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Beckman Model J 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 instrument kicked off…
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Arnold O. Beckman and an unidentified man with Beckman Instruments products
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Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…
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Portrait of Arnold O. Beckman (1900-2004)
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Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…
- Subject Scientists--Portraits, Beckman, Arnold O.
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Portrait of Arnold O. Beckman (1900-2004)
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Dr. Arnold O. Beckman (1900-2004) is pictured here with his pH meter, which he invented in 1934 and which became the first commercially successful electric pH meter. Thus began a long career manufacturing scientific and…
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Wilbur I. Kaye
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Wilbur Kaye was hired by Beckman Instruments in 1956 as the Director of Research, Scientific Instruments Division. While there, he modified the Beckman DU Spectrophotometer design, producing the DK Spectrophotometer…
- Photographer Frey Photos
- Subject Scientists--Portraits, Chemists
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Beckman Model N 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 instrument kicked off…
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Taiwan Auto Analyzer System
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It is unclear from context and the existing description of this image if this is an automobile exhaust analyzer system or an automatic data handling and analysis system.
- Photographer Karjalas' Photo Vision
- Subject Scientific apparatus and instruments, Taiwan, Computers--History, Beckman Instruments, Inc.
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Beckman IR-1 Spectrophotometer without case
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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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Characteristics and use of absorption cells and holder for DU Spectrophotometer
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The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company was still called National Technical Laboratories. Spurred by employee Howard Cary (who had previously been involved in pH meter…
- Creator Of Work Beckman Instruments, Inc.
- Subject Photoelectric cells, Scientific apparatus and instruments, Spectrophotometer, Beckman Instruments, Inc.
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Beckman DU Spectrophotometer phototube selection guidelines
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The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company was still called National Technical Laboratories. Spurred by employee Howard Cary (who had previously been involved in pH meter…
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Evaluation of the Beckman Model G-2 pH meter
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Undated notes by an unknown author, although his person was very likely a Beckman Instruments employee.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus…
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Operation method for Beckman "DU" Spectrophotometer
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The watermark on the paper indicates that these directions may have been written by the Columbus Water and Chemical Testing Laboratory.
The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the…
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Beckman OM-14 Oxygen Analyzer
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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,…
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Beckman Model 958 NOx efficienty tester
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This instrument measures the nitrogen oxides (NOx) produced during the combustion of gasoline. Once in the atmosphere, they can contribute to the formation of smog and air pollution.
Beckman Instruments, Inc. became…
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Beckman Ultramicro Analytical System
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The system this unidentified woman is using includes a Model 152 Mircrofuge.
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Spectrophotometric data
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Table of spectrophotometer and pH readings of various substances, including strychnine, caffeine, amphetamine, benadryl, and ascorbic acid. As this document is undated and vaguely titled, it is unclear which instrument…
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Wherever there's water, there's pH...
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Advertisement about using various models of Beckman pH meters for monitoring water quality in industrial settings.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California…
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Hand-drawn diagram for batteries used with a Beckman Model G pH Meter
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Instructions and a visual diagram for hooking up 3 #5540 batteries to power a Beckman Model G pH Meter. These three smaller batteries could replace a single, large 22.5 volt battery. This diagram was written on Bob…
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Helipot Division: Production
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The production room at the Helipot Division of Beckman Instruments, Inc., where mostly women employees assemble potentiometers, dials, and other small devices.
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Portrait of Arnold O. Beckman (1900-2004)
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Dr. Arnold O. Beckman (1900-2004), pictured here with a DU Spectrophotometer, invented the first commercially successful electric pH meter in 1934. Thus began a long career manufacturing scientific and medical…
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Beckman IR-1 Spectrophotometer without case
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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…