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 342
Figs. 3,341 and 3,342.—Mechanism of Adams-Bagnall series circuit alternating currentregenerative flame lamp (focusing type), for 7.5 and 10 amperes. Fig. 3,341, view ofclutch mechanism and lower carbon holder of Adams-Bagnall series circuit alternatingcurrent regenerative flame lamp; fig. 3,342…
Electrical engineering
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