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  • Description: bleached
(4 results)



Display: 20

    • Inspecting bristles

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    • In the manufacture of toothbrushes by E.I. du Pont Nemours & Company at Leominster, Massachusetts the bristles are first washed, bleached and sterilized and then carefully examined for possible colored bristles. This scene shows girls picking out...
    • DuPont Magazine [December 1956-January 1957]

    • Periodicals; Chemical industry; Rubber; Plastics industry; Nylon; Textile industry;
    • Table of Contents: I remember rubber; Lighting up with lucite; Coming, better protein from cereal foods; These paper profits are real; Business's economic forecasters; Precision machining of teflon; fit for a sporting life, mycoban chases cheese...
    • Preparing bristle

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    • Bundles of raw bristle, used in the manufacture of toothbrushes, are first washed, bleached and sterilized and then dried thoroughly at the Leominster, Massachusetts plant of E.I. du Pont Nemours & Company. Trays of bundles of bristles are seen...
    • DuPont Magazine [June-July 1951]

    • Periodicals; Chemical industry; Plastics industry; Furniture industry; Agriculture;
    • Table of Contents: Letter from customer; Those popular bleached blondes; Pioneering in potash; Want a softer toothbrush; Packaging films report for duty; The gusher called Spindletop; Revolution in electronics; Fifth column of the forage land; This...

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