MechanicsAndHandicraft1939-02.jpg Judge 1919-08-30ThumbnailsMechanix Illustrated 1941-11Judge 1919-08-30ThumbnailsMechanix Illustrated 1941-11Judge 1919-08-30ThumbnailsMechanix Illustrated 1941-11
Liquid air for bombs, shown being loaded into small warplane; cutting your gas bills; practical welding; policing icebergs.



Artist:

Source: Grenville Abernethy, who sells on eBay as banjoflier, and has an eBay store as "model aviation magazines".