Scientific American (July 14, 1917)
American Exporter (January 1921)
Popular Mechanics (December 1924)
Chilton Automobile Directory (January 1926)
Popular Mechanics (May 1931)
Tool & Die Journal (July 1946)
Popular Mechanics (June 1947)
Popular Mechanics (March 1954)
Industrial Equipment News (November 1954)
Popular Mechanics (May 1957)