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Genre Manuscripts Remove constraint Genre: Manuscripts Format Text Remove constraint Format: Text Rights In Copyright - Rights-holder(s) Unlocatable or Unidentifiable Remove constraint Rights: In Copyright - Rights-holder(s) Unlocatable or Unidentifiable Subject Hydrogen-ion concentration Remove constraint Subject: Hydrogen-ion concentration

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    • Remarks by Edwin P. Arthur before the Los Angeles Section of the American Ceramic Society March 9, 1955
    • 1955-Mar-09

    In his address to the American Ceramic Society, Edwin Arthur discussed the importance of pH--and, by extension, the measurement of pH with Beckman instruments--in the work of ceramists.

    Arnold Beckman invented his…

    • 1946-Apr-08

    Handwritten and -drawn notes detail the resistors used in the Model F pH meter.

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