Popular Science (1872-Present Popular Science Publishing Co.) Vol. 192 #6
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Published Jun 1968 by Popular Science Publishing Co..$2.80
View scans- Water damage: Extensive.
Volume 192, Issue 6 - June, 1968. 6 1/2-in. x 9 1/4-in., 224 pages, black and white. Cover price $0.60.