Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 152
Fig. 60. this direction. He undertook to ascertain what was the cause ofthe heating of the body of such armatures. He revolved ablock of iron between the poles of an electro magnet, and, afterrunning the same five minutes, it was found that a piece ofmeat laid upon it could be well cooked by the… … Fig. 61. of disks of thin iron separated from each other by a sheet oftissue paper, thus breaking up the induced currents and theinjurious heating. The armature wire consists of bars of copper. These barslie close to each other around the cylinder which forms tlie 138 THE ELECTIilC LIGHT.
Electrical engineering
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