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 295
SCRIES PU5H … Fig. 3,276.—Circuit connections for ringing two bells from one push button. This methodof connection requires more current or more cells of battery than does the series method.In the case of the series connecting system, one of the bells must be a single stroke bell,• for if both of them be of the…
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
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