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Scientific American, Vol. 64, No. 11 (1891) (1891)
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ao 8 © os « @ © @© © s ss 2 2 6 - @ 2 «2 @ 2 oo (Entered at the Post Office of New York, N. Y., as Second Clase Matter. Copyrighted, 1891, by Munn & Co.) A WEEKLY JOURNAL OF PRACTICAL INFORMATION, ART, SCIENCE, MECHANICS, CHEMISTRY, AND MANUFACTURES, ve gereumen Wis ; - NEW YORK, MARCH 14, 1891.… … MANUFACTURE OF HEAVY GUNS FOR JU. § NAVY. (Continued from Scientific American, February 28, 1891.) Before entering upon a description of the assembling and finishing, let us consider the method followed to discover the physical characteristics of the steel. Those to which particular attention is…Internet Archive · Public domain (published before 1931). Free to use for anything.
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