Entered at the Post Office of New York N. V. as Second Class Matter. Copyriahted 1.391. by Munn & Co. Vol. LXI VNo. 8.1 WEEKLY. Fig. IWORKS AT BETHLEHEM. MANUFACTURE OF HEAVY GUNS FOR U. S. NAVY. Fig. 3HYDRAULIC GUN FORGING. Fig. 2HYDRAULIC GUN CASTING. Fig. LMACHINE FOR RIFLING LARGE GUNS. MANUFACTURE OF HEAVY GUNS FOR UNITED STATES NAVY., scientific american, 1891-02-28
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Entered, Post Office, New York N, V, Second Class Matter, Copyriahted 1.391, Munn & Co, Vol, LXI VNo, 8.1 WEEKLY, Fig, IWORKS, BETHLEHEM, MANUFACTURE, HEAVY GUNS FOR U, S, NAVY, Fig, 3HYDRAULIC GUN FORGING, Fig, 2HYDRAULIC GUN CASTING, Fig, LMACHINE FOR RIFLING LARGE GUNS, MANUFACTURE, HEAVY GUNS FOR UNITED STATES NAVY, scientific american, 1891-02-28, science, scientific, sciences, mind, health, tech, sustainability, publication, lab, sciam, sa, scientist, research, american, experiment, education, discovery, technology, analysis, magazine, u.s., insights, developments, weekly, broadsheet, inventor, innovation, inventions, patented, industrial revolution, emerging, trends, monthly magazine, united states, engravings, curious works, paper, discover, Scientific Paper, Weekly Journal, Practical Information, Art, Science, Mechanics, Chemistry, Manufactures, research, education, scientist, innovation, 19th century, vintage, america, Rufus M. Porter, 1845, journal, academic, newspaper illustrations, retro style, old-fashioned, media illustrations, victorian style, news, newspaperheadline, 19th century style, illustration, journalism
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