Topic George Cayley Sir George Cayley "father of aviation" flyingmachines.org/cayl.html       George_Cayley    wiki   “On Aerial Navigation” published in 1809 and 1810, Cayley stated “The whole problem is confined within these limits–to make a surface support a given weight by the application of power to the resistance of air.”      We notice: apply the power via wind and the opposing hold of an anchor and have the kite. One source notes: " In 1804 he flew a model of such a glider, and in 1808, a successful full-scale version was flown as a kite." centennialofflight.net/essay/Prehistory/Cayley/PH2.htm

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March 20, 2020, post by Dave Santos Unidentified Cayley Recreation in Tethered Mode  It even has a rear-wheel brake coupled to rudder. "Derek Piggot bravely flies a replica of Cayley's 1853 glider for a British documentary." [click to see the replica image in tethered flight. The replica in flight at Brompton Dale.  See also HERE ].