Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 44
y connected and serving as one terminal of thecircuit to be measured, while the needle serves as the other and oppositeterminal. Any electrical potential difference between the needle and theplates will deflect the needle out of its neutral position. Calibrated weightscan be hung on the bottom of… … Fig. 28. Kelvins Electrostatic Voltmeter. 32 SYMBOLS, UNITS, INSTRUMENTS.
Electrical engineering
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