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 351
ated motors; but with proper windings andframe they may be practically of the same efficiency as the opentypes. They are not well adapted for continuous running, but doadmirably for intermittent service. For the smaller sizes of con-stant speed machines, the Crocker-Wheeler Company uses a… … Fig. 82. Frame and Field Coils of Commutating Pole MotorCourtesy of Crocker-Wheeler Company
Electrical engineering
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