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 250
he terminals are connected to the cell,thus producing rapid vibrations of the h?mmer. The cycle thus described may be briefly stated as follows:1. Current magnetizes the electromagnet; ELECTRIC BELLS 2,341 2. Magnet attracts armature causing hammer to strike bell; 3. Circuit breaker breaks the… … PUSH BUTTON CONNECTION TO CONTACT BREAKER ARMATURE SPRINGCONTACT BREAKER ^CONTACT POSTCONTACT FRAMEHAMMER BELL Fig. 3,201.—Elementary series vibrating bell. It consists of an electromagnet, armature, con-tact breaker, pivoted hammer, bell, and frame. In operation, when the terminals areconnected…
Electrical engineering
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