Public domain
Samuel Mayer Feiner, sheet metal worker at the Bethelem Steel Company's shipbuilding division in San Francisco, with the drawing of his elbow-edging machine which triples production of elbows and saves over 1,000 man-hours monthly. Feiner, an American of Polish descent, was given a Certificate of In
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineSamuel Mayer Feiner, sheet metal worker at the Bethelem Steel Company's shipbuilding division in San Francisco, with the drawing of his elbow-edging machine which triples production of elbows and save. 1942-01-01. United States. Office Of War Information, Danor, George, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.