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Genre Business correspondence Remove constraint Genre: Business correspondence Language English Remove constraint Language: English Creator Churchill, Durand Jr. Remove constraint Creator: Churchill, Durand Jr. Creator Beckman, Arnold O. Remove constraint Creator: Beckman, Arnold O. Rights In Copyright Remove constraint Rights: In Copyright

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    • 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.