Search Results
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Beckman carbon frit reference electrode #78019V
- 1960s
- Photographer Hesketh, Dean D.
- Subject Electrodes, Carbon, Beckman Instruments, Inc.
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Beckman Thick-film SIP Line LXX
- 1950 – 1969
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Beckman Series 804 voltage regulator on a transparent surface, examined by a woman
- 1950 – 1969
Voltage regulators maintain a constant voltage level in electrical devices.
- Photographer Armstrong & Hess
- Subject Voltage regulators, Beckman Instruments, Inc.
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Beckman Series 802 voltage regulator, regarded by a woman
- 1950 – 1969
Voltage regulators maintain a constant voltage level in electrical devices.
Though the photograph is labeled as Series 804, the pictured component reads 802.
- Photographer Armstrong & Hess
- Subject Voltage regulators, Beckman Instruments, Inc.
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Beckman Series 63, Model 63L 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 Armstrong & Hess
- Subject Potentiometer, Beckman Instruments, Inc.
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Beckman SO2 Portable Analyzer Control Unit
- 1960s
Beckman Instruments, Inc. became interested in measuring, controlling, and fighting air pollution in the late 1940s and early 1950s, when company president Arnold O. Beckman became the scientific adviser to the Los…
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Beckman Research pH meter, interior view
- 1960s
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting instrument kicked off…
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Beckman Research pH meter with Micro Blood pH Assembly and Thermomatic
- 1950 – 1969
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting instrument kicked off…
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Beckman Research pH meter dial, close up
- 1950 – 1969
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting instrument kicked off…
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Beckman NDIR 315 and Console
- 1960s
The NDIR uses a nondispersive infrared sensor to detect the presence of gasses.
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Beckman NASA Motor Potentiometer
- 1958 – 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 Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Beckman Models 942, 943, and 948 Motor Potentiometers
- 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 Dietrich, T. A.
- Subject Potentiometer, 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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Beckman Model R-110 Microzone Densitometer
- 1960s
Beckman introduced the Model R-110 Microzone Densitometer in 1967. Densitometers measure density by scanning electrophoresis media.
- Photographer Armstrong & Hess
- Subject Densitometry, Scientific apparatus and instruments, Beckman Instruments, Inc.
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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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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 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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3 items
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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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2 items
Beckman Model L2-65B and Model L2-75B Centrifuges
- 1960s
Beckman Instruments began producing centrifuges after their January 1, 1955 acquisition of industry leader, Specialized Instruments Corporation, or Spinco. With Spinco came the famous Model E Ultracentrifuge, which was…
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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…