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Department Archives Remove constraint Department: Archives Language English Remove constraint Language: English Subject Scientific apparatus and instruments Remove constraint Subject: Scientific apparatus and instruments

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    • 1965

    This manual describes the features, programming patchboard system, and operational components of the Model 2230 analog computer.

    Beckman Instruments' analog computers were being produced by their Berkeley Division as…

    • Beckman Instructions 81032-C
    • 1963 (1963 copyright, 1971 printing)

    Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers ended up doing such diverse jobs as monitoring astronauts’ respiration, maintaining packaged food safety,…

    • Liston-Becker Company, Inc.
    • 1953-Jun-08

    This memo details research about the the Liston-Becker Company, which Beckman Instruments acquired in 1955.

    • 1953-Feb-25

    Arnold O. Beckman notes that some of the company's instruments (including pH meters and infrared spectrophotometers) are already being used to monitor air quality, and expresses interest in developing instruments…

    • E-IM-3A
    • 1974-May

    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…

    • 1964-May

    This wall chart was included as an insert in a 1974 Model E operating manual.

    Beckman Instruments began producing centrifuges after their January 1, 1955 acquisition of industry leader, Specialized Instruments…

    • Appraisal of competitors electrodes
    • 1954-Apr-15

    The report concerns Beckman's electrode business, with a focus on Leeds & Northrup electrodes which "do not compare too favorably with ours."

    • 1953 – 1954

    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…

    • circa 1964

    The integrated computing system, including a Beckman 2200 analog computer and Scientific Data Systems 920 digital computer, was introduced in 1964.

    Beckman Instruments' analog computers were being produced by their…

    • Bulletin 147-A
    • 1946

    The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…

    • 1944-Oct

    This instruction manual for several Beckman Instruments products was created by the Hanford Site Instrument Department, specifically for use with Beckman instruments used in their facility. Instruments covered in this…

    • 1956

    Beckman Instruments acquired Stamford, Connecticut-based Liston-Becker in 1955. The Model 28 exhaust analyzer went to market the same year.

    Beckman Instruments, Inc. became interested in measuring, controlling, and…

    • 1955

    The respondents answered questions about the technical capabilities of centrifuges in their institutions, and also offered additional commentary.

    Beckman Instruments began producing centrifuges after their January 1,…

    • 1955

    The questionnaire results identified pH meter features that would broadly appeal to biologists.

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

    • Bulletin 79
    • 1941-May-20

    This report is not an instruction manual, but instead an overview of the (DU) photoelectric quartz spectrophotometer, containing descriptions of its components and specifications.

    The first Beckman Instruments DU…

    • 1953-Jan-07

    In this letter, Beckman declines to develop de Forest's light amplifier.

    • De Forest Patent 2,594,740
    • 1952-Nov-24

    The memo outlines the reasons Beckman should not undertake development of Lee de Forest's light amplifier.

    • 1952-Nov-19

    This letter suggests Beckman might be interested in commercial development of de Forest's new invention, a "sandwich, non-vacuous, light amplifier."

    • 1952-Apr-29

    U.S. Patent 2,594,740, filed on behalf of Lee de Forest and William A. Rhodes, describes a device for amplifying the intensity of radiation.

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

    • 1936-Oct-09

    Lee de Forest states that he has "temporarily become disassociated from the activities of De Forest Television Corporation" and advises Beckman to retain any equipment currently in his possession.

    Lee de Forest…

    • circa 1936

    The receipt lists materials the De Forest Television Corporation received from Arnold O. Beckman. The memorandum concerns work Beckman performed for the American Television Corporation, the De Forest Television…

    • What is new about L & N electrodes
    • 1955-Aug-15

    The report concerns the business of electrodes, including legally challenging questions about possible patent infringement.

    • 1955-Aug-05

    Mass spectrometers measure the mass of sample components after ionization.

    Walter Donner's work with Beckman Instruments including oversight of the development of medical monitoring equipment for the Apollo, Mercury,…

    • 1954-Jan-10

    Beckman Instruments' analog computers were being produced by their Berkeley Division as early as 1953. The company produced analog computers -- also called automation, data reduction, or data handling systems -- for the…

    • 1945-Jun-08

    In this letter Pauling reiterates requests for permission to discuss and publish on the oxygen meter, and argues for loosening security classification. He cites Arnold O. Beckman's permission to discuss the project…