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Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)

American Technical Society · Chicago : American Technical Society · leaf 95

An illustration from Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc., 1916, leaf 95
Fig. 93. Bipolar Ring Field-Magnet … Fig. 94. Four-Pole Ring Field-Magnet Fig. 95. Multipolar Ring Field-Magnet The ratio between the total flux and the useful flux is called thecoefficient of magnetic leakage or dispersiori, that is (14) It is a number greater than unity, and varies in value with the sizeand type of generator. 79 70…

Electrical engineering

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