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 507
flXEO POINT ON TRUCK 1S6<? ^W^V 700*^^<FXP P0,NT 0N yRVC«0// FXEO POINT ON TRUCK^ V^ … Fig. 3,660.—Diagram of hand brake system showing the chain of connection from the brakehandle to the brake shoes, and the leverage employed at the various points in the handbrake system most commonly used on trolley cars. The tensions in the connectionsand the brake shoe pressures are those…
Electrical engineering
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