Search Results
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Molecular Model Set for General Chemistry
- 1980s
Models kits, such as this one, are often found in laboratories and classrooms and are used to visualize the structure of chemical substances.
- Manufacturer Allyn and Bacon
- Subject Molecules--Models
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25 Years of Vehicle Emission Analysis Innovations
- 1980
Beckman Instruments 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 Angeles…
- Creator Of Work Beckman Instruments, Inc.
- Subject Automobiles--Pollution control devices, Air--Pollution, Beckman Instruments, Inc.
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Beckman Model 942 pH Monitor
- Circa 1980
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 Zeromatic IV pH Meter
- Circa 1980
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 Expand-Mate pH Meter
- Circa 1980
The name of this pH meter model refers to its expanded measurement scale.
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…
- Creator Of Work Beckman Instruments, Inc.
- Photographer Armstrong & Hess
- Subject Hydrogen-ion concentration--Measurement--Instruments, Scientific apparatus and instruments, Beckman Instruments, Inc.
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Beckman Airfuge centrifuge
- 1975 – 1984
This particular model of centrifuge was air-driven.
Beckman Instruments began producing centrifuges after their January 1, 1955 acquisition of industry leader, Specialized Instruments Corporation, or Spinco. With…
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Man using the SpinPro Ultracentrifugation Expert System
- 1980s
Designed to run on the IBM Personal Computer XT, the software of the Expert System (according to an article in the April 1986 issue of American Chemical Society) uses "Artificial Intelligence (AI) techniques to design…
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Paramagnetic Oxygen Meter notes
- 1980
These handwritten notes (by an unidentified author) detail the process by which Linus Pauling came to National Technical Laboratories to produce his oxygen meter design and how this lead to the formation of Arnold O.…
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William Ballhaus and Arnold O. Beckman
- 1980
William F. Ballhaus Sr. replaced Arnold O. Beckman as the president of Beckman Instruments, Inc. in 1965. Ballhaus shifted the company's focus from defense and scientific instruments to medical instruments.
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Woman using a Beckman Microlab 252MX Computing Infrared Spectrophotometer
- Circa 1980
This computing spectrophotometer was controlled by a microprocessor and included a video graphics display.
The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold…
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James C. Sternberg
- 1980s
Dr. James C. Sternberg (1927-2001) was the Vice President of Advanced Research at Beckman Instruments and responsible for the development of the Glucose Analyzer in the 1970. In 1968 he published a landmark paper on a…
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Beckman pH meter in a glass case
- 1980s
A Polaroid photograph of what seems to be a Model G pH meter in a clear glass case as part of an exhibit or display.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California…
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Just Captured: The World of Ultracentrifugation With the SpinPro Expert System
- 1980s
The SpinPro Expert system software designed ultracentrifuge procedures based on users' answers to a series of questions, intentionally mirroring the telephone conversations that users used to have with Beckman…