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 257
on, when the terminals are connected to a cell, currentenergizes the magnet and attracts the armature, causing 2,348 HAWKINS ELECTRICITY the hammer to strike the bell. During this movement the con-tact maker makes contact and short circuits the current. Theshort circuit, thus established, being of… … ARMATUBE PATH OF SHUNTOR-SJ— CIRCUIT CURRENT CONTACT MAK£* HAMMER Fig. 3,207.—Elementary shunt or short circuit bell showing path through contact maker,armature, and lever of shunt or short circuit current. This bell differs from the simplevibrating bell of fig. 3,201, in that it has a contact…
Electrical engineering
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