AN IMPROVED LEVEL AND INCLINOMETER. 41 0 A MACHINE FOR GRINDING CIRCULAR KNIVES. The Pinhole Camera. Utopian Heating Arrangements. AN IMPROVED CAR COUPLING. A PORTABLE VAPOR AND HOT AIR BATH APPARATUS., scientific american, 1888-03-03
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IMPROVED LEVEL, INCLINOMETER, 41, 0, MACHINE FOR GRINDING CIRCULAR KNIVES, Pinhole Camera, Utopian Heating Arrangements, IMPROVED CAR COUPLING, PORTABLE VAPOR, HOT AIR BATH APPARATUS, scientific american, 1888-03-03, 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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