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 150
tance, because a given magneto-motive force can urgemore lines of force through its larger mass of iron. Second,all the lines passing the drum armature are usefully cutby the conductors, and for this reason a slow speed willset up an E. M. F. equal to that of a ring armature athigher speed. Third,…
Electrical engineering
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