Popular Science (1872-Present Popular Science Publishing Co.) Vol. 130 #6
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Published Jun 1937 by Popular Science Publishing Co..$7.20
View scans- spine break small tears Front cover detached 30%. Back cover detached 40%.
Cover by Edgar F. Wittmack. 8.5" x 11.5", 128 pages, B&W. Cover price $0.15.
