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- · New York, T. Audel · leaf 216
t into theframe as shown, the core teeth pro-jecting inwardly like internal gearteeth, forming a cylindrical cham-ber for the revolving field. The coreis built up of iron, laminated andjapanned to prevent eddy currentsand hysteresis losses. The lamina-tions are rigidly bolted betweentwo heavy end… … h respect tothe core. I b. Disc; c. Drum. > . - : : .— .---an met ■ <•-•■-■need not be farther con- hasthi inherent defect thai the copper inside the ring DlSC — raM&Un I ■ *- re CBB>pioyed by Paeir. .-A afterwardsadopted by Brash in his -:I -i^--.. :;. r-rr. >. The leaoa tailed…
Electrical engineering
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