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 32
g it out when thrown. The termmagneto as here used includes the bellcoils connected. The Blake transmitter shown in fig. 2,930 represents the firstclass. This transmitter gives a very clear and fine articulationbut is not very durable. The induction coil greatly increases the transmitting as wellas… … LI5TENIN6KLY RINGINGKEY EXTENSIONSTATION
Electrical engineering
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