The standard electrical dictionary; a popular dictionary of words, terms, and phrases, used in the practice of electrical engineering (1897)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · New York, H. W. Henley & co. · leaf 231
Fig. 156. Thomsons Quad-rant Electrometer. Fig. 157. Henleys QuadrantElectroscope. opposite ones connect with each other by wires. The apparatusis adjusted so that, when the quadrants are in an unexcited con-dition the needle is at rest over one of the diametrical divisionsbetween quadrants. The…
Electricity
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