First marketed in 1960, the Beckman/Spinco Model 120 Amino Acid Analyzer allowed users to quickly perform amino acid chromatography. This unidentified instrument is likely a contemporary of the Model 120. The woman in this photograph is also unidentified.
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“Beckman Automatic Sample Injector and Programmer for Amino Acid Analyzer,” n.d. Beckman Historical Collection, Box 78. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/0p096703x.
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