A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 217
ay be the earth. Thefulcrum of the lever 1, is formed of an aluminiumwire, the torsion of which is used to measure theforce of the attraction; or, it may be measureddirectly by the counterpoise weight Q. This instrument is sometimes called an absoluteelectrometer, because, knowing the dimensions… … Fig, 231. Capillary Electrometer. measured by the movement of a drop ofsulphuric acid in a tube filled with mercury. Ele.] 206 [Ele. A form of capillary electrometer is shown inFig. 231, in which a horizontal glass tube witha drop of acid at B, has its ends connected withtwo vessels M and N, filled…
Electricity · Electrical engineering
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