History: William Avery Demonstrating Gliding at the 1904 World's Fair - 1904. [1100x829]

https://i.redd.it/ta2w2nsk5v951.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/ho72a4/william_avery_demonstrating_gliding_at_the_1904/?utm_source=ifttt