Digital Commonwealth — Boston Public Library
America needs your scrap rubber
United States. War Production Board · 1942
Four images with captions: (1) "A Gas Mask requires 1.11 pounds of rubber," (2) "A Life Raft requires 17 to 100 pounds of rubber," (3) "A Scout Car requires 306 pounds of rubber," (4) "A Heavy Bomber requires 1,825 pounds of rubber."
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