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Start Over You searched for: Date 1975 to 1979 Remove constraint Date: <span class="from" data-blrl-begin="1975">1975</span> to <span class="to" data-blrl-end="1979">1979</span>-
Peanut oil testing using Perkin-Elmer infrared spectrophotometer
- 1970s
General view of Dr. Giovanni Bigalli posed with a Perkin-Elmer Grating Infrared Spectrophotometer at an unidentified laboratory facility. Per notations accompanying the photograph, this spectrophotometer is being used…
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Perkin-Elmer instruments in use at Kellogg Company laboratory
- 1970s
General view of an unidentified employee operating a Perkin-Elmer Model 5000 Inductively Coupled Plasma atomic emission analyzer at the Kellogg Company Corporate Quality Sciences laboratory located in Battle Creek,…
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Perkin-Elmer atomic absorption spectrophotometer in use at Kellogg's laboratory
- 1970s
Close-up view of a Perkin-Elmer Model 503 Atomic Absorption Spectrophotometer in use at the Kellogg Company Quality Assurance laboratory located in Battle Creek, Michigan. At the laboratory, atomic absorption…
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Perkin-Elmer atomic absorption spectrophotometer in use at Kellogg's laboratory
- Circa 1975-Apr-21
General view of an unidentified employee prepping a Perkin-Elmer Model 503 Atomic Absorption Spectrophotometer to analyze a food sample in the Kellogg Company Quality Assurance laboratory located in Battle Creek,…
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Perkin-Elmer atomic absorption spectrophotometer in use at Kellogg's laboratory
- 1970s
General view of chemist Harvey Beatty operating a Perkin-Elmer Model 503 Atomic Absorption Spectrophotometer at the Kellogg Company Quality Assurance laboratory located in Battle Creek, Michigan. Per notations…
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Perkin-Elmer atomic absorption spectrophotometer in use at Hershey Company facility
- 1970s
General view of laboratory technician Margaret Kreiser using the heated graphite atomizer (HGA) attachment of a Perkin-Elmer Model 403 Atomic Absorption Spectrophotometer to test a chocolate sample for volatile elements…
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Chocolate sample testing at Hershey Company facility
- 1970s
General view of laboratory technician Margaret Kreiser grating a sample of chocolate prior to testing at a Hershey Company facility. Per notations accompanying the photograph, testing included an analysis of the…
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Perkin-Elmer instruments in use at Hershey Company facility
- 1970s
General view of laboratory technician Margaret Kreiser using assorted Perkin-Elmer atomic absorption instruments at a Hershey Company facility to determine the metal constituents of finished food items and raw…
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11 items
Arnold O. Beckman with employees
- Circa 1940 – circa 1979
Though the photo set is identified as Beckman with "employees," some of the photographs depict ceremonies and visits to non-corporate locations, like CalTech. Some photographs are attributed, dated (1941, 1962, 1967),…