236 



INDEX. 



Davy, C. (Plates 64, 65, 66, 67 A, 67 B) 

 Dead plate . . .132 



D slide . . . .195 



Density of steam . . .16,83 



Desaguliers, J. T. . . . 14 



Dickinson's and Bramah's engine 32 



Dinnen, J., assistant engineer, Woolwich 



Dock-yard, on marine boilers . App. 1 



Ditchburn, T. J., (Plates of the Red Rover, 



30, 31, 32) 

 Don Juan, engines of, Peninsula Company 



(Plate 41) . . .368 



Double acting engine . 27, 185, 195 



for mines . 276 



Drainage of mines . 275 



Dupin, Baron . . .29 



total extent of steam power 



applied in Great Britain estimated by 46 



E. 



Eccentric motion 



practical rule for 



225 

 App. 213 



Edward Anthony, United States' boat en- 

 gine (Plate 115) 



Edelcrantz . . 141, 209 



Eduction pipe . . .11 



Effect, useful, how to measure . 269 



Elastic fluids and vapours, motion of . 87 



Elastic force of vapours . . 56 89 



separated from the 



liquids from which they were generated 82 

 of steam or vapour produced by 



increased temperature does not follow 

 the same law, when it is not in contact 

 with the fluid from which it is gene- 

 rated, as when in contact . 58, 82 



of steam . . 56, 89 



rules for . . 58, 59 



Electric fluid . . .45 



Emerson, William . . 20, 226, 284 



Engine, Amonton's . 8, 16 



atmospheric . . 9, 10 



improved . 40, 189 



Cartwright's . . 35 



condensing . .184 



Dickinson's . 32 



PAGE 

 Engine, double cylinder expansive . 181 



expansive 



27, 29, 33, 43, 167, 177, 194, 198 



fire . . .25 



Hornblower's . . 29 



Newcomen's . 10,11,23 



noncondensing . 1 73, 1 74 



Papin's . . .8 



portable . . .22 



- rotary . 27, 28, 30, 32, 36, 40 



Savery's . 5, 6, 17, 24, 36, 37 



Stephensons" patent locomotive 407 469 



water- commanding . . 2 



Watt's . . 25, 26, 27, 28 



Woolf's . . .94, 237 



Worcester's, Marquis of . 3 



Eohpile . . 1,2 



Equalization of the motion of engines . 256 



by a fly . . ibid 



by counter weights . 260 



Equilibrium of heat . . 47 



Ether, sulphuric . . .75 



latent heat of . . 54, 55 



elastic force of . 75 



Evans, Oliver . . 43,131,179 



Expanding power of steam . 152,226 



Expansive engine . 



27, 29, 33, 43, 167, 177, 194, 198 



double cylinder . . 181 



Experiments, Arsberger's, on high pressure 



steam . . .71 



Cagniard de la Tour's on ether 75 



Dalton's on the force of steam 66 



on ether . . 76 



Macneill's on canals App. 200, 201 



Payne's on steam . 16,17 



Robison's on the force of steam 64 



Roy's on air and steam . 86 



Rumford's on steam 52, 53, 54 



Southern's on the force and 



heat of steam . . 5 1 , 70 



Taylor's on steam . 70 



Ure's on vapour of alcohol . 74 



ether . . 76 



petroleum . 79 



. force of steam . 69 



