. The street railway review . of yellow pine, impreg-nated with creosote, and thoroughly painted with water-proof paint. These guard strips are made up in lengthsof about fifteen feet and joined by means of small. WIRE BRIDGE OVER HANGERS. withstand the extra strain. At crossings and switchingpoints, where the cross construction is complicated, theuse of three guard wires for each trolley wire, wouldmake a very objectionable tangle of guard wires. plan and section of clip.

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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads