INDEX 



297 



Horse-power, rating by, 169 

 Hysteresis, energy expended in, 27 



influence on torque curves, 103 



retardation due to, 29 



to find the loss occasioned by, 



130 



INDUCTION curve, definition of, 17 



of motors used on : 

 Baltimore and Ohio Railroad, 128 

 Buffalo and Niagara Falls Elec- 

 tric Railway, 100 



Chicago Metropolitan Elevated 



Railway, 251 

 City and South London Railway, 



161 

 Induction factor defined, 6 



found by measuring the 



torque, 8 



found by observing induced 



tension, 14 



limiting conditions in equa- 



tion for, 51 



effect of armature reaction 



on, 18, 267, 276 



JERK in starting railway motor, 

 197, 201 



KINETIC energy of rotating shaft, 



157 

 of moving train, 244, 257, 258 



LIFT, acceleration of, 158, 172, 225 



belt-driven, 359 



efficiency of, 143 



equation giving M for, 52, 54 



conditions of motion of, 35 



use of worm gearing in, 58 

 Liverpool Overhead Railway : 



acceleration curve, 197 

 motors used on, 171, 19K 

 use of roller bearings on, 216 

 Load, definition of, 28 



distribution of, between two 



coupled motors, 81, 100 



Load, influence of, on the speed, 



33, 115 



Locomotives, equation giving M 

 for, 55 



acceleration of, 174, 210 



diameter of driving wheels of, 



215, 223 



London, City and South, Railway : 

 acceleration curve, 167 

 motors used on, 162, 171. 199 



Loss, core, 139, 145 



torque, 99, 127 



- how to find, 85, 87, 129 



MAGNETISATION, direction of, in 

 motor, 264 



curve defined, 11 



experiment to find, 259 



of motor and generator com- 



pared, 264 



of railway motor, 270 



distortion of, by reaction, 276 



effect of asymmetry of, 282 

 Magnetism, residual, 102 

 Magnets, shunt-wound, 60 



series-wound, 94 



reversal of current in, 37 



use of steel in, 102, 111 

 Maxwell, Professor Clerk, on the 



distinction between heat and 



work, 25 



Meter, current, 68 

 Moment of inertia, 157, 158 

 Motion, uniform, definition of, 30 



reversal of, 34, 37, 97 

 Motor, Crocker- Wheeler, 130 



- Edison, 10 



- G. E. 800 : 



acceleration curves, 202, 203 

 induction curve, 100 

 speed and tension, 118 



Westinghouse, 141 



railway, dimensions of, 269 

 Motor-cars, best velocity ratio and 



: diameter of driving wheel, 215, 

 223 



NEUTRAL points, 11 

 Nice Central Lighting Station, test 

 of generator at, 88 



