General view of Jeanette Clarke, employee at New York City's Fordham Hospital, using a Perkin-Elmer Model 403 Atomic Absorption Spectrophotometer to measure the lead content in a sample of blood. Per notations accompanying the photograph, Clarke is seen inserting a drop of blood into the flame of the spectrophotometer, part of a city-wide initiative to screen children between the ages of 1 and 5 for lead poisoning.
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Perkin-Elmer Corporation. “Blood Analysis with Perkin-Elmer Atomic Absorption Spectrophotomer,” 1970–1979. Photographs from the Perkin-Elmer-Applera Collection, Box 4. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/2b88qc98z.
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