Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1903)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 392
Fig. 356.—Manchester Type of Field Frame. 372 the yoke as A, Fig.355, or upon eachlimb, as C, in thesame figure. Theyoke thus serves asa bed-plate for themachine as well asto conduct the mag-netic lines of force.In the Manchesterpattern there is aclosed magnetic cir-cuit, B of Fig. 355,also Fig.… … Magnetic Circuit of ManchesterField Frame. yokes are cast iron, the lower one forming the bed-plate,and the magnet cores are of soft wrought iron. The magnetcoils are connected so that the upper end of each limb tendsto produce the same pole, a consequent pole is thus formed ineach yoke, and the…
Electricity · Magnetism
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