Popular cameras of the 1920s and 1930s.

Nurse posing for camera in a hospital ward, c 1900s.

CCTV camera and Highpoint building, Bradford, West Yorkshire, 2007.

Chevalier 'Le Grand Photographe' folding camera, c 1840.

The Dubroni wet-plate camera, 1864.

Sectioned Dubroni wet-plate camera, 1864.

A selection of Kodak cameras, 1888-1999.

C S Rolls sitting at his desk, c 1902.

C S Rolls looking at the engine of a motor car in his garage, c 1900.

Prizes won by C S Rolls, c 1894-1910.

'The Cambridge Duad', Cambridge University, 1895.

C S Rolls sitting at his desk talking on the telephone, c 1900.