The oxygen recorder described was intended for analyzing flue gases produced from burning oil or coal.

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…

Used for gas chromatography, this hydrogen flame ionization detector was fist produced in the early 1940s.

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…

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…

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 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 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…

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…

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…

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.

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 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…

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

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…

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

In this letter, Beckman requested permission to discuss the Pauling Oxygen Meter and made the case that the National Defense Research Committee (NDRC) should lift the "Restricted" classification.

In this letter, J. H. Rushton of the National Defense Research Committee requests an update on the status of F and G model oxygen meter instruments.

Developed from a Linus Pauling design during WWII, the technology…

Arnold Beckman discusses the status of contract reports, an instrument damaged during shipment, and asks about Spencer Prentiss's post-war plans. He expects to consult with Linus Pauling to decide which instrument to…

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…

In this handwritten letter, Prentiss discusses reports on the oxygen meter contracts and the possibility of working for Phillips Petroleum, despite his lack of enthusiasm for relocating to Oklahoma.

Developed from a…

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,…

Arnold Beckman expresses concern that the secrecy of the oxygen meter project could adversely affect sales in the anticipated post-war markets.

Developed from a Linus Pauling design during WWII, the technology behind…