HAGLEY MUSEUM AND ARCHIVE / SCIENCE PHOTO LIBRARY HAGLEY MUSEUM AND ARCHIVE / SCIENCE PHOTO LIBRARY
Nylon toothbrush products. Machinery adding nylon bristles to toothbrushes on a factory production line. The machine automatically drills the holes in the handles, inserts the bristles, and anchors them securely. Nylon was a new material discovered by the DuPont Company in 1935. The first toothbrushes using nylon were sold in 1938. Photographed in the 1930s at the DuPont factory at Leominster, Massachusetts, USA.
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