Publisher's Synopsis
Excerpt from Hawkins Electrical Guide, Number Eight: Questions, Answers and Illustrations; A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to Acquire a Working Knowledge of Electricity and Its Applications
Terminals in cellars lightning arrester - connecting ex changes and toll service P. B. X. Terminals in cellar outdoor cable connecting box P. B. X. Switchboard buzzer relay wires for toll or long distance circuits - telephone and telautograph circuit - phantom circuit - interior of subscribers' desk stand trans Atlantic telephoning complex phantom circuits - telephone. Troubles - sub scribers' troubles how the magneto system works - private branch exchange (p. B. X.) troubles - installing a magneto set p - lan troubles - rear of magneto switchboard showing connecting rack and wiring to be run by installer - magneto troubles - forming and installing the line cable correct method of making an exchange guard - method of wiring a telephone and protector under a building - repairing steel cords. - portable testing cabinet - views showing various parts of a magneto switchboard - parts of a distributing frame diagram of Western Electric interrupter - the dictograph - master dictograph; how used in business acousticon transmitter - portable acousticons - location of dictograph. 0.
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