INDEX. 



P olar Diagrams of General Alternating-Current Transformer, 



Chapter VIII 23 



Pole- Pitch, Its Influence on Leakage Factor 34 



Power Factor ; Its Relation to Leakage Coefficient 9 



Power Factor; How Affected by Open or Closed Slots 21 



Primary Resistance ; Its Influence on Diagram 8 



Primary Resistance ; How Taken Into Account 81 







R elation Between Leakage Factor and Power Factor 26 



S emi-Circle Diagram 5 



Semi-Circle Diagram for Single- Phase Motors 60 



Short-Circuit Current .' 19 



Single- Phase Motor, Chapters VI. and VII 54 



Slip and Resistance 16, 18 



Slip and Torque Curves 52 



Slip and Single-Phase Motor 58 



Slots, Number per Pole 22 



Slots ; Their Number as Influencing Leakage 23 



Slots, Comparison Between Open and Closed 20 



Speeds, Winding a Motor for Different 36 



Squirrel Cage Armature 49 



Starting Arrangement for Single-Phase Motors 71,72 



Steinmetz, C. P 2 42 



Sumec 85 



Thompson, Silvanus P 17 



Three- Phase Motor, Experimental Data of 25 



Torque 16, 17 



Torque Curves of Single- Phase Motor 57 



Vectors, Reciprocal 79, 80 



105 



