A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 320
derstood from an inspec-tion of Fig. 336. Lamp, Electric, In- Fig. 336. Testes in.candescent, Half-Shades candescent** Electricfor (See Half-Shades for Incandescent Lamftsi) v Lamp, Electric, Incandescent, Life of The number of hours that an incan-descent electric lamp, when traversed by thenormal… … vacuum of the lamp chamber. Since the em-ployment of the flashing process, and the processfor removing the occluded gases, it is not unusualfor incandescent lamps to have a life of severalthousand hours. (See Carbons, Flashing Pro-cess for.) The life of an incandescent electric lamp shouldnot be…
Electricity · Electrical engineering
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