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 133
il may be wound on a former suchas shown in fig. 384. This consists of a board having fourupright pins, A, B, D, E, properly spaced and two horizontalpins C, F, attached to extensions at each end of the board. Acoil of the required number of turns is wound around these pinsand then opened out as in…
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
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