Search Results
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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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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 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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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…
