Search Results
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English postage stamp commemorating Walter Norman Haworth's 1937 Nobel Prize in Chemistry and the 100th anniversary of the Royal Institute of Chemistry
- 1977
While celebrating its centenary in 1977, the Royal Institute of Chemistry of Great Britain shared honors with English Nobel prize winners in chemistry and physics. This stamp commemorates W. N. Haworth's receipt of the…
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Postage stamp commemorating Ghana's conversion to the metric system in 1975
- 1975
Stamp depicts scales weighing jars of jam, with text, "2 1/4 lbs of Jam is a little more than a kilogram."
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Dennis McDonald with Robert Steinmeyer after return from kidnapping in El Salvador
- 1979
Beckman Instruments had a subsidiary company and manufacturing plant called Aplar in El Salvador. In 1979 the country was on the brink of a civil war that would ultimately span three decades. On September 21, 1979, the…
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Fausto Bucheli and Dennis McDonald return from kidnapping in El Salvador
- 1979
Beckman Instruments had a subsidiary company and manufacturing plant called Aplar in El Salvador. In 1979 the country was on the brink of a civil war that would ultimately span three decades. On September 21, 1979, the…
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Population: 4,019,000,000
- 1977
Recruitment advertisement for Beckman Instruments, which capitalizes on how the company's products make the world a better place for human beings to live. The advertisement features a view of Earth as seen from outer…
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Beckman is looking for a few good men.
- 1975
This recruitment advertisement for Beckman Instruments builds on the success of its line of automobile instruments, designed to analyze the functions of an engine and to minimize air pollution.
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Organichem Model Set
- 1970s
Small, multicolored plastic connectors and straws in small plastic bag.
Models kits, such as this one, are often found in laboratories and classrooms and are used to visualize the structure of chemical substances.
- Manufacturer Freeman, Cooper & Co.
- Subject Molecules--Models
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Letter from Linus Pauling to Theodor Benfey
- 1976-Aug-27
Concerning possibility of publishing an early Pauling manuscript in a high school textbook or in an issue of "Chemistry."
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Letter from Lord Todd to Paul Bartlett
- 1979-Oct-31
Concerns Todd's receipt of the Lomonosov medal from the USSR Academy of Science as well as possible lecture topics for his upcoming trip to the United States.
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Letter from Derek Barton to Paul Bartlett
- 1978-Nov-06
Concerns recent conversation between Barton and Bartleet about a chemical experiment.
- Addressee Bartlett, Paul D.
- Author Barton, Derek H. R., 1918-1998
- Subject Barton, Derek H. R., 1918-1998, Bartlett, Paul D., Nobel Prize winners
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Helipot Division: Workshop
- 1970s
Women employees and technicians assemble Helipot products at benches. The Helipot Division of Beckman Instruments mostly produced potentiometers and other electrical components.
Potentiometers regulate the flow of…
- Creator Of Work Beckman Instruments, Inc.
- Subject Electronic industries, Workshops, Potentiometer, Beckman Instruments, Inc., Women employees
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Helipot Division: Workshop
- 1970s
Women employees and technicians assemble Helipot products at benches. The Helipot Division of Beckman Instruments mostly produced potentiometers and other electrical components.
Potentiometers regulate the flow of…
- Creator Of Work Beckman Instruments, Inc.
- Subject Electronic industries, Workshops, Potentiometer, Beckman Instruments, Inc., Women employees
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Beckman Model C2 Oxygen Analyzer
- 1970s
This oxygen analyzer is being used to ensure food safety by measuring the oxygen content of the headspace inside food packaging. Oxygen readings that are too high could indicate an environment that encourages the growth…
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Crompton & Knowles Computer Fashion Shades
- 1970s
Employees Matt Quigley (left) and Tom Balchin (right) holding a copy of the "Crompton & Knowles Computer Fashion Shades" catalog. This photograph was taken at the Crompton & Knowles Customer Service Laboratory in…
- Contributor Feeman, James
- Subject Dye industry, Employees, Dyes and dyeing, Crompton & Knowles Corporation
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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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Beckman Model TJ-6 Centrifuge
- Circa 1976
The TJ-6 centrifuge was introduced in 1976.
Beckman Instruments began producing centrifuges after their January 1, 1955 acquisition of industry leader, Specialized Instruments Corporation, or Spinco. With Spinco came…
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Beckman Model 4500 Digital pH Meter
- Circa 1975
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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EPA Acetylene Monitor
- 1970s
Twenty-five EPA stations were outfitted with this monitor for the St. Louis Regional Air Pollution Study in the early 1970s.
Beckman Instruments entered the gas chromatograph business in 1956 with the acquisition of…
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Beckman Model 6800 Air Quality Chromatograph
- 1970s
Beckman Instruments entered the gas chromatograph business in 1956 with the acquisition of the successful Watts Manufacturing Company. Later that year, Beckman Instruments produced its first gas chromatograph, the GC-1,…
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Beckman BUN Analyzer and Glucose Analyzer
- 1970s
Photographer's proofs of a woman posing in a laboratory with a Beckman Blood Urea Nitrogen (BUN) Analyzer and Glucose Analyzer.
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Herschel and the invisible hot region.
- 1977
This advertisement for the series 4200 IR Spectrophotometer connects the work that Beckman Instruments is doing to the work of William Herschel, the British astronomer who discovered infrared radiation in 1800.
The…
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Woman using a Beckman ASTRA 8 Automated Stat Routine Analyzer
- Circa 1978
The Astra 8 analyzer used multiple channels to perform continuous flow and discrete analyses of electrolytes and "routine chemistries." It was controlled by a microprocessor with 52K bytes of memory.
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Beckman HC/CO Tester in use measuring automobile exhaust
- 1970s
A man in a lab coat and a woman with a clipboard record the readings of an HC/CO Tester attached to the tailpipe of an automobile. This instrument measures the levels of hydrocarbons (HCs) and carbon monoxide (CO)…