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 263
32 poles of the field-magnet, each circuit of the armature has 33copper bars, connected in series by transverse pieces. I here are therefore, in all, 90 (3 X 3.)bars on the armature. The three circuits are joined up to each other in a manner similar tothe three circuits of the Thomson-Houston… … Fig. 109.—Armature and field-magnet. The exciting circuit is coiled round a sort of cast-iron pulley. Two steel rims, each armedwith 16 horns forming polo-pieces, are bolted on to the pulley, one on either face, in themanner shown in detail in Fig. 110. This arrangement permits of the maximum…
Mechanical engineering
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