A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 58
Atitomatic ElectricBell. Eel.] 48 [Bel. … netic bell in which the movements of the bellarmature are obtained by the reversal ofpolarity that takes place when alternating cur-rents are pass- p»a^ed through the \ ^\coils of a sim-ple, single coil,Siemens - arma- F*g* 4S» Siemens-Armature Form The details of Electro-Magnetic Bell. will be…
Electricity · Electrical engineering
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