Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 76
Fig. 66.—Armature with a Gramme ring winding. the amount of current passing through the machine dependsentirely on the resistance R of the external circuit. 60. Multipolar Windings.—It has been found economical in … Complete Winding Fig. 68.
Electrical engineering
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