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 158
ow for the dynamo tocharge. The auxiliary series coil L on core B acts to insure the perfect demagnetizationpf the core B on, reversal of current. 2,812 HAWKINS ELECTRICITY 1. Means for preventing reversal of current when the dynamois charging the battery; 2. Means for limiting the dynamo voltage.… … 14 ±
Electrical engineering
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