Popular Science (1872-Present Popular Science Publishing Co.) Vol. 123 #1
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Published Jul 1933 by Popular Science Publishing Co..$2.50
View scansVolume 123 Issue 1 - July, 1933. Cover by Edgar Wittmack. "World's First Steam-Driven Airplane" details the first flight of this epic machine, "Tricks of Firebugs Exposed by Police Experts", "What You Can See in Starland with an Opera Glass" how to study the heavens with this simple apparatus, "New Electrical System Gives Vast Tone to Orchestra" how a mighty loud speaker hook-up confers undreamed-of powers on human musicians, and many more articles of interest. 8.5-in. x 11.5-in., 96 pages, black and white. Cover price $0.15.