Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 589
the field mag-nets, and these coils may receive currents from differentsources. Dynamos employing these are called compoundwound machines. They may be arranged for constant poten-tial, or constant current. A combination of the series andseparately excited, or of series and shunt, gives… … Fig. 458. the Weston. Large field magnets, A and B, are placed eachside of the revolving armature. A steam-engine communi-cates motion to the armature by means of a belt passing overthe circumference of the wheel W. The pole-pieces, as will CLASSES OF DYNAMOS. 569 be seen in the cut, are laminated…
Physics
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