Henry and Hora's modern electricity; a practical working encyclopedia (1915)
Henry, James. [from old catalog], Hora, Karel Jan, 1881- [from old catalog] joint author · Chicago, Laird & Lee, inc. · leaf 177
WIRES :Fig. 59. in one half and inward in the other, coincide in directionround the coil. 174 MODERN ELECTRICITY The oerlikon type shown in fig. 59 has a stationaryarmature and a rotary magnet field. The latter consistsof one solid disk of iron, the circumference of which isof a peculiar shape,…
Electrical engineering
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