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 278
off the supply wires.In any case, the motor should be examined before starting, to see thatno damage has been done to- it. Car Stops between Landings.—When this happens, owing to a failurein supply of power, an effort should be made to have the main switchopened, the brake released, and the worm… … ELECTRIC ELEVATORS 2,933 In some elevator motors, the free end of the armature shaft is purposely made squareto facilitate turning the shaft with a wrench as just mentioned. Car Beyond Control.—If the operator find he has lost control ofthe car and cannot stop it, he should not become frightened…
Electrical engineering
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