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 274
ote control is desirable a self starter can be substituted forthe manually operated starting box, in which case the entire installation can be controlledby a oush button, or single throw knife switch. OPERATION OF MOTORS C03 12. Gi\dng, also, if possible, the resistance of the shunt fieldcold, and… … 770.—General Electric type K7 controller with cover open showing construction. Theniechanism consists of a long spindle, carrying a number of heavy brass or gun metalsegments, making contact for a longer or shorter time with a corresponding number ofspring contacts. The spindle is provided at its…
Electrical engineering
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