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 17
in a straight line, the force exerted bythe steam on the piston produces no torque. For instance, a 12 pole alternator running at 600 revolutions perminute will deliver current at a frequency of 60 cycles a second; an8 pole synchronous motor supplied from that circuit will run at 900revolutions per…
Electrical engineering
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