A tin can, clothes pin and some chemically-treated absorbent material make up this home-made gas mask designed and worn by Vernon A. Bowers, a chemist in Baltimore, June 4, 1942. Bowers says the entire mask cost him only about 10…
A tin can, clothes pin and some chemically-treated absorbent material make up this home-made gas mask designed and worn by Vernon A. Bowers, a chemist in Baltimore, June 4, 1942. Bowers says the entire mask cost him only about 10…


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