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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 356

An illustration from 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, leaf 356
on 110-, 220-, or 500-volt circuits and giving speed variations of 6 to1, 5 to 1, 4 to 1, 3 to 1, 2 to 1, or H to 1. The field yoke is of thebest electrical steel cast in one piece. The main poles are made ofcast electrical steel or of laminated steel and are bolted to the fieldyoke. They are… … Fig. 86. Electro-Dynamic Motor Showing Interpoles

Electrical engineering

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