Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 635
Fig. 405. . currents, according to requirements; thus, the armature may bedivided into two currents, so as to allow of carbons one inchin diameter being burned, or else so as to have four, eight,twelve, twenty-four, or even forty-eight distinct circuits capableof being used all together or in part.… … 615 This machine has been studied with a view of rendering thelamps independent; and there may be produced with it, for ex-ample, a voltaic arc of an intensity of from 250 to 600 carcelsfor the lighting of a courtyard, or it may be used for producingarcs of less intensity for shops, or for…
Electrical engineering
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