AN IMPROVED LENS-GRINDING MACHINE. POWERFUL FREIGHT LOCOMOTIVE FOR THE PENNSYLVANIA RAILROAD. A NEW POWER-HANDIER. POWERFUL FREIGHT LOCOMOTIVE PENNSYLVANIA RAILROAD. A Word of Advice., scientific american, 1899-04-08
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IMPROVED LENS-GRINDING MACHINE, POWERFUL FREIGHT LOCOMOTIVE FOR, PENNSYLVANIA RAILROAD, NEW POWER-HANDIER, POWERFUL FREIGHT LOCOMOTIVE PENNSYLVANIA RAILROAD, Word, Advice, scientific american, 1899-04-08, 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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