1851 Great Exhibition: Official Catalogue: Class X.: W. R. Grossmith
565. GROSSMITH, W. R., 175 Fleet Street — Inventor and Manufacturer.
Artificial legs, for amputation above and below the knee; or at the ankle, allowing the free use of the natural knee-joint.
The same for contracted knee (foot amputated), with locking joints. Common socket and pin leg, with knee-joint.
Artificial eyes.
Spring braces for the prevention of round shoulders and stooping; with other instruments.