INDEX. 
249 
PAGE 
Table of Southern’s experiments on the 
force of steam . . 70 
Taylor’s experiments on pure water ibid 
scale of force of steam ibid 
Arsberger’s experiments on high 
pressure steam . . 71 
— Ivory’s calculations . . 71, 72 
force of alcohol vapour . 72, 74 
Cagniard’s, de la Tour, experiments 
on ether . . .75 
force of ether vapour . 75, 76 
— Ure’s and Dalton’s experiments on 
ether . . .76 
force of vapour from sulphuret of 
carbon . . .77 
Cagniard's, de la 
Tour, experiments on . 78 
force of petroleum . . 79 
force of turpentine . . ibid 
mechanical power of gases . 82 
— various substances where one vo 
lume of water is shown to produce 
more vapour than an equal volume of 
any other substance in the list . 83 
Roy’s experiments on air and steam 86 
effect of contractions . . 88 
the effect of combustibles 109, 110, 111 
the effect of fuel . 112,113 
quantity of smoke from fuel . 115 
quantity of fire surface for boilers 118 
experiments on boilers 119, 120 
power of boilers . 123,124 
for calculating safety valves 142, 143 
of the power of cranks 228—230 
the teeth of wheels . . 244 
the effect of engines . . 278 
the supply of towns with water 280 
experiments on canal boats 294, 295 
for calculating the resistance of ves 
sels . . . 296 
of steam vessels . 316, 317, 318 
the properties of steam . 322 
the proportions of single engines 323 
the proportions of double engines 
324, 325 
Tappets . .187, 224, 265 
PAGE 
Taylor’s, Philip, scale of the force of steam 70, 178 
Taylor and Martineau . . 178 
Teeth of wheels . . . 244 
Thomson, Dr. T. . . 110,114 
Thrashing machines . . 283 
Throttle valve . . 27, 210, 261 
Tonnage of a steam vessel . .320 
Towing boats . . . 41, 315 
Towns, supply of water for . .280 
Trevithick and Vivian . . 41, 141 
Turpentine vapour . . 55, 79 
U. 
Ure, Dr. . . * 44 
’s mode of experimenting . 54, 67 
tables of experiments on the force of 
steam . . .69 
experiments by 54, 74, 76, 79, 168 
Useful effect, mode of measuring . 269 
V. 
Valves 
safety 
rule for 
throttle 
Kingston’s 
arrangement of 
principles of construct! 
boxes 
rising 
clack 
foot 
flat 
Bramah’s slide 
conical 
Field’s 
Hornblower’s 
sliding 
rotary- 
plate 
modes of opening 
Vapour, force of 
175, 203 
139 
App. 210 
261 
353 
204 
. ibid 
. ibid 
204 
205 
. ibid 
. ibid 
,207 
205 
262 
206 
207 
210 
213 
224 
. 56, 57