Science and Mechanics 1935-10.jpg Science and Mechanics 1935-08ThumbnailsScience and Mechanics 1935-11Science and Mechanics 1935-08ThumbnailsScience and Mechanics 1935-11Science and Mechanics 1935-08ThumbnailsScience and Mechanics 1935-11

Flame blasts now propel plane. Looks like rocket or jet power.



Artist: Frank r. Paul

Source: eBay seller banjoflier