Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 878
en gets busy. The little car is pulledup the track, by weight; it opens a shut-ter at the base of the hopper. Sand runsinto car and the weight of the sand startsthe car, when it is nearly full, down thetrack. At the bottom the car automatic-ally dumps tlie sand. Car goes up, loadsup, comes down,… … Automatic Panama Pile Driver
Children's literature
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