Sample of intermetallic compound of copper and aluminium, 1925.

Experimental steel alloys, 1820-1824.

'Seeding' cells onto a 'bio-glas' sample for analysis, October 2001.

Sample of fabric, by Barlow and Jones Ltd, Manchester.

'Sunpipe' lighting system, 2001.

'Sunpipe' lighting system, 2001.

Sample of the first succesful experimental nylon (polyamide), 1935.

Sample of the first succesful experimental nylon (polyamide), 1935.

Cricket exhibit from the 'Chelsea World of Sport' exhibition, London, 2001.

Tennis exhibit from the 'Chelsea World of Sport' exhibition, London, 2001.

Football exhibit from the 'Chelsea World of Sport' exhibition, London, 2001.

'Leica 1' camera, made by Leitz, 1925.