A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 216
232. Quadrant Elec-trometer. … Fig. 233. Quadrant Electrometer, Showing SuspendedNeedle. The registration of this class of electrometer isobtained by means of photography. The spot of
Electricity · Electrical engineering
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