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

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.

G. F. Stack

CC0 — Public Domain
Wellcome Collection

Lettering: Captn. G. F. Stack's apparatus for those who have lost an arm. Drawn by R. Cocking. Engraved by G. Gladwin. Bears plate number: Pl. 21.

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