A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 521
supported on apivot at G, between two set screws D, D, so as tohave a slight movement in a vertical plane. Thismotion is limited in one direction by a stop at C,called the anvil or front contact, and in the otherdirection by a set screw F, which constitutes itsback stop. The front stop C, is… … Fig. S31- Telegraphic Key. the movements of the key, by the hand of theoperator placed on the insulated head B, the lineis closed and broken in accordance with the dotsand dashes of the Morse alphabet. A spring, thepressure of which is regulated by the screw F, isprovided for the upward movement of…
Electricity · Electrical engineering
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