Public domain
Production. Steam power plant equipment. A workman with a large chipping hammer prepares to cut away excess metal in a girth seam of a high-pressure boiler drum. Steam boilers and other power-house equipment to supplement the hydroelectric installations of the Tennessee Valley Authority (TVA) system
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineProduction. Steam power plant equipment. A workman with a large chipping hammer prepares to cut away excess metal in a girth seam of a high-pressure boiler drum. Steam boilers and other power-house eq. 1942-01-01. Palmer, Alfred T., United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.