Two views of laboratory technician Cynthia A. Alley operating a Perkin-Elmer gas chromatograph and data station in a laboratory at the Analytical Bacteriology Branch of the Centers for Disease Control. In the first photograph, Alley is seen injecting a derivatized infectious disease sample into the port of a gas chromatograph. In the second photograph, Alley uses a data station to set the conditions for the gas chromatograph analysis, which is being used to identify infectious diseases.
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Perkin-Elmer Corporation. “Perkin-Elmer Gas Chromatography System in Use at Centers for Disease Control,” 1970–1979. Photographs from the Perkin-Elmer-Applera Collection, Box 5. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/d217qq512.
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