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- · New York, T. Audel · leaf 271
horn fibre or other suitablematerial, which is finally closed over and secured in place bymeans of a wedge, or by some other suitable means. An ex-ample of a fed-in winding is shown in figs. 1,566 and 1,568. CONSTRUCTION OF ALTERNA TORS 1,259 Imbricated Winding.—This is a species of spiral coil… … Fig. 1,569.—Diagram showing a spiral coil. This type of coil is one in which each successiveturn lies entirely within the previous turn, starting with the outermost turn of the coil.The successive turns of a spiral coil are thus not of the same size, and are not over-lappingas in a lap coil. Spiral…
Electrical engineering
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