A physician holds up a urine flask to the light, while another scholar reads the properties of urine from a book. Woodcut, 1531.

    Date:
    1531
    Reference:
    35727i

    Licence: Public Domain Mark

    Credit: A physician holds up a urine flask to the light, while another scholar reads the properties of urine from a book. Woodcut, 1531. Wellcome Collection. Source: Wellcome Collection.

    no text alternative