Science and Invention (1920-1931 Experimenter Publishing) Vol. 15 #6
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Published Oct 1927 by Experimenter Publications.
Oct. 1927. Edited by Hugo Gernsback. Articles include "New Fog Beacons Guide Planes," "How Movie Film is Made," "Does Coffee Poison the Heart?" and much more. 8 1/2-in. x 11 1/2-in., 96 pages, B&W. Cover price $0.25.
