Measuring instruments, 1723.

Set of instruments for measuring weather, 1744.

Anthropometric instruments, Institute of Child Health, London, 1945-c 1990.

Set of lithotomy instruments in a fishskin case, c 1775.

Cautery instruments, 19th century.

Illustration of a man operating an optical pyrometer from the Cambridge Scientific Instrument Co.

Set of lithotomy instruments in a fishskin case, c 1775.

Advertisement for 'A New Curious Instrument', 19th century.

Bronze Roman surgical instruments, 1st century AD.

Trade card of John Gilbert, instrument maker, London, 19th century.

Patrick Adie, instrument maker, 1878.

Surgical instrument case, English, 1650-1700.