Elementary treatise on electricity and magnetism : founded on Joubert's "Traité élémentaire d'électricité" (1909)
Foster, G. Carey (George Carey), Porter, Alfred William, 1863-1939, Joubert, Jules François · London : Longmans · leaf 581
hydrocarbon. Carbon result-ing from the decomposition of the hydrocarbonby the great heat is deposited on the filament,which thereby becomes more compact andregular, and acquires a steel grey lustre. Thisprocess is known as treating. The rarefaction is pushed to one or twohundredths of a millimetre… … Fig. 349. 443] INCANDESCENT LAMPS 559 The illuminating power ^ rapidly increases with the strength ofthe current; but the life of the lamp is thereby shortened. The conditions of maximum economy are those in whichthe gain in luminosity and the loss in the life of the lamp,each estimated by its…
Electricity · Magnetism
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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