No 895, Week Ending February 25 1893, PAGE, TWO GREAT SHIP CANALS, BERLINER MICROPHONE PATENT, Diameter, driving wheels 5 feet, Pressure, current overhead trolley, Weight, locomotive, Drawbar pull 40000 lb, scientific american, 1893-02-25, 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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