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 408
p as to suggest that thelatter can survive if at all only in small units. The tungsten lamp can be used on alternatingcircuits with success. Its life on alternating circuits seems to be unimpaired and the effectfound in tantalum is happily absent in tungsten. ELECTRIC LIGHTING 2,499 far they have…
Electrical engineering
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