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 135
ucing any magnetizing effect. Consequently, therelay and sounder at the home station remain unresponsive, but at thedistant station, the current will flow through only one set of coil at thatstation and will cause it to operate the local sounder. The same effect,of course, is produced when the key… … Fig. 3,076.—View of transmitter showing construction and circuits of the two way contactbreaker. The distinction between a repeater and a transmitter should be noted, viz:a repeater has a two point contact breaker and a transmitter a three point contact breaker,controlling respectively one and two…
Electrical engineering
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