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 360
tween 5 and 8 amperes. The maximum range of voltageat arc under normal operating condition is 10 volts, the lamp striking an arc cold at 65volts, and operating continuously at 75 volts at the arc. The normal life of one set ofhigh grade carbon is 100 hours when the lamp is adjusted for a current of…
Electrical engineering
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