; ; : 33154 628 48 as as IN 33154 628 49 is be VBZ 33154 628 50 seen see VBN 33154 628 51 in in IN 33154 628 52 the the DT 33154 628 53 figure figure NN 33154 628 54 at at IN 33154 628 55 _ _ NNP 33154 628 56 b b NNP 33154 628 57 _ _ NNP 33154 628 58 , , , 33154 628 59 where where WRB 33154 628 60 the the DT 33154 628 61 condensation condensation NN 33154 628 62 due due JJ 33154 628 63 to to IN 33154 628 64 wave wave VB 33154 628 65 2 2 CD 33154 628 66 interferes interfere NNS 33154 628 67 with with IN 33154 628 68 the the DT 33154 628 69 rarefaction rarefaction NN 33154 628 70 of of IN 33154 628 71 3 3 CD 33154 628 72 . . . 33154 629 1 CORRELATION CORRELATION NNP 33154 629 2 . . . 33154 630 1 HAVING HAVING NNP 33154 630 2 treated treat VBN 33154 630 3 at at IN 33154 630 4 some some DT 33154 630 5 length length NN 33154 630 6 of of IN 33154 630 7 the the DT 33154 630 8 three three CD 33154 630 9 factors factor NNS 33154 630 10 involved involve VBN 33154 630 11 in in IN 33154 630 12 telephony,--namely telephony,--namely NNP 33154 630 13 , , , 33154 630 14 electricity electricity NN 33154 630 15 , , , 33154 630 16 magnetism magnetism NN 33154 630 17 , , , 33154 630 18 and and CC 33154 630 19 sound,--it sound,--it NNP 33154 630 20 remains remain VBZ 33154 630 21 to to TO 33154 630 22 follow follow VB 33154 630 23 up up RP 33154 630 24 the the DT 33154 630 25 various various JJ 33154 630 26 steps step NNS 33154 630 27 that that WDT 33154 630 28 have have VBP 33154 630 29 led lead VBN 33154 630 30 to to IN 33154 630 31 the the DT 33154 630 32 actual actual JJ 33154 630 33 transmission transmission NN 33154 630 34 of of IN 33154 630 35 musical musical JJ 33154 630 36 sounds sound NNS 33154 630 37 and and CC 33154 630 38 speech speech NN 33154 630 39 over over IN 33154 630 40 an an DT 33154 630 41 ordinary ordinary JJ 33154 630 42 electric electric JJ 33154 630 43 circuit circuit NN 33154 630 44 . . . 33154 631 1 It -PRON- PRP 33154 631 2 is be VBZ 33154 631 3 stated state VBN 33154 631 4 upon upon IN 33154 631 5 p. p. NN 33154 631 6 31 31 CD 33154 631 7 , , , 33154 631 8 that that IN 33154 631 9 , , , 33154 631 10 when when WRB 33154 631 11 a a DT 33154 631 12 current current NN 33154 631 13 of of IN 33154 631 14 electricity electricity NN 33154 631 15 is be VBZ 33154 631 16 passed pass VBN 33154 631 17 through through IN 33154 631 18 a a DT 33154 631 19 coil coil NN 33154 631 20 of of IN 33154 631 21 wire wire NN 33154 631 22 that that WDT 33154 631 23 surrounds surround VBZ 33154 631 24 a a DT 33154 631 25 rod rod NN 33154 631 26 of of IN 33154 631 27 soft soft JJ 33154 631 28 iron iron NN 33154 631 29 , , , 33154 631 30 the the DT 33154 631 31 latter latter NN 33154 631 32 is be VBZ 33154 631 33 made make VBN 33154 631 34 a a DT 33154 631 35 temporary temporary JJ 33154 631 36 magnet magnet NN 33154 631 37 : : : 33154 631 38 it -PRON- PRP 33154 631 39 loses lose VBZ 33154 631 40 its -PRON- PRP$ 33154 631 41 magnetic magnetic JJ 33154 631 42 property property NN 33154 631 43 the the DT 33154 631 44 instant instant NN 33154 631 45 that that IN 33154 631 46 the the DT 33154 631 47 current current JJ 33154 631 48 ceases cease NNS 33154 631 49 . . . 33154 632 1 If if IN 33154 632 2 the the DT 33154 632 3 rod rod NN 33154 632 4 be be VBP 33154 632 5 of of IN 33154 632 6 considerable considerable JJ 33154 632 7 size size NN 33154 632 8 , , , 33154 632 9 say say VBP 33154 632 10 a a DT 33154 632 11 foot foot NN 33154 632 12 or or CC 33154 632 13 more more JJR 33154 632 14 in in IN 33154 632 15 length length NN 33154 632 16 , , , 33154 632 17 and and CC 33154 632 18 half half PDT 33154 632 19 an an DT 33154 632 20 inch inch NN 33154 632 21 or or CC 33154 632 22 more more JJR 33154 632 23 in in IN 33154 632 24 diameter diameter NN 33154 632 25 , , , 33154 632 26 and and CC 33154 632 27 the the DT 33154 632 28 current current JJ 33154 632 29 be be VB 33154 632 30 strong strong JJ 33154 632 31 enough enough RB 33154 632 32 to to TO 33154 632 33 make make VB 33154 632 34 a a DT 33154 632 35 powerful powerful JJ 33154 632 36 magnet magnet NN 33154 632 37 of of IN 33154 632 38 it -PRON- PRP 33154 632 39 , , , 33154 632 40 whenever whenever WRB 33154 632 41 the the DT 33154 632 42 current current NN 33154 632 43 from from IN 33154 632 44 the the DT 33154 632 45 battery battery NN 33154 632 46 is be VBZ 33154 632 47 broken break VBN 33154 632 48 , , , 33154 632 49 the the DT 33154 632 50 bar bar NN 33154 632 51 may may MD 33154 632 52 be be VB 33154 632 53 heard hear VBN 33154 632 54 to to TO 33154 632 55 give give VB 33154 632 56 out out RP 33154 632 57 a a DT 33154 632 58 single single JJ 33154 632 59 _ _ NNP 33154 632 60 click click NN 33154 632 61 _ _ NNP 33154 632 62 . . . 33154 633 1 This this DT 33154 633 2 will will MD 33154 633 3 happen happen VB 33154 633 4 as as RB 33154 633 5 often often RB 33154 633 6 as as IN 33154 633 7 the the DT 33154 633 8 current current NN 33154 633 9 is be VBZ 33154 633 10 broken break VBN 33154 633 11 . . . 33154 634 1 This this DT 33154 634 2 is be VBZ 33154 634 3 occasioned occasion VBN 33154 634 4 by by IN 33154 634 5 a a DT 33154 634 6 molecular molecular JJ 33154 634 7 movement movement NN 33154 634 8 which which WDT 33154 634 9 results result VBZ 33154 634 10 in in IN 33154 634 11 a a DT 33154 634 12 _ _ NNP 33154 634 13 change change NN 33154 634 14 _ _ NNP 33154 634 15 of of IN 33154 634 16 _ _ NNP 33154 634 17 length length NN 33154 634 18 _ _ NNP 33154 634 19 of of IN 33154 634 20 the the DT 33154 634 21 bar bar NN 33154 634 22 . . . 33154 635 1 When when WRB 33154 635 2 it -PRON- PRP 33154 635 3 is be VBZ 33154 635 4 made make VBN 33154 635 5 a a DT 33154 635 6 magnet magnet NN 33154 635 7 , , , 33154 635 8 it -PRON- PRP 33154 635 9 elongates elongate VBZ 33154 635 10 about about IN 33154 635 11 1/25000 1/25000 CD 33154 635 12 of of IN 33154 635 13 its -PRON- PRP$ 33154 635 14 length length NN 33154 635 15 ; ; : 33154 635 16 and and CC 33154 635 17 , , , 33154 635 18 when when WRB 33154 635 19 it -PRON- PRP 33154 635 20 loses lose VBZ 33154 635 21 its -PRON- PRP$ 33154 635 22 magnetism magnetism NN 33154 635 23 , , , 33154 635 24 it -PRON- PRP 33154 635 25 _ _ NNP 33154 635 26 suddenly suddenly RB 33154 635 27 _ _ NNP 33154 635 28 regains regain VBZ 33154 635 29 its -PRON- PRP$ 33154 635 30 original original JJ 33154 635 31 length length NN 33154 635 32 ; ; : 33154 635 33 and and CC 33154 635 34 this this DT 33154 635 35 change change NN 33154 635 36 is be VBZ 33154 635 37 accompanied accompany VBN 33154 635 38 with with IN 33154 635 39 the the DT 33154 635 40 sound sound NN 33154 635 41 . . . 33154 636 1 This this DT 33154 636 2 sound sound NN 33154 636 3 was be VBD 33154 636 4 first first RB 33154 636 5 noticed notice VBN 33154 636 6 by by IN 33154 636 7 Prof. Prof. NNP 33154 636 8 C. C. NNP 33154 636 9 G. G. NNP 33154 636 10 Page Page NNP 33154 636 11 of of IN 33154 636 12 Salem Salem NNP 33154 636 13 , , , 33154 636 14 Mass. Massachusetts NNP 33154 636 15 , , , 33154 636 16 in in IN 33154 636 17 1837 1837 CD 33154 636 18 . . . 33154 637 1 If if IN 33154 637 2 some some DT 33154 637 3 means mean NNS 33154 637 4 be be VB 33154 637 5 devised devise VBN 33154 637 6 for for IN 33154 637 7 breaking break VBG 33154 637 8 such such PDT 33154 637 9 a a DT 33154 637 10 circuit circuit NN 33154 637 11 more more JJR 33154 637 12 than than IN 33154 637 13 fifteen fifteen CD 33154 637 14 or or CC 33154 637 15 sixteen sixteen CD 33154 637 16 times time NNS 33154 637 17 a a DT 33154 637 18 second second JJ 33154 637 19 , , , 33154 637 20 we -PRON- PRP 33154 637 21 shall shall MD 33154 637 22 have have VB 33154 637 23 a a DT 33154 637 24 continuous continuous JJ 33154 637 25 sound sound NN 33154 637 26 with with IN 33154 637 27 a a DT 33154 637 28 pitch pitch NN 33154 637 29 depending depend VBG 33154 637 30 upon upon IN 33154 637 31 the the DT 33154 637 32 number number NN 33154 637 33 of of IN 33154 637 34 clicks click NNS 33154 637 35 per per IN 33154 637 36 second second NN 33154 637 37 . . . 33154 638 1 Such such PDT 33154 638 2 a a DT 33154 638 3 device device NN 33154 638 4 was be VBD 33154 638 5 first first RB 33154 638 6 invented invent VBN 33154 638 7 by by IN 33154 638 8 the the DT 33154 638 9 same same JJ 33154 638 10 man man NN 33154 638 11 , , , 33154 638 12 and and CC 33154 638 13 was be VBD 33154 638 14 accomplished accomplish VBN 33154 638 15 by by IN 33154 638 16 fixing fix VBG 33154 638 17 the the DT 33154 638 18 armature armature NN 33154 638 19 of of IN 33154 638 20 an an DT 33154 638 21 electro electro JJ 33154 638 22 - - HYPH 33154 638 23 magnet magnet NN 33154 638 24 to to IN 33154 638 25 a a DT 33154 638 26 spring spring NN 33154 638 27 which which WDT 33154 638 28 was be VBD 33154 638 29 in in IN 33154 638 30 the the DT 33154 638 31 circuit circuit NN 33154 638 32 when when WRB 33154 638 33 the the DT 33154 638 34 spring spring NN 33154 638 35 was be VBD 33154 638 36 pressing press VBG 33154 638 37 against against IN 33154 638 38 a a DT 33154 638 39 metallic metallic JJ 33154 638 40 knob knob NN 33154 638 41 , , , 33154 638 42 at at IN 33154 638 43 which which WDT 33154 638 44 time time NN 33154 638 45 the the DT 33154 638 46 current current NN 33154 638 47 made make VBD 33154 638 48 the the DT 33154 638 49 circuit circuit NN 33154 638 50 in in IN 33154 638 51 the the DT 33154 638 52 coil coil NN 33154 638 53 of of IN 33154 638 54 the the DT 33154 638 55 electro electro JJ 33154 638 56 - - HYPH 33154 638 57 magnet magnet NN 33154 638 58 . . . 33154 639 1 The the DT 33154 639 2 magnet magnet NN 33154 639 3 attracting attract VBG 33154 639 4 the the DT 33154 639 5 armature armature NN 33154 639 6 away away RB 33154 639 7 from from IN 33154 639 8 the the DT 33154 639 9 button button NN 33154 639 10 broke break VBD 33154 639 11 the the DT 33154 639 12 circuit circuit NN 33154 639 13 , , , 33154 639 14 which which WDT 33154 639 15 of of IN 33154 639 16 course course NN 33154 639 17 destroyed destroy VBD 33154 639 18 the the DT 33154 639 19 magnetism magnetism NN 33154 639 20 of of IN 33154 639 21 the the DT 33154 639 22 magnet magnet NN 33154 639 23 , , , 33154 639 24 and and CC 33154 639 25 allowed allow VBD 33154 639 26 the the DT 33154 639 27 spring spring NN 33154 639 28 to to TO 33154 639 29 fly fly VB 33154 639 30 back back RB 33154 639 31 against against IN 33154 639 32 the the DT 33154 639 33 button button NN 33154 639 34 , , , 33154 639 35 to to TO 33154 639 36 complete complete VB 33154 639 37 the the DT 33154 639 38 circuit circuit NN 33154 639 39 and and CC 33154 639 40 reproduce reproduce VB 33154 639 41 the the DT 33154 639 42 same same JJ 33154 639 43 series series NN 33154 639 44 of of IN 33154 639 45 changes change NNS 33154 639 46 . . . 33154 640 1 The the DT 33154 640 2 rapidity rapidity NN 33154 640 3 with with IN 33154 640 4 which which WDT 33154 640 5 the the DT 33154 640 6 current current NN 33154 640 7 may may MD 33154 640 8 be be VB 33154 640 9 broken break VBN 33154 640 10 in in IN 33154 640 11 this this DT 33154 640 12 way way NN 33154 640 13 is be VBZ 33154 640 14 only only RB 33154 640 15 limited limit VBN 33154 640 16 by by IN 33154 640 17 the the DT 33154 640 18 strength strength NN 33154 640 19 of of IN 33154 640 20 both both DT 33154 640 21 spring spring NN 33154 640 22 and and CC 33154 640 23 current current NN 33154 640 24 . . . 33154 641 1 The the DT 33154 641 2 greater great JJR 33154 641 3 the the DT 33154 641 4 tension tension NN 33154 641 5 of of IN 33154 641 6 the the DT 33154 641 7 spring spring NN 33154 641 8 with with IN 33154 641 9 a a DT 33154 641 10 given give VBN 33154 641 11 current current NN 33154 641 12 , , , 33154 641 13 the the DT 33154 641 14 greater great JJR 33154 641 15 number number NN 33154 641 16 of of IN 33154 641 17 vibrations vibration NNS 33154 641 18 will will MD 33154 641 19 it -PRON- PRP 33154 641 20 make make VB 33154 641 21 . . . 33154 642 1 [ [ -LRB- 33154 642 2 Illustration illustration NN 33154 642 3 : : : 33154 642 4 FIG FIG NNP 33154 642 5 . . . 33154 643 1 11 11 CD 33154 643 2 . . . 33154 643 3 ] ] -RRB- 33154 644 1 Suppose suppose VB 33154 644 2 such such PDT 33154 644 3 an an DT 33154 644 4 intermittent intermittent JJ 33154 644 5 current current NN 33154 644 6 to to TO 33154 644 7 pass pass VB 33154 644 8 through through IN 33154 644 9 the the DT 33154 644 10 coil coil NN 33154 644 11 surrounding surround VBG 33154 644 12 the the DT 33154 644 13 soft soft JJ 33154 644 14 iron iron NN 33154 644 15 rod rod NN 33154 644 16 , , , 33154 644 17 256 256 CD 33154 644 18 times time NNS 33154 644 19 per per IN 33154 644 20 second second NN 33154 644 21 ; ; : 33154 644 22 then then RB 33154 644 23 the the DT 33154 644 24 rod rod NN 33154 644 25 would would MD 33154 644 26 evidently evidently RB 33154 644 27 give give VB 33154 644 28 256 256 CD 33154 644 29 clicks click NNS 33154 644 30 per per IN 33154 644 31 second second NN 33154 644 32 , , , 33154 644 33 which which WDT 33154 644 34 would would MD 33154 644 35 have have VB 33154 644 36 the the DT 33154 644 37 pitch pitch NN 33154 644 38 of of IN 33154 644 39 C. C. NNP 33154 644 40 When when WRB 33154 644 41 these these DT 33154 644 42 clicks click NNS 33154 644 43 are be VBP 33154 644 44 produced produce VBN 33154 644 45 in in IN 33154 644 46 the the DT 33154 644 47 rod rod NN 33154 644 48 hold hold NN 33154 644 49 in in IN 33154 644 50 the the DT 33154 644 51 hand hand NN 33154 644 52 , , , 33154 644 53 the the DT 33154 644 54 sound sound NN 33154 644 55 is be VBZ 33154 644 56 hardly hardly RB 33154 644 57 perceptible perceptible JJ 33154 644 58 , , , 33154 644 59 being be VBG 33154 644 60 like like IN 33154 644 61 that that DT 33154 644 62 of of IN 33154 644 63 a a DT 33154 644 64 sounding sound VBG 33154 644 65 tuning tuning NN 33154 644 66 - - HYPH 33154 644 67 fork fork NN 33154 644 68 when when WRB 33154 644 69 held hold VBN 33154 644 70 thus thus RB 33154 644 71 . . . 33154 645 1 In in IN 33154 645 2 order order NN 33154 645 3 to to TO 33154 645 4 strengthen strengthen VB 33154 645 5 it -PRON- PRP 33154 645 6 , , , 33154 645 7 it -PRON- PRP 33154 645 8 is be VBZ 33154 645 9 necessary necessary JJ 33154 645 10 to to TO 33154 645 11 place place VB 33154 645 12 it -PRON- PRP 33154 645 13 on on IN 33154 645 14 some some DT 33154 645 15 resonant resonant JJ 33154 645 16 surface surface NN 33154 645 17 . . . 33154 646 1 It -PRON- PRP 33154 646 2 is be VBZ 33154 646 3 customary customary JJ 33154 646 4 to to TO 33154 646 5 mount mount VB 33154 646 6 it -PRON- PRP 33154 646 7 upon upon IN 33154 646 8 an an DT 33154 646 9 oblong oblong JJ 33154 646 10 box box NN 33154 646 11 with with IN 33154 646 12 one one CD 33154 646 13 or or CC 33154 646 14 two two CD 33154 646 15 holes hole NNS 33154 646 16 in in IN 33154 646 17 its -PRON- PRP$ 33154 646 18 upper upper JJ 33154 646 19 surface surface NN 33154 646 20 , , , 33154 646 21 inasmuch inasmuch JJ 33154 646 22 as as IN 33154 646 23 such such PDT 33154 646 24 a a DT 33154 646 25 form form NN 33154 646 26 is be VBZ 33154 646 27 found find VBN 33154 646 28 to to TO 33154 646 29 give give VB 33154 646 30 a a DT 33154 646 31 louder loud JJR 33154 646 32 response response NN 33154 646 33 than than IN 33154 646 34 any any DT 33154 646 35 other other JJ 33154 646 36 , , , 33154 646 37 and and CC 33154 646 38 is be VBZ 33154 646 39 the the DT 33154 646 40 shape shape NN 33154 646 41 usually usually RB 33154 646 42 given give VBN 33154 646 43 to to IN 33154 646 44 Æolian æolian JJ 33154 646 45 harps harp NNS 33154 646 46 . . . 33154 647 1 The the DT 33154 647 2 accompanying accompanying JJ 33154 647 3 cut cut NN 33154 647 4 shows show VBZ 33154 647 5 the the DT 33154 647 6 combination combination NN 33154 647 7 of of IN 33154 647 8 battery battery NN 33154 647 9 B B NNP 33154 647 10 , , , 33154 647 11 the the DT 33154 647 12 circuit circuit NN 33154 647 13 - - HYPH 33154 647 14 breaker breaker NN 33154 647 15 , , , 33154 647 16 and and CC 33154 647 17 the the DT 33154 647 18 rod rod NN 33154 647 19 mounted mount VBN 33154 647 20 upon upon IN 33154 647 21 the the DT 33154 647 22 box box NN 33154 647 23 . . . 33154 648 1 The the DT 33154 648 2 wire wire NN 33154 648 3 W w NN 33154 648 4 may may MD 33154 648 5 evidently evidently RB 33154 648 6 be be VB 33154 648 7 of of IN 33154 648 8 any any DT 33154 648 9 length length NN 33154 648 10 , , , 33154 648 11 the the DT 33154 648 12 magnetized magnetized JJ 33154 648 13 rod rod NN 33154 648 14 and and CC 33154 648 15 box box NN 33154 648 16 responding respond VBG 33154 648 17 to to IN 33154 648 18 the the DT 33154 648 19 number number NN 33154 648 20 of of IN 33154 648 21 vibrations vibration NNS 33154 648 22 of of IN 33154 648 23 the the DT 33154 648 24 spring spring NN 33154 648 25 S S NNP 33154 648 26 , , , 33154 648 27 how how WRB 33154 648 28 long long RB 33154 648 29 soever soever VBP 33154 648 30 the the DT 33154 648 31 circuit circuit NN 33154 648 32 may may MD 33154 648 33 be be VB 33154 648 34 . . . 33154 649 1 HELMHOLTZ helmholtz FW 33154 649 2 ' ' POS 33154 649 3 ELECTRIC ELECTRIC NNP 33154 649 4 INTERRUPTOR INTERRUPTOR NNP 33154 649 5 . . . 33154 650 1 In in IN 33154 650 2 some some DT 33154 650 3 of of IN 33154 650 4 Helmholtz Helmholtz NNP 33154 650 5 ' ' POS 33154 650 6 experiments experiment NNS 33154 650 7 , , , 33154 650 8 it -PRON- PRP 33154 650 9 was be VBD 33154 650 10 essential essential JJ 33154 650 11 to to TO 33154 650 12 maintain maintain VB 33154 650 13 the the DT 33154 650 14 vibrations vibration NNS 33154 650 15 of of IN 33154 650 16 a a DT 33154 650 17 tuning tuning NN 33154 650 18 - - HYPH 33154 650 19 fork fork NN 33154 650 20 for for IN 33154 650 21 a a DT 33154 650 22 considerable considerable JJ 33154 650 23 time time NN 33154 650 24 . . . 33154 651 1 He -PRON- PRP 33154 651 2 effected effect VBD 33154 651 3 this this DT 33154 651 4 by by IN 33154 651 5 placing place VBG 33154 651 6 a a DT 33154 651 7 short short JJ 33154 651 8 electro electro JJ 33154 651 9 - - HYPH 33154 651 10 magnet magnet NN 33154 651 11 between between IN 33154 651 12 the the DT 33154 651 13 prongs prong NNS 33154 651 14 of of IN 33154 651 15 the the DT 33154 651 16 fork fork NN 33154 651 17 , , , 33154 651 18 and and CC 33154 651 19 affixing affix VBG 33154 651 20 a a DT 33154 651 21 platinum platinum NN 33154 651 22 point point NN 33154 651 23 at at IN 33154 651 24 the the DT 33154 651 25 end end NN 33154 651 26 of of IN 33154 651 27 one one CD 33154 651 28 prong prong NN 33154 651 29 in in IN 33154 651 30 such such PDT 33154 651 31 a a DT 33154 651 32 manner manner NN 33154 651 33 , , , 33154 651 34 that that IN 33154 651 35 , , , 33154 651 36 as as IN 33154 651 37 the the DT 33154 651 38 prong prong NN 33154 651 39 descended descend VBD 33154 651 40 in in IN 33154 651 41 its -PRON- PRP$ 33154 651 42 vibration vibration NN 33154 651 43 , , , 33154 651 44 the the DT 33154 651 45 platinum platinum NN 33154 651 46 point point NN 33154 651 47 dipped dip VBD 33154 651 48 into into IN 33154 651 49 a a DT 33154 651 50 small small JJ 33154 651 51 cup cup NN 33154 651 52 of of IN 33154 651 53 mercury mercury NN 33154 651 54 that that WDT 33154 651 55 completed complete VBD 33154 651 56 the the DT 33154 651 57 circuit circuit NN 33154 651 58 . . . 33154 652 1 When when WRB 33154 652 2 the the DT 33154 652 3 prong prong NN 33154 652 4 receded recede VBD 33154 652 5 , , , 33154 652 6 it -PRON- PRP 33154 652 7 was be VBD 33154 652 8 of of IN 33154 652 9 course course NN 33154 652 10 withdrawn withdraw VBN 33154 652 11 from from IN 33154 652 12 the the DT 33154 652 13 mercury mercury NN 33154 652 14 , , , 33154 652 15 and and CC 33154 652 16 the the DT 33154 652 17 current current NN 33154 652 18 was be VBD 33154 652 19 broken break VBN 33154 652 20 . . . 33154 653 1 As as IN 33154 653 2 it -PRON- PRP 33154 653 3 is be VBZ 33154 653 4 not not RB 33154 653 5 possible possible JJ 33154 653 6 for for IN 33154 653 7 a a DT 33154 653 8 tuning tuning NN 33154 653 9 - - HYPH 33154 653 10 fork fork NN 33154 653 11 to to TO 33154 653 12 vibrate vibrate VB 33154 653 13 in in IN 33154 653 14 more more JJR 33154 653 15 than than IN 33154 653 16 one one CD 33154 653 17 period period NN 33154 653 18 , , , 33154 653 19 such such PDT 33154 653 20 an an DT 33154 653 21 arrangement arrangement NN 33154 653 22 would would MD 33154 653 23 evidently evidently RB 33154 653 24 make make VB 33154 653 25 and and CC 33154 653 26 break break VB 33154 653 27 the the DT 33154 653 28 current current JJ 33154 653 29 as as IN 33154 653 30 many many JJ 33154 653 31 times time NNS 33154 653 32 per per IN 33154 653 33 second second RB 33154 653 34 as as IN 33154 653 35 the the DT 33154 653 36 fork fork NN 33154 653 37 vibrated vibrate VBD 33154 653 38 . . . 33154 654 1 When when WRB 33154 654 2 , , , 33154 654 3 therefore therefore RB 33154 654 4 , , , 33154 654 5 such such PDT 33154 654 6 an an DT 33154 654 7 interruptor interruptor NN 33154 654 8 is be VBZ 33154 654 9 inserted insert VBN 33154 654 10 in in IN 33154 654 11 the the DT 33154 654 12 circuit circuit NN 33154 654 13 with with IN 33154 654 14 the the DT 33154 654 15 click click NN 33154 654 16 - - HYPH 33154 654 17 rod rod NN 33154 654 18 on on IN 33154 654 19 its -PRON- PRP$ 33154 654 20 resonant resonant JJ 33154 654 21 box box NN 33154 654 22 , , , 33154 654 23 the the DT 33154 654 24 latter latter JJ 33154 654 25 must must MD 33154 654 26 give give VB 33154 654 27 out out RP 33154 654 28 just just RB 33154 654 29 such such PDT 33154 654 30 a a DT 33154 654 31 sound sound NN 33154 654 32 as as IN 33154 654 33 the the DT 33154 654 34 fork fork NN 33154 654 35 is be VBZ 33154 654 36 giving give VBG 33154 654 37 . . . 33154 655 1 With with IN 33154 655 2 such such PDT 33154 655 3 a a DT 33154 655 4 device device NN 33154 655 5 , , , 33154 655 6 it -PRON- PRP 33154 655 7 is be VBZ 33154 655 8 possible possible JJ 33154 655 9 to to TO 33154 655 10 reproduce reproduce VB 33154 655 11 at at IN 33154 655 12 almost almost RB 33154 655 13 any any DT 33154 655 14 distance distance NN 33154 655 15 in in IN 33154 655 16 a a DT 33154 655 17 telegraphic telegraphic JJ 33154 655 18 circuit circuit NN 33154 655 19 , , , 33154 655 20 a a DT 33154 655 21 sound sound NN 33154 655 22 of of IN 33154 655 23 a a DT 33154 655 24 given give VBN 33154 655 25 pitch pitch NN 33154 655 26 . . . 33154 656 1 It -PRON- PRP 33154 656 2 is be VBZ 33154 656 3 therefore therefore RB 33154 656 4 a a DT 33154 656 5 true true JJ 33154 656 6 telephone telephone NN 33154 656 7 . . . 33154 657 1 REISS REISS NNP 33154 657 2 ' ' POS 33154 657 3 TELEPHONE telephone NN 33154 657 4 . . . 33154 658 1 The the DT 33154 658 2 ease ease NN 33154 658 3 with with IN 33154 658 4 which which WDT 33154 658 5 membranes membrane NNS 33154 658 6 are be VBP 33154 658 7 thrown throw VBN 33154 658 8 into into IN 33154 658 9 vibrations vibration NNS 33154 658 10 corresponding correspond VBG 33154 658 11 in in IN 33154 658 12 period period NN 33154 658 13 to to IN 33154 658 14 that that DT 33154 658 15 of of IN 33154 658 16 the the DT 33154 658 17 sounding sound VBG 33154 658 18 body body NN 33154 658 19 has have VBZ 33154 658 20 already already RB 33154 658 21 been be VBN 33154 658 22 alluded allude VBN 33154 658 23 to to IN 33154 658 24 on on IN 33154 658 25 p. p. NN 33154 658 26 80 80 CD 33154 658 27 ; ; : 33154 658 28 and and CC 33154 658 29 several several JJ 33154 658 30 attempts attempt NNS 33154 658 31 have have VBP 33154 658 32 been be VBN 33154 658 33 made make VBN 33154 658 34 , , , 33154 658 35 at at IN 33154 658 36 different different JJ 33154 658 37 times time NNS 33154 658 38 , , , 33154 658 39 to to TO 33154 658 40 make make VB 33154 658 41 membranes membrane NNS 33154 658 42 available available JJ 33154 658 43 in in IN 33154 658 44 telephony telephony NN 33154 658 45 . . . 33154 659 1 The the DT 33154 659 2 first first JJ 33154 659 3 of of IN 33154 659 4 these these DT 33154 659 5 attempts attempt NNS 33154 659 6 was be VBD 33154 659 7 made make VBN 33154 659 8 by by IN 33154 659 9 Philip Philip NNP 33154 659 10 Reiss Reiss NNP 33154 659 11 of of IN 33154 659 12 Friedrichsdorf Friedrichsdorf NNP 33154 659 13 , , , 33154 659 14 Germany Germany NNP 33154 659 15 , , , 33154 659 16 in in IN 33154 659 17 1861 1861 CD 33154 659 18 . . . 33154 660 1 His -PRON- PRP$ 33154 660 2 apparatus apparatus NN 33154 660 3 consisted consist VBD 33154 660 4 of of IN 33154 660 5 a a DT 33154 660 6 hollow hollow JJ 33154 660 7 box box NN 33154 660 8 , , , 33154 660 9 with with IN 33154 660 10 two two CD 33154 660 11 apertures aperture NNS 33154 660 12 : : : 33154 660 13 one one CD 33154 660 14 in in IN 33154 660 15 front front NN 33154 660 16 , , , 33154 660 17 in in IN 33154 660 18 which which WDT 33154 660 19 was be VBD 33154 660 20 inserted insert VBN 33154 660 21 a a DT 33154 660 22 short short JJ 33154 660 23 tube tube NN 33154 660 24 for for IN 33154 660 25 producing produce VBG 33154 660 26 the the DT 33154 660 27 sound sound NN 33154 660 28 in in RP 33154 660 29 , , , 33154 660 30 and and CC 33154 660 31 indicated indicate VBN 33154 660 32 by by IN 33154 660 33 the the DT 33154 660 34 arrow arrow NN 33154 660 35 in in IN 33154 660 36 the the DT 33154 660 37 cut cut NN 33154 660 38 , , , 33154 660 39 Fig Fig NNP 33154 660 40 . . . 33154 661 1 12 12 CD 33154 661 2 ; ; : 33154 661 3 the the DT 33154 661 4 other other JJ 33154 661 5 on on IN 33154 661 6 the the DT 33154 661 7 top top NN 33154 661 8 . . . 33154 662 1 This this DT 33154 662 2 was be VBD 33154 662 3 covered cover VBN 33154 662 4 with with IN 33154 662 5 the the DT 33154 662 6 membrane membrane NN 33154 662 7 _ _ NNP 33154 662 8 m_,--a m_,--a NN 33154 662 9 piece piece NN 33154 662 10 of of IN 33154 662 11 bladder bladder NN 33154 662 12 stretched stretch VBD 33154 662 13 tight tight RB 33154 662 14 over over IN 33154 662 15 it -PRON- PRP 33154 662 16 . . . 33154 663 1 Upon upon IN 33154 663 2 the the DT 33154 663 3 middle middle NN 33154 663 4 of of IN 33154 663 5 the the DT 33154 663 6 membrane membrane NN 33154 663 7 , , , 33154 663 8 a a DT 33154 663 9 thin thin JJ 33154 663 10 piece piece NN 33154 663 11 of of IN 33154 663 12 platinum platinum NN 33154 663 13 was be VBD 33154 663 14 glued glue VBN 33154 663 15 ; ; : 33154 663 16 and and CC 33154 663 17 this this DT 33154 663 18 piece piece NN 33154 663 19 of of IN 33154 663 20 platinum platinum NN 33154 663 21 was be VBD 33154 663 22 connected connect VBN 33154 663 23 by by IN 33154 663 24 a a DT 33154 663 25 wire wire NN 33154 663 26 to to IN 33154 663 27 a a DT 33154 663 28 screw screw NN 33154 663 29 - - HYPH 33154 663 30 cup cup NN 33154 663 31 from from IN 33154 663 32 which which WDT 33154 663 33 another another DT 33154 663 34 wire wire NN 33154 663 35 went go VBD 33154 663 36 to to IN 33154 663 37 a a DT 33154 663 38 battery battery NN 33154 663 39 . . . 33154 664 1 [ [ -LRB- 33154 664 2 Illustration illustration NN 33154 664 3 : : : 33154 664 4 FIG FIG NNP 33154 664 5 . . . 33154 665 1 12 12 CD 33154 665 2 . . . 33154 665 3 ] ] -RRB- 33154 666 1 A a DT 33154 666 2 platinum platinum NN 33154 666 3 finger finger NN 33154 666 4 , , , 33154 666 5 S S NNP 33154 666 6 , , , 33154 666 7 rested rest VBN 33154 666 8 upon upon IN 33154 666 9 the the DT 33154 666 10 strip strip NN 33154 666 11 of of IN 33154 666 12 platinum platinum NN 33154 666 13 , , , 33154 666 14 but but CC 33154 666 15 was be VBD 33154 666 16 made make VBN 33154 666 17 fast fast JJ 33154 666 18 at at IN 33154 666 19 one one CD 33154 666 20 end end NN 33154 666 21 to to IN 33154 666 22 the the DT 33154 666 23 screw screw NN 33154 666 24 - - HYPH 33154 666 25 cup cup NN 33154 666 26 that that WDT 33154 666 27 connected connect VBD 33154 666 28 with with IN 33154 666 29 the the DT 33154 666 30 other other JJ 33154 666 31 wire wire NN 33154 666 32 from from IN 33154 666 33 the the DT 33154 666 34 battery battery NN 33154 666 35 . . . 33154 667 1 Now now RB 33154 667 2 , , , 33154 667 3 when when WRB 33154 667 4 a a DT 33154 667 5 sound sound NN 33154 667 6 is be VBZ 33154 667 7 made make VBN 33154 667 8 in in IN 33154 667 9 the the DT 33154 667 10 box box NN 33154 667 11 , , , 33154 667 12 the the DT 33154 667 13 membrane membrane NN 33154 667 14 is be VBZ 33154 667 15 made make VBN 33154 667 16 to to TO 33154 667 17 vibrate vibrate VB 33154 667 18 powerfully powerfully RB 33154 667 19 : : : 33154 667 20 this this DT 33154 667 21 makes make VBZ 33154 667 22 the the DT 33154 667 23 platinum platinum NN 33154 667 24 strip strip NN 33154 667 25 to to TO 33154 667 26 strike strike VB 33154 667 27 as as RB 33154 667 28 often often RB 33154 667 29 upon upon IN 33154 667 30 the the DT 33154 667 31 platinum platinum NN 33154 667 32 finger finger NN 33154 667 33 , , , 33154 667 34 and and CC 33154 667 35 as as RB 33154 667 36 often often RB 33154 667 37 to to IN 33154 667 38 bound bind VBN 33154 667 39 away away RB 33154 667 40 from from IN 33154 667 41 it -PRON- PRP 33154 667 42 , , , 33154 667 43 thus thus RB 33154 667 44 making make VBG 33154 667 45 and and CC 33154 667 46 breaking break VBG 33154 667 47 the the DT 33154 667 48 current current NN 33154 667 49 the the DT 33154 667 50 same same JJ 33154 667 51 number number NN 33154 667 52 of of IN 33154 667 53 times time NNS 33154 667 54 per per IN 33154 667 55 second second NN 33154 667 56 . . . 33154 668 1 If if IN 33154 668 2 , , , 33154 668 3 then then RB 33154 668 4 , , , 33154 668 5 a a DT 33154 668 6 person person NN 33154 668 7 sings sing VBZ 33154 668 8 into into IN 33154 668 9 this this DT 33154 668 10 box box NN 33154 668 11 while while IN 33154 668 12 it -PRON- PRP 33154 668 13 is be VBZ 33154 668 14 in in IN 33154 668 15 circuit circuit NN 33154 668 16 with with IN 33154 668 17 the the DT 33154 668 18 afore afore RB 33154 668 19 - - HYPH 33154 668 20 mentioned mention VBN 33154 668 21 click click JJ 33154 668 22 - - HYPH 33154 668 23 rod rod NN 33154 668 24 and and CC 33154 668 25 box box NN 33154 668 26 , , , 33154 668 27 the the DT 33154 668 28 latter latter JJ 33154 668 29 will will MD 33154 668 30 evidently evidently RB 33154 668 31 change change VB 33154 668 32 its -PRON- PRP$ 33154 668 33 pitch pitch NN 33154 668 34 as as RB 33154 668 35 often often RB 33154 668 36 as as IN 33154 668 37 it -PRON- PRP 33154 668 38 is be VBZ 33154 668 39 changed change VBN 33154 668 40 by by IN 33154 668 41 the the DT 33154 668 42 voice voice NN 33154 668 43 . . . 33154 669 1 In in IN 33154 669 2 this this DT 33154 669 3 apparatus apparatus NN 33154 669 4 we -PRON- PRP 33154 669 5 have have VBP 33154 669 6 a a DT 33154 669 7 telephone telephone NN 33154 669 8 with with IN 33154 669 9 which which WDT 33154 669 10 a a DT 33154 669 11 melody melody NN 33154 669 12 may may MD 33154 669 13 be be VB 33154 669 14 reproduced reproduce VBN 33154 669 15 at at IN 33154 669 16 a a DT 33154 669 17 distance distance NN 33154 669 18 with with IN 33154 669 19 distinctness distinctness NN 33154 669 20 . . . 33154 670 1 But but CC 33154 670 2 the the DT 33154 670 3 sounds sound NNS 33154 670 4 are be VBP 33154 670 5 not not RB 33154 670 6 loud loud JJ 33154 670 7 , , , 33154 670 8 and and CC 33154 670 9 they -PRON- PRP 33154 670 10 have have VBP 33154 670 11 a a DT 33154 670 12 tin tin JJ 33154 670 13 - - HYPH 33154 670 14 trumpet trumpet NN 33154 670 15 quality quality NN 33154 670 16 . . . 33154 671 1 If if IN 33154 671 2 one one PRP 33154 671 3 reflects reflect VBZ 33154 671 4 upon upon IN 33154 671 5 the the DT 33154 671 6 possibilities possibility NNS 33154 671 7 of of IN 33154 671 8 such such PDT 33154 671 9 a a DT 33154 671 10 mechanism mechanism NN 33154 671 11 , , , 33154 671 12 and and CC 33154 671 13 upon upon IN 33154 671 14 the the DT 33154 671 15 conditions condition NNS 33154 671 16 necessary necessary JJ 33154 671 17 to to TO 33154 671 18 produce produce VB 33154 671 19 a a DT 33154 671 20 sound sound NN 33154 671 21 of of IN 33154 671 22 any any DT 33154 671 23 given give VBN 33154 671 24 quality quality NN 33154 671 25 , , , 33154 671 26 as as IN 33154 671 27 that that DT 33154 671 28 of of IN 33154 671 29 the the DT 33154 671 30 voice voice NN 33154 671 31 or or CC 33154 671 32 of of IN 33154 671 33 a a DT 33154 671 34 musical musical JJ 33154 671 35 instrument instrument NN 33154 671 36 as as IN 33154 671 37 described describe VBN 33154 671 38 in in IN 33154 671 39 preceding precede VBG 33154 671 40 pages page NNS 33154 671 41 , , , 33154 671 42 he -PRON- PRP 33154 671 43 will will MD 33154 671 44 understand understand VB 33154 671 45 that that IN 33154 671 46 it -PRON- PRP 33154 671 47 can can MD 33154 671 48 reproduce reproduce VB 33154 671 49 only only JJ 33154 671 50 pitch pitch NN 33154 671 51 . . . 33154 672 1 It -PRON- PRP 33154 672 2 might may MD 33154 672 3 here here RB 33154 672 4 be be VB 33154 672 5 inferred infer VBN 33154 672 6 that that IN 33154 672 7 something something NN 33154 672 8 more more JJR 33154 672 9 than than IN 33154 672 10 a a DT 33154 672 11 single single JJ 33154 672 12 pitch pitch NN 33154 672 13 is be VBZ 33154 672 14 transmitted transmit VBN 33154 672 15 if if IN 33154 672 16 the the DT 33154 672 17 sound sound NN 33154 672 18 is be VBZ 33154 672 19 like like IN 33154 672 20 that that DT 33154 672 21 of of IN 33154 672 22 a a DT 33154 672 23 tin tin JJ 33154 672 24 trumpet trumpet NN 33154 672 25 as as IN 33154 672 26 stated state VBN 33154 672 27 : : : 33154 672 28 but but CC 33154 672 29 the the DT 33154 672 30 reason reason NN 33154 672 31 of of IN 33154 672 32 this this DT 33154 672 33 is be VBZ 33154 672 34 that that IN 33154 672 35 , , , 33154 672 36 whenever whenever WRB 33154 672 37 a a DT 33154 672 38 current current NN 33154 672 39 is be VBZ 33154 672 40 passing pass VBG 33154 672 41 between between IN 33154 672 42 two two CD 33154 672 43 surfaces surface NNS 33154 672 44 that that WDT 33154 672 45 can can MD 33154 672 46 move move VB 33154 672 47 only only RB 33154 672 48 slightly slightly RB 33154 672 49 on on IN 33154 672 50 each each DT 33154 672 51 other other JJ 33154 672 52 , , , 33154 672 53 there there EX 33154 672 54 is be VBZ 33154 672 55 always always RB 33154 672 56 an an DT 33154 672 57 irregularity irregularity NN 33154 672 58 in in IN 33154 672 59 the the DT 33154 672 60 conduction conduction NN 33154 672 61 , , , 33154 672 62 so so IN 33154 672 63 as as IN 33154 672 64 to to TO 33154 672 65 produce produce VB 33154 672 66 a a DT 33154 672 67 kind kind NN 33154 672 68 of of IN 33154 672 69 scratching scratching NN 33154 672 70 sound sound NN 33154 672 71 ; ; , 33154 672 72 and and CC 33154 672 73 it -PRON- PRP 33154 672 74 is be VBZ 33154 672 75 this this DT 33154 672 76 , , , 33154 672 77 combined combine VBN 33154 672 78 with with IN 33154 672 79 the the DT 33154 672 80 other other JJ 33154 672 81 , , , 33154 672 82 the the DT 33154 672 83 true true JJ 33154 672 84 pitch pitch NN 33154 672 85 , , , 33154 672 86 that that WDT 33154 672 87 gives give VBZ 33154 672 88 the the DT 33154 672 89 character character NN 33154 672 90 to to IN 33154 672 91 the the DT 33154 672 92 sound sound NN 33154 672 93 of of IN 33154 672 94 this this DT 33154 672 95 instrument instrument NN 33154 672 96 . . . 33154 673 1 Dr. Dr. NNP 33154 673 2 Wright Wright NNP 33154 673 3 found find VBD 33154 673 4 that that IN 33154 673 5 a a DT 33154 673 6 sound sound NN 33154 673 7 of of IN 33154 673 8 considerable considerable JJ 33154 673 9 intensity intensity NN 33154 673 10 could could MD 33154 673 11 be be VB 33154 673 12 obtained obtain VBN 33154 673 13 by by IN 33154 673 14 passing pass VBG 33154 673 15 the the DT 33154 673 16 interrupted interrupt VBN 33154 673 17 current current NN 33154 673 18 through through IN 33154 673 19 the the DT 33154 673 20 primary primary JJ 33154 673 21 wire wire NN 33154 673 22 of of IN 33154 673 23 a a DT 33154 673 24 small small JJ 33154 673 25 induction induction NN 33154 673 26 coil coil NN 33154 673 27 , , , 33154 673 28 and and CC 33154 673 29 placing place VBG 33154 673 30 a a DT 33154 673 31 conductor conductor NN 33154 673 32 made make VBN 33154 673 33 of of IN 33154 673 34 two two CD 33154 673 35 sheets sheet NNS 33154 673 36 of of IN 33154 673 37 silvered silver VBN 33154 673 38 paper paper NN 33154 673 39 placed place VBN 33154 673 40 back back RB 33154 673 41 to to IN 33154 673 42 back back RB 33154 673 43 in in IN 33154 673 44 the the DT 33154 673 45 secondary secondary JJ 33154 673 46 circuit circuit NN 33154 673 47 . . . 33154 674 1 The the DT 33154 674 2 silvered silvered JJ 33154 674 3 paper paper NN 33154 674 4 becomes become VBZ 33154 674 5 rapidly rapidly RB 33154 674 6 charged charge VBN 33154 674 7 and and CC 33154 674 8 discharged discharge VBN 33154 674 9 , , , 33154 674 10 making make VBG 33154 674 11 a a DT 33154 674 12 sound sound NN 33154 674 13 that that WDT 33154 674 14 can can MD 33154 674 15 be be VB 33154 674 16 heard hear VBN 33154 674 17 over over IN 33154 674 18 a a DT 33154 674 19 large large JJ 33154 674 20 hall hall NN 33154 674 21 , , , 33154 674 22 and and CC 33154 674 23 having have VBG 33154 674 24 the the DT 33154 674 25 same same JJ 33154 674 26 pitch pitch NN 33154 674 27 as as IN 33154 674 28 the the DT 33154 674 29 sending send VBG 33154 674 30 instrument instrument NN 33154 674 31 . . . 33154 675 1 GRAY GRAY NNP 33154 675 2 'S 'S NNP 33154 675 3 TELEPHONES telephone NNS 33154 675 4 . . . 33154 676 1 In in IN 33154 676 2 1873 1873 CD 33154 676 3 Mr. Mr. NNP 33154 676 4 Elisha Elisha NNP 33154 676 5 Gray Gray NNP 33154 676 6 of of IN 33154 676 7 Chicago Chicago NNP 33154 676 8 discovered discover VBD 33154 676 9 that that IN 33154 676 10 if if IN 33154 676 11 an an DT 33154 676 12 induction induction NN 33154 676 13 coil coil NN 33154 676 14 be be VB 33154 676 15 made make VBN 33154 676 16 to to TO 33154 676 17 operate operate VB 33154 676 18 by by IN 33154 676 19 the the DT 33154 676 20 current current NN 33154 676 21 from from IN 33154 676 22 any any DT 33154 676 23 automatic automatic JJ 33154 676 24 circuit circuit NN 33154 676 25 - - HYPH 33154 676 26 breaker breaker NN 33154 676 27 , , , 33154 676 28 and and CC 33154 676 29 one one CD 33154 676 30 of of IN 33154 676 31 the the DT 33154 676 32 wires wire NNS 33154 676 33 from from IN 33154 676 34 the the DT 33154 676 35 secondary secondary JJ 33154 676 36 circuit circuit NN 33154 676 37 be be VB 33154 676 38 held hold VBN 33154 676 39 in in IN 33154 676 40 the the DT 33154 676 41 hand hand NN 33154 676 42 while while IN 33154 676 43 the the DT 33154 676 44 dry dry JJ 33154 676 45 finger finger NN 33154 676 46 of of IN 33154 676 47 the the DT 33154 676 48 same same JJ 33154 676 49 hand hand NN 33154 676 50 is be VBZ 33154 676 51 rubbed rub VBN 33154 676 52 upon upon IN 33154 676 53 a a DT 33154 676 54 sonorous sonorous JJ 33154 676 55 metallic metallic JJ 33154 676 56 plate plate NN 33154 676 57 , , , 33154 676 58 the the DT 33154 676 59 other other JJ 33154 676 60 wire wire NN 33154 676 61 being be VBG 33154 676 62 in in IN 33154 676 63 connection connection NN 33154 676 64 with with IN 33154 676 65 the the DT 33154 676 66 plate plate NN 33154 676 67 , , , 33154 676 68 a a DT 33154 676 69 musical musical JJ 33154 676 70 sound sound NN 33154 676 71 would would MD 33154 676 72 be be VB 33154 676 73 given give VBN 33154 676 74 out out RP 33154 676 75 by by IN 33154 676 76 the the DT 33154 676 77 plate plate NN 33154 676 78 , , , 33154 676 79 appearing appear VBG 33154 676 80 to to TO 33154 676 81 come come VB 33154 676 82 from from IN 33154 676 83 the the DT 33154 676 84 point point NN 33154 676 85 of of IN 33154 676 86 contact contact NN 33154 676 87 of of IN 33154 676 88 the the DT 33154 676 89 finger finger NN 33154 676 90 with with IN 33154 676 91 the the DT 33154 676 92 plate plate NN 33154 676 93 . . . 33154 677 1 He -PRON- PRP 33154 677 2 therefore therefore RB 33154 677 3 contrived contrive VBD 33154 677 4 a a DT 33154 677 5 musical musical JJ 33154 677 6 instrument instrument NN 33154 677 7 with with IN 33154 677 8 a a DT 33154 677 9 range range NN 33154 677 10 of of IN 33154 677 11 two two CD 33154 677 12 octaves octave NNS 33154 677 13 , , , 33154 677 14 in in IN 33154 677 15 which which WDT 33154 677 16 the the DT 33154 677 17 reeds reed NNS 33154 677 18 were be VBD 33154 677 19 made make VBN 33154 677 20 to to TO 33154 677 21 vibrate vibrate VB 33154 677 22 by by IN 33154 677 23 electro electro NNP 33154 677 24 magnets magnet NNS 33154 677 25 , , , 33154 677 26 the the DT 33154 677 27 current current NN 33154 677 28 entering enter VBG 33154 677 29 any any DT 33154 677 30 one one CD 33154 677 31 by by IN 33154 677 32 depressing depress VBG 33154 677 33 the the DT 33154 677 34 appropriate appropriate JJ 33154 677 35 key key NN 33154 677 36 . . . 33154 678 1 This this DT 33154 678 2 circuit circuit NN 33154 678 3 is be VBZ 33154 678 4 sent send VBN 33154 678 5 through through IN 33154 678 6 the the DT 33154 678 7 primary primary JJ 33154 678 8 wire wire NN 33154 678 9 of of IN 33154 678 10 an an DT 33154 678 11 induction induction NN 33154 678 12 coil coil NN 33154 678 13 while while IN 33154 678 14 one one CD 33154 678 15 of of IN 33154 678 16 the the DT 33154 678 17 terminals terminal NNS 33154 678 18 of of IN 33154 678 19 the the DT 33154 678 20 secondary secondary JJ 33154 678 21 coil coil NN 33154 678 22 is be VBZ 33154 678 23 connected connect VBN 33154 678 24 with with IN 33154 678 25 the the DT 33154 678 26 thin thin JJ 33154 678 27 sheet sheet NN 33154 678 28 metal metal NN 33154 678 29 that that WDT 33154 678 30 forms form VBZ 33154 678 31 one one CD 33154 678 32 head head NN 33154 678 33 of of IN 33154 678 34 a a DT 33154 678 35 shallow shallow JJ 33154 678 36 wooden wooden JJ 33154 678 37 drum drum NN 33154 678 38 about about IN 33154 678 39 eight eight CD 33154 678 40 inches inch NNS 33154 678 41 in in IN 33154 678 42 diameter diameter NN 33154 678 43 , , , 33154 678 44 which which WDT 33154 678 45 is be VBZ 33154 678 46 so so RB 33154 678 47 fixed fix VBN 33154 678 48 as as IN 33154 678 49 to to TO 33154 678 50 be be VB 33154 678 51 rotated rotate VBN 33154 678 52 like like IN 33154 678 53 a a DT 33154 678 54 pulley pulley NN 33154 678 55 . . . 33154 679 1 The the DT 33154 679 2 other other JJ 33154 679 3 terminal terminal NN 33154 679 4 is be VBZ 33154 679 5 held hold VBN 33154 679 6 in in IN 33154 679 7 the the DT 33154 679 8 hand hand NN 33154 679 9 while while IN 33154 679 10 one one CD 33154 679 11 finger finger NN 33154 679 12 of of IN 33154 679 13 the the DT 33154 679 14 same same JJ 33154 679 15 hand hand NN 33154 679 16 rests rest VBZ 33154 679 17 upon upon IN 33154 679 18 the the DT 33154 679 19 metallic metallic JJ 33154 679 20 surface surface NN 33154 679 21 . . . 33154 680 1 While while IN 33154 680 2 the the DT 33154 680 3 drum drum NN 33154 680 4 is be VBZ 33154 680 5 turned turn VBN 33154 680 6 with with IN 33154 680 7 the the DT 33154 680 8 other other JJ 33154 680 9 hand hand NN 33154 680 10 , , , 33154 680 11 the the DT 33154 680 12 sounds sound NNS 33154 680 13 given give VBN 33154 680 14 out out RP 33154 680 15 have have VBP 33154 680 16 considerable considerable JJ 33154 680 17 intensity intensity NN 33154 680 18 . . . 33154 681 1 The the DT 33154 681 2 faster fast JJR 33154 681 3 the the DT 33154 681 4 drum drum NN 33154 681 5 is be VBZ 33154 681 6 turned turn VBN 33154 681 7 , , , 33154 681 8 the the DT 33154 681 9 louder louder RBR 33154 681 10 do do VBP 33154 681 11 the the DT 33154 681 12 sounds sound NNS 33154 681 13 become become VBN 33154 681 14 , , , 33154 681 15 though though IN 33154 681 16 the the DT 33154 681 17 pitch pitch NN 33154 681 18 remains remain VBZ 33154 681 19 the the DT 33154 681 20 same same JJ 33154 681 21 . . . 33154 682 1 In in IN 33154 682 2 this this DT 33154 682 3 case case NN 33154 682 4 , , , 33154 682 5 as as IN 33154 682 6 in in IN 33154 682 7 the the DT 33154 682 8 case case NN 33154 682 9 mentioned mention VBN 33154 682 10 on on IN 33154 682 11 p. p. NN 33154 682 12 105 105 CD 33154 682 13 , , , 33154 682 14 we -PRON- PRP 33154 682 15 have have VBP 33154 682 16 an an DT 33154 682 17 electric electric JJ 33154 682 18 current current JJ 33154 682 19 passing passing NN 33154 682 20 between between IN 33154 682 21 two two CD 33154 682 22 surfaces surface NNS 33154 682 23 that that WDT 33154 682 24 are be VBP 33154 682 25 moving move VBG 33154 682 26 upon upon IN 33154 682 27 each each DT 33154 682 28 other other JJ 33154 682 29 ; ; : 33154 682 30 the the DT 33154 682 31 contact contact NN 33154 682 32 not not RB 33154 682 33 being be VBG 33154 682 34 uniform uniform JJ 33154 682 35 , , , 33154 682 36 the the DT 33154 682 37 current current NN 33154 682 38 is be VBZ 33154 682 39 varying vary VBG 33154 682 40 as as RB 33154 682 41 well well RB 33154 682 42 as as IN 33154 682 43 intermittent intermittent JJ 33154 682 44 . . . 33154 683 1 Mr. Mr. NNP 33154 683 2 Gray Gray NNP 33154 683 3 has have VBZ 33154 683 4 also also RB 33154 683 5 invented invent VBN 33154 683 6 a a DT 33154 683 7 musical musical JJ 33154 683 8 telephone telephone NN 33154 683 9 by by IN 33154 683 10 means mean NNS 33154 683 11 of of IN 33154 683 12 which which WDT 33154 683 13 many many JJ 33154 683 14 musical musical JJ 33154 683 15 sounds sound NNS 33154 683 16 may may MD 33154 683 17 be be VB 33154 683 18 simultaneously simultaneously RB 33154 683 19 transmitted transmit VBN 33154 683 20 and and CC 33154 683 21 reproduced reproduce VBN 33154 683 22 . . . 33154 684 1 The the DT 33154 684 2 actual actual JJ 33154 684 3 mechanism mechanism NN 33154 684 4 used use VBN 33154 684 5 is be VBZ 33154 684 6 quite quite RB 33154 684 7 complex complex JJ 33154 684 8 , , , 33154 684 9 and and CC 33154 684 10 requires require VBZ 33154 684 11 considerable considerable JJ 33154 684 12 familiarity familiarity NN 33154 684 13 with with IN 33154 684 14 electrical electrical JJ 33154 684 15 science science NN 33154 684 16 in in IN 33154 684 17 order order NN 33154 684 18 to to TO 33154 684 19 understand understand VB 33154 684 20 it -PRON- PRP 33154 684 21 ; ; : 33154 684 22 but but CC 33154 684 23 the the DT 33154 684 24 fundamental fundamental JJ 33154 684 25 principle principle NN 33154 684 26 involved involve VBN 33154 684 27 is be VBZ 33154 684 28 not not RB 33154 684 29 difficult difficult JJ 33154 684 30 to to IN 33154 684 31 one one CD 33154 684 32 who who WP 33154 684 33 has have VBZ 33154 684 34 comprehended comprehend VBN 33154 684 35 the the DT 33154 684 36 preceding precede VBG 33154 684 37 descriptions description NNS 33154 684 38 . . . 33154 685 1 Suppose suppose VB 33154 685 2 that that IN 33154 685 3 we -PRON- PRP 33154 685 4 have have VBP 33154 685 5 a a DT 33154 685 6 series series NN 33154 685 7 of of IN 33154 685 8 four four CD 33154 685 9 steel steel NN 33154 685 10 reeds reed NNS 33154 685 11 , , , 33154 685 12 each each DT 33154 685 13 one one NN 33154 685 14 fixed fix VBN 33154 685 15 at at IN 33154 685 16 one one CD 33154 685 17 end end NN 33154 685 18 to to IN 33154 685 19 one one CD 33154 685 20 pole pole NN 33154 685 21 of of IN 33154 685 22 a a DT 33154 685 23 short short JJ 33154 685 24 electro electro JJ 33154 685 25 - - HYPH 33154 685 26 magnet magnet NN 33154 685 27 , , , 33154 685 28 while while IN 33154 685 29 the the DT 33154 685 30 other other JJ 33154 685 31 end end NN 33154 685 32 is be VBZ 33154 685 33 left leave VBN 33154 685 34 free free JJ 33154 685 35 to to TO 33154 685 36 vibrate vibrate VB 33154 685 37 over over IN 33154 685 38 the the DT 33154 685 39 other other JJ 33154 685 40 pole pole NN 33154 685 41 of of IN 33154 685 42 the the DT 33154 685 43 magnet magnet NN 33154 685 44 and and CC 33154 685 45 not not RB 33154 685 46 quite quite RB 33154 685 47 touching touch VBG 33154 685 48 it -PRON- PRP 33154 685 49 . . . 33154 686 1 Each each DT 33154 686 2 of of IN 33154 686 3 the the DT 33154 686 4 reeds reed NNS 33154 686 5 is be VBZ 33154 686 6 to to TO 33154 686 7 be be VB 33154 686 8 tuned tune VBN 33154 686 9 to to IN 33154 686 10 a a DT 33154 686 11 different different JJ 33154 686 12 pitch pitch NN 33154 686 13 , , , 33154 686 14 say say VBP 33154 686 15 the the DT 33154 686 16 1 1 CD 33154 686 17 , , , 33154 686 18 3 3 CD 33154 686 19 , , , 33154 686 20 5 5 CD 33154 686 21 , , , 33154 686 22 and and CC 33154 686 23 8 8 CD 33154 686 24 of of IN 33154 686 25 the the DT 33154 686 26 scale scale NN 33154 686 27 . . . 33154 687 1 These these DT 33154 687 2 electro electro NNS 33154 687 3 - - HYPH 33154 687 4 magnets magnet NNS 33154 687 5 with with IN 33154 687 6 their -PRON- PRP$ 33154 687 7 attached attach VBN 33154 687 8 vibrators vibrator NNS 33154 687 9 are be VBP 33154 687 10 to to TO 33154 687 11 be be VB 33154 687 12 attached attach VBN 33154 687 13 each each DT 33154 687 14 to to IN 33154 687 15 a a DT 33154 687 16 resonant resonant JJ 33154 687 17 box box NN 33154 687 18 ( ( -LRB- 33154 687 19 see see VB 33154 687 20 p. p. NN 33154 687 21 93 93 CD 33154 687 22 ) ) -RRB- 33154 687 23 , , , 33154 687 24 which which WDT 33154 687 25 can can MD 33154 687 26 respond respond VB 33154 687 27 to to IN 33154 687 28 that that DT 33154 687 29 particular particular JJ 33154 687 30 number number NN 33154 687 31 of of IN 33154 687 32 vibrations vibration NNS 33154 687 33 per per IN 33154 687 34 second second NN 33154 687 35 . . . 33154 688 1 This this DT 33154 688 2 is be VBZ 33154 688 3 the the DT 33154 688 4 receiving receive VBG 33154 688 5 instrument instrument NN 33154 688 6 . . . 33154 689 1 The the DT 33154 689 2 sender sender NN 33154 689 3 consists consist VBZ 33154 689 4 of of IN 33154 689 5 a a DT 33154 689 6 like like JJ 33154 689 7 set set NN 33154 689 8 of of IN 33154 689 9 reeds reed NNS 33154 689 10 tuned tune VBN 33154 689 11 to to IN 33154 689 12 the the DT 33154 689 13 same same JJ 33154 689 14 pitch pitch NN 33154 689 15 , , , 33154 689 16 which which WDT 33154 689 17 can can MD 33154 689 18 be be VB 33154 689 19 made make VBN 33154 689 20 to to TO 33154 689 21 vibrate vibrate VB 33154 689 22 at at IN 33154 689 23 will will NN 33154 689 24 by by IN 33154 689 25 pressing press VBG 33154 689 26 a a DT 33154 689 27 key key NN 33154 689 28 which which WDT 33154 689 29 sends send VBZ 33154 689 30 the the DT 33154 689 31 current current NN 33154 689 32 of of IN 33154 689 33 electricity electricity NN 33154 689 34 through through IN 33154 689 35 its -PRON- PRP$ 33154 689 36 electro electro JJ 33154 689 37 - - HYPH 33154 689 38 magnet magnet NN 33154 689 39 , , , 33154 689 40 which which WDT 33154 689 41 makes make VBZ 33154 689 42 and and CC 33154 689 43 breaks break VBZ 33154 689 44 the the DT 33154 689 45 current current NN 33154 689 46 . . . 33154 690 1 Imagine imagine VB 33154 690 2 one one CD 33154 690 3 of of IN 33154 690 4 these these DT 33154 690 5 keys key NNS 33154 690 6 to to TO 33154 690 7 be be VB 33154 690 8 pressed press VBN 33154 690 9 down down RP 33154 690 10 so so IN 33154 690 11 as as IN 33154 690 12 to to TO 33154 690 13 make make VB 33154 690 14 the the DT 33154 690 15 circuit circuit NN 33154 690 16 complete complete JJ 33154 690 17 : : : 33154 690 18 the the DT 33154 690 19 sending send VBG 33154 690 20 instrument instrument NN 33154 690 21 then then RB 33154 690 22 has have VBZ 33154 690 23 one one CD 33154 690 24 of of IN 33154 690 25 its -PRON- PRP$ 33154 690 26 reeds reed NNS 33154 690 27 , , , 33154 690 28 let let VB 33154 690 29 it -PRON- PRP 33154 690 30 be be VB 33154 690 31 the the DT 33154 690 32 1 1 CD 33154 690 33 of of IN 33154 690 34 the the DT 33154 690 35 scale scale NN 33154 690 36 , , , 33154 690 37 set set VBN 33154 690 38 in in IN 33154 690 39 vibration vibration NN 33154 690 40 ; ; : 33154 690 41 the the DT 33154 690 42 intermittent intermittent JJ 33154 690 43 current current NN 33154 690 44 traverses traverse VBZ 33154 690 45 the the DT 33154 690 46 whole whole JJ 33154 690 47 line line NN 33154 690 48 , , , 33154 690 49 going go VBG 33154 690 50 through through IN 33154 690 51 all all DT 33154 690 52 four four CD 33154 690 53 of of IN 33154 690 54 the the DT 33154 690 55 receiving receive VBG 33154 690 56 instruments instrument NNS 33154 690 57 . . . 33154 691 1 Now now RB 33154 691 2 , , , 33154 691 3 we -PRON- PRP 33154 691 4 know know VBP 33154 691 5 from from IN 33154 691 6 the the DT 33154 691 7 study study NN 33154 691 8 of of IN 33154 691 9 the the DT 33154 691 10 action action NN 33154 691 11 of of IN 33154 691 12 sounding sound VBG 33154 691 13 bodies body NNS 33154 691 14 , , , 33154 691 15 that that IN 33154 691 16 only only RB 33154 691 17 one one CD 33154 691 18 of of IN 33154 691 19 the the DT 33154 691 20 four four CD 33154 691 21 receivers receiver NNS 33154 691 22 is be VBZ 33154 691 23 competent competent JJ 33154 691 24 to to TO 33154 691 25 vibrate vibrate VB 33154 691 26 in in IN 33154 691 27 consonance consonance NN 33154 691 28 with with IN 33154 691 29 this this DT 33154 691 30 tone tone NN 33154 691 31 , , , 33154 691 32 and and CC 33154 691 33 this this DT 33154 691 34 one one NN 33154 691 35 will will MD 33154 691 36 respond respond VB 33154 691 37 ; ; : 33154 691 38 that that RB 33154 691 39 is is RB 33154 691 40 , , , 33154 691 41 the the DT 33154 691 42 vibrations vibration NNS 33154 691 43 are be VBP 33154 691 44 truly truly RB 33154 691 45 sympathetic sympathetic JJ 33154 691 46 vibrations vibration NNS 33154 691 47 . . . 33154 692 1 If if IN 33154 692 2 , , , 33154 692 3 instead instead RB 33154 692 4 of of IN 33154 692 5 making make VBG 33154 692 6 the the DT 33154 692 7 1 1 CD 33154 692 8 of of IN 33154 692 9 the the DT 33154 692 10 scale scale NN 33154 692 11 in in IN 33154 692 12 the the DT 33154 692 13 sending send VBG 33154 692 14 - - HYPH 33154 692 15 instrument instrument NN 33154 692 16 , , , 33154 692 17 the the DT 33154 692 18 3 3 CD 33154 692 19 had have VBD 33154 692 20 been be VBN 33154 692 21 made make VBN 33154 692 22 , , , 33154 692 23 the the DT 33154 692 24 current current NN 33154 692 25 would would MD 33154 692 26 have have VB 33154 692 27 gone go VBN 33154 692 28 through through IN 33154 692 29 all all DT 33154 692 30 of of IN 33154 692 31 the the DT 33154 692 32 receiving receive VBG 33154 692 33 instruments instrument NNS 33154 692 34 just just RB 33154 692 35 the the DT 33154 692 36 same same JJ 33154 692 37 as as IN 33154 692 38 before before RB 33154 692 39 , , , 33154 692 40 but but CC 33154 692 41 only only RB 33154 692 42 one one CD 33154 692 43 of of IN 33154 692 44 them -PRON- PRP 33154 692 45 could could MD 33154 692 46 take take VB 33154 692 47 up up RP 33154 692 48 that that DT 33154 692 49 vibratory vibratory JJ 33154 692 50 movement movement NN 33154 692 51 : : : 33154 692 52 three three CD 33154 692 53 of of IN 33154 692 54 them -PRON- PRP 33154 692 55 would would MD 33154 692 56 remain remain VB 33154 692 57 at at IN 33154 692 58 rest rest NN 33154 692 59 , , , 33154 692 60 the the DT 33154 692 61 3 3 CD 33154 692 62 responding respond VBG 33154 692 63 loudly loudly RB 33154 692 64 . . . 33154 693 1 In in IN 33154 693 2 like like JJ 33154 693 3 manner manner NN 33154 693 4 , , , 33154 693 5 any any DT 33154 693 6 number number NN 33154 693 7 of of IN 33154 693 8 vibrating vibrate VBG 33154 693 9 reeds reed NNS 33154 693 10 in in IN 33154 693 11 the the DT 33154 693 12 sending send VBG 33154 693 13 instrument instrument NN 33154 693 14 can can MD 33154 693 15 make make VB 33154 693 16 a a DT 33154 693 17 corresponding corresponding JJ 33154 693 18 number number NN 33154 693 19 of of IN 33154 693 20 reeds reed NNS 33154 693 21 in in IN 33154 693 22 the the DT 33154 693 23 receiving receive VBG 33154 693 24 instrument instrument NN 33154 693 25 to to TO 33154 693 26 vibrate vibrate VB 33154 693 27 , , , 33154 693 28 provided provide VBN 33154 693 29 the the DT 33154 693 30 latter latter JJ 33154 693 31 be be VB 33154 693 32 exactly exactly RB 33154 693 33 tuned tune VBN 33154 693 34 with with IN 33154 693 35 the the DT 33154 693 36 former former JJ 33154 693 37 . . . 33154 694 1 Each each DT 33154 694 2 transmitter transmitter NN 33154 694 3 is be VBZ 33154 694 4 connected connect VBN 33154 694 5 with with IN 33154 694 6 but but CC 33154 694 7 a a DT 33154 694 8 part part NN 33154 694 9 of of IN 33154 694 10 the the DT 33154 694 11 battery battery NN 33154 694 12 , , , 33154 694 13 so so IN 33154 694 14 that that IN 33154 694 15 several several JJ 33154 694 16 tones tone NNS 33154 694 17 may may MD 33154 694 18 be be VB 33154 694 19 transmitted transmit VBN 33154 694 20 at at IN 33154 694 21 the the DT 33154 694 22 same same JJ 33154 694 23 time time NN 33154 694 24 . . . 33154 695 1 If if IN 33154 695 2 the the DT 33154 695 3 performer performer NN 33154 695 4 plays play VBZ 33154 695 5 a a DT 33154 695 6 piece piece NN 33154 695 7 of of IN 33154 695 8 music music NN 33154 695 9 in in IN 33154 695 10 its -PRON- PRP$ 33154 695 11 various various JJ 33154 695 12 parts part NNS 33154 695 13 , , , 33154 695 14 every every DT 33154 695 15 part part NN 33154 695 16 will will MD 33154 695 17 be be VB 33154 695 18 reproduced reproduce VBN 33154 695 19 : : : 33154 695 20 thus thus RB 33154 695 21 we -PRON- PRP 33154 695 22 have have VBP 33154 695 23 a a DT 33154 695 24 compound compound NN 33154 695 25 or or CC 33154 695 26 multiple multiple JJ 33154 695 27 telephone telephone NN 33154 695 28 . . . 33154 696 1 This this DT 33154 696 2 instrument instrument NN 33154 696 3 has have VBZ 33154 696 4 been be VBN 33154 696 5 used use VBN 33154 696 6 during during IN 33154 696 7 the the DT 33154 696 8 past past JJ 33154 696 9 winter winter NN 33154 696 10 to to TO 33154 696 11 give give VB 33154 696 12 concerts concert NNS 33154 696 13 in in IN 33154 696 14 cities city NNS 33154 696 15 when when WRB 33154 696 16 the the DT 33154 696 17 performer performer NN 33154 696 18 was be VBD 33154 696 19 in in IN 33154 696 20 a a DT 33154 696 21 distant distant JJ 33154 696 22 place place NN 33154 696 23 . . . 33154 697 1 It -PRON- PRP 33154 697 2 has have VBZ 33154 697 3 also also RB 33154 697 4 been be VBN 33154 697 5 used use VBN 33154 697 6 as as IN 33154 697 7 a a DT 33154 697 8 multiple multiple JJ 33154 697 9 telegraph telegraph NN 33154 697 10 ; ; : 33154 697 11 as as RB 33154 697 12 many many JJ 33154 697 13 as as IN 33154 697 14 eight eight CD 33154 697 15 operators operator NNS 33154 697 16 sending send VBG 33154 697 17 messages message NNS 33154 697 18 simultaneously simultaneously RB 33154 697 19 over over IN 33154 697 20 the the DT 33154 697 21 same same JJ 33154 697 22 wire,--four wire,--four NNP 33154 697 23 in in IN 33154 697 24 each each DT 33154 697 25 direction,--without direction,--without NNP 33154 697 26 the the DT 33154 697 27 slightest slight JJS 33154 697 28 interference interference NN 33154 697 29 . . . 33154 698 1 BELL BELL NNP 33154 698 2 'S 's POS 33154 698 3 TELEPHONE telephone NN 33154 698 4 . . . 33154 699 1 Prof. Prof. NNP 33154 699 2 A. a. NN 33154 699 3 Graham Graham NNP 33154 699 4 Bell Bell NNP 33154 699 5 of of IN 33154 699 6 Boston Boston NNP 33154 699 7 independently independently RB 33154 699 8 discovered discover VBD 33154 699 9 the the DT 33154 699 10 same same JJ 33154 699 11 means mean NNS 33154 699 12 for for IN 33154 699 13 producing produce VBG 33154 699 14 multiple multiple JJ 33154 699 15 effects effect NNS 33154 699 16 over over IN 33154 699 17 the the DT 33154 699 18 same same JJ 33154 699 19 wire wire NN 33154 699 20 ; ; : 33154 699 21 but but CC 33154 699 22 it -PRON- PRP 33154 699 23 appears appear VBZ 33154 699 24 he -PRON- PRP 33154 699 25 did do VBD 33154 699 26 not not RB 33154 699 27 practically practically RB 33154 699 28 work work VB 33154 699 29 it -PRON- PRP 33154 699 30 out out RP 33154 699 31 as as RB 33154 699 32 completely completely RB 33154 699 33 as as IN 33154 699 34 did do VBD 33154 699 35 Mr. Mr. NNP 33154 699 36 Gray Gray NNP 33154 699 37 . . . 33154 700 1 But but CC 33154 700 2 while while IN 33154 700 3 the the DT 33154 700 4 latter latter JJ 33154 700 5 was be VBD 33154 700 6 chiefly chiefly RB 33154 700 7 employed employ VBN 33154 700 8 in in IN 33154 700 9 perfecting perfect VBG 33154 700 10 the the DT 33154 700 11 method method NN 33154 700 12 as as IN 33154 700 13 a a DT 33154 700 14 telegraphic telegraphic JJ 33154 700 15 system system NN 33154 700 16 , , , 33154 700 17 Prof. Prof. NNP 33154 700 18 Bell Bell NNP 33154 700 19 had have VBD 33154 700 20 set set VBN 33154 700 21 before before IN 33154 700 22 himself -PRON- PRP 33154 700 23 the the DT 33154 700 24 more more RBR 33154 700 25 difficult difficult JJ 33154 700 26 problem problem NN 33154 700 27 of of IN 33154 700 28 transmitting transmit VBG 33154 700 29 speech speech NN 33154 700 30 . . . 33154 701 1 This this DT 33154 701 2 he -PRON- PRP 33154 701 3 has have VBZ 33154 701 4 actually actually RB 33154 701 5 accomplished accomplish VBN 33154 701 6 , , , 33154 701 7 as as IN 33154 701 8 we -PRON- PRP 33154 701 9 have have VBP 33154 701 10 so so RB 33154 701 11 often often RB 33154 701 12 been be VBN 33154 701 13 reminded remind VBN 33154 701 14 during during IN 33154 701 15 the the DT 33154 701 16 past past JJ 33154 701 17 year year NN 33154 701 18 . . . 33154 702 1 Thoroughly thoroughly RB 33154 702 2 conversant conversant JJ 33154 702 3 with with IN 33154 702 4 the the DT 33154 702 5 acoustic acoustic JJ 33154 702 6 researches research NNS 33154 702 7 of of IN 33154 702 8 Helmholtz Helmholtz NNP 33154 702 9 , , , 33154 702 10 and and CC 33154 702 11 keeping keep VBG 33154 702 12 in in IN 33154 702 13 mind mind NN 33154 702 14 the the DT 33154 702 15 complex complex JJ 33154 702 16 form form NN 33154 702 17 of of IN 33154 702 18 the the DT 33154 702 19 air air NN 33154 702 20 vibrations vibration NNS 33154 702 21 produced produce VBN 33154 702 22 by by IN 33154 702 23 the the DT 33154 702 24 human human JJ 33154 702 25 voice voice NN 33154 702 26 , , , 33154 702 27 he -PRON- PRP 33154 702 28 attempted attempt VBD 33154 702 29 to to TO 33154 702 30 make make VB 33154 702 31 these these DT 33154 702 32 vibrations vibration NNS 33154 702 33 produce produce VB 33154 702 34 corresponding correspond VBG 33154 702 35 pulsations pulsation NNS 33154 702 36 in in IN 33154 702 37 an an DT 33154 702 38 electric electric JJ 33154 702 39 current current NN 33154 702 40 in in IN 33154 702 41 the the DT 33154 702 42 manner manner NN 33154 702 43 analogous analogous JJ 33154 702 44 to to IN 33154 702 45 the the DT 33154 702 46 electric electric JJ 33154 702 47 interrupter interrupter NN 33154 702 48 . . . 33154 703 1 Observing observe VBG 33154 703 2 that that IN 33154 703 3 membranes membrane NNS 33154 703 4 when when WRB 33154 703 5 properly properly RB 33154 703 6 stretched stretch VBN 33154 703 7 can can MD 33154 703 8 vibrate vibrate VB 33154 703 9 to to IN 33154 703 10 any any DT 33154 703 11 kind kind NN 33154 703 12 of of IN 33154 703 13 a a DT 33154 703 14 sound sound NN 33154 703 15 , , , 33154 703 16 he -PRON- PRP 33154 703 17 sought seek VBD 33154 703 18 to to TO 33154 703 19 utilize utilize VB 33154 703 20 them -PRON- PRP 33154 703 21 for for IN 33154 703 22 this this DT 33154 703 23 purpose purpose NN 33154 703 24 . . . 33154 704 1 So so RB 33154 704 2 did do VBD 33154 704 3 Reiss Reiss NNP 33154 704 4 ; ; : 33154 704 5 but but CC 33154 704 6 Reiss Reiss NNP 33154 704 7 inserted insert VBD 33154 704 8 the the DT 33154 704 9 vibrating vibrate VBG 33154 704 10 membrane membrane NN 33154 704 11 into into IN 33154 704 12 the the DT 33154 704 13 circuit circuit NN 33154 704 14 , , , 33154 704 15 and and CC 33154 704 16 it -PRON- PRP 33154 704 17 was be VBD 33154 704 18 quite quite RB 33154 704 19 evident evident JJ 33154 704 20 that that IN 33154 704 21 such such PDT 33154 704 22 a a DT 33154 704 23 plan plan NN 33154 704 24 would would MD 33154 704 25 not not RB 33154 704 26 answer answer VB 33154 704 27 , , , 33154 704 28 therefore therefore RB 33154 704 29 the the DT 33154 704 30 current current NN 33154 704 31 must must MD 33154 704 32 not not RB 33154 704 33 be be VB 33154 704 34 broken break VBN 33154 704 35 ; ; : 33154 704 36 but but CC 33154 704 37 could could MD 33154 704 38 an an DT 33154 704 39 electric electric JJ 33154 704 40 current current NN 33154 704 41 be be VB 33154 704 42 interfered interfere VBN 33154 704 43 with with IN 33154 704 44 without without IN 33154 704 45 breaking break VBG 33154 704 46 the the DT 33154 704 47 connections connection NNS 33154 704 48 ? ? . 33154 705 1 The the DT 33154 705 2 well well RB 33154 705 3 - - HYPH 33154 705 4 known know VBN 33154 705 5 re re NN 33154 705 6 - - NNS 33154 705 7 actions action NNS 33154 705 8 of of IN 33154 705 9 magnets magnet NNS 33154 705 10 upon upon IN 33154 705 11 electrical electrical JJ 33154 705 12 currents current NNS 33154 705 13 , , , 33154 705 14 first first RB 33154 705 15 noted note VBN 33154 705 16 by by IN 33154 705 17 Oersted Oersted NNP 33154 705 18 , , , 33154 705 19 and and CC 33154 705 20 fully fully RB 33154 705 21 developed develop VBN 33154 705 22 by by IN 33154 705 23 Faraday Faraday NNP 33154 705 24 , , , 33154 705 25 gave give VBD 33154 705 26 the the DT 33154 705 27 clew clew NN 33154 705 28 to to IN 33154 705 29 the the DT 33154 705 30 solution solution NN 33154 705 31 . . . 33154 706 1 A a DT 33154 706 2 piece piece NN 33154 706 3 of of IN 33154 706 4 iron iron NN 33154 706 5 should should MD 33154 706 6 be be VB 33154 706 7 made make VBN 33154 706 8 to to TO 33154 706 9 vibrate vibrate VB 33154 706 10 by by IN 33154 706 11 means mean NNS 33154 706 12 of of IN 33154 706 13 sound sound JJ 33154 706 14 vibrations vibration NNS 33154 706 15 , , , 33154 706 16 so so IN 33154 706 17 as as IN 33154 706 18 to to TO 33154 706 19 affect affect VB 33154 706 20 an an DT 33154 706 21 electro electro JJ 33154 706 22 - - HYPH 33154 706 23 magnet magnet NN 33154 706 24 and and CC 33154 706 25 induce induce VBP 33154 706 26 corresponding correspond VBG 33154 706 27 electrical electrical JJ 33154 706 28 pulsations pulsation NNS 33154 706 29 . . . 33154 707 1 FIRST first JJ 33154 707 2 FORM form NN 33154 707 3 OF of IN 33154 707 4 SPEAKING speaking NN 33154 707 5 - - HYPH 33154 707 6 TELEPHONE TELEPHONE NNP 33154 707 7 . . . 33154 708 1 A a DT 33154 708 2 membrane membrane NN 33154 708 3 of of IN 33154 708 4 gold gold NN 33154 708 5 - - HYPH 33154 708 6 beater beater NN 33154 708 7 's 's POS 33154 708 8 skin skin NN 33154 708 9 was be VBD 33154 708 10 tightly tightly RB 33154 708 11 stretched stretch VBN 33154 708 12 over over IN 33154 708 13 the the DT 33154 708 14 end end NN 33154 708 15 of of IN 33154 708 16 a a DT 33154 708 17 speaking speak VBG 33154 708 18 - - HYPH 33154 708 19 tube tube NN 33154 708 20 or or CC 33154 708 21 funnel funnel NN 33154 708 22 ; ; , 33154 708 23 on on IN 33154 708 24 the the DT 33154 708 25 middle middle NN 33154 708 26 of of IN 33154 708 27 this this DT 33154 708 28 membrane membrane NN 33154 708 29 a a DT 33154 708 30 piece piece NN 33154 708 31 of of IN 33154 708 32 iron iron NN 33154 708 33 , , , 33154 708 34 N N NNP 33154 708 35 S S NNP 33154 708 36 , , , 33154 708 37 Fig Fig NNP 33154 708 38 . . . 33154 709 1 13 13 CD 33154 709 2 , , , 33154 709 3 was be VBD 33154 709 4 glued glue VBN 33154 709 5 . . . 33154 710 1 In in IN 33154 710 2 front front NN 33154 710 3 of of IN 33154 710 4 this this DT 33154 710 5 piece piece NN 33154 710 6 of of IN 33154 710 7 iron iron NN 33154 710 8 an an DT 33154 710 9 electro electro JJ 33154 710 10 - - HYPH 33154 710 11 magnet magnet NN 33154 710 12 M m NN 33154 710 13 is be VBZ 33154 710 14 so so RB 33154 710 15 situated situated JJ 33154 710 16 that that IN 33154 710 17 its -PRON- PRP$ 33154 710 18 poles pole NNS 33154 710 19 are be VBP 33154 710 20 opposite opposite JJ 33154 710 21 to to IN 33154 710 22 it -PRON- PRP 33154 710 23 , , , 33154 710 24 but but CC 33154 710 25 not not RB 33154 710 26 quite quite RB 33154 710 27 touching touch VBG 33154 710 28 it -PRON- PRP 33154 710 29 . . . 33154 711 1 One one CD 33154 711 2 of of IN 33154 711 3 the the DT 33154 711 4 terminal terminal JJ 33154 711 5 wires wire NNS 33154 711 6 of of IN 33154 711 7 the the DT 33154 711 8 electro electro JJ 33154 711 9 - - HYPH 33154 711 10 magnet magnet NN 33154 711 11 goes go VBZ 33154 711 12 to to IN 33154 711 13 the the DT 33154 711 14 battery battery NN 33154 711 15 B B NNP 33154 711 16 ; ; : 33154 711 17 the the DT 33154 711 18 other other JJ 33154 711 19 goes go VBZ 33154 711 20 to to IN 33154 711 21 the the DT 33154 711 22 receiving receive VBG 33154 711 23 instrument instrument NN 33154 711 24 R R NNP 33154 711 25 , , , 33154 711 26 which which WDT 33154 711 27 consists consist VBZ 33154 711 28 of of IN 33154 711 29 a a DT 33154 711 30 tubular tubular JJ 33154 711 31 electro electro NNP 33154 711 32 - - HYPH 33154 711 33 magnet magnet NNP 33154 711 34 , , , 33154 711 35 the the DT 33154 711 36 coil coil NN 33154 711 37 being be VBG 33154 711 38 enclosed enclose VBN 33154 711 39 in in IN 33154 711 40 a a DT 33154 711 41 short short JJ 33154 711 42 tube tube NN 33154 711 43 of of IN 33154 711 44 soft soft JJ 33154 711 45 iron iron NN 33154 711 46 ; ; : 33154 711 47 the the DT 33154 711 48 wire wire NN 33154 711 49 thence thence NN 33154 711 50 goes go VBZ 33154 711 51 to to IN 33154 711 52 the the DT 33154 711 53 plate plate NN 33154 711 54 E e NN 33154 711 55 ´ ´ CD 33154 711 56 , , , 33154 711 57 which which WDT 33154 711 58 is be VBZ 33154 711 59 sunk sink VBN 33154 711 60 in in IN 33154 711 61 the the DT 33154 711 62 earth earth NN 33154 711 63 . . . 33154 712 1 On on IN 33154 712 2 the the DT 33154 712 3 top top NN 33154 712 4 of of IN 33154 712 5 R r NN 33154 712 6 , , , 33154 712 7 at at IN 33154 712 8 P p NN 33154 712 9 , , , 33154 712 10 is be VBZ 33154 712 11 a a DT 33154 712 12 rather rather RB 33154 712 13 loose loose JJ 33154 712 14 , , , 33154 712 15 thin thin JJ 33154 712 16 disk disk NN 33154 712 17 of of IN 33154 712 18 iron iron NN 33154 712 19 , , , 33154 712 20 which which WDT 33154 712 21 acts act VBZ 33154 712 22 as as IN 33154 712 23 an an DT 33154 712 24 armature armature NN 33154 712 25 to to IN 33154 712 26 the the DT 33154 712 27 electro electro JJ 33154 712 28 - - HYPH 33154 712 29 magnet magnet NN 33154 712 30 below below IN 33154 712 31 it -PRON- PRP 33154 712 32 . . . 33154 713 1 [ [ -LRB- 33154 713 2 Illustration illustration NN 33154 713 3 : : : 33154 713 4 FIG FIG NNP 33154 713 5 . . . 33154 714 1 13 13 CD 33154 714 2 . . . 33154 714 3 ] ] -RRB- 33154 715 1 Supposing suppose VBG 33154 715 2 that that IN 33154 715 3 all all PDT 33154 715 4 the the DT 33154 715 5 parts part NNS 33154 715 6 are be VBP 33154 715 7 thus thus RB 33154 715 8 properly properly RB 33154 715 9 connected connect VBN 33154 715 10 , , , 33154 715 11 the the DT 33154 715 12 current current NN 33154 715 13 of of IN 33154 715 14 electricity electricity NN 33154 715 15 from from IN 33154 715 16 the the DT 33154 715 17 battery battery NN 33154 715 18 makes make VBZ 33154 715 19 both both CC 33154 715 20 M M NNP 33154 715 21 and and CC 33154 715 22 R R NNP 33154 715 23 magnetic magnetic JJ 33154 715 24 ; ; : 33154 715 25 the the DT 33154 715 26 electro electro JJ 33154 715 27 - - HYPH 33154 715 28 magnet magnet NN 33154 715 29 M m NN 33154 715 30 will will MD 33154 715 31 inductively inductively RB 33154 715 32 make make VB 33154 715 33 the the DT 33154 715 34 piece piece NN 33154 715 35 of of IN 33154 715 36 iron iron NN 33154 715 37 N N NNP 33154 715 38 S S NNP 33154 715 39 , , , 33154 715 40 a a DT 33154 715 41 magnet magnet NN 33154 715 42 , , , 33154 715 43 with with IN 33154 715 44 its -PRON- PRP$ 33154 715 45 poles pole NNS 33154 715 46 unlike unlike IN 33154 715 47 those those DT 33154 715 48 of of IN 33154 715 49 the the DT 33154 715 50 inducing induce VBG 33154 715 51 electro electro JJ 33154 715 52 - - HYPH 33154 715 53 magnet magnet NN 33154 715 54 ; ; : 33154 715 55 and and CC 33154 715 56 the the DT 33154 715 57 two two CD 33154 715 58 will will MD 33154 715 59 mutually mutually RB 33154 715 60 attract attract VB 33154 715 61 each each DT 33154 715 62 other other JJ 33154 715 63 . . . 33154 716 1 If if IN 33154 716 2 now now RB 33154 716 3 this this DT 33154 716 4 piece piece NN 33154 716 5 of of IN 33154 716 6 iron iron NN 33154 716 7 N N NNP 33154 716 8 S S NNP 33154 716 9 be be VB 33154 716 10 made make VBN 33154 716 11 to to TO 33154 716 12 move move VB 33154 716 13 toward toward IN 33154 716 14 M M NNP 33154 716 15 , , , 33154 716 16 a a DT 33154 716 17 current current NN 33154 716 18 of of IN 33154 716 19 electricity electricity NN 33154 716 20 will will MD 33154 716 21 be be VB 33154 716 22 induced induce VBN 33154 716 23 in in IN 33154 716 24 the the DT 33154 716 25 coils coil NNS 33154 716 26 , , , 33154 716 27 which which WDT 33154 716 28 will will MD 33154 716 29 traverse traverse VB 33154 716 30 the the DT 33154 716 31 whole whole JJ 33154 716 32 circuit circuit NN 33154 716 33 . . . 33154 717 1 This this DT 33154 717 2 induced induce VBN 33154 717 3 electricity electricity NN 33154 717 4 will will MD 33154 717 5 consist consist VB 33154 717 6 of of IN 33154 717 7 a a DT 33154 717 8 single single JJ 33154 717 9 wave wave NN 33154 717 10 or or CC 33154 717 11 pulse pulse NN 33154 717 12 , , , 33154 717 13 and and CC 33154 717 14 its -PRON- PRP$ 33154 717 15 force force NN 33154 717 16 will will MD 33154 717 17 depend depend VB 33154 717 18 upon upon IN 33154 717 19 the the DT 33154 717 20 velocity velocity NN 33154 717 21 of of IN 33154 717 22 the the DT 33154 717 23 approach approach NN 33154 717 24 of of IN 33154 717 25 N N NNP 33154 717 26 S S NNP 33154 717 27 to to IN 33154 717 28 M. M. NNP 33154 717 29 A A NNP 33154 717 30 like like JJ 33154 717 31 pulse pulse NN 33154 717 32 of of IN 33154 717 33 electricity electricity NN 33154 717 34 will will MD 33154 717 35 be be VB 33154 717 36 induced induce VBN 33154 717 37 in in IN 33154 717 38 the the DT 33154 717 39 coils coil NNS 33154 717 40 when when WRB 33154 717 41 N N NNP 33154 717 42 S S NNP 33154 717 43 is be VBZ 33154 717 44 made make VBN 33154 717 45 to to TO 33154 717 46 move move VB 33154 717 47 away away RB 33154 717 48 from from IN 33154 717 49 M m NN 33154 717 50 ; ; : 33154 717 51 but but CC 33154 717 52 this this DT 33154 717 53 current current NN 33154 717 54 will will MD 33154 717 55 move move VB 33154 717 56 through through IN 33154 717 57 the the DT 33154 717 58 circuit circuit NN 33154 717 59 in in IN 33154 717 60 the the DT 33154 717 61 opposite opposite JJ 33154 717 62 direction direction NN 33154 717 63 , , , 33154 717 64 so so IN 33154 717 65 that that IN 33154 717 66 whether whether IN 33154 717 67 the the DT 33154 717 68 pulsation pulsation NN 33154 717 69 goes go VBZ 33154 717 70 from from IN 33154 717 71 M M NNP 33154 717 72 to to IN 33154 717 73 R r NN 33154 717 74 , , , 33154 717 75 or or CC 33154 717 76 from from IN 33154 717 77 R r NN 33154 717 78 to to IN 33154 717 79 M m NN 33154 717 80 , , , 33154 717 81 depends depend VBZ 33154 717 82 simply simply RB 33154 717 83 upon upon IN 33154 717 84 the the DT 33154 717 85 direction direction NN 33154 717 86 of of IN 33154 717 87 the the DT 33154 717 88 motion motion NN 33154 717 89 of of IN 33154 717 90 N N NNP 33154 717 91 S. S. NNP 33154 717 92 The the DT 33154 717 93 electricity electricity NN 33154 717 94 thus thus RB 33154 717 95 generated generate VBD 33154 717 96 in in IN 33154 717 97 the the DT 33154 717 98 wire wire NN 33154 717 99 by by IN 33154 717 100 such such JJ 33154 717 101 vibratory vibratory JJ 33154 717 102 movements movement NNS 33154 717 103 varies vary VBZ 33154 717 104 in in IN 33154 717 105 strength strength NN 33154 717 106 proportional proportional JJ 33154 717 107 to to IN 33154 717 108 the the DT 33154 717 109 movement movement NN 33154 717 110 of of IN 33154 717 111 the the DT 33154 717 112 armature armature NN 33154 717 113 ; ; : 33154 717 114 therefore therefore RB 33154 717 115 the the DT 33154 717 116 line line NN 33154 717 117 wire wire NN 33154 717 118 between between IN 33154 717 119 two two CD 33154 717 120 places place NNS 33154 717 121 will will MD 33154 717 122 be be VB 33154 717 123 filled fill VBN 33154 717 124 with with IN 33154 717 125 electrical electrical JJ 33154 717 126 pulsation pulsation NN 33154 717 127 exactly exactly RB 33154 717 128 like like IN 33154 717 129 the the DT 33154 717 130 aërial aërial JJ 33154 717 131 pulsations pulsation NNS 33154 717 132 in in IN 33154 717 133 structure structure NN 33154 717 134 . . . 33154 718 1 Fig fig NN 33154 718 2 . . . 33154 719 1 10 10 CD 33154 719 2 , , , 33154 719 3 p. p. NN 33154 719 4 98 98 CD 33154 719 5 , , , 33154 719 6 may may MD 33154 719 7 be be VB 33154 719 8 used use VBN 33154 719 9 to to TO 33154 719 10 illustrate illustrate VB 33154 719 11 the the DT 33154 719 12 condition condition NN 33154 719 13 of of IN 33154 719 14 the the DT 33154 719 15 wire wire NN 33154 719 16 through through IN 33154 719 17 which which WDT 33154 719 18 the the DT 33154 719 19 currents current NNS 33154 719 20 pass pass VBP 33154 719 21 . . . 33154 720 1 The the DT 33154 720 2 dark dark JJ 33154 720 3 part part NN 33154 720 4 may may MD 33154 720 5 represent represent VB 33154 720 6 the the DT 33154 720 7 strongest strong JJS 33154 720 8 part part NN 33154 720 9 of of IN 33154 720 10 the the DT 33154 720 11 wave wave NN 33154 720 12 , , , 33154 720 13 while while IN 33154 720 14 the the DT 33154 720 15 lighter light JJR 33154 720 16 part part NN 33154 720 17 would would MD 33154 720 18 show show VB 33154 720 19 the the DT 33154 720 20 weaker weak JJR 33154 720 21 part part NN 33154 720 22 of of IN 33154 720 23 the the DT 33154 720 24 wave wave NN 33154 720 25 . . . 33154 721 1 The the DT 33154 721 2 chief chief JJ 33154 721 3 difference difference NN 33154 721 4 would would MD 33154 721 5 be be VB 33154 721 6 , , , 33154 721 7 that that IN 33154 721 8 electricity electricity NN 33154 721 9 travels travel NNS 33154 721 10 so so RB 33154 721 11 fast fast RB 33154 721 12 , , , 33154 721 13 that that IN 33154 721 14 what what WP 33154 721 15 is be VBZ 33154 721 16 there there RB 33154 721 17 represented represent VBN 33154 721 18 as as IN 33154 721 19 one one CD 33154 721 20 wave wave NN 33154 721 21 in in IN 33154 721 22 air air NN 33154 721 23 with with IN 33154 721 24 a a DT 33154 721 25 length length NN 33154 721 26 of of IN 33154 721 27 two two CD 33154 721 28 feet foot NNS 33154 721 29 would would MD 33154 721 30 , , , 33154 721 31 in in IN 33154 721 32 an an DT 33154 721 33 electric electric JJ 33154 721 34 wave wave NN 33154 721 35 , , , 33154 721 36 be be VB 33154 721 37 more more JJR 33154 721 38 than than IN 33154 721 39 fifty fifty CD 33154 721 40 miles mile NNS 33154 721 41 long long JJ 33154 721 42 . . . 33154 722 1 These these DT 33154 722 2 induced induce VBN 33154 722 3 electric electric JJ 33154 722 4 currents current NNS 33154 722 5 are be VBP 33154 722 6 but but CC 33154 722 7 very very RB 33154 722 8 transient transient JJ 33154 722 9 ( ( -LRB- 33154 722 10 see see VB 33154 722 11 p. p. NN 33154 722 12 31 31 CD 33154 722 13 ) ) -RRB- 33154 722 14 ; ; : 33154 722 15 and and CC 33154 722 16 their -PRON- PRP$ 33154 722 17 effect effect NN 33154 722 18 upon upon IN 33154 722 19 the the DT 33154 722 20 receiver receiver NN 33154 722 21 R r NN 33154 722 22 is be VBZ 33154 722 23 to to IN 33154 722 24 either either CC 33154 722 25 increase increase VB 33154 722 26 or or CC 33154 722 27 decrease decrease VB 33154 722 28 the the DT 33154 722 29 power power NN 33154 722 30 of of IN 33154 722 31 the the DT 33154 722 32 magnet magnet NN 33154 722 33 there there RB 33154 722 34 , , , 33154 722 35 as as IN 33154 722 36 they -PRON- PRP 33154 722 37 are be VBP 33154 722 38 in in IN 33154 722 39 one one CD 33154 722 40 direction direction NN 33154 722 41 or or CC 33154 722 42 the the DT 33154 722 43 other other JJ 33154 722 44 , , , 33154 722 45 and and CC 33154 722 46 consequently consequently RB 33154 722 47 to to TO 33154 722 48 vary vary VB 33154 722 49 the the DT 33154 722 50 attractive attractive JJ 33154 722 51 power power NN 33154 722 52 exercised exercise VBN 33154 722 53 upon upon IN 33154 722 54 the the DT 33154 722 55 iron iron NN 33154 722 56 plate plate NN 33154 722 57 armature armature NN 33154 722 58 . . . 33154 723 1 Let let VB 33154 723 2 a a DT 33154 723 3 simple simple JJ 33154 723 4 sound sound NN 33154 723 5 be be VB 33154 723 6 now now RB 33154 723 7 made make VBN 33154 723 8 in in IN 33154 723 9 the the DT 33154 723 10 tube tube NN 33154 723 11 , , , 33154 723 12 consisting consist VBG 33154 723 13 of of IN 33154 723 14 256 256 CD 33154 723 15 vibrations vibration NNS 33154 723 16 per per IN 33154 723 17 second second NN 33154 723 18 : : : 33154 723 19 the the DT 33154 723 20 membrane membrane NN 33154 723 21 carrying carry VBG 33154 723 22 the the DT 33154 723 23 iron iron NN 33154 723 24 will will MD 33154 723 25 vibrate vibrate VB 33154 723 26 as as IN 33154 723 27 many many JJ 33154 723 28 times time NNS 33154 723 29 , , , 33154 723 30 and and CC 33154 723 31 so so RB 33154 723 32 many many JJ 33154 723 33 pulses pulse NNS 33154 723 34 of of IN 33154 723 35 induced induce VBN 33154 723 36 electricity electricity NN 33154 723 37 will will MD 33154 723 38 be be VB 33154 723 39 _ _ NNP 33154 723 40 imposed impose VBN 33154 723 41 _ _ NNP 33154 723 42 upon upon IN 33154 723 43 the the DT 33154 723 44 constant constant JJ 33154 723 45 current current NN 33154 723 46 , , , 33154 723 47 which which WDT 33154 723 48 will will MD 33154 723 49 each each DT 33154 723 50 act act VB 33154 723 51 upon upon IN 33154 723 52 the the DT 33154 723 53 receiver receiver NN 33154 723 54 , , , 33154 723 55 and and CC 33154 723 56 cause cause VB 33154 723 57 so so RB 33154 723 58 many many JJ 33154 723 59 vibrations vibration NNS 33154 723 60 of of IN 33154 723 61 the the DT 33154 723 62 armature armature NN 33154 723 63 upon upon IN 33154 723 64 it -PRON- PRP 33154 723 65 ; ; : 33154 723 66 and and CC 33154 723 67 an an DT 33154 723 68 ear ear NN 33154 723 69 held hold VBN 33154 723 70 at at IN 33154 723 71 P p NN 33154 723 72 will will MD 33154 723 73 hear hear VB 33154 723 74 the the DT 33154 723 75 sound sound NN 33154 723 76 with with IN 33154 723 77 the the DT 33154 723 78 same same JJ 33154 723 79 pitch pitch NN 33154 723 80 as as IN 33154 723 81 that that DT 33154 723 82 at at IN 33154 723 83 the the DT 33154 723 84 sending send VBG 33154 723 85 instrument instrument NN 33154 723 86 . . . 33154 724 1 If if IN 33154 724 2 two two CD 33154 724 3 or or CC 33154 724 4 more more JJR 33154 724 5 sound sound JJ 33154 724 6 - - HYPH 33154 724 7 waves wave NNS 33154 724 8 act act VBP 33154 724 9 simultaneously simultaneously RB 33154 724 10 upon upon IN 33154 724 11 the the DT 33154 724 12 membrane membrane NN 33154 724 13 , , , 33154 724 14 its -PRON- PRP$ 33154 724 15 motions motion NNS 33154 724 16 must must MD 33154 724 17 correspond correspond VB 33154 724 18 with with IN 33154 724 19 such such JJ 33154 724 20 combined combined JJ 33154 724 21 motions motion NNS 33154 724 22 ; ; : 33154 724 23 that that RB 33154 724 24 is is RB 33154 724 25 , , , 33154 724 26 its -PRON- PRP$ 33154 724 27 motions motion NNS 33154 724 28 will will MD 33154 724 29 be be VB 33154 724 30 the the DT 33154 724 31 resultant resultant NN 33154 724 32 of of IN 33154 724 33 all all PDT 33154 724 34 the the DT 33154 724 35 sound sound NN 33154 724 36 - - HYPH 33154 724 37 waves wave NNS 33154 724 38 , , , 33154 724 39 and and CC 33154 724 40 the the DT 33154 724 41 corresponding correspond VBG 33154 724 42 pulsations pulsation NNS 33154 724 43 in in IN 33154 724 44 the the DT 33154 724 45 current current NN 33154 724 46 must must MD 33154 724 47 reproduce reproduce VB 33154 724 48 at at IN 33154 724 49 R r NN 33154 724 50 the the DT 33154 724 51 same same JJ 33154 724 52 effect effect NN 33154 724 53 . . . 33154 725 1 Now now RB 33154 725 2 , , , 33154 725 3 when when WRB 33154 725 4 a a DT 33154 725 5 person person NN 33154 725 6 speaks speak VBZ 33154 725 7 in in IN 33154 725 8 the the DT 33154 725 9 tube tube NN 33154 725 10 , , , 33154 725 11 the the DT 33154 725 12 membrane membrane NN 33154 725 13 is be VBZ 33154 725 14 thrown throw VBN 33154 725 15 into into IN 33154 725 16 vibrations vibration NNS 33154 725 17 more more RBR 33154 725 18 complex complex JJ 33154 725 19 in in IN 33154 725 20 structure structure NN 33154 725 21 than than IN 33154 725 22 those those DT 33154 725 23 just just RB 33154 725 24 mentioned mention VBN 33154 725 25 , , , 33154 725 26 differing differ VBG 33154 725 27 only only RB 33154 725 28 in in IN 33154 725 29 number number NN 33154 725 30 and and CC 33154 725 31 intensity intensity NN 33154 725 32 . . . 33154 726 1 The the DT 33154 726 2 magnet magnet NN 33154 726 3 will will MD 33154 726 4 cause cause VB 33154 726 5 responses response NNS 33154 726 6 from from IN 33154 726 7 even even RB 33154 726 8 the the DT 33154 726 9 minutest minute JJS 33154 726 10 motion motion NN 33154 726 11 ; ; : 33154 726 12 and and CC 33154 726 13 therefore therefore RB 33154 726 14 an an DT 33154 726 15 ear ear NN 33154 726 16 at at IN 33154 726 17 R r NN 33154 726 18 will will MD 33154 726 19 hear hear VB 33154 726 20 what what WP 33154 726 21 is be VBZ 33154 726 22 said say VBN 33154 726 23 at at IN 33154 726 24 the the DT 33154 726 25 tube tube NN 33154 726 26 . . . 33154 727 1 This this DT 33154 727 2 was be VBD 33154 727 3 the the DT 33154 727 4 instrument instrument NN 33154 727 5 exhibited exhibit VBN 33154 727 6 at at IN 33154 727 7 the the DT 33154 727 8 Centennial Centennial NNP 33154 727 9 Exposition Exposition NNP 33154 727 10 at at IN 33154 727 11 Philadelphia Philadelphia NNP 33154 727 12 , , , 33154 727 13 and and CC 33154 727 14 concerning concern VBG 33154 727 15 which which WDT 33154 727 16 Sir Sir NNP 33154 727 17 William William NNP 33154 727 18 Thompson Thompson NNP 33154 727 19 said say VBD 33154 727 20 on on IN 33154 727 21 his -PRON- PRP$ 33154 727 22 return return NN 33154 727 23 to to IN 33154 727 24 England England NNP 33154 727 25 , , , 33154 727 26 " " `` 33154 727 27 This this DT 33154 727 28 is be VBZ 33154 727 29 the the DT 33154 727 30 greatest great JJS 33154 727 31 by by IN 33154 727 32 far far RB 33154 727 33 of of IN 33154 727 34 all all PDT 33154 727 35 the the DT 33154 727 36 marvels marvel NNS 33154 727 37 of of IN 33154 727 38 the the DT 33154 727 39 electric electric JJ 33154 727 40 telegraph telegraph NN 33154 727 41 . . . 33154 727 42 " " '' 33154 728 1 The the DT 33154 728 2 popular popular JJ 33154 728 3 impression impression NN 33154 728 4 has have VBZ 33154 728 5 been be VBN 33154 728 6 , , , 33154 728 7 concerning concern VBG 33154 728 8 the the DT 33154 728 9 telephone telephone NN 33154 728 10 , , , 33154 728 11 that that IN 33154 728 12 the the DT 33154 728 13 _ _ NNP 33154 728 14 sound sound NN 33154 728 15 _ _ NNP 33154 728 16 was be VBD 33154 728 17 in in IN 33154 728 18 some some DT 33154 728 19 way way NN 33154 728 20 conveyed convey VBN 33154 728 21 over over IN 33154 728 22 the the DT 33154 728 23 wire wire NN 33154 728 24 . . . 33154 729 1 It -PRON- PRP 33154 729 2 will will MD 33154 729 3 be be VB 33154 729 4 obvious obvious JJ 33154 729 5 to to IN 33154 729 6 every every DT 33154 729 7 one one NN 33154 729 8 who who WP 33154 729 9 may may MD 33154 729 10 read read VB 33154 729 11 this this DT 33154 729 12 , , , 33154 729 13 that that IN 33154 729 14 such such JJ 33154 729 15 is be VBZ 33154 729 16 very very RB 33154 729 17 far far RB 33154 729 18 from from IN 33154 729 19 being be VBG 33154 729 20 the the DT 33154 729 21 case case NN 33154 729 22 . . . 33154 730 1 The the DT 33154 730 2 fact fact NN 33154 730 3 is be VBZ 33154 730 4 , , , 33154 730 5 it -PRON- PRP 33154 730 6 is be VBZ 33154 730 7 a a DT 33154 730 8 beautiful beautiful JJ 33154 730 9 example example NN 33154 730 10 of of IN 33154 730 11 the the DT 33154 730 12 convertibility convertibility NN 33154 730 13 of of IN 33154 730 14 forces force NNS 33154 730 15 from from IN 33154 730 16 one one CD 33154 730 17 form form NN 33154 730 18 to to IN 33154 730 19 another another DT 33154 730 20 . . . 33154 731 1 There there EX 33154 731 2 is be VBZ 33154 731 3 first first RB 33154 731 4 the the DT 33154 731 5 initial initial JJ 33154 731 6 vibratory vibratory NNP 33154 731 7 mechanical mechanical JJ 33154 731 8 motion motion NN 33154 731 9 of of IN 33154 731 10 the the DT 33154 731 11 air air NN 33154 731 12 , , , 33154 731 13 which which WDT 33154 731 14 is be VBZ 33154 731 15 imparted impart VBN 33154 731 16 to to IN 33154 731 17 the the DT 33154 731 18 membrane membrane NN 33154 731 19 carrying carry VBG 33154 731 20 the the DT 33154 731 21 iron iron NN 33154 731 22 . . . 33154 732 1 This this DT 33154 732 2 motion motion NN 33154 732 3 is be VBZ 33154 732 4 converted convert VBN 33154 732 5 into into IN 33154 732 6 electricity electricity NN 33154 732 7 in in IN 33154 732 8 the the DT 33154 732 9 coil coil NN 33154 732 10 of of IN 33154 732 11 wire wire NN 33154 732 12 surrounding surround VBG 33154 732 13 the the DT 33154 732 14 electro electro JJ 33154 732 15 - - HYPH 33154 732 16 magnet magnet NN 33154 732 17 , , , 33154 732 18 and and CC 33154 732 19 at at IN 33154 732 20 the the DT 33154 732 21 receiving receiving NN 33154 732 22 - - HYPH 33154 732 23 end end NN 33154 732 24 is be VBZ 33154 732 25 first first RB 33154 732 26 effective effective JJ 33154 732 27 as as IN 33154 732 28 magnetism magnetism NN 33154 732 29 , , , 33154 732 30 which which WDT 33154 732 31 is be VBZ 33154 732 32 again again RB 33154 732 33 converted convert VBN 33154 732 34 into into IN 33154 732 35 vibratory vibratory JJ 33154 732 36 motion motion NN 33154 732 37 of of IN 33154 732 38 the the DT 33154 732 39 iron iron NN 33154 732 40 armature armature NN 33154 732 41 , , , 33154 732 42 which which WDT 33154 732 43 motion motion NN 33154 732 44 is be VBZ 33154 732 45 imparted impart VBN 33154 732 46 to to IN 33154 732 47 the the DT 33154 732 48 air air NN 33154 732 49 , , , 33154 732 50 and and CC 33154 732 51 so so RB 33154 732 52 becomes become VBZ 33154 732 53 again again RB 33154 732 54 a a DT 33154 732 55 sound sound JJ 33154 732 56 - - HYPH 33154 732 57 wave wave NN 33154 732 58 in in IN 33154 732 59 air air NN 33154 732 60 like like IN 33154 732 61 the the DT 33154 732 62 original original JJ 33154 732 63 one one NN 33154 732 64 . . . 33154 733 1 This this DT 33154 733 2 was be VBD 33154 733 3 the the DT 33154 733 4 first first JJ 33154 733 5 speaking speaking NN 33154 733 6 - - HYPH 33154 733 7 telephone telephone NN 33154 733 8 that that WDT 33154 733 9 was be VBD 33154 733 10 ever ever RB 33154 733 11 constructed construct VBN 33154 733 12 , , , 33154 733 13 so so RB 33154 733 14 far far RB 33154 733 15 as as IN 33154 733 16 the the DT 33154 733 17 writer writer NN 33154 733 18 is be VBZ 33154 733 19 aware aware JJ 33154 733 20 , , , 33154 733 21 but but CC 33154 733 22 it -PRON- PRP 33154 733 23 was be VBD 33154 733 24 not not RB 33154 733 25 a a DT 33154 733 26 practicable practicable JJ 33154 733 27 instrument instrument NN 33154 733 28 . . . 33154 734 1 Many many JJ 33154 734 2 sounds sound NNS 33154 734 3 were be VBD 33154 734 4 not not RB 33154 734 5 reproduced reproduce VBN 33154 734 6 at at RB 33154 734 7 all all RB 33154 734 8 , , , 33154 734 9 and and CC 33154 734 10 , , , 33154 734 11 according accord VBG 33154 734 12 to to IN 33154 734 13 the the DT 33154 734 14 report report NN 33154 734 15 of of IN 33154 734 16 the the DT 33154 734 17 judges judge NNS 33154 734 18 at at IN 33154 734 19 the the DT 33154 734 20 Philadelphia Philadelphia NNP 33154 734 21 Exposition Exposition NNP 33154 734 22 , , , 33154 734 23 one one CD 33154 734 24 needed need VBD 33154 734 25 to to TO 33154 734 26 shout shout VB 33154 734 27 himself -PRON- PRP 33154 734 28 hoarse hoarse JJ 33154 734 29 in in IN 33154 734 30 order order NN 33154 734 31 that that IN 33154 734 32 he -PRON- PRP 33154 734 33 might may MD 33154 734 34 be be VB 33154 734 35 heard hear VBN 33154 734 36 at at RB 33154 734 37 all all RB 33154 734 38 . . . 33154 735 1 THE the DT 33154 735 2 AUTHOR AUTHOR NNP 33154 735 3 'S 'S NNP 33154 735 4 TELEPHONE telephone NN 33154 735 5 . . . 33154 736 1 For for IN 33154 736 2 several several JJ 33154 736 3 years year NNS 33154 736 4 past past IN 33154 736 5 my -PRON- PRP$ 33154 736 6 regularly regularly RB 33154 736 7 recurring recur VBG 33154 736 8 duties duty NNS 33154 736 9 have have VBP 33154 736 10 taken take VBN 33154 736 11 me -PRON- PRP 33154 736 12 over over IN 33154 736 13 the the DT 33154 736 14 various various JJ 33154 736 15 subjects subject NNS 33154 736 16 treated treat VBN 33154 736 17 of of IN 33154 736 18 in in IN 33154 736 19 this this DT 33154 736 20 book book NN 33154 736 21 , , , 33154 736 22 and and CC 33154 736 23 each each DT 33154 736 24 one one NN 33154 736 25 has have VBZ 33154 736 26 been be VBN 33154 736 27 extensively extensively RB 33154 736 28 illustrated illustrate VBN 33154 736 29 in in IN 33154 736 30 an an DT 33154 736 31 experimental experimental JJ 33154 736 32 way way NN 33154 736 33 , , , 33154 736 34 and and CC 33154 736 35 a a DT 33154 736 36 considerable considerable JJ 33154 736 37 number number NN 33154 736 38 of of IN 33154 736 39 new new JJ 33154 736 40 pieces piece NNS 33154 736 41 of of IN 33154 736 42 apparatus apparatus NN 33154 736 43 and and CC 33154 736 44 new new JJ 33154 736 45 experiments experiment NNS 33154 736 46 to to TO 33154 736 47 exhibit exhibit VB 33154 736 48 their -PRON- PRP$ 33154 736 49 phenomena phenomenon NNS 33154 736 50 have have VBP 33154 736 51 been be VBN 33154 736 52 devised devise VBN 33154 736 53 by by IN 33154 736 54 me -PRON- PRP 33154 736 55 . . . 33154 737 1 Among among IN 33154 737 2 these these DT 33154 737 3 , , , 33154 737 4 I -PRON- PRP 33154 737 5 would would MD 33154 737 6 mention mention VB 33154 737 7 the the DT 33154 737 8 following:-- following:-- CD 33154 737 9 1 1 CD 33154 737 10 . . . 33154 738 1 Measurement Measurement NNP 33154 738 2 of of IN 33154 738 3 the the DT 33154 738 4 elongation elongation NN 33154 738 5 of of IN 33154 738 6 a a DT 33154 738 7 magnetized magnetize VBN 33154 738 8 bar bar NN 33154 738 9 . . . 33154 739 1 2 2 LS 33154 739 2 . . . 33154 740 1 A a DT 33154 740 2 magneto magneto NN 33154 740 3 - - HYPH 33154 740 4 electric electric JJ 33154 740 5 telegraph telegraph NN 33154 740 6 . . . 33154 741 1 3 3 LS 33154 741 2 . . . 33154 742 1 An an DT 33154 742 2 electro electro JJ 33154 742 3 - - HYPH 33154 742 4 magnetic magnetic JJ 33154 742 5 instrument instrument NN 33154 742 6 for for IN 33154 742 7 demonstrating demonstrate VBG 33154 742 8 the the DT 33154 742 9 rotation rotation NN 33154 742 10 of of IN 33154 742 11 the the DT 33154 742 12 earth earth NN 33154 742 13 . . . 33154 743 1 4 4 LS 33154 743 2 . . . 33154 744 1 The the DT 33154 744 2 permanent permanent JJ 33154 744 3 magnetism magnetism NN 33154 744 4 of of IN 33154 744 5 the the DT 33154 744 6 magnetic magnetic JJ 33154 744 7 phantom phantom NN 33154 744 8 . . . 33154 745 1 5 5 CD 33154 745 2 . . . 33154 746 1 The the DT 33154 746 2 convertibility convertibility NN 33154 746 3 of of IN 33154 746 4 sound sound NN 33154 746 5 into into IN 33154 746 6 electricity electricity NN 33154 746 7 . . . 33154 747 1 6 6 CD 33154 747 2 . . . 33154 748 1 The the DT 33154 748 2 induction induction NN 33154 748 3 of of IN 33154 748 4 a a DT 33154 748 5 vibrating vibrate VBG 33154 748 6 magnet magnet NN 33154 748 7 upon upon IN 33154 748 8 an an DT 33154 748 9 electric electric JJ 33154 748 10 circuit circuit NN 33154 748 11 . . . 33154 749 1 7 7 LS 33154 749 2 . . . 33154 750 1 The the DT 33154 750 2 origination origination NN 33154 750 3 of of IN 33154 750 4 electric electric JJ 33154 750 5 waves wave NNS 33154 750 6 in in IN 33154 750 7 a a DT 33154 750 8 circuit circuit NN 33154 750 9 by by IN 33154 750 10 a a DT 33154 750 11 sounding sound VBG 33154 750 12 magnet magnet NN 33154 750 13 . . . 33154 751 1 8 8 LS 33154 751 2 . . . 33154 752 1 The the DT 33154 752 2 discovery discovery NN 33154 752 3 of of IN 33154 752 4 the the DT 33154 752 5 action action NN 33154 752 6 of of IN 33154 752 7 the the DT 33154 752 8 air air NN 33154 752 9 in in IN 33154 752 10 a a DT 33154 752 11 sounding sound VBG 33154 752 12 organ organ NN 33154 752 13 - - HYPH 33154 752 14 pipe pipe NN 33154 752 15 . . . 33154 753 1 9 9 CD 33154 753 2 . . . 33154 754 1 Two two CD 33154 754 2 or or CC 33154 754 3 three three CD 33154 754 4 methods method NNS 33154 754 5 for for IN 33154 754 6 studying study VBG 33154 754 7 the the DT 33154 754 8 vibrations vibration NNS 33154 754 9 of of IN 33154 754 10 membranes membrane NNS 33154 754 11 . . . 33154 755 1 10 10 CD 33154 755 2 . . . 33154 756 1 Lissajous lissajous JJ 33154 756 2 forks fork NNS 33154 756 3 for for IN 33154 756 4 enlarged enlarged JJ 33154 756 5 projections projection NNS 33154 756 6 of of IN 33154 756 7 sound sound JJ 33154 756 8 vibrations vibration NNS 33154 756 9 . . . 33154 757 1 As as RB 33154 757 2 soon soon RB 33154 757 3 , , , 33154 757 4 therefore therefore RB 33154 757 5 , , , 33154 757 6 as as IN 33154 757 7 I -PRON- PRP 33154 757 8 gave give VBD 33154 757 9 attention attention NN 33154 757 10 to to IN 33154 757 11 the the DT 33154 757 12 subject subject NN 33154 757 13 of of IN 33154 757 14 telephony telephony NN 33154 757 15 , , , 33154 757 16 I -PRON- PRP 33154 757 17 was be VBD 33154 757 18 able able JJ 33154 757 19 , , , 33154 757 20 with with IN 33154 757 21 a a DT 33154 757 22 few few JJ 33154 757 23 preliminary preliminary JJ 33154 757 24 experiments experiment NNS 33154 757 25 , , , 33154 757 26 to to TO 33154 757 27 determine determine VB 33154 757 28 the the DT 33154 757 29 proper proper JJ 33154 757 30 conditions condition NNS 33154 757 31 for for IN 33154 757 32 the the DT 33154 757 33 transmission transmission NN 33154 757 34 of of IN 33154 757 35 speech speech NN 33154 757 36 in in IN 33154 757 37 an an DT 33154 757 38 electric electric JJ 33154 757 39 circuit circuit NN 33154 757 40 ; ; : 33154 757 41 and and CC 33154 757 42 , , , 33154 757 43 without without IN 33154 757 44 the the DT 33154 757 45 slightest slight JJS 33154 757 46 knowledge knowledge NN 33154 757 47 of of IN 33154 757 48 the the DT 33154 757 49 mechanism mechanism NN 33154 757 50 which which WDT 33154 757 51 Prof. Prof. NNP 33154 757 52 Bell Bell NNP 33154 757 53 had have VBD 33154 757 54 used use VBN 33154 757 55 , , , 33154 757 56 I -PRON- PRP 33154 757 57 devised devise VBD 33154 757 58 the the DT 33154 757 59 following follow VBG 33154 757 60 arrangement arrangement NN 33154 757 61 for for IN 33154 757 62 a a DT 33154 757 63 speaking speak VBG 33154 757 64 - - HYPH 33154 757 65 telephone telephone NN 33154 757 66 . . . 33154 758 1 [ [ -LRB- 33154 758 2 Illustration illustration NN 33154 758 3 : : : 33154 758 4 FIG FIG NNP 33154 758 5 . . . 33154 759 1 14.--MY 14.--my CD 33154 759 2 FIRST FIRST NNP 33154 759 3 SPEAKING SPEAKING NNP 33154 759 4 TELEPHONE telephone NN 33154 759 5 . . . 33154 759 6 ] ] -RRB- 33154 760 1 [ [ -LRB- 33154 760 2 Illustration illustration NN 33154 760 3 : : : 33154 760 4 FIG FIG NNP 33154 760 5 . . . 33154 761 1 14.--END 14.--end CD 33154 761 2 VIEW VIEW NNP 33154 761 3 . . . 33154 761 4 ] ] -RRB- 33154 762 1 My -PRON- PRP$ 33154 762 2 first first JJ 33154 762 3 speaking speaking NN 33154 762 4 - - HYPH 33154 762 5 telephone telephone NN 33154 762 6 , , , 33154 762 7 Fig Fig NNP 33154 762 8 . . . 33154 763 1 14 14 CD 33154 763 2 , , , 33154 763 3 consisted consist VBD 33154 763 4 of of IN 33154 763 5 a a DT 33154 763 6 magnet magnet NN 33154 763 7 made make VBN 33154 763 8 out out IN 33154 763 9 of of IN 33154 763 10 half half JJ 33154 763 11 - - HYPH 33154 763 12 inch inch NN 33154 763 13 round round JJ 33154 763 14 steel steel NN 33154 763 15 bent bent JJ 33154 763 16 into into IN 33154 763 17 a a DT 33154 763 18 U u NN 33154 763 19 form form NN 33154 763 20 , , , 33154 763 21 having have VBG 33154 763 22 the the DT 33154 763 23 poles pole NNS 33154 763 24 about about IN 33154 763 25 two two CD 33154 763 26 inches inch NNS 33154 763 27 apart apart RB 33154 763 28 . . . 33154 764 1 Over over IN 33154 764 2 these these DT 33154 764 3 were be VBD 33154 764 4 slipped slip VBN 33154 764 5 two two CD 33154 764 6 bobbins bobbin NNS 33154 764 7 taken take VBN 33154 764 8 from from IN 33154 764 9 an an DT 33154 764 10 old old JJ 33154 764 11 telegraph telegraph NN 33154 764 12 register register NN 33154 764 13 , , , 33154 764 14 and and CC 33154 764 15 were be VBD 33154 764 16 already already RB 33154 764 17 fitted fit VBN 33154 764 18 to to IN 33154 764 19 a a DT 33154 764 20 half half JJ 33154 764 21 - - HYPH 33154 764 22 inch inch NN 33154 764 23 core core NN 33154 764 24 . . . 33154 765 1 These these DT 33154 765 2 bobbins bobbin NNS 33154 765 3 , , , 33154 765 4 two two CD 33154 765 5 inches inch NNS 33154 765 6 and and CC 33154 765 7 a a DT 33154 765 8 half half NN 33154 765 9 long long JJ 33154 765 10 , , , 33154 765 11 were be VBD 33154 765 12 wound wind VBN 33154 765 13 with with IN 33154 765 14 cotton cotton NN 33154 765 15 - - HYPH 33154 765 16 covered cover VBN 33154 765 17 copper copper NN 33154 765 18 wire wire NN 33154 765 19 , , , 33154 765 20 No no UH 33154 765 21 . . . 33154 766 1 23 23 CD 33154 766 2 , , , 33154 766 3 each each DT 33154 766 4 bobbin bobbin NN 33154 766 5 containing contain VBG 33154 766 6 about about IN 33154 766 7 150 150 CD 33154 766 8 feet foot NNS 33154 766 9 . . . 33154 767 1 This this DT 33154 767 2 magnet magnet NN 33154 767 3 , , , 33154 767 4 with with IN 33154 767 5 the the DT 33154 767 6 bobbins bobbin NNS 33154 767 7 slipped slip VBD 33154 767 8 upon upon IN 33154 767 9 its -PRON- PRP$ 33154 767 10 poles pole NNS 33154 767 11 , , , 33154 767 12 was be VBD 33154 767 13 made make VBN 33154 767 14 fast fast JJ 33154 767 15 to to IN 33154 767 16 a a DT 33154 767 17 post post NN 33154 767 18 two two CD 33154 767 19 or or CC 33154 767 20 three three CD 33154 767 21 inches inch NNS 33154 767 22 high high JJ 33154 767 23 . . . 33154 768 1 The the DT 33154 768 2 steel steel NN 33154 768 3 was be VBD 33154 768 4 made make VBN 33154 768 5 as as RB 33154 768 6 strongly strongly RB 33154 768 7 magnetic magnetic JJ 33154 768 8 as as IN 33154 768 9 was be VBD 33154 768 10 possible possible JJ 33154 768 11 , , , 33154 768 12 and and CC 33154 768 13 would would MD 33154 768 14 hold hold VB 33154 768 15 up up RP 33154 768 16 three three CD 33154 768 17 or or CC 33154 768 18 four four CD 33154 768 19 times time NNS 33154 768 20 its -PRON- PRP$ 33154 768 21 own own JJ 33154 768 22 weight weight NN 33154 768 23 . . . 33154 769 1 In in IN 33154 769 2 front front NN 33154 769 3 of of IN 33154 769 4 the the DT 33154 769 5 poles pole NNS 33154 769 6 , , , 33154 769 7 a a DT 33154 769 8 sheet sheet NN 33154 769 9 of of IN 33154 769 10 thin thin JJ 33154 769 11 steel steel NN 33154 769 12 , , , 33154 769 13 one one CD 33154 769 14 - - HYPH 33154 769 15 fiftieth fiftieth NN 33154 769 16 of of IN 33154 769 17 an an DT 33154 769 18 inch inch NN 33154 769 19 thick thick JJ 33154 769 20 , , , 33154 769 21 was be VBD 33154 769 22 made make VBN 33154 769 23 fast fast JJ 33154 769 24 to to IN 33154 769 25 an an DT 33154 769 26 upright upright JJ 33154 769 27 board board NN 33154 769 28 having have VBG 33154 769 29 a a DT 33154 769 30 hole hole NN 33154 769 31 cut cut VBN 33154 769 32 through through IN 33154 769 33 it -PRON- PRP 33154 769 34 three three CD 33154 769 35 and and CC 33154 769 36 a a DT 33154 769 37 half half NN 33154 769 38 inches inch NNS 33154 769 39 in in IN 33154 769 40 diameter diameter NN 33154 769 41 ( ( -LRB- 33154 769 42 Fig fig NN 33154 769 43 . . . 33154 770 1 14 14 CD 33154 770 2 , , , 33154 770 3 end end VB 33154 770 4 view view NN 33154 770 5 ) ) -RRB- 33154 770 6 ; ; : 33154 770 7 the the DT 33154 770 8 plate plate NN 33154 770 9 was be VBD 33154 770 10 screwed screw VBN 33154 770 11 tightly tightly RB 33154 770 12 to to IN 33154 770 13 this this DT 33154 770 14 board board NN 33154 770 15 , , , 33154 770 16 so so IN 33154 770 17 as as IN 33154 770 18 to to TO 33154 770 19 cover cover VB 33154 770 20 the the DT 33154 770 21 hole hole NN 33154 770 22 ; ; : 33154 770 23 and and CC 33154 770 24 the the DT 33154 770 25 middle middle NN 33154 770 26 of of IN 33154 770 27 the the DT 33154 770 28 hole hole NN 33154 770 29 was be VBD 33154 770 30 at at IN 33154 770 31 the the DT 33154 770 32 same same JJ 33154 770 33 height height NN 33154 770 34 as as IN 33154 770 35 the the DT 33154 770 36 two two CD 33154 770 37 poles pole NNS 33154 770 38 of of IN 33154 770 39 the the DT 33154 770 40 magnet magnet NN 33154 770 41 . . . 33154 771 1 The the DT 33154 771 2 wires wire NNS 33154 771 3 from from IN 33154 771 4 the the DT 33154 771 5 two two CD 33154 771 6 bobbins bobbin NNS 33154 771 7 were be VBD 33154 771 8 connected connect VBN 33154 771 9 , , , 33154 771 10 as as IN 33154 771 11 if if IN 33154 771 12 to to TO 33154 771 13 make make VB 33154 771 14 an an DT 33154 771 15 electro electro JJ 33154 771 16 - - HYPH 33154 771 17 magnet magnet NN 33154 771 18 ; ; : 33154 771 19 while while IN 33154 771 20 the the DT 33154 771 21 two two CD 33154 771 22 free free JJ 33154 771 23 terminals terminal NNS 33154 771 24 were be VBD 33154 771 25 to to TO 33154 771 26 be be VB 33154 771 27 connected connect VBN 33154 771 28 with with IN 33154 771 29 the the DT 33154 771 30 line line NN 33154 771 31 - - HYPH 33154 771 32 wires wire NNS 33154 771 33 . . . 33154 772 1 Of of RB 33154 772 2 course course RB 33154 772 3 there there EX 33154 772 4 were be VBD 33154 772 5 two two CD 33154 772 6 of of IN 33154 772 7 these these DT 33154 772 8 instruments instrument NNS 33154 772 9 , , , 33154 772 10 both both CC 33154 772 11 alike alike RB 33154 772 12 ; ; : 33154 772 13 and and CC 33154 772 14 talking talk VBG 33154 772 15 and and CC 33154 772 16 singing singing NN 33154 772 17 were be VBD 33154 772 18 reproduced reproduce VBN 33154 772 19 with with IN 33154 772 20 these these DT 33154 772 21 . . . 33154 773 1 A a DT 33154 773 2 very very RB 33154 773 3 great great JJ 33154 773 4 number number NN 33154 773 5 of of IN 33154 773 6 experiments experiment NNS 33154 773 7 have have VBP 33154 773 8 been be VBN 33154 773 9 made make VBN 33154 773 10 to to TO 33154 773 11 determine determine VB 33154 773 12 the the DT 33154 773 13 best good JJS 33154 773 14 conditions condition NNS 33154 773 15 for for IN 33154 773 16 each each DT 33154 773 17 of of IN 33154 773 18 the the DT 33154 773 19 essential essential JJ 33154 773 20 parts,--the parts,--the NNP 33154 773 21 size size NN 33154 773 22 and and CC 33154 773 23 strength strength NN 33154 773 24 of of IN 33154 773 25 the the DT 33154 773 26 magnet magnet NN 33154 773 27 , , , 33154 773 28 the the DT 33154 773 29 size size NN 33154 773 30 of of IN 33154 773 31 the the DT 33154 773 32 bobbins bobbin NNS 33154 773 33 , , , 33154 773 34 as as IN 33154 773 35 to to IN 33154 773 36 length length NN 33154 773 37 and and CC 33154 773 38 fineness fineness NN 33154 773 39 of of IN 33154 773 40 wire wire NN 33154 773 41 , , , 33154 773 42 the the DT 33154 773 43 best good JJS 33154 773 44 thickness thickness NN 33154 773 45 for for IN 33154 773 46 the the DT 33154 773 47 plate plate NN 33154 773 48 for for IN 33154 773 49 absorbing absorb VBG 33154 773 50 the the DT 33154 773 51 vibrations vibration NNS 33154 773 52 , , , 33154 773 53 & & CC 33154 773 54 c. c. NNP 33154 773 55 ; ; : 33154 773 56 and and CC 33154 773 57 it -PRON- PRP 33154 773 58 is be VBZ 33154 773 59 really really RB 33154 773 60 surprising surprising JJ 33154 773 61 , , , 33154 773 62 how how WRB 33154 773 63 little little JJ 33154 773 64 is be VBZ 33154 773 65 the the DT 33154 773 66 difference difference NN 33154 773 67 between between IN 33154 773 68 very very RB 33154 773 69 wide wide JJ 33154 773 70 limits limit NNS 33154 773 71 . . . 33154 774 1 The the DT 33154 774 2 following follow VBG 33154 774 3 directions direction NNS 33154 774 4 will will MD 33154 774 5 enable enable VB 33154 774 6 any any DT 33154 774 7 one one NN 33154 774 8 to to TO 33154 774 9 construct construct VB 33154 774 10 a a DT 33154 774 11 speaking speaking NN 33154 774 12 - - HYPH 33154 774 13 telephone telephone NN 33154 774 14 with with IN 33154 774 15 which which WDT 33154 774 16 good good JJ 33154 774 17 results result NNS 33154 774 18 may may MD 33154 774 19 be be VB 33154 774 20 obtained obtain VBN 33154 774 21 . . . 33154 775 1 The the DT 33154 775 2 specifications specification NNS 33154 775 3 will will MD 33154 775 4 be be VB 33154 775 5 for for IN 33154 775 6 only only RB 33154 775 7 one one CD 33154 775 8 instrument instrument NN 33154 775 9 ; ; : 33154 775 10 though though IN 33154 775 11 of of IN 33154 775 12 course course NN 33154 775 13 two two CD 33154 775 14 instruments instrument NNS 33154 775 15 made make VBN 33154 775 16 alike alike RB 33154 775 17 will will MD 33154 775 18 be be VB 33154 775 19 necessary necessary JJ 33154 775 20 for for IN 33154 775 21 any any DT 33154 775 22 purposes purpose NNS 33154 775 23 of of IN 33154 775 24 speaking speaking NN 33154 775 25 or or CC 33154 775 26 other other JJ 33154 775 27 signals signal NNS 33154 775 28 . . . 33154 776 1 [ [ -LRB- 33154 776 2 Illustration illustration NN 33154 776 3 : : : 33154 776 4 FIG FIG NNP 33154 776 5 . . . 33154 777 1 15 15 CD 33154 777 2 . . . 33154 777 3 ] ] -RRB- 33154 778 1 [ [ -LRB- 33154 778 2 Illustration illustration NN 33154 778 3 : : : 33154 778 4 FIG FIG NNP 33154 778 5 . . . 33154 779 1 16 16 CD 33154 779 2 . . . 33154 779 3 ] ] -RRB- 33154 780 1 Procure procure NN 33154 780 2 three three CD 33154 780 3 common common JJ 33154 780 4 horse horse NN 33154 780 5 - - HYPH 33154 780 6 shoe shoe NN 33154 780 7 magnets magnet NNS 33154 780 8 about about IN 33154 780 9 six six CD 33154 780 10 inches inch NNS 33154 780 11 long long JJ 33154 780 12 , , , 33154 780 13 all all DT 33154 780 14 of of IN 33154 780 15 the the DT 33154 780 16 same same JJ 33154 780 17 size size NN 33154 780 18 ; ; : 33154 780 19 these these DT 33154 780 20 retail retail NN 33154 780 21 in in IN 33154 780 22 the the DT 33154 780 23 market market NN 33154 780 24 at at IN 33154 780 25 about about RB 33154 780 26 a a DT 33154 780 27 dollar dollar NN 33154 780 28 apiece apiece RB 33154 780 29 . . . 33154 781 1 They -PRON- PRP 33154 781 2 should should MD 33154 781 3 be be VB 33154 781 4 strong strong JJ 33154 781 5 enough enough RB 33154 781 6 to to TO 33154 781 7 hold hold VB 33154 781 8 up up RP 33154 781 9 several several JJ 33154 781 10 times time NNS 33154 781 11 their -PRON- PRP$ 33154 781 12 own own JJ 33154 781 13 weight weight NN 33154 781 14 each each DT 33154 781 15 . . . 33154 782 1 Next next RB 33154 782 2 , , , 33154 782 3 have have VBP 33154 782 4 turned turn VBN 33154 782 5 out out IN 33154 782 6 of of IN 33154 782 7 good good JJ 33154 782 8 hard hard RB 33154 782 9 wood,--such wood,--such NNP 33154 782 10 as as IN 33154 782 11 maple maple NN 33154 782 12 or or CC 33154 782 13 boxwood,--two boxwood,--two JJ 33154 782 14 spools spool NNS 33154 782 15 not not RB 33154 782 16 over over IN 33154 782 17 half half PDT 33154 782 18 an an DT 33154 782 19 inch inch NN 33154 782 20 long long RB 33154 782 21 and and CC 33154 782 22 an an DT 33154 782 23 inch inch NN 33154 782 24 and and CC 33154 782 25 a a DT 33154 782 26 half half NN 33154 782 27 broad broad JJ 33154 782 28 , , , 33154 782 29 the the DT 33154 782 30 sides side NNS 33154 782 31 cut cut VBD 33154 782 32 square square JJ 33154 782 33 both both DT 33154 782 34 inside inside RB 33154 782 35 and and CC 33154 782 36 out out RB 33154 782 37 , , , 33154 782 38 as as IN 33154 782 39 shown show VBN 33154 782 40 at at IN 33154 782 41 S S NNP 33154 782 42 , , , 33154 782 43 Fig Fig NNP 33154 782 44 . . . 33154 783 1 15 15 CD 33154 783 2 ; ; : 33154 783 3 a a DT 33154 783 4 hole hole NN 33154 783 5 the the DT 33154 783 6 third third JJ 33154 783 7 of of IN 33154 783 8 an an DT 33154 783 9 inch inch NN 33154 783 10 in in IN 33154 783 11 diameter diameter NN 33154 783 12 is be VBZ 33154 783 13 to to TO 33154 783 14 be be VB 33154 783 15 made make VBN 33154 783 16 through through IN 33154 783 17 the the DT 33154 783 18 spool spool NN 33154 783 19 . . . 33154 784 1 Into into IN 33154 784 2 this this DT 33154 784 3 hole hole NN 33154 784 4 is be VBZ 33154 784 5 to to TO 33154 784 6 be be VB 33154 784 7 fitted fit VBN 33154 784 8 a a DT 33154 784 9 short short JJ 33154 784 10 rod rod NN 33154 784 11 of of IN 33154 784 12 soft soft JJ 33154 784 13 iron iron NN 33154 784 14 , , , 33154 784 15 I -PRON- PRP 33154 784 16 , , , 33154 784 17 about about IN 33154 784 18 an an DT 33154 784 19 inch inch NN 33154 784 20 long long RB 33154 784 21 , , , 33154 784 22 which which WDT 33154 784 23 should should MD 33154 784 24 be be VB 33154 784 25 a a DT 33154 784 26 little little RB 33154 784 27 rounded rounded JJ 33154 784 28 at at IN 33154 784 29 the the DT 33154 784 30 outer outer JJ 33154 784 31 end end NN 33154 784 32 . . . 33154 785 1 The the DT 33154 785 2 bobbins bobbin NNS 33154 785 3 may may MD 33154 785 4 be be VB 33154 785 5 wound wind VBN 33154 785 6 with with IN 33154 785 7 as as RB 33154 785 8 much much JJ 33154 785 9 insulated insulated JJ 33154 785 10 copper copper NN 33154 785 11 wire wire NN 33154 785 12 as as IN 33154 785 13 they -PRON- PRP 33154 785 14 will will MD 33154 785 15 hold hold VB 33154 785 16 . . . 33154 786 1 The the DT 33154 786 2 wire wire NN 33154 786 3 may may MD 33154 786 4 be be VB 33154 786 5 from from IN 33154 786 6 the the DT 33154 786 7 one one CD 33154 786 8 - - HYPH 33154 786 9 fortieth fortieth JJ 33154 786 10 to to IN 33154 786 11 the the DT 33154 786 12 one one CD 33154 786 13 - - HYPH 33154 786 14 fiftieth fiftieth NN 33154 786 15 of of IN 33154 786 16 an an DT 33154 786 17 inch inch NN 33154 786 18 in in IN 33154 786 19 diameter diameter NN 33154 786 20 , , , 33154 786 21 as as IN 33154 786 22 is be VBZ 33154 786 23 most most RBS 33154 786 24 convenient convenient JJ 33154 786 25 to to TO 33154 786 26 obtain obtain VB 33154 786 27 , , , 33154 786 28 the the DT 33154 786 29 latter latter JJ 33154 786 30 size size NN 33154 786 31 being be VBG 33154 786 32 preferable preferable JJ 33154 786 33 . . . 33154 787 1 The the DT 33154 787 2 resistance resistance NN 33154 787 3 of of IN 33154 787 4 such such JJ 33154 787 5 bobbins bobbin NNS 33154 787 6 will will MD 33154 787 7 probably probably RB 33154 787 8 be be VB 33154 787 9 from from IN 33154 787 10 two two CD 33154 787 11 to to TO 33154 787 12 three three CD 33154 787 13 ohms ohm NNS 33154 787 14 each each DT 33154 787 15 . . . 33154 788 1 The the DT 33154 788 2 soft soft JJ 33154 788 3 - - HYPH 33154 788 4 iron iron NN 33154 788 5 core core NN 33154 788 6 I -PRON- PRP 33154 788 7 must must MD 33154 788 8 project project VB 33154 788 9 backwards backwards RB 33154 788 10 far far RB 33154 788 11 enough enough RB 33154 788 12 to to TO 33154 788 13 be be VB 33154 788 14 clamped clamp VBN 33154 788 15 between between IN 33154 788 16 the the DT 33154 788 17 two two CD 33154 788 18 outer outer JJ 33154 788 19 magnets magnet NNS 33154 788 20 1 1 CD 33154 788 21 and and CC 33154 788 22 3 3 CD 33154 788 23 , , , 33154 788 24 while while IN 33154 788 25 the the DT 33154 788 26 inner inner JJ 33154 788 27 one one CD 33154 788 28 , , , 33154 788 29 2 2 CD 33154 788 30 , , , 33154 788 31 is be VBZ 33154 788 32 drawn draw VBN 33154 788 33 back back RB 33154 788 34 . . . 33154 789 1 When when WRB 33154 789 2 the the DT 33154 789 3 bobbins bobbin NNS 33154 789 4 are be VBP 33154 789 5 in in IN 33154 789 6 their -PRON- PRP$ 33154 789 7 places place NNS 33154 789 8 , , , 33154 789 9 and and CC 33154 789 10 are be VBP 33154 789 11 clamped clamp VBN 33154 789 12 between between IN 33154 789 13 the the DT 33154 789 14 upper upper JJ 33154 789 15 and and CC 33154 789 16 lower low JJR 33154 789 17 magnets magnet NNS 33154 789 18 , , , 33154 789 19 they -PRON- PRP 33154 789 20 will will MD 33154 789 21 stand stand VB 33154 789 22 as as IN 33154 789 23 shown show VBN 33154 789 24 in in IN 33154 789 25 Fig Fig NNP 33154 789 26 . . . 33154 790 1 16 16 CD 33154 790 2 , , , 33154 790 3 where where WRB 33154 790 4 the the DT 33154 790 5 view view NN 33154 790 6 is be VBZ 33154 790 7 from from IN 33154 790 8 above above RB 33154 790 9 ; ; : 33154 790 10 the the DT 33154 790 11 magnets magnet NNS 33154 790 12 being be VBG 33154 790 13 buttoned button VBN 33154 790 14 down down RP 33154 790 15 to to IN 33154 790 16 the the DT 33154 790 17 block block NN 33154 790 18 they -PRON- PRP 33154 790 19 rest rest VBP 33154 790 20 on on IN 33154 790 21 ( ( -LRB- 33154 790 22 see see VB 33154 790 23 Fig Fig NNP 33154 790 24 . . . 33154 791 1 17 17 CD 33154 791 2 ) ) -RRB- 33154 791 3 , , , 33154 791 4 which which WDT 33154 791 5 at at IN 33154 791 6 the the DT 33154 791 7 same same JJ 33154 791 8 time time NN 33154 791 9 holds hold VBZ 33154 791 10 the the DT 33154 791 11 soft soft JJ 33154 791 12 - - HYPH 33154 791 13 iron iron NN 33154 791 14 rods rod NNS 33154 791 15 with with IN 33154 791 16 the the DT 33154 791 17 bobbins bobbin NNS 33154 791 18 upon upon IN 33154 791 19 them -PRON- PRP 33154 791 20 . . . 33154 792 1 The the DT 33154 792 2 wires wire NNS 33154 792 3 on on IN 33154 792 4 these these DT 33154 792 5 coils coil NNS 33154 792 6 must must MD 33154 792 7 be be VB 33154 792 8 connected connect VBN 33154 792 9 in in IN 33154 792 10 the the DT 33154 792 11 same same JJ 33154 792 12 way way NN 33154 792 13 they -PRON- PRP 33154 792 14 would would MD 33154 792 15 be be VB 33154 792 16 in in IN 33154 792 17 order order NN 33154 792 18 to to TO 33154 792 19 make make VB 33154 792 20 opposite opposite JJ 33154 792 21 poles pole NNS 33154 792 22 of of IN 33154 792 23 their -PRON- PRP$ 33154 792 24 outer outer JJ 33154 792 25 ends end NNS 33154 792 26 , , , 33154 792 27 if if IN 33154 792 28 a a DT 33154 792 29 current current NN 33154 792 30 of of IN 33154 792 31 electricity electricity NN 33154 792 32 were be VBD 33154 792 33 to to TO 33154 792 34 be be VB 33154 792 35 sent send VBN 33154 792 36 through through IN 33154 792 37 the the DT 33154 792 38 coils coil NNS 33154 792 39 . . . 33154 793 1 An an DT 33154 793 2 upright upright JJ 33154 793 3 board board NN 33154 793 4 B b NN 33154 793 5 ( ( -LRB- 33154 793 6 Fig Fig NNP 33154 793 7 . . . 33154 794 1 17 17 CD 33154 794 2 ) ) -RRB- 33154 794 3 six six CD 33154 794 4 or or CC 33154 794 5 seven seven CD 33154 794 6 inches inch NNS 33154 794 7 square square JJ 33154 794 8 , , , 33154 794 9 having have VBG 33154 794 10 a a DT 33154 794 11 round round JJ 33154 794 12 hole hole NN 33154 794 13 four four CD 33154 794 14 inches inch NNS 33154 794 15 in in IN 33154 794 16 diameter diameter NN 33154 794 17 cut cut VBD 33154 794 18 out out RP 33154 794 19 from from IN 33154 794 20 the the DT 33154 794 21 middle middle NN 33154 794 22 of of IN 33154 794 23 it -PRON- PRP 33154 794 24 , , , 33154 794 25 must must MD 33154 794 26 be be VB 33154 794 27 fixed fix VBN 33154 794 28 near near IN 33154 794 29 the the DT 33154 794 30 end end NN 33154 794 31 of of IN 33154 794 32 the the DT 33154 794 33 base base NN 33154 794 34 - - HYPH 33154 794 35 board board NN 33154 794 36 ; ; : 33154 794 37 and and CC 33154 794 38 over over IN 33154 794 39 this this DT 33154 794 40 hole hole NN 33154 794 41 is be VBZ 33154 794 42 to to TO 33154 794 43 be be VB 33154 794 44 screwed screw VBN 33154 794 45 _ _ NNP 33154 794 46 tightly tightly RB 33154 794 47 _ _ NNP 33154 794 48 a a DT 33154 794 49 piece piece NN 33154 794 50 of of IN 33154 794 51 thin thin JJ 33154 794 52 sheet sheet NN 33154 794 53 iron iron NN 33154 794 54 or or CC 33154 794 55 steel steel NN 33154 794 56 ; ; : 33154 794 57 it -PRON- PRP 33154 794 58 may may MD 33154 794 59 be be VB 33154 794 60 from from IN 33154 794 61 the the DT 33154 794 62 one one CD 33154 794 63 - - HYPH 33154 794 64 twentieth twentieth NN 33154 794 65 to to IN 33154 794 66 the the DT 33154 794 67 one one CD 33154 794 68 - - HYPH 33154 794 69 fiftieth fiftieth NN 33154 794 70 of of IN 33154 794 71 an an DT 33154 794 72 inch inch NN 33154 794 73 in in IN 33154 794 74 thickness thickness NN 33154 794 75 . . . 33154 795 1 It -PRON- PRP 33154 795 2 does do VBZ 33154 795 3 not not RB 33154 795 4 seem seem VB 33154 795 5 to to TO 33154 795 6 make make VB 33154 795 7 much much JJ 33154 795 8 difference difference NN 33154 795 9 about about IN 33154 795 10 the the DT 33154 795 11 thickness thickness NN 33154 795 12 of of IN 33154 795 13 this this DT 33154 795 14 plate plate NN 33154 795 15 . . . 33154 796 1 I -PRON- PRP 33154 796 2 have have VBP 33154 796 3 generally generally RB 33154 796 4 got get VBN 33154 796 5 the the DT 33154 796 6 best good JJS 33154 796 7 results result NNS 33154 796 8 from from IN 33154 796 9 a a DT 33154 796 10 plate plate NN 33154 796 11 one one CD 33154 796 12 - - HYPH 33154 796 13 fiftieth fiftieth NN 33154 796 14 of of IN 33154 796 15 an an DT 33154 796 16 inch inch NN 33154 796 17 thick thick JJ 33154 796 18 . . . 33154 797 1 The the DT 33154 797 2 upright upright JJ 33154 797 3 board board NN 33154 797 4 carrying carry VBG 33154 797 5 this this DT 33154 797 6 plate plate NN 33154 797 7 must must MD 33154 797 8 be be VB 33154 797 9 very very RB 33154 797 10 rigid rigid JJ 33154 797 11 , , , 33154 797 12 otherwise otherwise RB 33154 797 13 the the DT 33154 797 14 plate plate NN 33154 797 15 will will MD 33154 797 16 be be VB 33154 797 17 kept keep VBN 33154 797 18 tight tight JJ 33154 797 19 to to IN 33154 797 20 the the DT 33154 797 21 magnets magnet NNS 33154 797 22 all all PDT 33154 797 23 the the DT 33154 797 24 time time NN 33154 797 25 ; ; : 33154 797 26 and and CC 33154 797 27 one one CD 33154 797 28 of of IN 33154 797 29 the the DT 33154 797 30 conditions condition NNS 33154 797 31 of of IN 33154 797 32 success success NN 33154 797 33 in in IN 33154 797 34 working work VBG 33154 797 35 is be VBZ 33154 797 36 , , , 33154 797 37 that that IN 33154 797 38 this this DT 33154 797 39 plate plate NN 33154 797 40 shall shall MD 33154 797 41 be be VB 33154 797 42 as as RB 33154 797 43 close close JJ 33154 797 44 as as IN 33154 797 45 possible possible JJ 33154 797 46 to to IN 33154 797 47 the the DT 33154 797 48 magnet magnet NN 33154 797 49 - - HYPH 33154 797 50 ends end NNS 33154 797 51 , , , 33154 797 52 but but CC 33154 797 53 not not RB 33154 797 54 to to TO 33154 797 55 touch touch VB 33154 797 56 : : : 33154 797 57 therefore therefore RB 33154 797 58 fix fix VB 33154 797 59 the the DT 33154 797 60 board board NN 33154 797 61 tight tight JJ 33154 797 62 , , , 33154 797 63 and and CC 33154 797 64 adjust adjust VB 33154 797 65 the the DT 33154 797 66 magnets magnet NNS 33154 797 67 by by IN 33154 797 68 means mean NNS 33154 797 69 of of IN 33154 797 70 the the DT 33154 797 71 button button NN 33154 797 72 shown show VBN 33154 797 73 on on IN 33154 797 74 top top NN 33154 797 75 of of IN 33154 797 76 them -PRON- PRP 33154 797 77 in in IN 33154 797 78 the the DT 33154 797 79 perspective perspective JJ 33154 797 80 figure figure NN 33154 797 81 . . . 33154 798 1 [ [ -LRB- 33154 798 2 Illustration illustration NN 33154 798 3 : : : 33154 798 4 FIG FIG NNP 33154 798 5 . . . 33154 799 1 17 17 CD 33154 799 2 . . . 33154 799 3 ] ] -RRB- 33154 800 1 The the DT 33154 800 2 sounds sound NNS 33154 800 3 to to TO 33154 800 4 be be VB 33154 800 5 transmitted transmit VBN 33154 800 6 , , , 33154 800 7 of of IN 33154 800 8 whatever whatever WDT 33154 800 9 sort sort NN 33154 800 10 they -PRON- PRP 33154 800 11 may may MD 33154 800 12 be be VB 33154 800 13 , , , 33154 800 14 are be VBP 33154 800 15 to to TO 33154 800 16 be be VB 33154 800 17 made make VBN 33154 800 18 on on IN 33154 800 19 the the DT 33154 800 20 side side NN 33154 800 21 P p NN 33154 800 22 , , , 33154 800 23 Fig Fig NNP 33154 800 24 . . . 33154 801 1 16 16 CD 33154 801 2 ; ; : 33154 801 3 and and CC 33154 801 4 likewise likewise RB 33154 801 5 , , , 33154 801 6 when when WRB 33154 801 7 the the DT 33154 801 8 instrument instrument NN 33154 801 9 is be VBZ 33154 801 10 used use VBN 33154 801 11 as as IN 33154 801 12 a a DT 33154 801 13 receiver receiver NN 33154 801 14 , , , 33154 801 15 the the DT 33154 801 16 ear ear NN 33154 801 17 is be VBZ 33154 801 18 to to TO 33154 801 19 be be VB 33154 801 20 applied apply VBN 33154 801 21 at at IN 33154 801 22 the the DT 33154 801 23 same same JJ 33154 801 24 place place NN 33154 801 25 . . . 33154 802 1 A a DT 33154 802 2 tube tube NN 33154 802 3 about about RB 33154 802 4 two two CD 33154 802 5 inches inch NNS 33154 802 6 in in IN 33154 802 7 diameter diameter NN 33154 802 8 may may MD 33154 802 9 be be VB 33154 802 10 made make VBN 33154 802 11 fast fast JJ 33154 802 12 to to IN 33154 802 13 the the DT 33154 802 14 front front NN 33154 802 15 of of IN 33154 802 16 the the DT 33154 802 17 board board NN 33154 802 18 , , , 33154 802 19 in in IN 33154 802 20 a a DT 33154 802 21 line line NN 33154 802 22 with with IN 33154 802 23 the the DT 33154 802 24 centre centre NN 33154 802 25 of of IN 33154 802 26 the the DT 33154 802 27 plate plate NN 33154 802 28 ; ; : 33154 802 29 this this DT 33154 802 30 will will MD 33154 802 31 aid aid VB 33154 802 32 somewhat somewhat RB 33154 802 33 in in IN 33154 802 34 hearing hearing NN 33154 802 35 . . . 33154 803 1 When when WRB 33154 803 2 two two CD 33154 803 3 or or CC 33154 803 4 three three CD 33154 803 5 persons person NNS 33154 803 6 are be VBP 33154 803 7 to to TO 33154 803 8 sing sing VB 33154 803 9 , , , 33154 803 10 it -PRON- PRP 33154 803 11 will will MD 33154 803 12 be be VB 33154 803 13 best good JJS 33154 803 14 to to TO 33154 803 15 have have VB 33154 803 16 each each DT 33154 803 17 one one NN 33154 803 18 supplied supply VBN 33154 803 19 with with IN 33154 803 20 a a DT 33154 803 21 tube tube NN 33154 803 22 to to TO 33154 803 23 sing sing VB 33154 803 24 through through IN 33154 803 25 ; ; : 33154 803 26 one one CD 33154 803 27 end end NN 33154 803 28 of of IN 33154 803 29 the the DT 33154 803 30 tube tube NN 33154 803 31 to to TO 33154 803 32 be be VB 33154 803 33 placed place VBN 33154 803 34 close close RB 33154 803 35 to to IN 33154 803 36 the the DT 33154 803 37 front front NN 33154 803 38 of of IN 33154 803 39 the the DT 33154 803 40 plate plate NN 33154 803 41 . . . 33154 804 1 The the DT 33154 804 2 sound sound NN 33154 804 3 of of IN 33154 804 4 musical musical JJ 33154 804 5 instruments instrument NNS 33154 804 6 , , , 33154 804 7 such such JJ 33154 804 8 as as IN 33154 804 9 the the DT 33154 804 10 flute flute NN 33154 804 11 and and CC 33154 804 12 the the DT 33154 804 13 cornet cornet NN 33154 804 14 , , , 33154 804 15 will will MD 33154 804 16 be be VB 33154 804 17 reproduced reproduce VBN 33154 804 18 much much RB 33154 804 19 louder louder RBR 33154 804 20 , , , 33154 804 21 if if IN 33154 804 22 the the DT 33154 804 23 front front NN 33154 804 24 of of IN 33154 804 25 such such JJ 33154 804 26 instrument instrument NN 33154 804 27 be be VB 33154 804 28 allowed allow VBN 33154 804 29 to to TO 33154 804 30 rest rest VB 33154 804 31 upon upon IN 33154 804 32 the the DT 33154 804 33 rim rim NN 33154 804 34 of of IN 33154 804 35 the the DT 33154 804 36 hole hole NN 33154 804 37 in in IN 33154 804 38 the the DT 33154 804 39 board board NN 33154 804 40 , , , 33154 804 41 just just RB 33154 804 42 in in IN 33154 804 43 front front NN 33154 804 44 of of IN 33154 804 45 the the DT 33154 804 46 plate plate NN 33154 804 47 . . . 33154 805 1 It -PRON- PRP 33154 805 2 is be VBZ 33154 805 3 noticeable noticeable JJ 33154 805 4 that that IN 33154 805 5 low low JJ 33154 805 6 talking talking NN 33154 805 7 can can MD 33154 805 8 be be VB 33154 805 9 heard hear VBN 33154 805 10 more more RBR 33154 805 11 distinctly distinctly RB 33154 805 12 than than IN 33154 805 13 when when WRB 33154 805 14 a a DT 33154 805 15 great great JJ 33154 805 16 effort effort NN 33154 805 17 is be VBZ 33154 805 18 made make VBN 33154 805 19 ; ; : 33154 805 20 but but CC 33154 805 21 the the DT 33154 805 22 sounds sound NNS 33154 805 23 though though IN 33154 805 24 distinct distinct JJ 33154 805 25 are be VBP 33154 805 26 not not RB 33154 805 27 strong strong JJ 33154 805 28 at at IN 33154 805 29 any any DT 33154 805 30 time time NN 33154 805 31 , , , 33154 805 32 and and CC 33154 805 33 other other JJ 33154 805 34 sounds sound VBZ 33154 805 35 seriously seriously RB 33154 805 36 interfere interfere JJ 33154 805 37 with with IN 33154 805 38 hearing hearing NN 33154 805 39 . . . 33154 806 1 It -PRON- PRP 33154 806 2 is be VBZ 33154 806 3 probable probable JJ 33154 806 4 that that IN 33154 806 5 some some DT 33154 806 6 way way NN 33154 806 7 will will MD 33154 806 8 hereafter hereafter RB 33154 806 9 be be VB 33154 806 10 devised devise VBN 33154 806 11 for for IN 33154 806 12 increasing increase VBG 33154 806 13 the the DT 33154 806 14 usefulness usefulness NN 33154 806 15 of of IN 33154 806 16 the the DT 33154 806 17 invention invention NN 33154 806 18 by by IN 33154 806 19 increasing increase VBG 33154 806 20 the the DT 33154 806 21 volume volume NN 33154 806 22 of of IN 33154 806 23 sound sound NN 33154 806 24 . . . 33154 807 1 On on IN 33154 807 2 account account NN 33154 807 3 of of IN 33154 807 4 the the DT 33154 807 5 weakness weakness NN 33154 807 6 of of IN 33154 807 7 the the DT 33154 807 8 sound sound NN 33154 807 9 it -PRON- PRP 33154 807 10 becomes become VBZ 33154 807 11 necessary necessary JJ 33154 807 12 to to TO 33154 807 13 provide provide VB 33154 807 14 a a DT 33154 807 15 call call NN 33154 807 16 to to TO 33154 807 17 attract attract VB 33154 807 18 the the DT 33154 807 19 attention attention NN 33154 807 20 of of IN 33154 807 21 one one CD 33154 807 22 in in IN 33154 807 23 the the DT 33154 807 24 room room NN 33154 807 25 . . . 33154 808 1 This this DT 33154 808 2 may may MD 33154 808 3 be be VB 33154 808 4 accomplished accomplish VBN 33154 808 5 by by IN 33154 808 6 having have VBG 33154 808 7 a a DT 33154 808 8 small small JJ 33154 808 9 electric electric JJ 33154 808 10 bell bell NN 33154 808 11 worked work VBN 33154 808 12 by by IN 33154 808 13 a a DT 33154 808 14 one one CD 33154 808 15 or or CC 33154 808 16 two two CD 33154 808 17 cell cell NN 33154 808 18 battery battery NN 33154 808 19 . . . 33154 809 1 Another another DT 33154 809 2 way way NN 33154 809 3 which which WDT 33154 809 4 I -PRON- PRP 33154 809 5 have have VBP 33154 809 6 found find VBN 33154 809 7 to to TO 33154 809 8 be be VB 33154 809 9 quite quite RB 33154 809 10 as as RB 33154 809 11 efficient efficient JJ 33154 809 12 is be VBZ 33154 809 13 to to TO 33154 809 14 have have VB 33154 809 15 a a DT 33154 809 16 rod rod NN 33154 809 17 of of IN 33154 809 18 iron iron NN 33154 809 19 or or CC 33154 809 20 steel steel NN 33154 809 21 about about IN 33154 809 22 a a DT 33154 809 23 foot foot NN 33154 809 24 long long JJ 33154 809 25 , , , 33154 809 26 and and CC 33154 809 27 half half PDT 33154 809 28 an an DT 33154 809 29 inch inch NN 33154 809 30 in in IN 33154 809 31 diameter diameter NN 33154 809 32 , , , 33154 809 33 bent bend VBN 33154 809 34 into into IN 33154 809 35 a a DT 33154 809 36 U u NN 33154 809 37 form form NN 33154 809 38 . . . 33154 810 1 When when WRB 33154 810 2 this this DT 33154 810 3 is be VBZ 33154 810 4 held hold VBN 33154 810 5 by by IN 33154 810 6 the the DT 33154 810 7 bend bend NN 33154 810 8 , , , 33154 810 9 and and CC 33154 810 10 struck strike VBD 33154 810 11 upon upon IN 33154 810 12 the the DT 33154 810 13 floor floor NN 33154 810 14 or or CC 33154 810 15 with with IN 33154 810 16 a a DT 33154 810 17 stick stick NN 33154 810 18 , , , 33154 810 19 it -PRON- PRP 33154 810 20 vibrates vibrate VBZ 33154 810 21 powerfully powerfully RB 33154 810 22 ; ; : 33154 810 23 and and CC 33154 810 24 if if IN 33154 810 25 one one CD 33154 810 26 of of IN 33154 810 27 its -PRON- PRP$ 33154 810 28 prongs prong NNS 33154 810 29 be be VB 33154 810 30 permitted permit VBN 33154 810 31 to to TO 33154 810 32 strike strike VB 33154 810 33 against against IN 33154 810 34 the the DT 33154 810 35 plate plate NN 33154 810 36 P p NN 33154 810 37 , , , 33154 810 38 Fig Fig NNP 33154 810 39 . . . 33154 811 1 16 16 CD 33154 811 2 , , , 33154 811 3 the the DT 33154 811 4 sound sound NN 33154 811 5 will will MD 33154 811 6 be be VB 33154 811 7 reproduced reproduce VBN 33154 811 8 loud loud RB 33154 811 9 enough enough RB 33154 811 10 to to TO 33154 811 11 hear hear VB 33154 811 12 over over IN 33154 811 13 a a DT 33154 811 14 large large JJ 33154 811 15 room room NN 33154 811 16 . . . 33154 812 1 I -PRON- PRP 33154 812 2 have have VBP 33154 812 3 never never RB 33154 812 4 failed fail VBN 33154 812 5 to to TO 33154 812 6 call call VB 33154 812 7 with with IN 33154 812 8 this this DT 33154 812 9 when when WRB 33154 812 10 any any DT 33154 812 11 one one NN 33154 812 12 was be VBD 33154 812 13 in in IN 33154 812 14 the the DT 33154 812 15 same same JJ 33154 812 16 room room NN 33154 812 17 with with IN 33154 812 18 the the DT 33154 812 19 telephone telephone NN 33154 812 20 . . . 33154 813 1 Wherever wherever WRB 33154 813 2 a a DT 33154 813 3 telephone telephone NN 33154 813 4 circuit circuit NN 33154 813 5 has have VBZ 33154 813 6 been be VBN 33154 813 7 made make VBN 33154 813 8 upon upon IN 33154 813 9 telegraph telegraph NN 33154 813 10 poles pole NNS 33154 813 11 having have VBG 33154 813 12 other other JJ 33154 813 13 wires wire NNS 33154 813 14 upon upon IN 33154 813 15 them -PRON- PRP 33154 813 16 , , , 33154 813 17 the the DT 33154 813 18 inductive inductive JJ 33154 813 19 actions action NNS 33154 813 20 of of IN 33154 813 21 the the DT 33154 813 22 currents current NNS 33154 813 23 upon upon IN 33154 813 24 the the DT 33154 813 25 other other JJ 33154 813 26 wires wire NNS 33154 813 27 has have VBZ 33154 813 28 been be VBN 33154 813 29 found find VBN 33154 813 30 to to TO 33154 813 31 seriously seriously RB 33154 813 32 interfere interfere VB 33154 813 33 with with IN 33154 813 34 the the DT 33154 813 35 action action NN 33154 813 36 of of IN 33154 813 37 the the DT 33154 813 38 telephones telephone NNS 33154 813 39 , , , 33154 813 40 inasmuch inasmuch JJ 33154 813 41 as as IN 33154 813 42 the the DT 33154 813 43 latter latter JJ 33154 813 44 reproduce reproduce VBP 33154 813 45 every every DT 33154 813 46 other other JJ 33154 813 47 message message NN 33154 813 48 . . . 33154 814 1 One one CD 33154 814 2 skilled skilled JJ 33154 814 3 in in IN 33154 814 4 reading reading NN 33154 814 5 by by IN 33154 814 6 sound sound NN 33154 814 7 in in IN 33154 814 8 the the DT 33154 814 9 ordinary ordinary JJ 33154 814 10 way way NN 33154 814 11 can can MD 33154 814 12 read read VB 33154 814 13 through through IN 33154 814 14 the the DT 33154 814 15 telephone telephone NN 33154 814 16 what what WDT 33154 814 17 message message NN 33154 814 18 is be VBZ 33154 814 19 travelling travel VBG 33154 814 20 in in IN 33154 814 21 a a DT 33154 814 22 neighboring neighboring JJ 33154 814 23 wire wire NN 33154 814 24 . . . 33154 815 1 Messages message NNS 33154 815 2 may may MD 33154 815 3 be be VB 33154 815 4 thus thus RB 33154 815 5 read read VBN 33154 815 6 upon upon IN 33154 815 7 wires wire NNS 33154 815 8 as as IN 33154 815 9 far far RB 33154 815 10 distant distant JJ 33154 815 11 as as IN 33154 815 12 ten ten CD 33154 815 13 feet foot NNS 33154 815 14 from from IN 33154 815 15 the the DT 33154 815 16 telephone telephone NN 33154 815 17 circuit circuit NN 33154 815 18 . . . 33154 816 1 It -PRON- PRP 33154 816 2 there there RB 33154 816 3 fore fore NN 33154 816 4 seems seem VBZ 33154 816 5 to to TO 33154 816 6 be be VB 33154 816 7 essential essential JJ 33154 816 8 that that IN 33154 816 9 each each DT 33154 816 10 telephone telephone NN 33154 816 11 circuit circuit NN 33154 816 12 should should MD 33154 816 13 be be VB 33154 816 14 isolated isolate VBN 33154 816 15 from from IN 33154 816 16 every every DT 33154 816 17 other other JJ 33154 816 18 one one NN 33154 816 19 , , , 33154 816 20 else else RB 33154 816 21 there there EX 33154 816 22 can can MD 33154 816 23 be be VB 33154 816 24 no no DT 33154 816 25 secrecy secrecy NN 33154 816 26 in in IN 33154 816 27 messages message NNS 33154 816 28 . . . 33154 817 1 A a DT 33154 817 2 very very RB 33154 817 3 interesting interesting JJ 33154 817 4 effect effect NN 33154 817 5 was be VBD 33154 817 6 noticed notice VBN 33154 817 7 one one CD 33154 817 8 night night NN 33154 817 9 when when WRB 33154 817 10 there there EX 33154 817 11 was be VBD 33154 817 12 a a DT 33154 817 13 bright bright JJ 33154 817 14 aurora aurora NNP 33154 817 15 display display NN 33154 817 16 . . . 33154 818 1 There there EX 33154 818 2 was be VBD 33154 818 3 a a DT 33154 818 4 continuous continuous JJ 33154 818 5 current current NN 33154 818 6 through through IN 33154 818 7 the the DT 33154 818 8 wires wire NNS 33154 818 9 , , , 33154 818 10 accompanied accompany VBN 33154 818 11 with with IN 33154 818 12 sounds sound NNS 33154 818 13 which which WDT 33154 818 14 increased increase VBD 33154 818 15 in in IN 33154 818 16 intensity intensity NN 33154 818 17 as as IN 33154 818 18 the the DT 33154 818 19 bright bright JJ 33154 818 20 streamers streamer NNS 33154 818 21 passed pass VBN 33154 818 22 by by RP 33154 818 23 . . . 33154 819 1 This this DT 33154 819 2 will will MD 33154 819 3 probably probably RB 33154 819 4 lead lead VB 33154 819 5 to to IN 33154 819 6 some some DT 33154 819 7 important important JJ 33154 819 8 results result NNS 33154 819 9 in in IN 33154 819 10 science science NN 33154 819 11 . . . 33154 820 1 In in IN 33154 820 2 all all DT 33154 820 3 probability probability NN 33154 820 4 the the DT 33154 820 5 telephone telephone NN 33154 820 6 is be VBZ 33154 820 7 as as RB 33154 820 8 much much JJ 33154 820 9 in in IN 33154 820 10 its -PRON- PRP$ 33154 820 11 infancy infancy NN 33154 820 12 as as IN 33154 820 13 was be VBD 33154 820 14 ordinary ordinary JJ 33154 820 15 telegraphy telegraphy NN 33154 820 16 in in IN 33154 820 17 1840 1840 CD 33154 820 18 . . . 33154 821 1 Since since IN 33154 821 2 that that DT 33154 821 3 time time NN 33154 821 4 the the DT 33154 821 5 sciences science NNS 33154 821 6 of of IN 33154 821 7 electricity electricity NN 33154 821 8 and and CC 33154 821 9 magnetism magnetism NN 33154 821 10 have have VBP 33154 821 11 had have VBN 33154 821 12 the the DT 33154 821 13 most most JJS 33154 821 14 of of IN 33154 821 15 their -PRON- PRP$ 33154 821 16 growth growth NN 33154 821 17 , , , 33154 821 18 and and CC 33154 821 19 telegraphy telegraphy NN 33154 821 20 has have VBZ 33154 821 21 kept keep VBN 33154 821 22 pace pace NN 33154 821 23 with with IN 33154 821 24 the the DT 33154 821 25 advancing advance VBG 33154 821 26 knowledge knowledge NN 33154 821 27 until until IN 33154 821 28 its -PRON- PRP$ 33154 821 29 commercial commercial JJ 33154 821 30 importance importance NN 33154 821 31 is be VBZ 33154 821 32 second second JJ 33154 821 33 to to IN 33154 821 34 no no DT 33154 821 35 other other JJ 33154 821 36 agency agency NN 33154 821 37 . . . 33154 822 1 Very very RB 33154 822 2 many many JJ 33154 822 3 important important JJ 33154 822 4 principles principle NNS 33154 822 5 that that WDT 33154 822 6 are be VBP 33154 822 7 invaluable invaluable JJ 33154 822 8 in in IN 33154 822 9 telegraphy telegraphy NN 33154 822 10 to to NN 33154 822 11 - - HYPH 33154 822 12 day day NN 33154 822 13 were be VBD 33154 822 14 wholly wholly RB 33154 822 15 unknown unknown JJ 33154 822 16 in in IN 33154 822 17 1840 1840 CD 33154 822 18 ; ; : 33154 822 19 but but CC 33154 822 20 it -PRON- PRP 33154 822 21 may may MD 33154 822 22 here here RB 33154 822 23 be be VB 33154 822 24 noted note VBN 33154 822 25 that that IN 33154 822 26 in in IN 33154 822 27 the the DT 33154 822 28 telephone telephone NN 33154 822 29 , , , 33154 822 30 as as IN 33154 822 31 it -PRON- PRP 33154 822 32 now now RB 33154 822 33 is be VBZ 33154 822 34 , , , 33154 822 35 there there EX 33154 822 36 is be VBZ 33154 822 37 not not RB 33154 822 38 a a DT 33154 822 39 single single JJ 33154 822 40 principle principle NN 33154 822 41 that that WDT 33154 822 42 was be VBD 33154 822 43 not not RB 33154 822 44 well well RB 33154 822 45 enough enough RB 33154 822 46 known know VBN 33154 822 47 in in IN 33154 822 48 1840 1840 CD 33154 822 49 . . . 33154 823 1 This this DT 33154 823 2 will will MD 33154 823 3 be be VB 33154 823 4 apparent apparent JJ 33154 823 5 to to IN 33154 823 6 one one CD 33154 823 7 who who WP 33154 823 8 follows follow VBZ 33154 823 9 out out RP 33154 823 10 the the DT 33154 823 11 phenomena phenomenon NNS 33154 823 12 from from IN 33154 823 13 the the DT 33154 823 14 sender sender NN 33154 823 15 to to IN 33154 823 16 the the DT 33154 823 17 receiver receiver NN 33154 823 18 . . . 33154 824 1 First first RB 33154 824 2 , , , 33154 824 3 the the DT 33154 824 4 sound sound NN 33154 824 5 in in IN 33154 824 6 air air NN 33154 824 7 causing cause VBG 33154 824 8 a a DT 33154 824 9 corresponding corresponding JJ 33154 824 10 movement movement NN 33154 824 11 in in IN 33154 824 12 a a DT 33154 824 13 solid solid JJ 33154 824 14 body body NN 33154 824 15 , , , 33154 824 16 iron iron NN 33154 824 17 . . . 33154 825 1 This this DT 33154 825 2 iron iron NN 33154 825 3 , , , 33154 825 4 acting act VBG 33154 825 5 inductively inductively RB 33154 825 6 upon upon IN 33154 825 7 a a DT 33154 825 8 magnet magnet NN 33154 825 9 , , , 33154 825 10 originates originate VBZ 33154 825 11 magneto magneto NN 33154 825 12 - - HYPH 33154 825 13 electric electric JJ 33154 825 14 currents current NNS 33154 825 15 in in IN 33154 825 16 a a DT 33154 825 17 wire wire NN 33154 825 18 helix helix NN 33154 825 19 about about IN 33154 825 20 it -PRON- PRP 33154 825 21 ; ; : 33154 825 22 and and CC 33154 825 23 these these DT 33154 825 24 travel travel VBP 33154 825 25 to to IN 33154 825 26 another another DT 33154 825 27 helix helix NN 33154 825 28 , , , 33154 825 29 and and CC 33154 825 30 , , , 33154 825 31 re re NN 33154 825 32 - - NN 33154 825 33 acting act VBG 33154 825 34 upon upon IN 33154 825 35 the the DT 33154 825 36 magnet magnet NN 33154 825 37 in in IN 33154 825 38 it -PRON- PRP 33154 825 39 , , , 33154 825 40 have have VB 33154 825 41 electro electro JJ 33154 825 42 - - HYPH 33154 825 43 magnetic magnetic JJ 33154 825 44 effects effect NNS 33154 825 45 , , , 33154 825 46 and and CC 33154 825 47 increase increase VB 33154 825 48 and and CC 33154 825 49 decrease decrease VB 33154 825 50 the the DT 33154 825 51 strength strength NN 33154 825 52 of of IN 33154 825 53 the the DT 33154 825 54 magnet magnet NN 33154 825 55 ; ; : 33154 825 56 and and CC 33154 825 57 this this DT 33154 825 58 variable variable JJ 33154 825 59 magnetism magnetism NN 33154 825 60 affects affect VBZ 33154 825 61 the the DT 33154 825 62 plate plate NN 33154 825 63 of of IN 33154 825 64 iron iron NN 33154 825 65 in in IN 33154 825 66 front front NN 33154 825 67 of of IN 33154 825 68 that that DT 33154 825 69 magnet magnet NN 33154 825 70 , , , 33154 825 71 and and CC 33154 825 72 makes make VBZ 33154 825 73 it -PRON- PRP 33154 825 74 to to TO 33154 825 75 vibrate vibrate VB 33154 825 76 in in IN 33154 825 77 a a DT 33154 825 78 corresponding corresponding JJ 33154 825 79 manner manner NN 33154 825 80 , , , 33154 825 81 and and CC 33154 825 82 thus thus RB 33154 825 83 to to TO 33154 825 84 restore restore VB 33154 825 85 to to IN 33154 825 86 the the DT 33154 825 87 air air NN 33154 825 88 in in IN 33154 825 89 one one CD 33154 825 90 place place NN 33154 825 91 the the DT 33154 825 92 vibrations vibration NNS 33154 825 93 absorbed absorb VBN 33154 825 94 from from IN 33154 825 95 the the DT 33154 825 96 air air NN 33154 825 97 in in IN 33154 825 98 another another DT 33154 825 99 place place NN 33154 825 100 . . . 33154 826 1 To to IN 33154 826 2 some some DT 33154 826 3 it -PRON- PRP 33154 826 4 may may MD 33154 826 5 seem seem VB 33154 826 6 strange strange JJ 33154 826 7 that that IN 33154 826 8 a a DT 33154 826 9 simple simple JJ 33154 826 10 thing thing NN 33154 826 11 as as IN 33154 826 12 the the DT 33154 826 13 telephone telephone NN 33154 826 14 is be VBZ 33154 826 15 , , , 33154 826 16 involving involve VBG 33154 826 17 nothing nothing NN 33154 826 18 but but IN 33154 826 19 principles principle NNS 33154 826 20 familiar familiar JJ 33154 826 21 enough enough RB 33154 826 22 to to IN 33154 826 23 every every DT 33154 826 24 one one CD 33154 826 25 interested interested JJ 33154 826 26 in in IN 33154 826 27 physical physical JJ 33154 826 28 science science NN 33154 826 29 , , , 33154 826 30 should should MD 33154 826 31 have have VB 33154 826 32 waited wait VBN 33154 826 33 nearly nearly RB 33154 826 34 forty forty CD 33154 826 35 years year NNS 33154 826 36 to to TO 33154 826 37 be be VB 33154 826 38 invented invent VBN 33154 826 39 . . . 33154 827 1 The the DT 33154 827 2 reason reason NN 33154 827 3 is be VBZ 33154 827 4 probably probably RB 33154 827 5 this this DT 33154 827 6 : : : 33154 827 7 Men men NN 33154 827 8 of of IN 33154 827 9 science science NN 33154 827 10 , , , 33154 827 11 as as IN 33154 827 12 a a DT 33154 827 13 rule rule NN 33154 827 14 , , , 33154 827 15 do do VBP 33154 827 16 not not RB 33154 827 17 feel feel VB 33154 827 18 called call VBN 33154 827 19 upon upon IN 33154 827 20 to to TO 33154 827 21 apply apply VB 33154 827 22 the the DT 33154 827 23 principles principle NNS 33154 827 24 which which WDT 33154 827 25 they -PRON- PRP 33154 827 26 may may MD 33154 827 27 discover discover VB 33154 827 28 . . . 33154 828 1 They -PRON- PRP 33154 828 2 are be VBP 33154 828 3 content content JJ 33154 828 4 to to TO 33154 828 5 be be VB 33154 828 6 _ _ NNP 33154 828 7 discovering discover VBG 33154 828 8 _ _ NNP 33154 828 9 , , , 33154 828 10 not not RB 33154 828 11 _ _ NNP 33154 828 12 inventing invent VBG 33154 828 13 _ _ NNP 33154 828 14 . . . 33154 829 1 Now now RB 33154 829 2 , , , 33154 829 3 the the DT 33154 829 4 schools school NNS 33154 829 5 of of IN 33154 829 6 the the DT 33154 829 7 country country NN 33154 829 8 ought ought MD 33154 829 9 to to TO 33154 829 10 make make VB 33154 829 11 the the DT 33154 829 12 youth youth NN 33154 829 13 quite quite RB 33154 829 14 familiar familiar JJ 33154 829 15 with with IN 33154 829 16 the the DT 33154 829 17 general general JJ 33154 829 18 principles principle NNS 33154 829 19 of of IN 33154 829 20 physical physical JJ 33154 829 21 science science NN 33154 829 22 , , , 33154 829 23 that that IN 33154 829 24 the the DT 33154 829 25 inventive inventive JJ 33154 829 26 ones one NNS 33154 829 27 -- -- : 33154 829 28 and and CC 33154 829 29 there there EX 33154 829 30 are be VBP 33154 829 31 many many JJ 33154 829 32 such such JJ 33154 829 33 -- -- : 33154 829 34 may may MD 33154 829 35 apply apply VB 33154 829 36 them -PRON- PRP 33154 829 37 intelligently intelligently RB 33154 829 38 . . . 33154 830 1 Mechanism mechanism NN 33154 830 2 is be VBZ 33154 830 3 all all DT 33154 830 4 that that WDT 33154 830 5 stands stand VBZ 33154 830 6 between between IN 33154 830 7 us -PRON- PRP 33154 830 8 and and CC 33154 830 9 aërial aërial JJ 33154 830 10 navigation navigation NN 33154 830 11 ; ; , 33154 830 12 all all DT 33154 830 13 that that WDT 33154 830 14 is be VBZ 33154 830 15 necessary necessary JJ 33154 830 16 to to TO 33154 830 17 reproduce reproduce VB 33154 830 18 human human JJ 33154 830 19 speech speech NN 33154 830 20 in in IN 33154 830 21 writing writing NN 33154 830 22 ; ; : 33154 830 23 and and CC 33154 830 24 all all PDT 33154 830 25 that that WDT 33154 830 26 is be VBZ 33154 830 27 needed need VBN 33154 830 28 to to TO 33154 830 29 realize realize VB 33154 830 30 completely completely RB 33154 830 31 the the DT 33154 830 32 prophetic prophetic JJ 33154 830 33 picture picture NN 33154 830 34 of of IN 33154 830 35 the the DT 33154 830 36 " " `` 33154 830 37 Graphic Graphic NNP 33154 830 38 , , , 33154 830 39 " " '' 33154 830 40 of of IN 33154 830 41 the the DT 33154 830 42 orator orator NN 33154 830 43 who who WP 33154 830 44 shall shall MD 33154 830 45 at at IN 33154 830 46 the the DT 33154 830 47 same same JJ 33154 830 48 instant instant JJ 33154 830 49 address address NN 33154 830 50 an an DT 33154 830 51 audience audience NN 33154 830 52 in in IN 33154 830 53 every every DT 33154 830 54 city city NN 33154 830 55 in in IN 33154 830 56 the the DT 33154 830 57 world world NN 33154 830 58 . . . 33154 831 1 * * NFP 33154 831 2 * * NFP 33154 831 3 * * NFP 33154 831 4 * * NFP 33154 831 5 * * NFP 33154 831 6 Transcriber Transcriber NNP 33154 831 7 's 's POS 33154 831 8 Notes note NNS 33154 831 9 : : : 33154 831 10 The the DT 33154 831 11 musical musical JJ 33154 831 12 flat flat JJ 33154 831 13 symbol symbol NN 33154 831 14 is be VBZ 33154 831 15 represented represent VBN 33154 831 16 in in IN 33154 831 17 the the DT 33154 831 18 text text NN 33154 831 19 by by IN 33154 831 20 [ [ -LRB- 33154 831 21 flat flat NN 33154 831 22 ] ] -RRB- 33154 831 23 . . . 33154 832 1 Page page NN 33154 832 2 17 17 CD 33154 832 3 , , , 33154 832 4 " " `` 33154 832 5 propererties properertie NNS 33154 832 6 " " '' 33154 832 7 changed change VBN 33154 832 8 to to IN 33154 832 9 " " `` 33154 832 10 properties property NNS 33154 832 11 " " '' 33154 832 12 ( ( -LRB- 33154 832 13 there there EX 33154 832 14 are be VBP 33154 832 15 other other JJ 33154 832 16 properties property NNS 33154 832 17 ) ) -RRB- 33154 832 18 Page page NN 33154 832 19 42 42 CD 33154 832 20 , , , 33154 832 21 " " '' 33154 832 22 muturally muturally RB 33154 832 23 " " '' 33154 832 24 changed change VBD 33154 832 25 to to TO 33154 832 26 " " `` 33154 832 27 mutually mutually RB 33154 832 28 " " '' 33154 832 29 ( ( -LRB- 33154 832 30 bodies body NNS 33154 832 31 would would MD 33154 832 32 mutually mutually RB 33154 832 33 ) ) -RRB- 33154 832 34 Page page NN 33154 832 35 106 106 CD 33154 832 36 , , , 33154 832 37 " " `` 33154 832 38 outby outby VBD 33154 832 39 " " '' 33154 832 40 changed change VBN 33154 832 41 to to IN 33154 832 42 " " '' 33154 832 43 out out RB 33154 832 44 by by IN 33154 832 45 " " '' 33154 832 46 ( ( -LRB- 33154 832 47 given give VBN 33154 832 48 out out RP 33154 832 49 by by IN 33154 832 50 the the DT 33154 832 51 ) ) -RRB-