. Electric railway journal . te, were erected witha standard 75-ton wrecking derrick, fitted with a special capable of lifting either the steel or concrete poles ata point 90 ft. from the center of the track. The concretepoles were lifted from the cars on which they were loaded,and placed on timber horses adjacent to the excavation wherethey were to be set; the cross-arms and grillage were thenput in place, and the pole, thus equipped, was picked up at thetop and lowered into the excavation. The steel poles werepicked up from the embankment, where they had been un-loaded, and lifted
. Electric railway journal . te, were erected witha standard 75-ton wrecking derrick, fitted with a special capable of lifting either the steel or concrete poles ata point 90 ft. from the center of the track. The concretepoles were lifted from the cars on which they were loaded,and placed on timber horses adjacent to the excavation wherethey were to be set; the cross-arms and grillage were thenput in place, and the pole, thus equipped, was picked up at thetop and lowered into the excavation. The steel poles werepicked up from the embankment, where they had been un-loaded, and lifted by the derrick vertically over the founda-tion and set in place. All high-tension insulators are of porcelain, of the petticoattype. Straight-line insulators are made of three pieces, and various railroads in the meadows section and the city streetsin tlie Sunnyside yard section were provided with doublecross-arms, strain insulators, and a dead-end clamping devicedesigned tu attach the power wires securely to the Pennsylvania Railroad—Setting Transmission Line Polewith Derrick Car At the Hackensack River the power line rises sharply, inone span, to the top of the high towers, and required special
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Keywords: ., bookcentury1900, bookdecade1900, bookidelectricrailway371911newy
