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 265
to ring as soon as the circuit maintainer lever closes the circuit throughthe contact breaker and bell magnet. To reset, the manual control is pulled down untilthe circuit maintainer lever strikes the stop, the trip end will then engage with the clawof the trip lever. 2,356 HAWKINS ELECTRICITY…
Electrical engineering
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