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Photographs

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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Credit line
  • Courtesy of Science History Institute

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Physical container
  • Box 6

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Related Items

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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The Science History Institute recognizes there are materials in our collections that may be offensive or harmful, containing racist, sexist, Eurocentric, ableist, or homophobic language or depictions. The history of science is not exempt from beliefs or practices harmful to traditionally marginalized groups. The Institute is engaged in ongoing efforts to responsibly present and address the evidence of oppression and injustice inextricable from the history of science. If you would like to learn more about our ongoing efforts or if you encounter harmful, inaccurate, or insufficient descriptions, please contact us at digital@sciencehistory.org.