Popular Science Oct 1947 Popular Science June 1948 Popular Science Sept 1950 Mechanix Illustrated March 1952 Mechanix Illustrated June 1947 Mechanix Illustrated February 1944 Mechanix Illustrated Sept 1947 Mechanix Illustrated March 1944 Mechanix Illustrated Dec 1944 I was going to cut these into ads, but I thought that I would offer them here first.