A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 260
val Galvanometer. -A form of galvanometer employed for rough testingwork. A form of detector galvanometer is shown inFig. 272. … Detector Galvanometer. Galvanometer, Differential A gal-vanometer containing two coils so wound asto tend to deflect the needle in oppositedirections. The needle of a differential galvanometer showsno deflection when two equal currents are sentthrough the coils in opposite directions, since,under…
Electricity · Electrical engineering
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