A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 512
complished by meansof a quick motion obtained by the operationof a spring. The object of the snap switch is to prevent theswitch resting in any half way position, and thuspreventing the establishing of an arc. Switch, Telephone, Automatic A device for automatically transferring the con-nection of… … ^1E& Fig. 525. Automatic Telephone Switch.closes the local battery circuit of the transmitteron the removal of the telephone from its support-ing hook. Swi.] 501 [Sym. The means whereby this is accomplished areshown in Fig. 525. On the removal of the tele-phone from the hook L, the lever is…
Electricity · Electrical engineering
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