Steel bullet extractor, German, 17th century.

Iron and steel works near Barrow-in-Furnes, 1867.

BR(LMR) poster. 'Portstewart - Northern Ire

Sundial by Edmund Culpeper.

Steel tuning fork with oval grip and circular stand, c 1869-1874.

'British Industries - Steel', 1924.

'Perforated Rocks', 1849.

Pair of small Gregorian reflecting telescopes, mid 18th-mid 19th century.

Bomb damage in a London street, Second World War, 11 October 1940.

Tuning fork, c 1869-1874.

'Bending armour-plate by hydraulic presure at Chatham Dockyard', c 1863.

'A Sheffield Steel Works', LMS poster, 1923-1947.