The ‘oddball’ flying machine that would have revolutionized delivery – in 1892https://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 by Libertatea • 10 years ago 1 0 10 years agoWAwashingtonpost.com