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Scientific American, Vol. 4, No. 30 (1849) (1849)

leaf 7

An illustration from Scientific American, Vol. 4, No. 30 (1849), 1849, leaf 7
LITERARY NOTICES. History of the Rotury Engine. To Restore Stained Linen. We have received the April number of the soap. Mix some starch toa thick paste with rican. cold water, and spread it over the soaped … gives a greenish precipitate, which becomes should think this a valuable publication for This rotary engine is the invention of M. M. ted, put in the linen, and boil it half an hour. nearly white with the addition of-more hy- business men and others desiring a knowledge Pierret,and Morel, of Paris,…

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