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 214
1,202 HAWKINS ELECTRICITY Armatures.— In construction, armatures for alternators aresimilar to those employed on dynamos; they are in most casessimpler than direct current armatures due to the smaller numberof coils, absence of commutator with its multi-connections, etcAlternator armatures may be… … Pig. 1.472.—Allis-Chalmersbrush holder and sliprings. The latter aremade of cast copper,which the buildersclaim to be more satis-factory than cast iron.On some of the targelow speed machines thecollector rings are split,but on the majority ofalternators they are inone piece. Current is ledinto the…
Electrical engineering
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