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
ectrometer the pairs ofsectors are connected with the two bodies whosedifference of potential is to be measured, and thedeflection of the needle observed, generallythrough a telescope, by means of a spot of lightreflected from a mirror attached to the upper partof the needle. Sometimes the segments… … 232. Quadrant Elec-trometer.
Electricity · Electrical engineering
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