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Scientific American, Vol. 21, No. 5 (1869) (1869)

leaf 7

An illustration from Scientific American, Vol. 21, No. 5 (1869), 1869, leaf 7
in front are double, and the lid, or hood, A, has drying up; but nothing was found except that the roots of dumped, and are so low that the operation of loading them is side pieces, B, which play between the plates of metal which the firs had penetrated the earth to a depth of five or six feet.… … hole on one side. when the scuttle is canted forward in the act of filling a Patented through the Scientific American Patent Agency, Another correspondent writes us from Illinois, stating that grate, the pressure of the contained coal throws the hood out Sept. 4, 1866, by A. Peteler, New Brighton,…

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