Pharmacy leech jar, c 1831-1859.

Pharmacy leech jar, c 1831-1859.

A batello or batil, 19th century.

Clock symbolising motive power, French, 19th century.

Clock symbolising motive power, French, 19th century.

An iron forge, c 1773.

Robert Napier, Scottish marine engineer, c 1870.

Small wooden leper crutches, posibly English, c 18th century.

Advertisement for irons and fluters, late 19th century.

Woman beside a shop display of the latest Magnet electric iron, c 1930s.

Iron Forge at Rouillon, Belgium, c 18th century.

Cast iron bridge, Sunderland, c 1794.