A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 369
Mar.] 359 [Mar. … Mas.] 3C0 [Mat. Mass.—The quantity of matter containedin a body. Mass must be carefully distinguished fromweight. The weight of a given quantity ofmatter depends on the attraction which the earthpossesses for it, and this, on the earths surface,varies with the latitude, being greatest at thepoles…
Electricity · Electrical engineering
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