File:Edward Frost ornithopter.JPG
Edward_Frost_ornithopter.JPG (340 × 274 pixels, file size: 25 KB, MIME type: image/jpeg)
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current | 22:19, 26 December 2005 | 340 × 274 (25 KB) | Chris 73 | Edward Frost of Cambridgeshire, England, constructed an ornithopter of willow, silk, and feathers in 1902. Frost was later president of the Royal Aeronautical Society. Source: http://www.centennialofflight.gov/essay/Dictionary/ornithopter/DI37.htm {{PD- |
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