Curious Error in a Trade Mark. AN IMPROVED ROCK DRILL. THE McKEERNAN ROCK DRILL. Coal Production of the United States. Effect on Bridges of Motive Pourer at High Speeds. 4 A CONVENIENT DRILL CASE. THE WEISS DRILL CASE. IMPROVED BINDING FOR BLANK BOOKS. WALLEN'S IMPROVED BOOKBINDING., scientific american, 1897-06-26
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Curious Error, Trade Mark, IMPROVED ROCK DRILL, McKEERNAN ROCK DRILL, Coal Production, United States, Effect, Bridges, Motive Pourer, High Speeds, 4, CONVENIENT DRILL CASE, WEISS DRILL CASE, IMPROVED BINDING FOR BLANK BOOKS, WALLEN'S IMPROVED BOOKBINDING, scientific american, 1897-06-26, 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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