Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 392
er makes, and the Manchester type of fields are verycommon forms. In the inverted horseshoe type the winding may be either uponthe 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… … Fig. 357.- -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…
Electricity · Magnetism
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