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Photographs

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)…
- Creator Of Work Beckman Instruments, Inc.
- Subject Automobiles--Motors--Exhaust gas, Automobiles--Pollution control devices, Scientific apparatus and instruments, Automobiles, Beckman Instruments, Inc., Women in science
Photographs

Checking Odor Values
- 1950s
View of chemists checking the odor values of the fractions of the distilled oil before bulking at the Norda Company plant in Boonton, New Jersey.
- Creator Of Work Norda Essential Oil and Chemical Company
- Subject Norda Essential Oil and Chemical Company, Essences and essential oils industry, Perfumes industry, Women employees, Employees, Research, Industrial--Laboratories

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