Cambridge Instrument Company rocking rotary microtome serial no. C683200, c.1968.

Scanning electron probe microanalyser, 1960.

Mike Gatting, July 1986.

Thames Tunnel, London, c 1845.

Philips Cockcroft Walton accelerator, c 1940.

Philips Cockcroft Walton accelerator, c 1940.

Cockcroft and Walton's Accelerator, 1932.

John Douglas Cockcroft and Kempton, c 1940s.

Cockcroft and Walton's Accelerator, 1932.

Cockcroft and Walton's Accelerator, 1932.

Framed illustration: Vertical Spinning Tunnel from the National Aeronautical Establishment. Shows annotated cut-away drawing of a vertical wind tunnel

'Thames Tunnel', London, c 1845.