A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 312
y means of a wire which is dippedinto or removed from the surface of a massof mercury. In order to avoid an increase in the resistanceof the circuit, due to the formation of oxide ofmercury, the contact surface of the -mercury iskept covered with a layer of dilute alcohol. Key, Discharge A key… … Fig: 323. Kempes Discharge Key. The solid lever, hinged at one extremity, playsbetween two contacts connected to two terminals,and has two finger triggers at its free end markedDischarge and Insulate, connected respec-tively to two ebonite hooks. The hook attachedto that marked Discharge is a…
Electricity · Electrical engineering
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