Public domain
Aluminum. Reynolds Metal Company, Louisville, Kentucky. Flattening sheet aluminum after heat treatment. This flattening operation is most important in the production of aluminum sheet for use in airplane manufacture
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Credit lineAluminum. Reynolds Metal Company, Louisville, Kentucky. Flattening sheet aluminum after heat treatment. This flattening operation is most important in the production of aluminum sheet for use in airpl. 1941-01-01. Highton, United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.