Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 169
Botasphere cally adjusted to all demands on the wind.See Gearing for Electric Motors. Rotating Brushes. See Brushes. Rotating- Field. See Field, Rotating. Rotating Field System, the revolving field-magnet ro-tor of an alter-nator, consistinggenerally of radi-ally projectingpoles, carryingcoils…
Electrical engineering
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