Finger ring with receptacle and hinged lid.

Artificial arm, c 1904.

Pair of non-articulated metal legs for a male Thalidomide teenager, 1975.

Saturn's rings, 21 June 2004.

Elastic band tubing and elastic bands, 1996.

Extrusion die for elastic band tubing, 1965-1975.

Exploration of the cubital nerve, 1881.

'Openshaw' artificial hand, c 1919.

Eel skin used against cramp and rheumatism, 1880-1940.

Bronze Age 'base ring' juglets, Cyprus, 14th century BC.

Ring Nebula, c 2000.

Close up of Saturn and its rings, photographed by Voyager 2, 1981.