bigram

This is a table of type bigram and their frequencies. Use it to search & browse the list to learn more about your study carrel.

bigram frequency
square inch253
steam engine185
per square180
new york167
horse power153
per minute152
air pump143
per hour141
united states110
square feet105
piston rod102
atmospheric pressure95
inches diameter92
cast iron90
cold water85
square inches80
cross head78
marine boilers78
pounds per77
per horse77
per cent75
one foot74
feet long74
feet per72
locomotive engines67
cubic foot64
cubic feet63
connecting rod62
fire box60
steam vessels60
heating surface60
steam engines59
high pressure59
elastic force54
malleable iron54
great britain54
slide valve52
inch thick52
one end51
work done51
crank pin49
steam pipe49
square root49
sectional area48
piston will47
steam will47
one another47
feet stroke45
direct acting45
four times45
pressure engines44
square foot44
james watt44
miles per43
acting engine42
horses power42
safety valve41
marine engines41
locomotive boilers41
steam valve40
many years40
already described40
steam navigation39
foot high39
feet inches38
right angles38
locomotive engine38
acting screw38
paddle wheels38
feed pump38
years later38
per ton37
per mile37
one side37
centrifugal force36
strokes per36
nominal power35
latent heat35
condensing engine35
low pressure35
steam fire35
tubular boilers35
oscillating engine35
mechanical effect34
effective pressure34
screw engines34
screw shaft34
condensing engines33
high speed33
water will33
takes place33
single acting32
revolutions per32
double acting32
will give31
hot water31
take place31
cubic inches31
compound engine30
pressure steam30
screw propeller30
stuffing box30
let us30
link motion30
two cylinders30
eccentric rod30
pressure cylinder30
paddle shaft29
screw vessels29
inches stroke29
crank shaft29
actual horse29
inches long28
waste steam28
fire grate28
three times27
newcomen engine27
wrought iron27
expansion valve27
one ton27
fly wheel27
mechanical power27
cube root27
power per27
atmospheric engine26
parallel motion26
pressure engine26
steam chest26
per second26
feed water26
actual power26
salt water26
nominal horse26
oscillating engines26
modern steam25
engine will25
cubic inch25
valve casing25
turnpike roads25
cylinder inches25
main centre25
moving power25
small quantity25
condensing water25
pump rod24
throttle valve24
way cock24
tubular boiler24
land boilers24
pounds pressure24
piston rods23
side lever23
smoke box23
paddle board23
water evaporated23
every part23
initial pressure23
lower end22
upper part22
raised one22
working beam22
just described22
coal per22
times greater22
compound engines22
heated air22
hot well22
well known22
will take21
marine engine21
rolling circle21
straight line21
good deal21
driving wheels21
following rule21
cylinder engine21
engine may21
blast pipe21
power necessary21
mean effective21
steam vessel21
one third20
given quantity20
will always20
tons burden20
took place20
screw engine20
gauge cocks20
upper end20
already explained20
stationary engines19
will require19
longitudinal section19
common roads19
short time19
power will19
water may19
hudson river19
raising water19
atmospheric air19
oliver evans19
upper steam19
two years19
pressure per19
screw vessel19
vessel will19
pipe leading19
power exerted19
high temperature18
feet beam18
modern engines18
condensed steam18
john stevens18
various forms18
paddle vessel18
inches deep18
fire bars18
will become18
given weight18
general use18
every case18
lesser piston18
tube plates18
indicated horsepower18
two engines17
flue boilers17
first time17
steam may17
first cost17
steam room17
present time17
valve rod17
one half17
four miles17
boiler must17
india rubber17
feet high17
acting steam17
lever engine17
wagon boilers17
corliss engine17
acting engines17
lower part17
bill book16
common road16
inches thick16
back pressure16
great western16
total pressure16
opposite side16
two thirds16
first engine16
water within16
de caus16
given time16
acting air16
sea water16
inches per16
water level16
boulton watt16
every stroke16
surcharged steam16
george stephenson16
steam power16
new yorker16
midship section16
land engines15
mechanical energy15
lower steam15
turned round15
plummer blocks15
grate surface15
boiling water15
john fitch15
steam passes15
de la15
turnpike road15
water pump15
steam carriages15
without expansion15
paddle boards15
steam carriage15
will continue15
every square15
different kinds15
vertical position15
one time15
ton per15
specific heat15
two inches14
ten years14
inches broad14
much less14
rotary engine14
steam pressure14
indicator diagram14
usually made14
every one14
valve gear14
tube plate14
feet wide14
atmospheric resistance14
inch diameter14
feet deep14
strength proper14
stuffing boxes14
taken place14
relative resistance14
flue surface14
many cases14
steam must14
years ago14
balance piston14
west point14
will depend14
engines used14
per day14
already stated14
ton raised13
boiler will13
two feet13
sole plate13
manchester railway13
perfect vacuum13
already mentioned13
still another13
us suppose13
pressure will13
one fourth13
inclined planes13
much greater13
steam locomotive13
will therefore13
paddle vessels13
rotatory motion13
force acting13
total heat13
new jersey13
water per13
still greater13
steam gauge13
water contained13
cylinder cover13
one horse13
eduction pipe13
feed pumps13
fire engine13
will move13
thomas savery12
side rods12
paddle wheel12
liquid state12
greater piston12
two steam12
burning fuel12
greater number12
single engine12
one engine12
large engines12
manchester railroad12
vertical height12
peculiar form12
engine must12
small tubes12
land engine12
main shaft12
air will12
connecting rods12
water space12
present century12
higher temperature12
intermediate shaft12
fresh water12
little later12
considerable size12
one pair12
general arrangement12
generally adopted12
valve will12
new england12
will come12
great beam12
several years12
average speed12
boiler may12
inclined plane12
delivery valve12
circular inch12
pressure acting12
rubbing surfaces12
experiments made12
effect produced12
just mentioned12
proper dimensions12
direct action11
opposite directions11
one inch11
exhaust valves11
sectional boiler11
steam fountain11
locomotive boiler11
safety valves11
two vessels11
one square11
sometimes used11
feathering paddle11
high speeds11
will cause11
cylinder condensation11
screw steamer11
six inches11
will make11
robert fulton11
exhaust valve11
per actual11
will descend11
first railroad11
pressure equal11
generally made11
cornish engine11
steam consumption11
savery engine11
robert stephenson11
generally used11
glass tube11
metallic packing11
per pound11
franklin institute11
first instance11
centrifugal pump11
pump bucket11
partial vacuum11
pumping engines11
waste water11
tons per11
one revolution11
horizontal position11
small cylinder11
lower ends11
watt engine11
internal diameter11
lower frame11
free communication11
long voyages11
stationary steam11
will probably11
cylinder will11
piston speed11
earlier engines11
different parts11
per nominal11
will vary11
now generally10
first proposed10
three fourths10
glass tubes10
feet diameter10
angle iron10
external diameter10
using steam10
given pressure10
long time10
marine boiler10
royal society10
engine built10
face plate10
first steam10
exhausting valve10
high piston10
common form10
endless chain10
boiling point10
engine power10
care must10
pounds raised10
higher steam10
straight edge10
steam used10
auxiliary power10
proper proportions10
nearly equal10
result will10
two tons10
engine works10
large enough10
animal power10
vis viva10
cranked axle10
iron plates10
trunnion bearings10
many times10
pressure may10
five times10
comparatively small10
now well10
steam per10
air pumps10
mechanical equivalent10
greater speed10
force equal10
great speed10
inches wide10
carbonic acid10
horse engines10
speed engine10
drop cut10
pump piston10
head winds10
potential energy10
total weight10
downward pressure10
red hot10
much heat10
condensing pipe10
immersed midship10
dry steam10
piston descends10
engines working10
foot per10
mechanical force10
becomes necessary10
valve may10
raise water10
box end10
wagon boiler10
evaporative power10
paddle engines10
oil cup9
moving parts9
years afterward9
brass tubes9
conical pendulum9
engines constructed9
five years9
marine flue9
tensile strength9
engines may9
usual practice9
natural philosophy9
one pound9
flour stones9
resistance will9
now common9
dining room9
power required9
opposite end9
modern marine9
water must9
condensing valve9
high pressures9
one cylinder9
internal fire9
starting handle9
two pieces9
will raise9
new orleans9
junk ring9
atmospheric line9
colonel john9
half stroke9
will cease9
first case9
bolts passing9
packed behind9
transverse section9
stevens institute9
john elder9
even though9
work diagram9
greater expansion9
given amount9
another engine9
centre line9
screw will9
now familiar9
mean pressure9
kinetic energy9
marine steam9
wheeled engines9
must pass9
practical purposes9
engines will9
cylinder engines9
sometimes made9
must remember9
common engines9
increased speed9
vertical line9
anthracite coal9
locomotive power9
speed engines9
will remain9
one tenth9
exactly equal9
bourne co9
fuel consumed9
usual way9
body falls9
large quantity9
expansive force9
also used9
eccentric rods9
steam railroad9
impelling force9
will follow9
pressure within9
valve shaft9
uncondensed steam9
air passing9
supersalted water9
elder man9
given distance9
greater cylinder9
trunk engine9
water raised9
now become9
portable engine9
greater part9
stationary engine9
large number9
rotative engines9
great eastern9
en route9
must necessarily9
will produce9
great deal9
extensive use9
working parts9
much larger9
steam produced8
feathering wheel8
great degree8
steam boats8
following year8
flue boiler8
cross section8
much used8
return stroke8
every two8
will prevent8
will find8
pump valves8
physical science8
must always8
piston area8
eighteenth century8
giving motion8
wheel shaft8
side rod8
usual form8
evaporative efficacy8
following table8
brass block8
south carolina8
power actually8
steam pipes8
pound per8
upper frame8
sailing ships8
actually exerted8
fire engines8
first step8
now made8
now employed8
frequently used8
body will8
iron tubes8
three inches8
carried away8
arc described8
many persons8
century ago8
locomotive steam8
containing water8
lower exhausting8
working without8
total quantity8
charlotte dundas8
driving wheel8
immediately condensed8
average rate8
certain amount8
case hardening8
considerable length8
high rate8
engine shown8
engine cylinder8
already referred8
steam side8
three tons8
sufficient quantity8
taking place8
per circular8
falling bodies8
external surface8
coal burned8
small cistern8
one man8
greatest possible8
lowest point8
large part8
common paddle8
working order8
will force8
two pairs8
early days8
portable engines8
resistance per8
will fall8
thermometer will8
feed pipe8
will necessarily8
propelling power8
cornish engines8
large cylinder8
watt found8
first used8
tractive force8
cranks placed8
steam contained8
will rise8
direct pressure8
circular motion8
one part8
surface per8
tons cwt8
cold cistern8
much better8
common use8
shall now8
modern locomotives8
absolute temperature8
john bourne8
connected together8
upper exhausting8
nineteenth century8
engines built8
now suppose8
inner surface7
made one7
centripetal force7
impelling power7
complete revolution7
railway trains7
internal corrosion7
accurately fitted7
almost every7
perpendicular feet7
good working7
cylinder full7
turn round7
manchester line7
will stand7
engine work7
chapter vi7
chapter ii7
states navy7
engine used7
well adapted7
now standard7
fire boxes7
attached directly7
great velocity7
chapter iii7
good construction7
uniform pressure7
least possible7
valve type7
century later7
large eye7
four feet7
strong head7
four hours7
per cubic7
outer end7
will also7
average number7
large vessels7
corliss valve7
three ported7
three miles7
mechanical agent7
th power7
put together7
steamboat man7
will just7
fresh supply7
upper edge7
exhaust steam7
practical application7
richard trevithick7
greater proportion7
furnace door7
new form7
whole machine7
ten miles7
per indicated7
ten thousand7
two cranks7
human race7
must also7
will express7
different types7
steam enters7
high steam7
weighing tons7
surface exposed7
plummer block7
steam now7
round numbers7
fifth avenue7
red sea7
total mechanical7
say nothing7
new engine7
made many7
cylindrical form7
short piece7
will flow7
injection water7
steam valves7
pumping engine7
will pass7
iron plate7
constant quantity7
commonly employed7
vacuum produced7
coal consumed7
lord dundas7
ported valve7
eduction passage7
cylinder bottom7
two valves7
hot air7
strong enough7
somewhat less7
mechanical powers7
will press7
higher pressures7
continued mr7
larger cylinder7
considerable extent7
water pipe7
plate iron7
second marquis7
two sets7
considerable time7
high per7
centrifugal action7
make good7
going ahead7
engine weighed7
large amount7
engine indicator7
valve seat7
gives motion7
blasco de7
mechanical philosophy7
greater extent7
whole length7
dead plate7
expanding steam7
horse boiler7
lesser cylinder7
working steam7
great number7
years earlier7
equilibrium valve7
us now7
sir samuel7
will now7
two blades7
suction pipe7
water line7
iron vessels7
water rises7
knots per7
one case7
flat surface7
higher pressure7
naval vessels7
per stroke7
exhaust port7
little engine7
will increase7
heat will7
upper side7
peter cooper7
effective force7
consumed per7
one occasion7
feet draught7
atmospheric steam7
proper length7
joined together7
water necessary7
slide valves7
three eighths7
boiler pressure7
new system7
three years7
applying steam7
distance moved7
now known7
side levers7
mechanical work7
ton weight6
upper ends6
considerable quantity6
many others6
full load6
mechanical efficiency6
modern locomotive6
horatio allen6
steam within6
usual mode6
alternate motion6
sectional boilers6
early period6
sensible heats6
present moment6
whole power6
steam packets6
water one6
heat generated6
feeding water6
steam dome6
one piece6
open valve6
first boat6
ross winans6
certain extent6
iron beams6
small hole6
railway company6
steam admitted6
almost universally6
commonly used6
will suffice6
resistance due6
nathan read6
ever made6
contained within6
used steam6
first application6
made use6
water rate6
grate bars6
propelling instrument6
valve face6
solomon de6
without causing6
scientific men6
must therefore6
stop valves6
steam required6
mastic cement6
bottom frame6
general description6
given number6
tube may6
second period6
horizontal rod6
little model6
original cost6
prime mover6
now universally6
greatly increased6
small engine6
present state6
english edition6
boilers may6
done per6
sheet iron6
radiant heat6
quotient will6
paddle floats6
work will6
best mode6
packing space6
one form6
even now6
engine working6
principal varieties6
delivery valves6
forward stroke6
one degree6
packing ring6
appears expedient6
steam passages6
certain point6
principal parts6
general practice6
first place6
wheel rim6
bearing surfaces6
tube will6
spindle valves6
made tight6
eight times6
iron bars6
new haven6
considerable expansion6
atmospheric engines6
still remains6
low speed6
steam pump6
lower edges6
wheeled engine6
different engines6
man oe6
useful work6
inch per6
per revolution6
whole force6
cylinder must6
still remain6
steam acts6
working power6
straight edges6
placed one6
every revolution6
pin bearing6
stockton darlington6
proper level6
steam tight6
steam jacket6
principles involved6
without inconvenience6
now almost6
fire surface6
steam without6
blowing box6
scientific series6
various kinds6
chapter viii6
work satisfactorily6
indispensably necessary6
two great6
bud taylor6
illustration chapter6
steam raised6
falling body6
experimental philosophy6
dotted line6
present case6
may also6
feet pitch6
will enable6
vaporous state6
liverpool manchester6
just beginning6
rotary motion6
red rover6
pump barrel6
heat produced6
section ii6
boiler explosions6
oatmeal stones6
progressive improvement6
making revolutions6
cylindrical boilers6
will open6
steam flows6
injection valve6
well understood6
considerable portion6
returned mr6
six years6
cold surface6
constructive details6
practically available6
total resistance6
scientific principles6
revolving grate6
first locomotive6
propelling vessels6
new boat6
outside cylinders6
easily accessible6
internal communication6
oscillating paddle6
placed near6
nominal horses6
go back6
engine already6
sufficient strength6
great rapidity6
power engines6
jane harden6
ordinary engines6
main beam6
eduction side6
american type6
shall find6
total power6
two rods6
steam communication6
chapter iv6
running time6
cylinder walls6
will never6
low speeds6
nearly every6
equal parts6
less resistance6
horizontal plane6
satisfactory results6
furnace bridges6
motion will6
cylindrical boiler6
first class6
good order6
samuel morland6
valve opens6
highest point6
railway wheels6
set forth6
lever engines6
per annum6
young man6
heated water6
six times6
like manner6
exhaustion produced6
dotted lines6
every point6
chapter vii6
upper portion6
outer ring6
hind wheels6
reciprocating motion6
great care6
either end6
working apparatus6
foot valve6
either side6
liverpool road5
will sometimes5
absolute zero5
cylindrical vessel5
numerous illustrations5
uniform motion5
cornish boilers5
newcomen engines5
york sun5
short stroke5
motive power5
matthew boulton5
ever built5
glass gauges5
will carry5
another pipe5
grab hook5
fire door5
copper tubes5
ordinary temperature5
must first5
became known5
four years5
greatly improved5
position shown5
thirty miles5
observed mr5
total amount5
exhaust side5
last chapter5
regulating furnace5
fifteen years5
steam cylinder5
repulsive energy5
absolute pressure5
french academy5
carrying passengers5
present day5
lowest position5
steam packet5
short intervals5
boat built5
usual manner5
distinguished men5
considerable power5
closed chamber5
force will5
french government5
different steam5
become generally5
original position5
uniform velocity5
without difficulty5
great strain5
first experiments5
modern construction5
furnace bars5
now became5
stephenson co5
rapid wear5
spiral groove5
admits steam5
small vessel5
give way5
will trace5
valve must5
engine made5
rendered available5
various contrivances5
popular science5
three cylinders5
properly constructed5
much attention5
best practice5
ocean liner5
float boards5
sensible heat5
outside lap5
prevent leakage5
horses working5
short distance5
proper mode5
steam entering5
come back5
brought forward5
distant points5
natural history5
acting pump5
thermal efficiency5
constant stream5
denys papin5
strictly speaking5
good design5
piston may5
space occupied5
sufficient number5
new machine5
temperature due5
one wheel5
engine without5
worked expansively5
great force5
greater velocity5
power may5
expansion line5
packing rings5
kept constantly5
heat supplied5
gridiron valve5
passage leading5
usually worked5
two days5
valve lever5
wooden rails5
railroad builders5
dash pot5
opens upwards5
fuel per5
rolling friction5
resist shocks5
without shock5
first american5
power generated5
physical state5
made somewhat5
expansion engines5
turning round5
short pipe5
stephen watched5
practical use5
pressure due5
chapter xii5
plain slide5
long island5
american railroads5
standard form5
denis papin5
rear axle5
screw steamers5
absolutely necessary5
going vessels5
small engines5
piston moves5
two large5
considerably less5
ejaculated stephen5
says mr5
large intercourse5
general rule5
accompanying figure5
heavy work5
position represented5
greater facility5
water required5
increased temperature5
rotary steam5
ten times5
proper area5
three valves5
rod may5
may easily5
baldwin locomotive5
expansion valves5
expansive working5
feeding boiler5
much increased5
general reader5
another method5
complete combustion5
may either5
philosophical transactions5
pump will5
rod passes5
valve stem5
become familiar5
lower side5
simple machine5
still used5
since become5
giovanni branca5
christian era5
every kind5
last night5
will go5
various parts5
increasing pitch5
actual horses5
valve plates5
varies nearly5
throttling governor5
admiralty rule5
steamboat magnate5
commonly called5
water enters5
whole surface5
bolted together5
small proportion5
de garay5
internal condensation5
engine described5
will consequently5
spiral stair5
express engine5
great length5
large proportion5
best way5
small space5
certain cases5
camden amboy5
will draw5
much higher5
somewhat similar5
large size5
high velocity5
standard type5
good coal5
mean ordinate5
portable steam5
oruktor amphibolis5
circle described5
small holes5
partially closed5
expansive action5
water exposed5
one hand5
might otherwise5
end play5
brake horsepower5
present work5
new piston5
beautiful contrivance5
pressure condensing5
one sixth5
relative merits5
steam escapes5
useful arts5
like steam5
modern type5
general principle5
doubtful whether5
made miles5
deep mines5
iron will5
piston now5
trunnion plummer5
first part5
side elevation5
first steamboat5
water feet5
inch cylinders5
one within5
supplementary valve5
strains subsisting5
just pressed5
small amount5
island sound5
one point5
superheated steam5
results obtained5
must get5
escape valve5
making strokes5
interrupted mr5
outlet valves5
now used5
coke per5
expansive principle5
total force5
common barometer5
greater pressure5
given power5
stephen looked5
going steamers5
inventive genius5
modern steamship5
great saving5
will rush5
mile run5
shall presently5
chapter xi5
one way5
bituminous coal5
practical men5
horizontal line5
case hardened5
easily understood5
american engineers5
another portion5
best locomotive5
eccentric must5
wheel will5
main links5
worthington pumping5
two parts5
engine capable5
first position5
power requisite5
larger vessel5
water supplied5
similar form5
steam expansively5
considerable amount5
one cubic5
two pistons5
power might5
oblique action5
canal company5
average consumption5
engine per5
tongue piece5
motion shaft5
two miles5
slow combustion5
force exerted5
become oval5
exhibited great5
level railroad5
cogged wheels5
presented upwards5
steam consumed5
great lakes5
will boil5
narrow gauge5
power boiler5
increased velocity5
one twelfth5
propel vessels5
trunk engines5
water boils5
one second5
edward somerset5
science monthly5
many centuries5
cylinders inches5
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chapter ix4
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four days3
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