238 



INDEX. 



PAGE 



Fire grating, supply of air and area of . 115 



rule for . App. 210 



engine . . .25 



- places . . .132 



Watt's . . . ibid 



Roberton's . .133 



Brunton's . .134 



regulation of . . . 137 



Fitzgerald, Keane . . .20 



Float . . . .135 



Flues . . . .251 



internal . . .125 



Fluids . . . .47, 109 



resistance of . . 292308 



Flywheel . . 20, 163, 256 



velocity of . .258 



danger of . . ibid 



rules for . . 259 



Formula for the heat of conversion into 



steam . . .50 



finding the volume steam will 



occupy under any compressive force 

 not exceeding 60 atmospheres 



area of steam passages 



loss of velocity of steam from 



bends or obstructions in the pipes . 91 

 loss of force of steam by cool- 

 ing in passing through the steam pipe 92 



loss by cooling cylinder 99 



area of chimneys 102, 103 



fire surface . . 117 



quantity of water for conden- 

 sation . . . 147 



power of the steam of a cubic 



foot of water . . .155 



power of steam of a cubic foot 



of water when acting expansively . ibid 

 the greatest quantity of me- 



84 

 90 



chanical power the steam of a cubic 

 foot of water will give when acting 

 expansively . . . . 156 



proportion of length of cy- 

 linder to diameter . .162 



best velocity for the engine 



to work with . . .164 



capacity of air pump . 1 69 



PAGE 

 Formula for power required to work air 



pump . . .171 



friction of pistons 221, 222 

 circular force of crank . 229 



stress on the axis or shaft ibid 



length of radius rods for pa- 

 rallel motion . 231,233,234,235 



strength of rods subjected to 

 tensile strain . . . 240 



piston rods . 241 



cranks . .243 



wheel arms . ibid 



beams . . ibid 



shafts . . 245 



beam gudgeons . ibid 



pipes and cylinders 247 

 flat plates to bear the 



pressure of steam . .248 



the greatest stress in B>s. on a 



circular inch a plate will bear . 249 



strength of boilers formed of 



plates . . 251, 252 



cast iron boilers . 253 



fly wheels . .259 



counter weights . 260 



paddle wheels . 303, 304 



the angle when the effective 



resistance of the paddle is greatest App. 49 



effective leverage of crank 175 



angular velocities of crank for 



one engine . . 177 

 deviation from mean value of 



angular velocities . . ibid 

 angular velocities of a crank 



for a pair of engines . 1 80 

 the screw propeller applied to 



steam vessels . 23 1 



Foot valve . . . 205 



Friction of engines . . 40 



of bodies . . . 215 



of fluids . . 293,313 



of pistons . . 221, 222 



of slides . . . 209 



Fuel, effect of . . 22, 194, 195, 201 



nature of . .105 



measure of effect of . . 107 



