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Creator Churchill, Durand Jr. Remove constraint Creator: Churchill, Durand Jr. Creator Beckman, Arnold O. Remove constraint Creator: Beckman, Arnold O. Rights Public Domain Mark 1.0 Remove constraint Rights: Public Domain Mark 1.0 Subject World War (1939-1945) Remove constraint Subject: World War (1939-1945) Subject Oxygen--Measurement Remove constraint Subject: Oxygen--Measurement Subject Beckman Instruments, inc. Remove constraint Subject: Beckman Instruments, inc. 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…