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 361
by the armature wires, (b) The number of cutting wires, (c) The speed at which the lines of force are cut. The E. M. F. of the single loop armature. Fig. 308, willtherefore be increased by winding it upon an iron core calledthe armature core, as in Fig. 313, which greatly increases thenumber of… … ^QfyyYTV^y^ Fig. 313.—SiemensShuttle Armature. Truss-section ofShuttle Armature.
Electricity · Magnetism
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