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 249
TORS 2,903 connected to the resistance (all connections being made at the backof the board) are arranged to perform the following functions: 1. To disconnect the primary wires from the motor and brake solenoidin the off position of the controller. 2. To accelerate the motor automatically by cutting… … £J Figs. 4,171 and 4,172.—Cutler-Hammer alternating current, reversible, single speed, semi-magnet controller with separate reverse switch for slow speed passenger or freight elevatorsoperated by self-starting, single phase, special elevator type motors. Fig. 4,171, self-starter; fig. 4,172,…
Electrical engineering
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