Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 328
connection that the increasecefficiency and illuminating power of the various types of th<so called flaming arc lamp is obtained by so modifying th<limits of the arc stream proper as to increase the luminosit;of its dark or non-luminous portions. ELECTRIC LIGHTING 2,419 Ques. How much energy… … Fig. 3,332—Diagram for resistance of arcs of different lengths with solid carbons. Ans. About 6,300° Fahr*. Resistance of the Arc.—With regard to its resistance, thearc is totally unlike solid or liquid conductors. This is due tothe fact that the amount of carbon vaporized at the crater of the…
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
