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 346
moulded micaFig. 190. Section of Strain Insulator track. Figs. 192 and 193 show how this may be accomplished insimple cases and the same general principle will apply in more com-plicated ones. To the trolley wire are attached a number of curvehangers or pull-overs. A curve hanger is an ordinary… … 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…
Electrical engineering
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