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 101
ator. Carbon brushes may be placed end on or radially as at C, which isthe position almost universally used in the case of traction or otherreversing motors. Sometimes the carbon brush is inclined as at D, in order that the re-volving commutator may tend to push the brush against its supportsand… … Fig. 340.—Bissell double brush holder. Flexible cables carry the current between the brushesand holders. This holder works equally well for forward or reverse rotation. Two or moreholders are used on each stud except for the two smallest frames. The construction per-mits of adjustment or renewal of…
Electrical engineering
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