Hand from an artificial arm, 1920-1925.

Buddhist altar lamp, Tibetan, 18th or 19th century.

Mathematical instruments, 1701.

Mathematical instruments, 1701.

Mathematical instruments, 1701.

Sanjusangendo temple, Kyoto, Japan, c 1690.

A set total panel from the 'Colossus' computer, Bletchley Park, 1943.

Trumpet made from human bone, Tibet, 18th or 19th century.

Wooden statue, Congo.

Wooden statue, Congo.

Statue of 'Laocoön and his Sons', c 1853.

Frontispiece from 'The Surveyor', 1616.