Phrenological head, United Kingdom, 20th century.

Plaster cast of head or stern ornament of Viking ship.

Plaster cast of an original Stanhope stereotype printing plate.

Ancient Chinese cast iron implement moulds, c 300 BC.

Phrenological plaster cast heads, 1823-1950.

Bust of the physician Marcus Modius Asiaticus, Roman, 2nd century AD.

Queen Victoria, portrait bust, 1862.

Joseph Maudslay, English engineer, c 1855.

Henry Maudslay, English precision toolmaker and engineer, c 1800.

Isambard Kingdom Brunel, English civil engineer, mid-19th century.

Matthew Baillie, Scottish physician and pioneer morbid anatomist, 1812.

Matthew Baillie, Scottish physician and pioneer morbid anatomist, 1812.