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 270
cast iron neck betweenthem. On top, the motor M, is the controller box C, containing the switches and rheostat.N, is the brake, R, shipper pulley, and A A, the limit stop. Ques. Why is an internal gear used? Ans. In order that the drum will rotate in the same directionrelative to the worm as in…
Electrical engineering
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