Search Results
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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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Industrial Instruments Model RD-B103 Solu Bridge
- Circa 1965
A Solu bridge determines the dissolved solids in water by measuring its conductivity.
Though a manufacturer's name is not apparent, this unit was probably part of the Industrial Instruments product line; U.S. patent…
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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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A female technician applies a sample to a Beckman Amino Acid Analyzer
- 1960s
First marketed in 1960, the Beckman/Spinco Model 120 Amino Acid Analyzer allowed users to quickly perform amino acid chromatography. This unidentified model is likely a contemporary of the 120.
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Beckman Low-Shear Viscometer
- 1960 – 1979
Viscometers measure viscosity, the resistance of fluids to flow or stress (this could also be thought of as a liquid's thickness).
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Beckman Model 120C Amino Acid Analyzer
- 1960s
First marketed in 1960, the Beckman/Spinco Model 120 Amino Acid Analyzer used the Spackman-Stein-Moore technique of amino acid chromatography. The 120C was marketed as a "classic" instrument, referred to often in…
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Beckman Model 116 Amino Acid Analyzer
- 1960s
First marketed in 1960, the Beckman/Spinco Model 120 Amino Acid Analyzer allowed users to quickly perform amino acid chromatography. The Model 116 was a more modular instrument, marketed to customers with lighter…
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2 items
Beckman Viscometer
- 1960 – 1979
Viscometers measure viscosity, the resistance of fluids to flow or stress (this could also be thought of as a liquid's thickness).
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2 items
Beckman Model 120C Amino Acid Analyzer
- 1960s
First marketed in 1960, the Beckman/Spinco Model 120 Amino Acid Analyzer used the Spackman-Stein-Moore technique of amino acid chromatography. The 120C was marketed as a "classic" instrument, referred to often in…
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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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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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Beckman Model IR-315 Infrared Analyzer and Amplifier
- 1960s
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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Spinco Model 120B Amino Acid Analyzer
- 1960s
First marketed in 1960, the Beckman/Spinco Model 120 Amino Acid Analyzer used the Spackman-Stein-Moore technique of amino acid chromatography.
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Spinco Model 120C Amino Acid Analyzer
- 1960s
First marketed in 1960, the Beckman/Spinco Model 120 Amino Acid Analyzer used the Spackman-Stein-Moore technique of amino acid chromatography.
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Spinco Model 116 Amino Acid Analyzer
- 1960s
First marketed in 1960, the Beckman/Spinco Model 120 Amino Acid Analyzer allowed users to quickly perform amino acid chromatography. The Model 116 was a more modular instrument, marketed to customers with lighter…
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Spinco Model 119 Amino Acid Analyzer
- 1960s
First marketed in 1960, the Beckman/Spinco Model 120 Amino Acid Analyzer allowed users to quickly perform amino acid chromatography. This is a related, contemporary model.
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Two women using a Model F Coulter Counter
- 1960s
Based on the Coulter principle, the Coulter Counter quantifies and sizes particles suspended in a fluid, like blood cells, bacteria, and a wide variety of other substances. The instrument works by drawing liquid…