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 160
CABLE … Fig. 3,094.—Diagram of a simple submarine telegraph cable circuit. The equipments of bothterminals A and B are exactly the same, consisting of the transmitting keys K, K, thepole changing switches PC, PC, line switches S, S, galvanometers G, Gf condensersC, C, batteries BA, BA, and the necessary…
Electrical engineering
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