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 125
ri. a -g^ HI ■BSD SSSjgZSffig … p i Itetaj -A I JfepOiON »=n|r@} Fig. 3,063.—Kittons three wire repeater. The current starts from the generator or othersource and flows through the contact points (when closed) of relay Ra, to a tap where itdivides, one half going through the magnet of Tc and its lamp to the ground. The otherhalf…
Electrical engineering
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