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Scientific American, Vol. 67, No. 2 (July 1892) (1892)

leaf 3

An illustration from Scientific American, Vol. 67, No. 2 (July 1892), 1892, leaf 3
e hardly perceptible. fitted with the improvement. An especially valuable ward the scrapers bear upon the track and wheels, feature of the device is that it automatically opens the MACHINE FOR LAYING DRAINAGE PIPES. and when it is moved in the opposite direction the cylinders to the atmosphere when… … the motion of the screw, is pro- forms, and might be made avail- duced by a cable winding over a MACHINE FOB LAYING DEAIN PIPES. able in this country for various © 1892 SCIENTIFIC AMERICAN, INC.

Water · Valve · Lathe · Liquid · Munn · Scientific American · Dam · Boiled water · Acute angle · Liquid oxygen · Railway rail · Left arm · Feed water · Years ago · Professor dewar · Water Supply

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