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Scientific American, Vol. 18, No. 11 (1868) (1868)

leaf 7

An illustration from Scientific American, Vol. 18, No. 11 (1868), 1868, leaf 7
ch plank 24 by 16, The mortar, of gun metal, gen gas contained in the reservoir between the surface of the soft and plastic, and thus prevented from cracking and break- weighed only 65 pounds, and was, of course, still more porta- liquid and the top inner surface of the lamp. Atmospheric ing when… … tacked, and pitched their shells with ease into the very heart of thecamp. They proved perfectly effectual, and infinitely air or oxygen, being admitted to this space, makes, in combi- John J. Ensley, of New York city, has patented the follow- more useful than the small guns, not only in attacking…

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