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 77
rs in reversely wound layers, and it is also possible to soconstruct a cable, using four wire units, as to permit the use af phantoms. M. I. Pupin of New York, but it may never be attempted be-cause of the possibilities of the wireless telephone. This systemis further described in the chapter on… … Core Of SignalMagneto SubscribersTelephone Set
Electrical engineering
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