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Scientific American, Vol. 65, No. 20 (1891) (1891)
leaf 4
fifty-inch face, and weighed 50,000 pounds. The rim engages with the screw thread on the chambered end, from the damp element. was two inches thick. It was attached to the center the nut having an inner projecting back flange that The swimming service of the German army is an ex- engine and… … May, 1892. obstructed in the tube. © 1891 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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