Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 595
uctors are so arranged that their poles in their revo-lution pass in succession as close as possible to the magnet poleswithout actually touching them. The cores of the induction hel-ices (see fig. 371) are composed of a large number of thin lami-nae punched out of sheet iron -^^ of an inch in… … Fig. 373. this form of construction are twofold: first, the laminated characterof the armature cores assists their rapid magnetization and demag-netization, breaking up and otherwise preventing cross currents bywhich their magnetic capacity is reduced; and second, the build-ing up of the cores by…
Electrical engineering
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