'War Takes the Air', Colliers Weekly
Tags: 1920s; 1929; 1929-4-20; Aeronautics and Aerospace; Engineering; Hall, Lieut Bert; Niles, Lieut John J.
'The Inventions of Professor Lucifer G. Butts, A.K.', Colliers Weekly
Tags: 1920s; 1929; 1929-4-20; Design and Invention; Engineering; Goldberg, Rube
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