You Searched For
Start Over You searched for: Date 1974 to 1975 Remove constraint Date: <span class="from" data-blrl-begin="1974">1974</span> to <span class="to" data-blrl-end="1975">1975</span>-
Dr. Bettye Washington Greene (1935-1995)
- After 1964 – before 1991
Photograph of Dr. Bettye Washington Greene (1935-1995), believed to be the first African-American female chemist employed to work in a professional position at the Dow Chemical Company.
Bettye Greene was born on March…
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4 items
Letter from Philip Handler to Harrison Shull, 1974
- 1974-May-24
Describes recent accomplishments of the National Academy of Sciences and the National Research Council. Includes a passage on the significant increase of membership among "women and blacks" on NRC committees, but notes,…
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Postage stamp from Saint Kitts and Nevis commemorating Marie Curie
- 1975
Stamp issued during International Women's Year (1975), depicting Marie Curie, "discoverer of radium," by the former British colony Saint Christopher-Nevis-Anguilla (now called the Federation of Saint Kitts and Nevis.)
- Subject Women in science, Curie, Marie, 1867-1934, Women physicists, Women scientists, Chemists, Women physical scientists, International Women's Year (1975), Commemorative postage stamps, Saint Kitts and Nevis, Women chemists, Science on postage stamps, Nobel Prize winners, Women in chemistry, Physicists, Postage stamps, Anguilla, Women Nobel Prize winners
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Woman using Beckman Glucose Analyzer and BUN Analyzer
- 1970s
An unidentified woman in a laboratory works in front of a bench holding a Beckman Glucose Analyzer and a Beckman BUN (Blood Urea Nitrogen) Analyzer.
The Glucose Analyzer was developed by James Sternberg in 1969 and…
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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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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)…