Public domain
Aluminum. Reynolds Metal Company, Louisville, Kentucky. Ingots of "strong alloy" aluminum go through a rolling mill at a temperature of 800 degrees Fahrenheit
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineAluminum. Reynolds Metal Company, Louisville, Kentucky. Ingots of "strong alloy" aluminum go through a rolling mill at a temperature of 800 degrees Fahrenheit. 1941-01-01. United States. Office Of War Information, Highton. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.