Popular Science (1872-Present Popular Science Publishing Co.) Vol. 123 #4

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Volume 123 Issue 4 - October, 1933. Cover by Edgar Wittmack. "Nature Invented Them First" details rivals of man-made tools, in plants and animals, "Making and using an Equatorial Telescope" shows you how to build an instrument to bring the stars closer, "Poaching Made Big Business by Ruthless Gang of Killers", "Mechanizing the famous mounties" and many more articles of interest. 8.5-in. x 11.5-in., 104 pages, black and white. Cover price $0.15.