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    • 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,…

    • 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…

    • 1945-May-24

    In this letter, Churchill confirms that the National Defense Research Committee (NDRC) has granted Beckman permission to discuss the Pauling Oxygen Meter at an American Chemical Society meeting.

    • 1945-May-10

    In this letter, Beckman requested permission to discuss the Pauling Oxygen Meter and made the case that the National Defense Research Committee (NDRC) should lift the "Restricted" classification.

    • circa 1943

    The oxygen recorder described was intended for analyzing flue gases produced from burning oil or coal.

    • 1950s

    This draft document includes extensive annotations; the stylistic and technical changes are reflected in a later version.

    Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’…

    • CS-60-1005
    • 1960-Sep

    This brochure advertises an oxygen sensor used to monitor the air in space capsules, submarines, space suits, fallout shelters, and decompression chambers.

    • Bulletin 202-C
    • 1950s

    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,…

    • No. T-8-(R)
    • 1957-May-23

    The report evaluates the portable OM-1 oxygen meter, deeming it convenient and moderately precise, but sensitive to temperature fluctuations.

    • 1945-Aug-11

    In this letter, Prentiss shares his initial impressions of a prototype aircraft oxygen meter.

    Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers ended up…

    • circa 1944

    The device depicted is likely one of the models constructed for the National Defense Research Committee.

    Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers…

    • 1945-Nov-14

    In this handwritten letter, Prentiss discusses reports on the oxygen meter contracts and the possibility of working for Phillips Petroleum, despite his lack of enthusiasm for relocating to Oklahoma.

    Developed from a…

    • 1944-Dec-27

    The letter outlines the Navy's requirements for the Pauling oxygen meter. The spelling of the recipient's name is likely a mistake, as letters written by Wood himself spell his first name "Reuben."

    Developed from a…

    • 1945-Aug-30

    Summarizing a report of the Army Medical Center's trial of the Pauling oxygen meter, Julius Kauffman noted that the device was accurate but "rather fragile."

    Developed from a Linus Pauling design during WWII, the…

    • 1945-Jan-23

    In this letter, Beckman discusses the testing and production of various models of the Pauling oxygen meter. Model F is discussed in the most detail, but Models P, G, and a damaged aircraft Model L are also mentioned.

    • 1945-Feb-28

    The letter discusses the various parties interested in testing Pauling oxygen meters and the possibility of meeting in Washington or Philadelphia.

    Developed from a Linus Pauling design during WWII, the technology…

    • 1945-Apr-07

    The letter sketches the specifications for a partial pressure indicator for use in aircraft, and notes that a prototype has already been constructed. The recipient may be a member of the Navy's Research and Development…

    • 1945-Jul-02

    Arnold Beckman expresses concern that the secrecy of the oxygen meter project could adversely affect sales in the anticipated post-war markets.

    Developed from a Linus Pauling design during WWII, the technology behind…

    • 1945-Jul-02

    In this letter, Beckman describes the specifications of the aircraft model oxygen meter (the Model L).

    Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers…

    • 1945-Jul-11

    The letter discusses testing of the Pauling hospital oxygen meter and concerns about its ruggedness--specifically, its ability to survive being dropped onto a stone floor from a height of three feet.

    Developed from a…

    • 1945-Sep-05

    Prentiss responds to Kauffman's assessment of the hospital oxygen analyzer, with emphasis upon the question of its ruggedness.

    Developed from a Linus Pauling design during WWII, the technology behind Beckman…

    • 1945-Sep-20

    Arnold Beckman notes that he has been busy after the "termination of the war" and discusses bugs in the Model E and complaints about the ruggedness of the oxygen meter.

    Developed from a Linus Pauling design during…

    • 1945-Nov-12

    Arnold Beckman discusses the status of contract reports, an instrument damaged during shipment, and asks about Spencer Prentiss's post-war plans. He expects to consult with Linus Pauling to decide which instrument to…

    • Bulletin CS-632
    • circa 1963

    The brochure describes the operation, application, and specifications of a system designed to monitor oxygen partial pressure in pilots' masks and helmets and warn them when levels dip dangerously low.