The Revolving Blades Are Attached to Concentric Steel Shafts Rotated in Opposite Directions. THE L1JYTIES HELICOPTER. PROBABLY THE LARGEST EXPERIMENTAL ROTARY PLYING MACHINE EVER TESTEDNee page VO.1 CIENTIFIC MERICAN, scientific american, 1908-07-11
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Revolving Blades, Attached, Concentric Steel Shafts Rotated, Opposite Directions, L1JYTIES HELICOPTER, PROBABLY, LARGEST EXPERIMENTAL ROTARY PLYING MACHINE EVER TESTEDNee page V, scientific american, 1908-07-11, 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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