A pair of CO2 gas-powered artificial arms for a young child, 1963.

Prosthetic leg, c 1915.

Joint prosthesis, 20th century.

Studded cup from an artificial hip prosthesis, 1970-1985.

Studded cup from an artificial hip prosthesis, 1970-1985.

Artifical hip prosthesis, mid 20th century.

Vitallium total hip prosthesis, 1970-1985.

Prosthetic legs in storage at Blythe House, Science Museum, 2007.

Kodak shop interior, Dublin, c 1900.

Six early forms of bicycle, 19th century.

Six early forms of bicycle, 19th century.

A pair of C02 gas-powered artificial arms for a young child, 1964.