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 54
Fig. 2,956.—Wiring diagram of two party line R bell station with G post represented asconnected to ground and negative side of alternating current generator also grounded.When bell is rung, ringing key throws positive current in instrument at L2, across condenserand through bell and out at G to…
Electrical engineering
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