248 
INDEX. 
PAGE 
Steam engine, Newcomen’s . 10, 11, 23 
Papin’s . . 8 
Savery’s 5, 6, 17, 24, 36, 37 
— Stephensons’ patent locomotive 407 
Watt’s . 25, 26, 27, 28 
Woolf’s . . 94, 237 
Worcester’s, Marquis of . 3 
equalizing the action of . 256 
atmospheric . 96, 98, 99, 187 
maximum effect of . 99, 100 
of useful effect in 163 
for, when equal 
ized by a fly . . .163 
of useful effect for 
raising water . .165 
atmospheric improved . 189 
single acting . 184, 191 
double acting . 185, 195, 199 
combined cylinder 
high pressure 
noncondensing 
proportion of parts 
199 
152, 173 
power of 
at full power 
by expansion 
classification 
condensing 
double cylinder expansive 
best force for the steam of 
noncondensing . 182, 183 
regulating the power of . 260 
methods of ascertaining the 
state and effect of 
measuring the useful effect 
265 
of 
269 
271 
88 
working of . 
motion of steam in 
loss of force by cooling 
92, 95, 97, 99 
length of stroke 
velocity of mean effect 
for expansion 
air pumps and condenser 
proportions 
air pump 
power required for working 
161 
163 
165 
167 
170 
Steam engine, force of steam for 183 
loss of steam 
Steam passages 
rules for 
Steam pipes, cooling in 
journal, form of 
Stephensons’ patent locomotive engine 
Strength, effect of expansion on 
Strength of parts of engines . 
rods . 
beams 
cranks 
wheel arms 
teeth of wheels, table of 
shafts 
pipes and cylinders 
plates 
boilers 
vessels 
Stress on the parts of engines 
178, 179, 
173 
Stroke, length of . 
and 
cut off 
175 
Stuffing boxes 
176 
Sulphuret of carbon, force 
177 
Sun and planet wheels 
150, 161 
Symington, William 
184—212 
PAGE 
, 194, 195 
183 
187 
94 
92 
App. 31 
407 
247, 253 
239—255 
240, 241 
243 
ibid 
ibid 
244 
245 
246 
248 
249 
310 
239 
161 
194, 198 
222 
77 
27 
31, 41 
T. 
Table of Southern’s experiments on the 
bulk and heat of steam . . 51 
Rumford’s, on heat of steam . 53, 54 
Ure’s, on heat of steam . 54, 55 
boiling points of solutions . 60, 61 
expansion of water . . 58 
constant numbers for sea water 61 
Watt’s experiments on the steam 
from salt water . . 62 
Watt’s experiments on pure water ibid 
Robison’s experiments on pure water 64 
on the force of steam . ibid 
Dalton’s experiments on the force 
of steam . . . 66, 67 
Ure’s experiments on the force of 
steam . . .69