Search Results
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Postage stamp from Togo commemorating the 100th birthday of Albert Einstein
- 1979
Stamp depicts the the Einstein Tower (Einsteinturm), an astrophysical observatory in the Albert Einstein Science Park in Potsdam, Germany. It houses a solar telescope designed by the astronomer Erwin Finlay-Freundlich…
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Postage stamp from Togo commemorating the 100th birthday of Albert Einstein
- 1979
Stamp depicts Albert Einstein playing a violin.
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Postage stamp from Togo commemorating the 100th birthday of Albert Einstein
- 1979
Stamp depicts Albert Einstein and J. R. MacDonald seated at a table in Berlin, Germany in 1931.
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Postage stamp from Comoros commemorating Avicenna (Ibn Sina)
- After 1979 – before 2000
Postage stamp from Comoros, an archipelago of volcanic islands situated off the south-east coast of Africa, featuring a depiction of Persian polymath Avicenna (circa 980 - 1037), also known as Ibn Sina, Abu Ali Sina,…
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East German postage stamp commemorating August Kekulé
- 1979
Stamp depicts August Kekule with the chemical structure of a benzene ring.
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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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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 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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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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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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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)…
