'British Industries - Steel', LMS poster, 1924.

British standard steel rails, cast iron chairs and wooden sleepers, 1924.

Glas and steel suspended bridge, 1996.

British standard steel rails, cast iron chairs and wooden sleepers, 1924.

Manufacturing at an iron and steel foundry, 6 January 1937.

'Mr Robert's Churn', late 19th century.

'Mr Robert's Churn', late 19th century.

Dental key, English, late 18th century.

Sir Geoffrey and Lady Howe outside 11 Downing Street, London, March 1982.

Harold Macmillan outside No 10 Downing Street, London, October 1959.

Bridge at Ludgate Hill, London, mid-late 19th century.

Dental forceps, London, 1801-1850.