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The RJ Spalding Flying Machine Front Side patent art. Published in 1889, this patent was filed by Jasper Spalding. Patent Drawing for R. J. Spalding’s Flying Machine; 3/5/1889; Records of the Patent and Trademark Office, Record Group 241.

An aircraft is a machine that is able to fly by gaining support from the air. It counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines.

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