Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 457
Fig. 20. Curves, Suspension, and Ours. — The suspension of the trolley wireat curves is complicated or simple, according as the track may be single ordouble, or the curve may be at a crossing or a simple curve. Below aresketches of several types of suspension for different forms of curves,… … Fig. 21. Simple Right-angleCurve, Single Track. Fig. 23. Double Track, Right-angle Fig. 24. Double Track, Right-Turn, Cross Suspension. angle Turn, Center Pole. Crossings, Suspension, and Guys. — Simple crossings of tracksmake no complication in the suspension of the trolley wires. When curvesare…
Electrical engineering
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