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Perkin-Elmer infrared spectrophotometer in use at Environmental Protection Agency

  • 1970s

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General view of Dr. Eva Wittgenstein inserting a sample into a Perkin-Elmer Model 621 Grating Infrared Spectrophotometer in use at a facility associated with the Laboratory Methods Research Section of the Environmental Protection Agency (EPA). Per notations accompanying the photograph, the instrument is being used as part of a program to provide standard analytic methods for identification of allergenic pollutants in air.

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  • 8 in. H x 10 in. W
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  • Courtesy of Science History Institute

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  • Box 6

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Cite as

Perkin-Elmer Corporation. “Perkin-Elmer Infrared Spectrophotometer in Use at Environmental Protection Agency,” 1970–1979. Photographs from the Perkin-Elmer-Applera Collection, Box 6. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/r207tq060.

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