Public domain
Fiberglass manufacture, Owens-Corning, Toledo, Ohio. Fiberglass yarns are twisted and plied on standard textile machinery as a step in the manufacture of tapes and cloths. These yarns are used principally to insulate electrical equipment operating under heavy loads
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Credit lineFiberglass manufacture, Owens-Corning, Toledo, Ohio. Fiberglass yarns are twisted and plied on standard textile machinery as a step in the manufacture of tapes and cloths. These yarns are used princip. 1942-01-01. United States. Office For Emergency Management, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.