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Subject Electroplating Remove constraint Subject: Electroplating

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    • 1931-Jul-18

    Arnold O. Beckman, then an assistant professor of chemistry at Caltech, offers his assistance as a consulting chemist.

    Lee de Forest (1873–1961) was an inventor, most notably of Audion vacuum tubes in the early…

    • 1931-Jul-15

    In this letter, Lee de Forest requests a referral to a chemist who might help electroplate film.

    Lee de Forest (1873–1961) was an inventor, most notably of Audion vacuum tubes in the early twentieth century. His serial…

    • 1936-Jun-20

    Color print magazine advertisement for Community Plate silverware. This ad appeared in The Saturday Evening Post, June 20, 1936.

    • 1919-Nov-29

    Color print magazine advertisement for Community Plate silverware, "with its charming Period Designs." This ad appeared in The Illustrated London News, November 29, 1919.

    • 1931-Jan-17

    Color print magazine advertisement for Community Plate silverware. Illustration depicts a woman in a red dress holding a silver spoon, as well as fine silver of the "Noblesse Design." This ad appeared in The Saturday…

    • 1919

    Color print magazine advertisement for Community Plate teaspoons, "guaranteed for 50 years."

    • 1947-Nov

    Color print magazine advertisement for Community silverware. This ad appeared in the Ladies' Home Journal, November 1947.