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
Summary
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Tags
Date
01/01/1942
Contributors
Palmer, Alfred T., photographer
United States. Office for Emergency Management.
Location
Source
Library of Congress
Copyright info
Public Domain