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 240
Fig. 100. PerspeotiTe View of Good Typoof Trolley Wheel 206 ELECTRIC RAILWAYS 111 … Fig. 107. Special Form of Trol-ley Wheel for Cutting Sleet hubs to furnish additional hibrication. The diameter of the wheelsis determined by the speed at which they are to be operated, largerwheels being used for higher speeds. The diameter is from 4 to 5inches for low-speed wheels and it maybe 6…
Electrical engineering
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