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Scientific American, Vol. 6, No. 2 (September 28, 1850) (1850)

leaf 3

An illustration from Scientific American, Vol. 6, No. 2 (September 28, 1850), 1850, leaf 3
olors—that story, can all be opened by a chain from be- able to do. The number of Examiners, is, in washing calicoes, &c. ; and dissolves them in 150 gallons of water. low. Draughtsmen, and Specification Writers that This is placed in the purifyer—a vessel for that are constantly employed in this… … nical books and publications are always at the composition, so that a dropping supply may service of those gentlemen employed in this be kept up from sbeve, and the sediments be Office, which render great aid in determining allowed to.percolate through a false bottom the patentability of inventions…

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