Anatomical drawing of a human skeleton, England, 1840.

Lead pencil, 1997.

Promethean matches, 1828.

Charles Babbage, British mathematician and computing pioneer, 1845.

Charles Babbage, mathematician and computer pioneer, c 1844.

'The Haystack', late April 1844.

Celluloid roll film, c 1890.

Plastic dustbin, 1998.

Plastic red herring, 1998.

National Health Service spectacles with mock tortoiseshell frames, 1970-1980.

Collagen implant syringe.

Maroon 'Melaware' plastic bowl, c 1960-1970.