The standard electrical dictionary; a popular dictionary of words, terms, and phrases, used in the practice of electrical engineering (1897)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · New York, H. W. Henley & co. · leaf 226
Fig. 151. Interlocking Electro-magnets. armature M, coming against the tooth projecting from its periph-ery. A momentary current through the coils of the magnet AA releases it, by attracting M} which is caught and retainedby N, and leaves it free to rotate. A momentary currentthrough the coils of…
Electricity
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