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Creator Beckman, Arnold O. Remove constraint Creator: Beckman, Arnold O. 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

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    • 1946-Oct

    In a series of one page messages to the employees of National Technical Laboratories, Arnold Beckman laid out a case against unionization.

    • 1945-Feb-16

    The letter regards the procurement of Pauling meters for use on submarines and issues of cost and portability.

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

    • 1945-Feb-03

    In this letter, J. H. Rushton of the National Defense Research Committee requests an update on the status of F and G model oxygen meter instruments.

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

    • 1945-Feb-14

    Arnold Beckman informs J. H. Rushton that the Model G oxygen meter is ready for testing, but the Model F is not. An order has been received from the Linde Company, but not fulfilled, and an experimental instrument was…

    • 1945-Feb-16

    This letter regards the use of oxygen meters on submarines and in hospitals, issues of cost and portability, and the Naval Research Laboratory's interest in detecting other gases.

    Developed from a Linus Pauling design…

    • 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-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-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…

    • 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…

    • 1943-Nov

    The report discusses work performed between September 20 and October 31, 1943, under contract number OEMsr-674. Beckman reported beginning construction of the first model of an instrument to record concentrations of…

    • 1937-Aug-17

    The letter discusses Beckman's scheduled meetings, marketing strategies for the pH meter, and interest in postal meters.

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

    • 1937-Aug-21

    The letter was written during a multi-city trip, most likely in Pittsburgh or New York. Beckman discusses the cases of the instruments, and his desire to replace metal cases with wood; pricing of the instruments; and…

    • 1937-Aug-25

    This letter, written while Arnold Beckman was on a multi-city trip promoting his pH meter, concerns strategies for marketing the instruments and concern about the friction between a salesman and distributor.

    Arnold…

    • 1937-Dec-07

    Arnold Beckman offers a scathing critique of Herring's performance as a salesman of pH meters.

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

    • 1937-Aug-26

    In this letter, Evans discusses a new electrode design for use in Beckman pH meters.

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

    • 1936-Jul-02

    Lee de Forest discusses testing Beckman's film-coating process with antimony. A sample of antimony paper is included.

    • 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…

    • 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…

    • 1936-Nov-10

    Lee de Forest states that he returned from a trip to Chicago to find his company in financial disarray. He regrets that Beckman's contracted work was continued, despite an inability to pay for it, and assures him that…

    • 1935-May-31

    Lyons gives Beckman advice about personnel decisions and discusses early sales of the "acidimeter."

    Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began…

    • 1935-Jun-03

    Though unsigned, context indicates that this letter was written by Beckman.

    Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career…

    • 1935-Jun-23

    This letter includes discussion of personnel issues and policies. Lyons expresses approval for the "Beckman Acidimeter" name.

    Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH…

    • 1935-Aug-29

    Regarding Beckman's business travels to meet with a potential acidimeter distributor, A. S. Aloe Co., and Drs. Ball and Rodewald at the Washington University in St. Louis.

    Dr. Arnold O. Beckman (1900-2004) invented the…

    • 1935-Aug-29

    Regarding Beckman's business travels to meet with two potential acidimeter distributors, Central Scientific Co. and Sargent Co.

    Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH…

    • 1935-Sep-30

    The letter discusses shipment of wheat germ, expenses; demonstrations of the acidimeter at the Pennsylvania General Hospital, University of Pennsylvania, the Department of Agriculture, and the Bureau of Standards;…