General view of an unidentified technician inserting a coal sample into the combustion chamber of a Perkin-Elmer Model 240 elemental analyzer in the research laboratory at the University of West Virginia's Coal Research Bureau. Per notations accompanying the photograph, the analyzer is used to determine the exact composition of coal elements, including carbon, hydrogen, and nitrogen components, in an effort to analyze burning qualities, as well as further the study of pollution prevention.
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Perkin-Elmer Corporation. “Perkin-Elmer Elemental Analyzer in Use at Coal Research Bureau,” 1970–1979. Photographs from the Perkin-Elmer-Applera Collection, Box 5. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/1544bp90c.
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