Search Results
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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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Lawrence Joseph Henderson (1878-1942)
- Circa 1940
Photograph of Lawrence Joseph Henderson (1878-1942). Henderson was a professor of biological chemistry at Harvard University and founder of the Laboratory of Physical Chemistry at Harvard Medical School, as well as the…
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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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Letter from E. C. Kendall to Frank Stodola
- 1940-Dec-20
Concerns the biologic test of a 25 mg sample of material sent to Kendall from Stodola.
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Letter from Harold Urey to Frank Stodola
- 1940-Aug-19
Concerning appointment of Stodola as an Instructor at Columbia University.
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Letter from Niels Bohr to Jean Gerard
- 1941-Oct-06
Letter sent to the Secretary General of IUPAC in Paris during the Nazi occupation of World War II.
- Addressee Gerard, Jean
- Author Bohr, Niels, 1885-1962
- Contributor International Union of Pure and Applied Chemistry
- Subject Hahn, Otto, 1879-1968, Hevesy, Georg von, 1885-1966, Aston, Francis William, 1877-1945, Bohr, Niels, 1885-1962, International Union of Pure and Applied Chemistry, Nobel Prize winners
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Letter from Frédéric Joliot-Curie to Jean Gerard
- 1940-Apr-10
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Unequalled for Precise Research and Analytical Work
- 1940s
This advertisement for the Model G pH meter highlights the different electrodes that could be used with it. The Model G was Beckman Instruments's first commercial pH meter.
Arnold Beckman invented his first pH meter in…
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Labeled image of Beckman Photoelectric Spectrophotometer
- Bulletin 79A
- Circa 1941
The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company was still called National Technical Laboratories. Spurred by employee Howard Cary (who had previously been involved in pH meter…
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Portrait of Lammot du Pont II (1880-1952)
- 1941-Sep
Portrait of Lammot du Pont II (1880-1952), former President of the E.I. du Pont de Nemours & Company (1926-1940) and Chairman of the Board of Directors.
- Photographer Harris & Ewing
- Subject Portrait photography, Portraits, E.I. du Pont de Nemours & Company, Industrialists, Du Pont, Lammot, 1880-1952
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Portrait of Leo Hendrik Baekeland (1863-1944)
- After 1920 – 1944
Portrait of Leo Hendrik Baekeland (1863-1944), inventor of Bakelite, the first fully synthetic plastic.
- Manufacturer Underwood & Underwood
- Subject Portrait photography, Inventors, Bakelite, Baekeland, L. H. (Leo Hendrik), 1863-1944, Plastics
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2 items
Pauling Oxygen Analyzer
- 1940s
Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers ended up doing such diverse jobs as monitoring astronauts’ respiration, maintaining packaged food safety,…
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Interior of Beckman IR-1 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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Demonstration of a Beckman Model B Spectrophotometer
- 1940s
An unidentified man with a tattoo on his forearm has removed the case of a Model B DU Spectrophotometer in order to demonstrate its functions to three other (also unidentified) men.
The first Beckman Instruments DU…
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Dumbell part of Pauling Oxygen Meter
- 1940s
This glass dumbbell was key to the functioning of the Pauling Oxygen Meter, although production was tricky and originally required a human glass blower to shape the hollow ends of the tiny dumbbell with puffs of breath.…
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Professor Wohler
- After 1840 – before 1940
A half-length portrait of Friedrich Wöhler (1800–1882), a German chemist.
- Artist Cook, Conrad
- After L'Allemand, Conrad, 1809-1880
- Subject Wöhler, Friedrich, 1800-1882
