Electric transmission of energy and its transformation, subdivision, and distribution. A practical handbook (1894)
Kapp, Gisbert, 1852-1922 · New York, Van Nostrand · leaf 438
supporting wheel, to form a narrow and deepring to which lateral strength is given by steel boltsinserted radially as shown. The core thus formed is 1 KAPP. 413 carefully insulated with mica and press-spahn and thearmature coils are wound transversely over it, and heldin place at the outer and… … Phillips for lighting and power purposes. In this typethe armature is fixed and the field magnet system revolves.The latter consists of two claw-shaped steel castings withexciting coil between them, whereby opposite polarity isproduced on alternate polar faces. The armature con-sists of as many…
Electric power production
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