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• 
  Photographs

  Gascoyne Laboratories facility in Baltimore, Maryland

  • 1970s

  Close-up view of chemist Francis Ptak holding a rack of Nessler tubes at a Gascoyne Laboratory facility located in Baltimore, Maryland. A Perkin-Elmer automated, multi-element spectrophotometer is visible in the…

  • Creator Of Work Perkin-Elmer Corporation
  • Subject Atomic absorption spectroscopy, Employees, Perkin-Elmer Corporation, Metals--Analysis, Chemists, Corporations, Glassware, Laboratories, Scientific apparatus and instruments, Tubes--Testing