Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 673
Fig, 435. 652 THE ELECTRIC UGHT. strong magnetic field. Fig. 485 represents a form of electro-plating machine in whicli the cores of the field-magnets are … Fig. 436. made of wrought iron, and fig. 436 represents another form in
Electrical engineering
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