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Scientific American, Vol. 4, No. 22 (February 17, 1849) (1849)

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An illustration from Scientific American, Vol. 4, No. 22 (February 17, 1849), 1849, leaf 3
ut the ter in the boiler the machinery isrendered en- slag does not take up so much metal as by the To Elijah Learned, of Boston, Mass. for im- required depth, and the tongue formed of the tirely harmless. old process. provement in Hoisting Apparatus. Patented exactsize. He uses pressurerollers for… … (2 patents.) Patented Feb. 6,. 1849. New Shingle Machine. es This is a very neat and convenient arrange- below and one above, but one revolving shaft To Henry W. Holly, of Stamford, Conn, Mr. J. D. Guseman, of Shippensburg, Pa , ment of a small upright saw whereby it can will do, if a coiled spring…

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