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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 347

An illustration from 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, leaf 347
Fig. 191. Span Con.struction for Single Trolley Wire attached. In the case shown in Fig. 192, the tangent wire is sup-ported at each end of the curve by a pair of poles and a span wire.These poles also serve to anchor the trolley wire at the curve, theanchor wires being shown. On the curve there… … Fig. 192. Line Construction on a Curve Using Five Poles POLE

Electrical engineering

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