Artillery radar equipment being demonstrate

Early ground radar transmitter, type TF3, late 1930s.

Army demonstration of radar equipment, Hyde Park, London, 17 August 1945.

Demonstrating mobile radar equipment, Hyde Park in London, 17 August 1945.

Steam locomotive 'Neil Gow', Ais Gill Viaduct, Settle and Carlisle line, 1960.

Class 5 4-6-0 No.44775 climbs to Ais Gill summit, 15 September 1967.

Anti-aircraft radar, Britain, 15 August 1945.

Anti-aircraft radar, Britain, 15 August 194

Midland Railway steam locomotive, 1955.

Radar station at 'Chain Home', England, 1940-1945.

Radar receiver, 1935.

Inductive potentiometer, 1966.