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AIRPLANES

More Unusual Designs from the 1920s, '30s, & '40s
 







Modern Mechanics & Inventions (May 1935)

Carl Strandgren: US Patent # 1639908 // USP # 1753252







Modern Mechanics & Inventions (May 1935)


Russell S. Powell: USP # 1,963,676


Modern Mechanics & Invention (October 1934)

F. K. Kirsten:  USP # 2,090,052 // USP # 2,045,233







Modern Mechanics & Inventions (May 1935)


Alexander Chessin & Serge Trey: USP # 2,004,256





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