Light pen, 1988.

Covellite. Light micrograph in uncrossed po

A female production line worker inspects refrigerators, 1954.

Rivetting a car body, Brixton, 1951.

A potter's hands shaping a ceramic core used in electrical power distribution.

Exploring the way colours mix, 1990s.

Stereo-daguerreotype of Henry Claudet, c 1853.

Emitron television camera tube, type 5954, 1935.

Stereo-daguerreotype of a woman and two children, 1855.

Stereo-daguerreotype of a young woman, c 1853.

Female employees making transistors, Mullard Electronics, 1961.

Eastman's 'Kodoid' photographic plates, c 1905.