Search Results
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Woman using a Beckman Model AB-4-5 Sorting Bridge
- Undated
The woman in this photograph is unidentified.
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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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Woman using a Beckman Model AB-6-2 Auto Bridge
- Undated
The woman in this photograph is unidentified.
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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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2 items
Beckman Model SL-3 Spiraling Lathe
- Undated
Images show the lathe both with and without the tray feed.
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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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Potentiometer at Fixed Nitrogen Research Laboratory
- Circa 1926
General view of a Brown Potentiometer and other assorted apparatus and machinery used at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. Potentiometers are used to…