The ‘oddball’ flying machine that would have revolutionized delivery – in 1892(washingtonpost.com)

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The ‘oddball’ flying machine that would have revolutionized delivery – in 1892

https://www.washingtonpost.com/news/innovations/wp/2016/12/16/a-19th-century-mail-drone-with-flapping-wings-would-have-beat-amazon-by-124-years/?utm_term=.5a3497ce32ba

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