Search Results
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First Day Cover commemorating airmail and Israeli exports
- 1968
Stamp depicts Boeing 707, chemical apparatus, and heavy oxygen isotopes.
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Every fashion needs a stocking all its own!
- 1960s
Color print magazine advertisement for DuPont dyed nylon stockings. Image depicts the legs of four women in colorful stockings.
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Beckman DB-GT Grating Spectrophotometer
- 1960s
Produced in the 1960s, the DB-G was a single-beam grating (as opposed to a prism) ultraviolet spectrophotometer.
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Beckman Expandomatic SS-2 pH Meter
- Circa 1968
The Expandomatic SS-2 was designed for the detection of very small changes in pH and use in potentiometric and polarization titrations.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist…
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Beckman Model C2 Oxygen Analyzer with Headspace Sampler
- 1960 – 1979
A Beckman oxygen analyzer and Precision Scientific Company sampler help to ensure food safety by measuring the oxygen content of the headspace inside food packaging. Oxygen readings that are too high could indicate an…
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Beckman Microzone Model R-110 Densitometer, Duostat power supply, and electrophoresis cell
- 1960s
Beckman introduced a Microzone Electrophoresis System in 1964 and the Model R-110 Microzone Densitometer in 1967.
Densitometers measure density by scanning electrophoresis media.
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Helipot Potentiometers and Dials
- 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…
- Subject Potentiometer, Beckman Instruments, Inc.
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Beckman DIP Resistor Networks
- 1950 – 1969
Resistor networks combine several resistors into a single component. Dual in-line package (DIP) networks are rectangular in shape, with two parallel rows of pins for through-hole mounting to a circuit board.
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Beckman Microzone Densitometer with other instruments
- 1960s
Beckman introduced a Microzone Electrophoresis System in 1964 and the Model R-110 Microzone Densitometer in 1967.
Densitometers measure density by scanning electrophoresis media. The other instruments in this image…
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Beckman Model 915-B Tocamaster Total Organic Carbon Computational System
- Circa 1968
The Model 915 converted samples to carbon dioxide and used a non-dispersive infrared analyzer to determine the total carbon and inorganic carbon. Organic carbon was determined as the difference between those values.
- Photographer Karjalas' Photo Vision
- Subject Scientific apparatus and instruments, Carbon--Analysis, Beckman Instruments, Inc.
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Beckman DSA-560 Discrete Sample Analyzer
- Circa 1968
The DSA-560 Discrete Sample Analyzer, introduced in 1968, was Beckman's first clinical chemistry analyzer. It was capable of processing 100 samples per hour and used in the analysis of blood serum, urine, and drinking…
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Industrial Instruments Type DR51D Decade Resistance
- 1950 – 1969
In 1965, Beckman Instruments acquired Industrial Instruments, Inc. The Cedar Grove, New Jersey-based company manufactured solution conductivity analyzers and other industrial instruments.
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Beckman Model AB-3X1 Auto Bridge
- 1950 – 1969
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Beckman Component Taping Device
- 1950 – 1969
- Photographer Commercial Photographic Company
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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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.
