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 173
ms, based on the principle that a rising andfalling electric current in one wire tends to induce a similar current ina neighboring parallel wire. This system was employed for a shorttime on several railroads, but was finally abandoned for lack ofpatronage. In the meantime some notable experiments…
Electrical engineering
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