Failed Attempt to Build an Early Helicopter, 1915 March 9, 2021 Vintage Everyday 1910s, aviation, event & history, inventions, science & technology, vehicles 0 This post was originally published on this site Man sitting in early helicopter invention, ‘Sky Car’, in January 1915. Umbrella style wing makes the Sky Car bounce up and down on the ground. (Footage by Getty Images)
Leave a Reply