B&W, man in light sports jacket and dark trousers sitting on an armless chair in front of a console. Man's hand is pushing a button on the console. Internal window on left side with clock on wall (10:25). Two business machines in room at left, one tabulating machine labelled "HOLLERITH". Vertical array of cylinders on a rack with wheels at right. Verso : printed paper sheet adhesively attached in center top "CS 3422 The ACE Pilot model at a later date than CS 2365, when its control desk has been improved in appearance. The keys enabled the program to stop on any of the many different conditions, for testing. The operator was Brian Wise of the NPL."; black printed ink (dot matrix) label adhesively attached lower right "CS3422, CROWN COPYRIGHT, CENTRAL PHOTOGRAPHIC SECTION, NATIONAL PHYSICAL LABORATORY, TEDDINGTON MIDDX."; "273 copy 2" is black pencil scratched out above black pencil "274" sideways on center left edge.
Identification photograph; Publicity photograph
Electronic data processing--History; Computers--History; Computer industry--History