Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 567
Fig. 347. which the inductive action was considerably multiplied. In 546 THE ELECTRIC LIGHT. Faradays machine, the armature was separated from the mag-net by lifting it away from it. In Siemens armature, the coilis put upon an H piece of iron, and made to rotate in a magnetic … Fig. 348. field. The magnetic core is made of a cylinder of iron, in whicha wide groove is formed longitudinally surrounding the cylinder,and in this the wire of the coil is wound parallel to the axis ofthe cylinder, and is bound with bands which prevent it from THE SIEMENS CYLINDRICAL ARMATURE…
Electrical engineering
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