Search Results
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Beckman Model AB-3-5 Auto Bridge
- 1950 – 1969
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Beckman Model PS-1-GP Schering Bridge
- 1950 – 1969
A Schering Bridge is an AC bridge circuit used for measuring the insulating properties of electrical cables and other equipment.
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Beckman Model AB-3 Auto Bridge
- 1950 – 1969
- Photographer Commercial Photographic Company
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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2 items
Beckman AB-8-1 Nine Bin Sorter
- 1950 – 1969
- Photographer Commercial Photographic Company
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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Beckman Model AB-3X2 Auto Bridge
- 1950 – 1969
- Photographer Commercial Photographic Company
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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Beckman Model TBA-Y3(TE) ThermaBridge Gas Analyzer
- 1950 – 1969
- Creator Of Work Commercial Photographic Company
- Subject Gases--Analysis, Scientific apparatus and instruments, Beckman Instruments, Inc.
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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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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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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.…
