460 INDEX 



PAGE 



Magnetic flux, distribution of, in the air gap 47 



leakage of, in a generator 34 



leakage of, in a transformer 296 



hysteresis 19 



lines of force, continuity of 15 



permeability 16 



Magnetism, residual 128 



Magnetization curves for a c-c. generator 127 



for iron and steel 18 



Magnetomotive force, formula for 16 



Meters 416 



Mica used as an insulator 54 



Micanite, use of, in commutator construction 55 



Microfarad 221 



Mil, circular 7 



Mirror symmetry 197 



Motor fails to start due to fuses blown 446 



field or armature circuit open 447 



supply line dead 446 



too much resistance in field rheostat . . 447 



too much starting torque required .... 447 



Motor, the continuous current 150 



calculation of horsepower of 156 



calculation of torque of 154 



current-torque curves for various types of 157 



speed control of 176 



speed characteristics of different types of c-c 160 



starting rheostat for 172 



the induction 331 



the repulsion 362 



the series, shunt and compound 151 



the single phase series 352 



the synchronous 309 



Multiple circuit armature windings 78 



voltage system of speed control 176 



Multipolar field frame 28 



Neutral, current in, in three wire distribution 135 



Neutral wire, use of, in three phase armature 136 



No-voltage release 175 



Oil-cooled transformer . , 290 



