LIST OF TABLES 



PAOB 



I. Space occupied by core plate insulation .12 



II. Determination of constant for Ewing hysteresis tester . . . .14 



III. Table for recording results of determination of constant of Ewing tester . 18 



IV. Table for recording tests on iron . . . . . . . .19 



V. Factor for hysteresis loss at different densities . . . . . 20 



VI. Table for recording tests of relation of iron loss on sample and machine . 22 



VII. Relation between hysteresis loss and Steinmetz coefficient ... 24 



VIII. Sizes of stampings obtainable from two sets of diameters in fig. 21 . . 34 



IX. Frucht's values for air-gap depths 46 



X. Air-gap depth for induction motors ....... 105 



XI. Showing multiplicity and re-entrancy of multiplex windings . . . 157 



XII. Properties of polyphase windings 189 



XIII. Number of ranges for three-phase spiral coil windings in fig. 239 . . 202 



XIV. Slots per pole per phase for the windings in figs. 237, 238, and 239 . 203 

 XV. Slots per pole for the windings in figs. 237, 238, and 239 ... 203 



XVI. Properties of windings in fig. 241 connected as two and three phase . 210 



IX 



