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 204
—A circuit breaker is a switch which isopened automatically when the current or the pressure exceedsor falls below a certain limit, or which can be tripped by hand. Ques. What is the construction of a circuit breaker? Ans. It is composed of a switch and a solenoid in the maincircuit. When the… … Fig. 483.
Electrical engineering
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