A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 316
he arc betweenthe positive carbons and from side to side of thenegative carbons. The design of the triple carbon arc lamp is toproduce a lamp of long life. Lamp Bracket, Electric — (See Bracket, Lamp, Electric?) Lamp Bulb.—(See Bulb,Lamp?) Lamp, Carcel —An oil lamp employed in Franceas a… … placed, and in which is maintained a highvacuum. The transparency of the lamp chamber andconsequently the efficiency of the lamp may de-crease— (1.) From the settling of dust or dirt on its outerwalls. (2.) From the deposit of carbon or metal on itsinner walls. To obviate the first cause of…
Electricity · Electrical engineering
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