A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 337
Gaseous.) /.i.—A contraction used in mathematicalwritings for magnetic permeability, or thespecific conductibility of any substance forlines of magnetic force. mm.—A contraction for millimetre. (SeeWeights, Fre7ich System of.) M. P. H.—A contraction sometimes used inrailroad work to indicate miles… … Fig. 348. Armstrongs Hydro-Electric Machine, Fig. 348, is allowed to escape through a tortuousnozzle, from a series of apertures opposite apointed comb, attached to an insulated conductor. The cooling of the steam during its passagethrough a flat box, termed the cooling box, con-nected with the…
Electricity · Electrical engineering
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