plaque · London
Colossus

'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.
Inscription drawn from imported open data, awaiting original TributeLegacy editorial.
Source: Open Plaques. Geographic data via OpenStreetMap.