Diagram, The Riddle of the Ranks, WW1
Diagram, The Riddle of the Ranks, showing how a message can be deciphered during the First World War
Picture No
10724395
Media ID
46097287
Size
3934px x 6174px
(3.2MB)
Credit
© Illustrated London News Ltd/Mary Evans
Source
Diagram bys Jacobs in The Bystander, 2 December 1914, p305
Date
1914





























