A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 80
Call-Bell, Extension (See Pell, Extension Call)Call-Bell, Magneto-Electric An electric call-bell operated by currents pro-duced by the motion of a coil of wire beforethe poles of a permanent magnet. A well known form of magneto call-bell is shown … Fig. qb. Magneto Call Bell. in Fig. 96. The armature is driven by the rota-tion of the handle. Call-Bell, Telephone An electric bell, the ringing of which is used to call aperson to a telephone. Call, Electric Bell —An electric bell sometimes used to call the attention of anoperator to the fact…
Electricity · Electrical engineering
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