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Creator Churchill, Durand Jr. Remove constraint Creator: Churchill, Durand Jr. Place Washington (D.C.) Remove constraint Place: Washington (D.C.) Subject World War (1939-1945) Remove constraint Subject: World War (1939-1945) Date 1945 Remove constraint Date: <span class='single'>1945</span>

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    • 1945-Feb-08

    Letter regarding the extension of the military contract for Beckman Instruments' Pauling Oxygen Meter development. This letter also mentions the possibility of using the instrument inside oxygen tents.

    Developed from a…