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…
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…
Letter summarizes the final report produced by testing the Pauling Oxygen Meter at the Army Medical Center. The final recommendation of the report is that this oxygen meter should not be standardized for use by the U.S.…
In this letter, Dr. Prentiss inquires about the possibility of combining a moisture detector and an oxygen meter, presumably for use in submarines. At the time, Dr. Spencer S. Prentiss was working for the National…
Request from the National Defense Research Committee for a Model L Pauling Oxygen Meter to test at high altitudes in airplanes.
Developed from a Linus Pauling design during WWII, the technology behind Beckman…
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…
Letter inquiring about the price and delivery of model P and A Pauling Oxygen Meters for use by the National Defense Research Committee. This letter was originally sent to Dr. Beckman with another letter from Spencer…
In this letter, Beckman describes the specifications of the aircraft model oxygen meter (the Model L).
Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers…
The memo discusses the conversion of pH meter oxygen electrodes for use in portable oxygen meters.
In this memo, Jan Haagen-Smit includes a labeled photograph of the testing set-up for the Beckman oxygen electrode, which includes Beckman Oxygen Analyzers. The memo (but not the photograph) in this digitized image is a…