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 1 63 



for, when equal- 

 ized by a fly . . .163 



of useful effect for 



raising water . 1 65 



atmospheric improved . 1 89 



single acting . 184, 191 



- double acting . 185, 195, 199 



combined cylinder . 199 



high pressure 152,173 



noncondensing . 173 



proportion of parts and 



power of . .175 



at full power . .176 



by expansion . . 177 



classification . 150, 161 



condensing . 184 212 



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 . . 265 

 measuring the useful effect 



of ... 269 



working of . . 271 



motion of steam in . 88 



: loss of force by cooling 



92, 95, 97, 99 



length of stroke . 161 



velocity of mean effect 163 



for expansion . 1 65 



air pumps and condenser 



proportions . . .167 



power required for working 



air pump . . 1 70 



PAGB 



Steam engine, force of steam for 183, 194, 195 



loss of steam . .183 



Steam passages . . .187 



rules for . . 94 



Steam pipes, cooling in .92 



journal, form of . App. 31 



Stephensons' patent locomotive engine 407 



Strength, effect of expansion on 247, 253 



Strength of parts of engines . 239 255 



rods . . 240, 241 



beams . . 243 



cranks . . ibid 



wheel arms . . ibid 



teeth of wheels, table of . 244 



- shafts . . 245 



pipes and cylinders . 246 



plates . .248 



boilers . . 249 



vessels . . 310 



Stress on the parts of engines . 239 



Stroke, length of . . . 161 

 cutoff 178,179,194,198 



Stuffing boxes . . . 222 



Sulphuret of carbon, force of .77 



Sun and planet wheels . . 27 



Symington, William . . 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 



