Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 432
has the line ever beencleared. At the dumping-ground,each dirt-train is run out ona trestle and unloaded in oneof two ways. If it is com-posed of steel dump-cars,these are tipped up either byhand or compressed air. Mostof the trains, however, are ofbig flat-cars, raised on one side, and connected… … TRACK-SHIFTING MACHINE WHICH LIFTS TIESAND TRACKS TOGETHER. gins to rise above the edge of the trestle, a loco-motive pushes up a machine called the spreader,that smoothes it out into a level embankment, andthen another machine, the track-shifter, picksup the ties and rails bodily and swings them…
Children's literature
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