The standard electrical dictionary : a popular encyclopaedia of words and terms used in the practice of electrical engineering (1898)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · London : Crosby Lockwood and Son · leaf 629
lush with the(SeeApp. Wall Box.) Switch, Indicating. A snap switchshowing if its circuit is made or broken by adial bearing the words ON and OFF. Switch, Intermediate. A switch foran intermediate station on a telephone lineso that the intermediate station may calleither terminal station, but at… … Fig. 386.Indicating Switch. STANDARD EIvECTRICAI, DICTIONARY. 625 Switch, Pendant Pull. A switch which may be turned on or offby successive pulls of a cord pendant connected thereto. Switch, Push Button. A small portable switch for from oneto three lights capacity, operated by buttons, and intended…
Electricity
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