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February 1942


Fiberglass manufacture, Owens-Corning, Toledo, Ohio. Millions of carefully inspected glass marbles, ready for remelting and forming into glass filaments. A single marble can be drawn into a continuous filament so fine that it would reach from New York to Philadelphia. More than one hundred filaments must be drawn together to make the finest workable strand


More Owens-Corning pictures: http://www.loc.gov/pictures/search/?q=marbles%20owens%20corning

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