Concerns a patent claim by Mathilda (sic) Groll, for cultivating microorganisms in whey and mixing them with sugar.
|Place of creation|
|Original file type||TIFF|
|Rights||Public Domain Mark 1.0|
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Chandler, Charles Frederick. “Letter from Charles F. Chandler to Dr. Van Doren,” June 27, 1922. Szymanowitz Autographed Letter Collection, Box 1. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/v692t622w.
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