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 131
Straight out coil Ques. Describe the evolute type of former coil. ARMATURE CONSTRUCTION 343 Ans. The evolute coil is wound around eight pins inserted ina board as shown in fig. 381. The required number of turns aretaken around these pins and their ends G and H left projecting,The coil thus formed…
Electrical engineering
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