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 80
PlG. .1,772.—Western Elec-tric riveted framesliprinRinduction motor for vari-able speed service; adapt-ed either to continuous orIntermittent operation. 1,338 HAWKINS ELECTRICITY variable external resistances, these being illustrated in fig. 1,779. Single Phase Induction Motors.—The general utility… … Figs. 1,773 to 1,778.—Sprague skeleton type motor frame with various types of armature.Fig. 1,777, plain squirrel cage armature; fig. 1,778, internal resistance armature; fig.1,773 slip ring armature. In the construction of the plain squirrel cage armature, fig. 1,777,copper bars are inserted in…
Electrical engineering
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