Elementary treatise on electricity and magnetism : founded on Joubert's "Traité élémentaire d'électricité" (1909)
Foster, G. Carey (George Carey), Porter, Alfred William, 1863-1939, Joubert, Jules François · London : Longmans · leaf 561
Fig. 334. 538 CONTINUOUS-CURRENT MACHINES [422- … attached to it, would be nearly uniform; the ring, placed in thisfield, acquires by influence poles at the two ends of a diameterwhich are of the opposite kind to those of the adjacent pole-pieces;it thus absorbs the lines of force proceeding from the pole-pieces,and conducts them through its mass,…
Electricity · Magnetism
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