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 260
ame manner as that forFig. 127. The action of thisplunger in dropping is practi-cally the same as in the elec-trically-operated type, causinga shaft to revolve partiallyand, through the medium ofcams, to close switches andthus cut out resistance fromthe motor. The making, break-ing, and reversing… … If direetion is not right for automaticrei/srse terminals Bl and BZ
Electrical engineering
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