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Scientific American, Vol. 2, No. 11 (March 1860) (1860)

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An illustration from Scientific American, Vol. 2, No. 11 (March 1860), 1860, leaf 0
ater. of tubs, the ends of which slope inward at the top. In Railroad, has progressed favorably during the past year. Hitherto all the work has been done by hard manual each partition is suspended from a swinging frame one The whole length of the tunnel to be constructed is about labor, although… … THE SHAKER WASHING MACHINE. ning across the tub with open spaces between them. The machine for boring the big hole right through the rock. the grade line of the tunnel is 1,750 feet. About 2,100 A machine of this kind, we believe, was constructed with clothes and suds or water are put into the tubs…

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