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Subject Eyeglasses Remove constraint Subject: Eyeglasses

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    • 1960 – 1962

    Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…

    • 1959

    This advertisement from Beckman Instruments places the company in a long narrative of scientific instrumentation, starting with 18th century eyeglass manufacturer, Edward Scarlett (optician to His Majesty King George…