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 342
«O So ^s o . w<:^^ • HC5 .>< o -. ^t <z , Wo >y ELECTRIC RAILWAYS 201 section, which is shown in Fig. 180, is designed to present a smoothunder-surface to the trolley wheel, which will not be interrupted by … Fig. 181. Hanger and Ear for Round Trolley Wire the clamps or ears used to support it. Clamps are fastened to theupper part of the figure 8. The grooved wire, which is rolled withgrooves into which supporting clamps fasten, presents a smooth under-surface to the trolley wheel. The usual support for…
Electrical engineering
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