Public domain
Production. Steam power plant equipment. Cylinder and piston of a 6,000-ton hydraulic press used to form parts for high-pressure boilers. Steam boilers and other power-house equipment to supplement the hydroelectric installations of the Tennessee Valley Authority (TVA) system are produced in the lar
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineProduction. Steam power plant equipment. Cylinder and piston of a 6,000-ton hydraulic press used to form parts for high-pressure boilers. Steam boilers and other power-house equipment to supplement th. 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.