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 494
it is much more economical to employ a dynamo. Althoughthe first cost is greater, the capacity of the outfit is not only 3,148 HAWKINS ELECTRICITY greatly increased, but the work facilitated by the constancy ofthe current supplied, and comparatively little attention requiredby the dynamo itself.… … I.x Fig. 4,547.—Optimus frame and field magnets of plating dynamo. This necessitates large commutators and large brush gear, also largeinductors. Some dynamos have double commutators to secure sufficientbrush contact area to take care of the large current. The constructionof electro-plating dynamos…
Electrical engineering
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