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Box 53

 Container

Contains 13 Results:

Patent #2,756,203 - Glass Electrodes (Continuation of Gilbert, Serial No. 112,106), 1953-1957

 File — Box: 53, Folder: 15-17
Dates: 1953-1957
Found in: Science History Institute Archives / Beckman Historical Collection / Series IX. Patent Files

Patent #2,807,159 - Gas Analysis Cell (Arnold O. Beckman, Incorporated), 1953-1958

 File — Box: 53, Folder: 18
Dates: 1953-1958
Found in: Science History Institute Archives / Beckman Historical Collection / Series IX. Patent Files

Patent #2,807,755 - Purge Unit (Arnold O. Beckman, Incorporated), 1952-1957

 File — Box: 53, Folder: 19
Dates: 1952-1957
Found in: Science History Institute Archives / Beckman Historical Collection / Series IX. Patent Files

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