IXDEX. 



235 



Chimney, ascent of smoke in . 



areas 



tops 



practical rule for 



Christian, experiments by 



Clack valve 



Clement, M. 



Clinkers 



Coal, effect of 



engines for drawing 



PAGE 

 100 

 145 

 146 



App. 211 

 72 



204, 205 

 71 



133, 134 



17, 112, 113 



279 



Cock, four- way, to cut off steam at any 



portion of the stroke . 13,40,211,212 



double passaged . . 213 



Cocks . . . 203, 211 



construction of . . 211 



Coke . . . 112, 115 



Colchis and Jason, Russian steam ships of 

 war (Plates of engines and vessels 43, 

 44, 45, 46, 108, 109, 110) 369, 492 



Combined engines 29, 181, 185, 186, 199 



Combustion and combustibles 105, 114 



Combustion, process of . . 114 



Comet, first steam boat in Europe (Plate 93) 470 

 Condensation . . 6, 25, 34, 146 



principles of . 146, 150 



Condensers . 26, 27, 34, 86, 169 



Condenser gauge . . . 266 



Condensing engines, nature of .184 



construction of . 186 



proportion of parts 



187, 190, 192, 195 



power of 



188, 190, 191, 196, 198, 201 



application of 189, 191, 197 



Conical valves . . . 205 



pendulum . . 261, 263 



practical rules for App. 213 



Connecting rod . . 229, 230, 242 



to find the length of . 238 



Contractions in pipes, effect of . 88 



Copper, precipitation of, by iron -App. 5 



funnels, failure of . -App. 12 



boilers, advantages of . ibid 



Corn mills . . .284 



Cornish reports . . 276, 277, 278 



Cooling, loss of force by . . 92, 95 



PAGE 



Cotton mills . . .282 



Counter . . . 270 



Counter weight . . 10, 194, 256, 260 



Crampton, T., his drawings of Hague's 



slides (Plate 69) 

 Crank . . 27, 228 



strength of . . . 243 



table of the variation of rotary force of 230 



action of . . App. 1 73 



expression for effective leverage of App. 1 75 



expressions for angular velocity of for 



one engine . . App. 177 

 expression for deviation from mean 



value of angular velocity . ibid 

 expressions for angular velocity of, 



for a pair of engines . -^pp. 180 

 expressions for greatest deviation from 



mean value . . . ibid 



position of, when velocity is greatest 



App. 180 



is least 



Crawford, Dr. 21 , 



311, 



Creighton, W. 



experiments by 



Curr, John 



Currents, resistance of 

 Cylinder, cooling in 



ratio between length of stroke and 



diameter of 

 proportions of 



ibid 

 107, 108 

 51, 56 

 69 

 36 

 312 

 95 



161 

 ibid 



Cylinders, double, ratio of 

 practical rules for 



182, 192 

 App. 211 



Cycloidal paddle wheel of the Great West- 

 ern steam vessel (Plate 26) App. 53 



D. 



Dalton, John 



40 



experiments by 



64, 65, 66, 74, 76; 79, 107, 108, 167 



's mode of experimenting : 65 



tables of experiments on the force 



of steam of temperatures from 32 to 

 212 . . 66 



Damper, regulated . . 37, 251 



self regulating . . 137 



Davy, Sir H. . . . 80, 114 



