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  • Description: optical
(5 results)



Display: 20

    • 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,...
    • DuPont Magazine [March-April 1986]

    • Periodicals; Chemical industry; All terrain vehicles; Flat tires; Apple orchards; Cycling; Sport clothes; Fashion industry; Textile industry; Paint industry; Fishing; Newspapers;
    • Table of Contents: Boss of all the trails; Fast, no-fuss flat tire repair; Brain storms; Protective apple corps; More than another nylon; Bright prospects for optical disc; The paint with a past; A feel for more fish; Vying for the eyes of Texas;...
    • DuPont Magazine [August 1928]

    • Periodicals; Chemical industry; Plastics industry; Explosives; Dynamite; Ammunition; Mining; Blasting; Textile industry; Automobile industry;
    • Table of Contents: The role of chemistry in the industrial development; Protective cedar chests; Dynamite builds the modern world; The sportsman's part in wild life restoration; The Dictaphone in colors; South Carolina's big dam; The tale of a...
    • Temperature control

    • Manufacture and Application of Ceramic Colors
    • At the DuPont Electrochemicals Department ceramic color plant, a high temperature furnace, used for calcining ceramic pigments, is frequently checked by an operator using a portable optical pyrometer at the burner openings in the furnace wall. All...
    • DuPont Magazine [January 1930]

    • Periodicals; Chemical industry; Explosives; Dynamite; Paint industry; Plastics industry; Textile industry; Automobile industry;
    • Table of Contents: Man makes stone; For adornment? Yes, but..; Up the trail with Pyralin; The ultimate in boxes; The story of anthracite coal; Decorating with Duco; Keeping dates with Cellophane; Show more merchandise, carry less stock; Emulating...

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