Popular Science 1935-03.jpg Popular Science 1934-12ThumbnailsPopular Science 1935-06Popular Science 1934-12ThumbnailsPopular Science 1935-06Popular Science 1934-12ThumbnailsPopular Science 1935-06Popular Science 1934-12ThumbnailsPopular Science 1935-06

Dual-rotor autogyro flying.



Artist: Edgar Franklin Wittmack

Source: eBay seller powerangers

Restoration by: magscanner