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Subject Carbohydrates--Analysis Remove constraint Subject: Carbohydrates--Analysis Subject Laboratories Remove constraint Subject: Laboratories Subject Polariscope Remove constraint Subject: Polariscope

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    • 1913 – before 1928

    Close-up view of a polarimeter housed in a constant temperature dark room at the Bureau of Chemistry's Carbohydrate Laboratory. Part of the U.S. Department of Agriculture, the Carbohydrate Laboratory analyzed the…