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Popular Mechanics 1922-03

Popular Mechanics 1922-03.jpg Popular Mechanics 1909-05ThumbnailsPopular Science 1947-09Popular Mechanics 1909-05ThumbnailsPopular Science 1947-09Popular Mechanics 1909-05ThumbnailsPopular Science 1947-09Popular Mechanics 1909-05ThumbnailsPopular Science 1947-09

Huge canal digging machine cuts V slots in the ground as it moves on tractor treads.



Artist:

Source: ebay seller powerangers

Restoration by: magscanner