A dentist asking his patient if she would like gas, she retorts that she is not sure as there is a shortage on. Reproduction of a drawing after B. Thomas, 1921.

    • Thomas, Bert, 1883-1966.
    Date:
    1921
    Reference:
    15417i

    Licence: In copyright

    Credit: A dentist asking his patient if she would like gas, she retorts that she is not sure as there is a shortage on. Reproduction of a drawing after B. Thomas, 1921. Wellcome Collection. Source: Wellcome Collection.

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