Practical electricity .. with questions and answers (1911)
Cleveland armature works, [from old catalog] comp, Lincoln, John C. [from old catalog] · [Cleveland, Ohio, Cleveland armature works] · leaf 77
lux through the cir-cuit. The resistance to the magnetic flux in the air gap ofthe ironclad armature is not over one-fifth that in a smoothcore armature of the same capacity. The ironclad arma-ture may be run so that there is only enough room betweenthe armature iron and the iron of the field frame… … FignreSOIron clad armature. 67 gives them perfect mechanical support, so that there is notendency to slide or move from their places as there is inthe smooth core armature. Practically all of the magnetic flux that passes into thearmature must get through the bottom of the iron teeth ofthe…
Electricity
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