Colossus and Post Office Research Station brass plaque

'Building 1' This building was erected in 1933 as the headquarters of the Post Office Engineering Department Research Station During the period 1933 - 1975 many innovative advances including 'Colossus' the worlds first programmable computer, were made in telecommunications and postal engineering on this site.

  • Chartwell Court, 151 Brook Road, Dollis Hill, London