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 340
t con-struction is usually used in the support of the trolleywire. Trolley and Fastenings. The trolley wire, of hard-drawncopper, is suspended from the span wires or brackets in such a wayas to permit of an uninterrupted passage of the upward-pressingtrolley wheel. The trolley wire itself may be… … «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
Electrical engineering
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