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 120
it is simply a piece of apparatus in which the sounder(or in some cases the relay), receiving the signals through one circuit,opens and closes the circuit of another line, in the manner that a relayopens and closes the auxiliary circuit of a sounder. Ques. Describe a simple repeater. Ans. As shown… … CO Oj «J stop, thus forming a contactmaker for the repeatingsection of the circuit. Asindicated by the dotted lineand arrows, the path of thiscircuit is (when closed)through contact post, con-tacts, contact maker lever,pivot, standard, and outthrough base. Fig. 3,058 shows how theelementary…
Electrical engineering
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