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  • Description: invisible
(6 results)



Display: 20

    • Analyzing invisible vapors

    • Manufacturing process of acetate rayon
    • An electric eye enables this ultraviolet photometer, at left, developed by scientist of DuPont's Rayon Technical Division and Electrochemicals Department, to see shadows of invisible vapors and gases in plant atmosphere. Here intake hose of...
    • DuPont Magazine [January-February 1973]

    • Periodicals; Chemical industry; Collectors; Paint industry; Textile industry; Plastics industry; Fashion industry;
    • Table of Contents: Catering to the collectors; Coatings applied by current; Shortwave, long reach; Clearing the way for improvements; An achievement in velvet; Rehearsing the descent to mars; A towering shower of light; The almost invisible mark of...
    • DuPont Magazine [April-May 1955]

    • Periodicals; Chemical industry; Weeds; Textile industry; Plastics industry; Mobile home living;
    • Table of Contents: New weapons in the war on weeds; This fabrilite breathes; They take their homes with them; Outboard without roar; Paper from man-made fibers; Ever hear of fiberfill; The right light for the job; Why high compression car engines;...
    • DuPont Magazine [No. 3, 1999]

    • Periodicals; Chemical industry; Plastics industry; Packaging; Pork; Whaling; Buildings; Textile industry; Health care; Printers; Floor coverings; Agriculture;
    • Table of Contents: Corian lives largei n NYC; Prosperity in pork; A whale of a story; Dwarfing Mount Olympus; Selling the invisible difference; A second chance at life; The new inkjet set; Hoteling in the office; On a roll; Planting the seeds of...
    • The miro balance

    • Research Tools and Apparatus
    • The micro balance, shown here in the Chemical Department's Analytical Laboratory at DuPont's Experimental Station is one of the essential tools of modern chemistry, which demands a high degree of measuring accuracy. The human hair eight inches...
    • Lucite contact lenses

    • Use of Lucite
    • These contact optical lenses of Lucite methyl methacrylate resin, worn next to the eyeball to correct defective vision, weigh 40% as much as optical glass and are virtually unbreakable and invisible. They now are used by about 5,000 people,...

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