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    Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting “acidimeter” with its…

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    This mailer, sent to Beckman shareholders, was a reprint from a company publication and explained the significance of the pH meter.

    Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from…

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    This glass electrode was first used in Beckman pH meters and later other instruments.

    Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an…

    • Beckman Reprint R-24
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    The paper, distributed as a reprint from Beckman Instruments, described the IR-3 spectrophotometer. It was originally presented before the Symposium on Molecular Structure and Spectroscopy, held in Columbus, Ohio at…

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    Beckman Instruments began producing centrifuges after their January 1, 1955 acquisition of industry leader, Specialized Instruments Corporation, or Spinco. With Spinco came the famous Model E Ultracentrifuge, which was…

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    Beckman Instruments began producing centrifuges after their January 1, 1955 acquisition of industry leader, Specialized Instruments Corporation, or Spinco. With Spinco came the famous Model E Ultracentrifuge, which was…

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    Multimeters are instruments capable of making multiple measurements, typically voltage, current, and resistance.

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    Multimeters are instruments capable of making multiple measurements, typically voltage, current, and resistance.

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    Multimeters are instruments capable of making multiple measurements, typically voltage, current, and resistance.

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    This may be a photograph of Dr. Arnold O. Beckman with Walt Donner, the manager of Beckman Instruments' Space Engineering Department in the 1960s.

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    Exterior view of Beckman Instruments' Fullerton plant. In 1954, Beckman's headquarters moved from Pasadena to Fullerton.

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    Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting “acidimeter” with its…

    • Undated

    Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting “acidimeter” with its…

    • Undated

    Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting “acidimeter” with its…

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    Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting instrument kicked off…

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    Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting instrument kicked off…

    • Undated

    Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting instrument kicked off…