A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 269
-tecting chamber shouldbe promptly replaced. In some forms of vaporglobes, a valve is pro-vided, opening outwards,in order to permit the ex-panded air to escapewhen a given pressure isreached, and yet, at thesame time, to prevent theentrance of gas or vaporfrom without. Glow Discharge.—(See… … Fig, 2S8 Vapor Globe. struck or operated by mechanical force attimes which are dependent on the passage ofan electric current. The motive power is the mechanical force de-veloped by a bent spring, the fall of a weight,etc., and, by suitable mechanism, is permitted toact only on the passage of an…
Electricity · Electrical engineering
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