Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 567
tsand armature showing magnetic circuit, itwill be seen that the armature is a ring of com-paratively large diameter, with longitudinalchannels on its periphery, in which the conduc-tors are wound and thus embedded in the iron,which is in such close proximity to the iron polepieces that there is… … Pig. 12.—Perret motor. Cross eection. MOTORS, ELECTRIC. 54£
Mechanical engineering
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