Science and Invention (1920-1931 Experimenter Publishing) Vol. 15 #9
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Published Jan 1928 by Experimenter Publications.$30.00
View scansJan. 1928. Edited by Hugo Gernsback. Articles include "Why Birds Migrate," "Street Traffic Will Flow Through Skyscraper," "Growing Living Chemicals" and much more. Profusely illustrated. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.