Two men rolling tea leaves by hand, to aid the oxidation process. Painting by a Chinese artist, ca. 1850.

    Date:
    1850
    Reference:
    572182i

    Licence: Public Domain Mark

    Credit: Two men rolling tea leaves by hand, to aid the oxidation process. Painting by a Chinese artist, ca. 1850. Wellcome Collection. Source: Wellcome Collection.

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