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- · New York, T. Audel · leaf 197
ans ofa voltmeter or two incandescent lamps joined in series, beforestarting up the motor, to see if the proper transformer con-nections have been made and prevent an excessive flow of current. If one of the transformers be reversed the voltage will be almostdoubled; in fact, it is a good plan to…
Electrical engineering
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