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Scientific American, Vol. 17, No. 15 (1867) (1867)

leaf 7

An illustration from Scientific American, Vol. 17, No. 15 (1867), 1867, leaf 7
hook through inches wide, by one thick. At the rear of these runners, on sand pumps, the seed bag, the casing, the rods which clear the clasp, and allow its two sides to spring apart ; of course, the outside, is attached a mold board, or share of cast iron, out the tube, the gas furnaces—the whole… … make Jerusalem his head quar- PLUMB’S PATENT FURROWING SLED. inst., which perhaps you may ters, and to excavate, and in- think it useful to lay before your readers, and meanwhile permit me to express my conviction that the theories so precipitately adopted with reference to the supposed in- ability…

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