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Scientific American, Vol. 92, No. 13 (1905) (1905)

leaf 7

An illustration from Scientific American, Vol. 92, No. 13 (1905), 1905, leaf 7
d as “crude” or passes into the mill to the southern section of the bay is contaminated by no transfer being made as the brine reaches a certain be refined. The demand from tanners is supplied from considerable affluents to di- the lowest grade. The first lute with supplies of fresh operation is… … bolting the finished prod- a dirt wall 4 feet wide, uct is a prominent feature built of cubes of clay sod of the works. - i‘wenty and mortared together by

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