Electric transmission of energy and its transformation, subdivision, and distribution. A practical handbook (1894)
Kapp, Gisbert, 1852-1922 · New York, Van Nostrand · leaf 105
ransversely withcotton-covered copper wire. The winding consists of anumber of coils which cover the core completely insideand out, and the beginning of each coil is joined with theend of its neighbour to the same commutator plate. Whenthe winding is completed the armature is driven tight 90… … motive force of a Gramme armature. Let D be its dia-meter, b its length, and a the radial depth of the core. Fig. 25.
Electric power production
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