~ Lord Kelvin, Royal Society, 1895
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| Inverted Jenny Error 1918 |
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Showing posts with label stamps - errors. Show all posts
May 27, 2008
Lord Kelvin on the impossibility of manned flight (1895)
Heavier-than-air flying machines are impossible.
~ Lord Kelvin, Royal Society, 1895
~ Lord Kelvin, Royal Society, 1895
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