Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 76
Complete Winding Fig. 68. … Diagrammatic Representation of a 4 Pole Winding Fig. 69.Gramme ring winding for a four pole machine. practice to build machines with more than two poles, see page56, the poles being arranged in pairs alternately N and S. InFig. 68 the winding for a four-pole machine is shown diagrammat- 52…
Electrical engineering
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