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 232
anexcessive heating of the armature, dimming of the light and CARE OF THE COMMUTATOR AND BRUSHES 651 slipping of the belt, and in the case of a drum armature, by asudden cessation of the current. Short Circuits or Breaks in Field Magnet Circuit.— Either of these faults is liable to give rise to… … Fig. 726.—Saxidpaper block. It is made to fit the surface of the commutator. At S is a sawcut into which the ends are pushed after being wrapped around the block. The lattershould be cut down on the dotted lines to form a handle. connections to the coils making contact with the frame of themachine…
Electrical engineering
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