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Scientific American, Vol. 22, No. 12 (1870) (1870)

leaf 3

An illustration from Scientific American, Vol. 22, No. 12 (1870), 1870, leaf 3
trees is all “scrape.” The wood, quantities of which now find their way to New York. their efforts to cover it quickly with earth add to the wildness of the scene. i virgin dipis, when carefully gathered, a honey-like gum, of In trees deadened by fire, stumps of trees cut down when the whitish… … The operation of distilling the gum is carried on in turnip- shaped copper stills of a capacity from ten barrels up to sixty formation of the wood takes place ; all its pores become filled 7, Ais the pit to receive the tar which flows through the —the ordinary size being twenty and thirty barrels.…

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