Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1153
ield, on the same generalprinciple as does the two-phase current. Tlie lag of thecurrents behind each other acts to cause the poles resultingfrom the combined action of the coils, to rotate aroundthe field. Motors constructed upon this principle aretermed induction motors, and the coils on the… … Fig. 494 INDUCTION MOTOR WITH SQUIRREL CAGE ARMATURE motor complete. The rotary field referred to in the fore-going description should not be confounded with the re-
