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 135
forces which tend to throw the inductors out ofposition: 1. Armature drag; 2. Centrifugal force. Both of these forces are present with smooth core armatures,but only centrifugal force with slotted armatures. The devicesused to hold the inductors in position against these forces are: ARMATURE… … Fig. 387.—Armature coil taping machine. Numerous machines have been invented for tapingarmature coils. They consist essentially of a device which revolves a roll of tape aroundthe coil, in such a direction that the tape is unwound from the roll and rewound on thecoil. The speed at which the coil is…
Electrical engineering
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