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Scientific American, Vol. 27, No. 24 (December 1872) (1872)
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r distance than the former, and, so to say, pierce it iform system of tests for boiler plates is suggested, and the taken. The regular weekly edition of the Scientific Amer- principal manufacturers have been called upon to present through; on the other hand, the former will produce a far ican is… … TWENTY INCH SMOOTH BORE GUN FOR THE RUSSIAN GOVERNMENT. © 1872 SCIENTIFIC AMERICAN, INCPatents · Iron · Consists · Valve · Scientific American · Sail · Loose pulley · Hot blast · Steam boiler · Address munn · Patent office · Trade mark · Trade catalogs · Steam engine · York steam
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