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
hrough the \ ^\coils of a sim-ple, single coil,Siemens - arma- F*g* 4S» Siemens-Armature Form The details of Electro-Magnetic Bell. will be readily understood from an examination°f Fig- 45- Bell, Electro-Mechanical A bell, the striking apparatus of which is driven bya weight or spring, called into… … Fig. 4b. Extension-Call Bell.the circuit of a local battery by means of the cur-rent generated by the magneto-call, and continuessounding after the current of the magneto-callhas ceased. A form of extension-call bell is shown in Fig. 46. Bell, Indicating1 An electric bell in which, in order to…
Electricity · Electrical engineering
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