Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 219
will approximate the performance of ashunt wound, direct current motor. These motors may be used on two phase or three phase circuitshaving a frequency of not more than 60 cycles. ELECTRIC ELEVATORS 2,873 Ques. Are single phase motors suitable for elevatorservice ? Ans. Special elevator type of…
Electrical engineering
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