Search Results
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Portrait of James A. Rafferty (1886-1951)
- 1940s – circa
Portrait of James A. Rafferty (1886-1951). Rafferty was born in Chicago, Illinois on May 4th, 1886 and studied engineering and chemistry at the Lewis Institute of Technology. Following his graduation from Lewis in 1908,…
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2 items
Letter from S. S. Prentiss to Arnold O. Beckman
- 1945-Feb-16
The letter regards the procurement of Pauling meters for use on submarines and issues of cost and portability.
Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen…
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Unidentified U.S.D.A. building
- 1940s – circa
Exterior view of an unidentified United States Department of Agriculture building. The building is believed to be part of the U.S.D.A.'s Agricultural Engineering Laboratory facility located in Beltsville, Maryland.
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Postcard and French postage stamp commemorating Louis Pasteur
- After 1885 – before 1953
Postcard image is a reproduction of Finnish painter Albert Edelfelt's famed portrait "Pasteur Dans Son Laboratoire" [Pasteur In His Laboratory]. The portrait depicts Pasteur in his laboratory at the rue d'Ulm,…
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Chemistry
- 1945
Color print magazine advertisement for Woodall Industries, Inc. featuring an image of a glass test tube held over a Bunsen burner with a metal test tube holder.
- Subject Woodall Industries, Inc., Test tubes
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Double flask for demonstrating anaerobic fermentation
- 1939 – 1967 (Date span attributed to photograph)
Photograph of a double flask used by French biologist, microbiologist, and chemist Louis Pasteur (1822-1895) to demonstrate anaerobic fermentation, as displayed at the Pasteur Institute in Paris. Per notations…
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23 items
National Technical Laboratories company picnics
- 1940s
- 1946
- 1949
The bordered photograph featuring Coca-Cola bottles and ice buckets is dated 1949. The bordered photographs of children are dated 1946. The exact date of the photographs without white borders is unknown.
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National Technical Laboratories: Mission Street building, South Pasadena
- 1940s
This building at 820 Mission Street was the first built exclusively for National Technical Laboratories in 1940.
- Subject Buildings, Beckman Instruments, Inc.
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Beckman IR-12 Spectrophotometer
- 1940s
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…
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Portrait of Arnold O. Beckman (1900-2004)
- 1945
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,…
- Photographer Curtis Studios
- Subject Scientists--Portraits, Beckman, Arnold O.
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Letter from S. S. Prentiss to Arnold O. Beckman
- 1945-Feb-20
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…
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Letter from Julius Kauffman to S. S. Prentiss
- 1945-Sep-26
This letter to Dr. Spencer S. Prentiss of the National Defense Research Committee describes the results of the clinical trial of the Pauling Oxygen Meter by the United States Army. The Army decided not to standardize…
- Addressee Prentiss, Spencer S.
- Author Kauffman, Julius
- Subject Scientific apparatus and instruments, Oxygen--Measurement, United States. Army. Medical Corps, United States. Office of Scientific Research and Development. National Defense Research Committee, Beckman Instruments, Inc., World War (1939-1945)
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Letter from S. S. Prentiss to Arnold O. Beckman
- 1945-May-29
Letter regarding the possible development of an aviation model of the Pauling Oxygen Meter for the Bureau of Aeronautics.
Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’…
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Letter from Julius Kauffman to S. S. Prentiss
- 1945-Aug-30
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.…
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Letter from S. S. Prentiss to Arnold O. Beckman
- 1945-Feb-06
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…
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Letter from S. S. Prentiss to Arnold O. Beckman
- 1945-Feb-06
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…
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Letter from Reuben E. Wood to Spencer Prentiss
- 1945-Jan-22
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…
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Letter from Durand Churchill, Jr. to Arnold O. Beckman
- 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…
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Instructions for replacing Nernst Glower in Beckman IR-1 Spectrophotometer
- 1945-Dec-01
A Nearnst glower is a now-obsolete device that uses a cylindrical rod of heated oxides to deliver infrared radiation in instruments used for spectroscopy.
The Beckman Instruments IR spectrophotometers began as a…
- Creator Of Work Beckman Instruments, Inc.
- Subject Scientific apparatus and instruments, Spectrophotometer, Infrared spectroscopy, Beckman Instruments, Inc.
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Diagram of Beckman IR-85 spectrophotometer continuous wavelength drive
- 1945-Feb-08
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…
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The Beckman Model DR Recording Spectrophotometer
- 1945-Dec-05
The DR Spectrophotometer was a basic model DU (an ultraviolet, single beam, quartz-crystal spectrophotometer) with an added recorder. This one-sheet description of the instrument was used in several Beckman Instruments…
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Beckman IR-85 Spectrophotometer wiring diagram
- 1945-Feb-10
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…
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Beckman IR-85 motor wavelength drive
- Circa 1945
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…
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Beckman IR-85 motor wavelength drive
- Circa 1945
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…
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Beckman Model R pH meter
- 1942 – 1959
The Model R Industrial pH Meter was first produced in 1942, although this photograph was likely taken much later.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California…
