IMPROVED STYLOGRAPHIC PEN. Arsenical Poisoning. A Glycerine Barometer. VENTILATION OF BOOTS AND SHOES. BOOT AND SHOE VENTILATOR. Spontaneous Combustion. PRICE INDICATOR FOR GAS METERS. NEW STYLOGRAPHIC PEN. EGNER'S PRICE INDICATOR FOR GAS DIETERS., scientific american, 1880-06-26
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IMPROVED STYLOGRAPHIC PEN, Arsenical Poisoning, Glycerine Barometer, VENTILATION, BOOTS, SHOES, BOOT, SHOE VENTILATOR, Spontaneous Combustion, PRICE INDICATOR FOR GAS METERS, NEW STYLOGRAPHIC PEN, EGNER'S PRICE INDICATOR FOR GAS DIETERS, scientific american, 1880-06-26, 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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