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Scientific American, Vol. 31, No. 16 (October 1874) (1874)
leaf 4
plowman, and producing very short wheels into suitable positions. The plows themselves are of the furrow, according to the direction which is given to headlands and clean straight ends, while, when at work, it of a peculiar shape, the share being shaped so as to cut with the wheel. The wrought iron… … THE SUTHERLAND STEAM PLOW © 1874 SCIENTIFIC AMERICAN, INCPatents · Improved · Center · Arsenic · Iron · Engine · Scientific American · Inches · Trade catalogs · Postage included · Horse power · Low pressure · Straight edge · Grand cash · Sailing vessels · Patent office · Nitric acid
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