Philadelphia College of Pharmacy and Science: a woman inspecting a microscope in a tank. Photograph, c. 1933.

    Date:
    c. 1933
    Reference:
    30386i

    Licence: In copyright

    Credit: Philadelphia College of Pharmacy and Science: a woman inspecting a microscope in a tank. Photograph, c. 1933. Wellcome Collection. Source: Wellcome Collection.

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