Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 218
Fig. 108. within a cylindrical space bored out of the verv massive pole-pieces shown in the front of the illustration, and which are builtup of twelve heavy blocks of cast iron, held together by longbolts threaded through them, and by surface coupling platesscrewed on to three of their faces. The… … Edisons incandescent system. 203 core built up of no less than 2,200 disks of very tliin sheet iron,alternating with disks of tissue paper, while at every footmeasured in the direction of its length, is a disk of thick iron togive stability and rigidity to the armature; the whole is squeezedand…
Electrical engineering
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