Backing Bletchley

Ronald Koorm has given talks and lectures on the codebreaking outstations for several years ‒ this is the last piece of the amazing Bletchley jigsaw.Full of extraordinary stories: who built the first electronic digital computer? Tommy Flowers ‒ but not at Bletchley ‒ at Dollis Hill!The first detailed study of the Bombe registers at the National Archives, which brings a new understanding of the per...