'Princes Margaret Rose', steam locomotive, Westmoreland, 1936.

'The Royal Scot', steam locomotive, c 1950s.

'A Midwife going to a labour', 1811.

Victor Meyer's vapour density apparatus, 1878.

Casagrande liquid-limit apparatus, 1967, and cone penetrometer, 1980s.

'Federal Battery No1...', Virginia, USA, May 1862.

Bottle from blood transfusion apparatus, 1914-1918.

Kenny Dalglish, Liverpool manager, 1986-1990.

Body armour, 1996.

Mechanic holding pit signalling boards on a motor racing track, Germany, 1932.

Samples of casein plastic, c 1920-1960.

The cockpit of Alcock and Brown's Vickers Vimy aircraft, 1919.