Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 455
526. Field Magnets. In small generators, used to develophigh tension (or po-tential) currents, per-manent maonets aresometimes used tosupply the fields.The machine is thencalled a iiuigneto. Inall ordinary dynamos Fia. 536.-Bipolar field. the field is f Umished ^- ^37.-Multipolar field. by…
Physics
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