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 412
Fig. 1G3. Front and Rear Views of Type E Collector RingsCourtesy Westinghouse Electric cfc Manufacturing Company SO that the heat of the coils is readily conducted to the surface andso dissipated. Between adjacent surfaces of the turns of the strap,layers of flexible fireproof insulating material…
Electrical engineering
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