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 158
h,/7 r x \ RHEOSTAT Fig. 418.—Shunt motor connections. A shunt motor runs at constant speed on a constantvoltage circuit. In connecting the motor in circuit, the field coils must be placed incircuit first, so that there is a certain amount of field strength to produce rotation of thearmature and…
Electrical engineering
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