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 442
each rear wheel bymeans of worm gearing and chain. Nine positions in the controllerare provided, 5 for series connections and 4 for parallel connections.The motors run at 1,050 revolutions per minute, which is equivalentto 10 miles per hour. Cars. The construction of the cars can easily be… … 397 18 TRACKLESS TROLLEY TRACTION
Electrical engineering
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![An illustration from The Mason Machine Works, Taunton, Massachusetts, U.S.A., inventors and builders of cotton machinery : Founded 1842 ; Incorporated 1873 ; [Catalogue] (1898)](https://img.insideoutlibrary.com/img/200/ia-masonmachinework00maso-30-11.webp)
