Image:Otto1892.jpg

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Mixed work. U.S. Government patent in public domain was combined with my own drawings and comment that are released to the public domain. The schematic drawing derives from the lines in photographs of Otto Lilienthal and of a sketch made of his triangular control frame that doubled in the TCF's apex as an upper kingpost. Later he went to two kinposts and sometimes no upper kingpost. His patent describes how the pilot would grab the "bar" in front of him

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Date/Time Dimensions User Comment
current 20:47, 12 February 2008 398×442 (51 KB) Joefaust ( Talk | contribs) (Mixed work. U.S. Government patent in public domain was combined with my own drawings and comment that are released to the public domain. The schematic drawing derives from the lines in photographs of Otto Lilienthal and of a sketch made of his triangular)
revert 19:22, 12 February 2008 398×442 (47 KB) Joefaust ( Talk | contribs) (Mixed work. U.S. Government patent in public domain was combined with my own drawings and comment that are released to the public domain. The schematic drawing derives from the lines in photographs of Otto Lilienthal and of a sketch made of his triangular)
revert 19:28, 10 February 2008 319×337 (30 KB) Joefaust ( Talk | contribs) (I release my added drawing to the public domain. The base topic sketch is in public domain; Otto Lilienthal died more than 100 years ago. ~~~~)
revert 19:07, 10 February 2008 319×337 (30 KB) Joefaust ( Talk | contribs)

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