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Genre Manuscripts Remove constraint Genre: Manuscripts Subject Beckman Instruments, inc. Remove constraint Subject: Beckman Instruments, inc.

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    • 1980

    These handwritten notes (by an unidentified author) detail the process by which Linus Pauling came to National Technical Laboratories to produce his oxygen meter design and how this lead to the formation of Arnold O.…

    • 1960s

    The notes, which appear to be written in the same hand, may have been authored by James C. Sternberg.

    The Glucose Analyzer was developed by James Sternberg in 1969 and was one of several very successful medical…

    • 1956

    Although the author is unknown, these instructions were most likely written by a Beckman Instruments employee. This glass electrode was used in Beckman pH meters.

    Arnold Beckman invented his first pH meter in 1934 at…

    • 1955-May-10

    The handwritten notes appear to be signed Noel Brayman.

    Glass electrodes were used in Beckman pH meters and various other instruments.

    • 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…

    • Final draft
    • 1955-Feb-25

    The foldering of this document suggests it was written by Edwin Arthur. As in a 1957 document, "beauty" was the first criteria to be evaluated.

    The glass electrodes were used in Beckman pH meters and various other…

    • 1954-Mar-28

    This series of handwritten and -drawn notes relates to the development of the Beckman DU-X2 spectrophotometer. One of the pages appears to be missing.

    The first Beckman Instruments DU Spectrophotometer was developed in…

    • 1954-Sep-26

    These handwritten notes on glass electrodes appear to be signed Noel B. Brayman.

    Glass electrodes were used in Beckman pH meters and various other instruments.

    • 1944-Jun-30
    • 1952-Feb
    • 1953-May

    The included reports are "The Pauling Oxygen Meter" by Reuben E. Wood and David P. Shoemaker, 1944; "Final Report Contract Nonr 388(00): Research Covering Develpment of an Onoxia Warning Device for Use in High-altitude…

    • 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…

    • 1936-Aug

    This report outlines the colorimetric and electrical ways to determine the pH of a solution and the various kinds of electrodes that can be used with electrical instruments. Beckman concludes that a method using glass…

    • Undated

    Undated notes by an unknown author, although his person was very likely a Beckman Instruments employee.

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

    • Personal Recollections of Arnold O. Beckman
    • Undated

    The account focuses on the early days of Beckman's entrepreneurial endeavors, from Robert Millikan referring I. H. Lyons to Beckman for assistance with National Postal Meter Company inks through the renting of a new…

    • Undated

    This account of Howard Cary's life covers the period from his birth to his initial contact with National Technology Laboratories and brief discussion of his later involvement with pH meter development. He devotes a fair…