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 409
Figs. 4,416 to 4,419.—Details of construction of electric iron. Figs. 4,416 and 4,418, heatingelements; fig. 4,417, iron base; fig. 4,419, assembly. circuit when not in use. Another difficulty is to distribute theheat generated, evenly over the entire working surface of theiron. The design should…
Electrical engineering
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