Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 400
Fig. 145. General Electric Rotor Spider two stiff end plates. They are either bolted to the spider or solidlymounted by means of dovetail slots in the rim, Fig. 145, the steelwedges being guarded by two bolted end rings. In the smaller … Fig. 146. General Electric Pole Piece Showing Dovetailing machines the wire is wound on spools which are slipped over thepole piece and held in place by the large tips. The field coils on thelarger machines consist of a single strip of flat copper, wound on edgeso that every turn has a surface…
Electrical engineering
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