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Scientific American, Vol. 80, No. 23 (1899) (1899)

leaf 7

An illustration from Scientific American, Vol. 80, No. 23 (1899), 1899, leaf 7
impair its lasting qualities. Dur- cludes (mentioning them in 1,000 gallons a minute. The washing engines are similar the order of their quality, in construction to the ‘‘engine beaters” described in the and commencing with the cheapest) ‘‘wrapping paper;” articles above mentioned on the… … detail, it should be explained that in the clusion of the process a weak solution of 65,—Thrasher, for Cleaning the Rags. production of these high grade papers it chlorine is introduced into the tank. From is necessary to secure great purity and the washers the pulp is next dropped cleanliness…

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