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Popular Science 1941-10

Popular Science 1941-10.jpg ThumbnailsScientific American 1911-04-22ThumbnailsScientific American 1911-04-22ThumbnailsScientific American 1911-04-22ThumbnailsScientific American 1911-04-22ThumbnailsScientific American 1911-04-22

Photograph of a soldier, wearing a gas mask, looking through a transit. "New Tools for Army Strength," and "How Warplanes Fight at Night."



Source: Horton Family, Noblesville, Indiana

Restoration by: magscanner