'Wings Over America', The New Yorker
Tags: 1920s; 1929; 1929-3-30; Aeronautics and Aerospace; Aviation; Du pont; Engineering; Giuseppe Bellanca; Weimar, William
'The Inventions of Professor Lucifer G. Butts, A.K.', Colliers Weekly
Tags: 1920s; 1929; 1929-3-30; Design and Invention; Engineering; Goldberg, Rube
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