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Scientific American, Vol. 40, No. 22 (May 1879) (1879)

leaf 4

An illustration from Scientific American, Vol. 40, No. 22 (May 1879), 1879, leaf 4
hile last year 27,018 lb. were imported and sold at the same price as the American article, 57 cents per lb. At present which is limited to a quarter of a revolution, permits of one Mr. G. V. Sheffield, of New York city, has patented an set of arms replacing the others. This also imparts motion the… … urged against cast iron that he made known in THRASHER, STRAW SCALE AND SHEAF BINDER. furnaces. 1877, and the account of which has been so An improved board widely copied by scientific papers, M. Plante goes on to say: for ironing shirts has been patented by Mr. John Boger, of ported, but it could…

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