'Detroitism---What Is It?', Colliers Weekly
Tags: 1920s; 1929; 1929-6-1; Engineering; Production; Shepherd, William G.
'The Inventions of Professor Lucifer G. Butts, A.K.', Colliers Weekly
Tags: 1920s; 1929; 1929-6-1; Design and Invention; Engineering; Goldberg, Rube
'THE UNSPEAKABLES', The New Yorker
Tags: 1920s; 1929; 1929-6-1; Engineering; films; movies; talkies; Telecommunications
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