Search Results
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2 items
Beckman Model PA-50 H.V. AC Breakdown Tester
- 1950 – 1969
Shown with the case open and closed.
- Photographer Commercial Photographic Company
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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Beckman Model GS-1 Gas Separator
- 1950 – 1969
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2 items
Beckman Model AB-7-1 26 Station Sorter
- 1950 – 1969
- Photographer Commercial Photographic Company
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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Beckman Model AB-6-2 Auto Bridge
- 1950 – 1969
- Photographer Commercial Photographic Company
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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2 items
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2 items
Beckman Model AB-3X-4 Auto Bridge
- 1950 – 1965
Industrial Instruments was a manufacturer of solution conductivity analyzers and other industrial instruments. Beckman Instruments acquired the Cedar Grove, New Jersey-based company in 1965.
- Photographer Commercial Photographic Company
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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Beckman Model LART Lightning Arrester Test Set
- 1950 – 1969
This system tests electric surge arresters, which protect transformers from power surges, like those caused by a lightning strike.
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Beckman Model AB-4 Auto Bridge
- 1950 – 1969
- Photographer Commercial Photographic Company
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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Beckman Model NV-1, Type DP-3 Decade Potentiometer
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Commercial Photographic Company
- Subject Potentiometer, Beckman Instruments, Inc.
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Portrait of Vannevar Bush
- 1955
Lithograph portrait of Vannevar Bush, by the artist Eugene A. Montgomery. Bush is shown in a 3/4 view holding a graduated cylinder and beaker, with a pipe clenched in one corner of his mouth. This portrait was created…
- Artist Montgomery, Eugene A., 1905-2001
- Publisher The Atlantic Monthly
- Subject Chemistry, Chemists, Bush, Vannevar, 1890-1974
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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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Letter from Donald B. Johnstone to Chester G. Fisher
- 1955-Jan-19
Letter from Donald B. Johnstone (1919-2018) to Chester G. Fisher (1881-1965) regarding enclosed stamps commemorating Louis Pasteur (1822-1895). Donald B. Johnstone was the Associate Professor of Microbiology at the…
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Beckman Model 762 Oxygen Analyzer
- 1954 – 1969
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,…
- Photographer Hesketh, Dean D.
- Subject Scientific apparatus and instruments, Oxygen--Measurement, Oxygen--Analysis, Beckman Instruments, Inc.
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Helipot Division – Miscellaneous products
- 1950s
The Helipot Corporation was founded during World War II by Arnold O. Beckman of Beckman Instruments (at that time still National Technical Laboratories) to keep up with the demand for Beckman's reliable dial, also…
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Portrait of John Van Nostrand Dorr (1872-1962)
- 1950s
Portrait of John Van Nostrand Dorr (1872-1962). In partnership with John Lundberg and A.D. Wilson, Van Nostrand Dorr owned the Lundberg, Dorr, & Wilson gold & silver mining operation in Terry, South Dakota. In 1916, he…
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Portrait of Henry Bohn Haas (1902-1987)
- 1950s – circa
Portrait of Henry Bohn Haas (1902-1987), a specialist in organic chemistry who is credited with the discovery of gas chromatography. Haas was born in Huntington, Ohio and received his doctorate from Ohio State in 1925.…
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Letter from Linus Pauling to Harrison Shull, 1955
- 1955-Aug-03
Concerns various citations in regards to a letter in the Journal of Chemical Physics, titled, "Role of the Continuum in Super-Position of Configuration."
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Letter from Robert S. Mulliken to Harrison Shull, 1955
- 1955-Jun-24
Letter between Robert S. Mulliken and Harrison Shull, American quantum chemists, concerning instructions for a colleague to obtain a travel visa.
- Addressee Shull, Harrison
- Author Mulliken, Robert Sanderson
- Subject Shull, Harrison, Mulliken, Robert Sanderson, Chemists, Nobel Prize winners, Physicists, England--Birmingham
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Letter from Harrison Shull to Robert S. Mulliken, 1955
- 1955-May-18
Letter between Harrison Shull and Robert S. Mulliken, American quantum chemists, concerning proposed visit of Shull to Cambridge, as well as the results of some of Shull's recent work.
- Addressee Mulliken, Robert Sanderson
- Author Shull, Harrison
- Subject University of Cambridge, Shull, Harrison, New York (State)--Shelter Island, Mulliken, Robert Sanderson, Chemists, Quantum chemistry, Coulson, C. A. (Charles Alfred), 1910-1974, Nobel Prize winners, Physicists, Valence (Theoretical chemistry), Molecular orbitals
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Letter from Robert S. Mulliken to Harrison Shull, 1955
- 1955-May-13
Letter between Robert S. Mulliken and Harrison Shull, American quantum chemists, concerning a reprint on wave functions sent by Mulliken to Shull.
