A mechanism to enable an armless person to write with a pen by operating a treadle with the foot. Engraving by G. Gladwin after R. Cocking, ca. 1820.

    • Stack, G. F., Captain.
    Date:
    [1820?]
    Reference:
    44589i

    Licence: Public Domain Mark

    Credit: A mechanism to enable an armless person to write with a pen by operating a treadle with the foot. Engraving by G. Gladwin after R. Cocking, ca. 1820. Wellcome Collection. Source: Wellcome Collection.

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