NH53:
Enigma Machine
NH53:
Bombe
NH53:
Rear view of Bombe wheel
NH53:
Bombe plug-board
NH53:
Rear view of Bombe
NH53:
Checking machine
NH53:
Tunny Gallery
NH53:
Lorenz cipher machine
NH53:
UK Equivalent of Lorenz machine
NH53:
Heath Robinson machine
NH53:
Colossus gallery
NH53:
Colossus (side view)
NH53:
Colossus (back view)
NH53:
Colossus (back view)
NH53:
Cylindrical slide rule
NH53:
Card punch machine
NH53:
ICL 2966 Mainframe
NH53:
"Colossal Cave Adventure" game
NH53:
EDSAC Rebuild
NH53:
EDSAC Rebuild
NH53:
EDSAC Rebuild
NH53:
WITCH (Harwell Dekatron Computer)
NH53:
Rope Memory