Search Results
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4 items
Unidentified Colored Powders
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Three rounded glass bottles with cork stoppers filled with unidentified colored powders in green, purple, and orange. One bottle of sulphanthrene pink F.F., a fast-vat dye manufactured by the E.I. du Pont de Nemours &…
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Unidentified group of men associated with Beckman Instruments
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A group of eleven men, standing and crouching indoors in front of various pieces of unidentified scientific equipment.
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Unidentified group of men with Beckman IR5A infrared spectrophotometer
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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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Unidentified liquid scintillation instrument panels
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Liquid scintillation counters measure the radioactivity of a sample by mixing the sample with a solvent containing a scintillator, which will emit photons in the presence of radioactive materials. The counter measures…
- Photographer Armstrong & Hess
- Subject Scientific apparatus and instruments, Liquid scintillators, Beckman Instruments, Inc.
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Unidentified man operating a Rinse Tank Control System
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This system's connection to Beckman Instruments is not clear. It may be that one of all of the components were manufactured by Beckman.
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Unidentified man using a Beckman Model G pH meter
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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 “acidimeter” with its…
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Unidentified man using a Beckman/Spinco Model 120 Amino Acid Analyzer
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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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Unidentified men planning the Beckman Coulter Heritage Exhibit
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This exhibit was ultimately installed in the Fullerton, California headquarters of Beckman Coulter in 2009. The men in this image may be employees of Activate (formerly DisplayWorks), the exhibit and marketing…
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Unidentified men with unidentified apparatus
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These men and this instrument are from the Special Products Division of Beckman Instruments.
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Unidentified person using a Spinco Physiological Gas Analyzer
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It is unclear from this photograph whether this is a Model 150 or 160.
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Unidentified social function
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From the Beckman Historical Collection, this unidentified photograph may have been taken at a company event at Beckman Instruments, Inc.
- Photographer Rothschild Photo
- Subject Dinners and dining, Beckman Instruments, Inc.
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Unidentified woman using a Beckman Amino Acid Analyzer
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A woman in lab coat and laced sneakers uses an amino acid analyzer. The photo captures an unusual angle, high above the woman's left shoulder.
Although unidentified, this is likely the Beckman/Spinco Model 120 Amino…
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Unidentified woman using a Beckman Amino Acid Analyzer
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First marketed in 1960, the Beckman/Spinco Model 120 Amino Acid Analyzer allowed users to quickly perform amino acid chromatography. This unidentified instrument is likely from the same product line as the 120.
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Unidentified woman using a Beckman Model 120B Amino Acid Analyzer
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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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Unidentified woman using a Beckman Model TC Electroencephalograph
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Electroencephalographs are used to monitor and record electrical activity of the brain.
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Unidentified woman using a Beckman amino acid analyzer
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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 part of the same product line.
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Unidentified woman using a Beckman/Spinco amino acid analyzer
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A technician stands before an amino acid analyzer. A light-colored backdrop hangs behind the instrument; the shelving and lighting fixtures of the rest of the room can be seen in the top portion of the photograph.
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Union Carbide's First Chemical Operation, Clendenin, West Virginia
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Landscape painting with architecture. A high eye-level view of a river valley from a hilltop, showing a small cluster of industrial buildings concentrated in the lower right. Post-Impressionistic style. Pencil marks…
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2 items
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Variable Capacitor
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Tall rectangular wooden base with black plastic instrument panel; instrument panel is attached to base via four metal screws, two on each side; two small black plastic knobs that adjust up and down as they are turned…
- Manufacturer Leeds and Northrup Company
- Subject Variable capacitors, Leeds and Northrup Company
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Variable Resistor
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Variable resistors are also known as potentiometers. Potentiometers are used to measure electromotive force (emf) by balancing it with a known emf. The concept was first developed in 1841 by J. C. Poggendorff and…
- Manufacturer Leeds and Northrup Company
- Subject Variable Resistor, Potentiometer, Leeds and Northrup Company