Long shot of DEUCE computer at English Electric, Whetstone, 1958.

ENGLAND - MAY 06: English Electric developed several notable pioneering computers during the 1950s. The DEUCE: Digital Electronic Universal Computing Engine, was the first commercially produced digital model and was developed from earlier plans by Alan Turing. 30 were sold and in 1956 one cost ú50,000. The DEUCE took up a huge space compared to modern computers and worked from 1450 thermionic valves which grew hot , blow outs were frequent. However the DEUCE proved a popular innovation and some models were working in to the 1970s. Photograph by Walter Nurnberg who transformed industrial photography after WWII using film studio lighting techniques. (Photo by Walter Nurnberg/SSPL/Getty Images)