Alexander Graham Bell Quotes
I have had the feeling that a properly constructed flying-machine should be capable of being flown as a kite; and conversely, that a properly constructed kite should be capable of use as a flying-machine when driven by its own propellers.
Citations
Bell, Alexander Graham. "The Tetrahedral Principle in Kite Structure." National Geographic Magazine, vol. 14, no. 6, June 1903, p. 219.
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Alexander Graham Bell was a Scottish-born scientist, inventor, engineer and innovator who is credited with patenting the first practical telephone.