Public domain
Fiberglass manufacture, Owens-Corning, Toledo, Ohio. As the blanket of fiberglass thermal insulation moves along on a conveyer, it is packaged in rolls. These rolls then are taken elsewhere in the plant to be fabricated into pipe covering or insulating blocks
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineFiberglass manufacture, Owens-Corning, Toledo, Ohio. As the blanket of fiberglass thermal insulation moves along on a conveyer, it is packaged in rolls. These rolls then are taken elsewhere in the pla. 1942-01-01. Palmer, Alfred T., United States. Office For Emergency Management. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.