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 248
t take to start a motor? Ans. UsuaDy from five to ten seconds. OPERATION OF MOTORS 667 Ques. How is the starting lever operated ? Ans. It is moved progressively from contact to contact,pausing long enough on each contact for the motor to accelerateits speed before passing to the next. Ques. What… … RENEWABLECONTACTS
Electrical engineering
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