The report discusses work performed between September 20 and October 31, 1943, under contract number OEMsr-674. Beckman reported beginning construction of the first model of an instrument to record concentrations of…

The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…

Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting “acidimeter” with its…

The device depicted is likely one of the models constructed for the National Defense Research Committee.

Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers…

The letter expresses Bush's "personal and official appreciation and commendation" for contracted work performed in furtherance of the war effort.

A letter from Arnold O. Beckman to Fred T. Williams, a patent advisor at the National Defense Research Committee. In this letter, Beckman reports on the delay in filing a patent for his carbon monoxide detecting…

The informal report drafted by a University of Chicago team, regarding contract OEMsr-79, documented efforts to record chemical warfare agents using sensitized paper tape. The report includes one such strip…

Letter regarding specifications for Pauling Oxygen Meter for use in British military aircraft.

Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers ended up…

The included reports are "The Pauling Oxygen Meter" by Reuben E. Wood and David P. Shoemaker, 1944; "Final Report Contract Nonr 388(00): Research Covering Develpment of an Onoxia Warning Device for Use in High-altitude…

Letter regarding an inquiry from the United States War Department about the sensitivity of Pauling Oxygen Meter.

Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen…

The letter regards the development of Models K and L oxygen meters, recommendations for which are ready for further testing by the National Defense Research Committee, and a note that some are unsuitable due to…

Arnold Beckman signed this Espionage Act during the course of work with MIT's Radiation Lab, presumably in connection with work on mustard gas detection.

Arnold Beckman signed this agreement during the course of work with MIT's Radiation Lab, presumably in connection with work on mustard gas detection.

This instruction manual for several Beckman Instruments products was created by the Hanford Site Instrument Department, specifically for use with Beckman instruments used in their facility. Instruments covered in this…

The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…

Letter in which Arnold Beckman's request to have the Pauling Oxygen Meter project declassified is denied.

Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers…

The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…

The letter outlines the Navy's requirements for the Pauling oxygen meter. The spelling of the recipient's name is likely a mistake, as letters written by Wood himself spell his first name "Reuben."

Developed from a…

These instructions for phototube replacement describe some of the inner workings of the first model D/DU spectrophotometer made by National Technical Laboratories in 1945. The phototube being replaced in these…

Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…

Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…

The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…

The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…

Letter regarding various requirements for the Pauling Oxygen Meter, including the possibility of making a combination moisture detector and oxygen meter. At the time, both Reuben Wood and Dr. Spencer S. Prentiss were…

In this letter, Beckman discusses the testing and production of various models of the Pauling oxygen meter. Model F is discussed in the most detail, but Models P, G, and a damaged aircraft Model L are also mentioned.
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