Public domain
Tin can alley leads to victory. Every precious bit of metal in America's salvaged tin cans is used in the war effort. The complete utilization of discarded cans includes one percent tin and ninety-nine percent steel scrap. Here, carloads of this "black scrap," the leftover steel from the discarded c
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Credit lineTin can alley leads to victory. Every precious bit of metal in America's salvaged tin cans is used in the war effort. The complete utilization of discarded cans includes one percent tin and ninety-nin. 1942-01-01. United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.