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 55
d 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 con-denser and through bell and out at G to negative side of generator through ground. 2,148 HAWKINS ELECTRICITY Ques. What kind of current… … LI
Electrical engineering
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