Public domain
NYA (National Youth Administration) work center, Brooklyn, New York. A Negro bench-lathe worker, who is receiving training in machine shop practice, shown here removing a burr from a screw held in a collet
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineNYA (National Youth Administration) work center, Brooklyn, New York. A Negro bench-lathe worker, who is receiving training in machine shop practice, shown here removing a burr from a screw held in a c. 1942-01-01. Henle, Fritz. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.