John Grindrod:
Bombe
John Grindrod:
Bombe
John Grindrod:
Bombe
John Grindrod:
Wireless Telegraph Station
John Grindrod:
53
John Grindrod:
Realistic tableau
John Grindrod:
Not a real woman
John Grindrod:
Coded messages
John Grindrod:
View from a Hut
John Grindrod:
Hut window
John Grindrod:
Huts
John Grindrod:
Bletchley Park cinema
John Grindrod:
Science and Innovation Centre