Back to photostream

Bletchley Park (23) Tunny machine

This is a rebuild of the "Tunny" machine, used to decipher teleprinter messages enciphered on the German Lorenz SZ42 cipher machine. Aparently they named a lot of their machines after fish, "tunny" being another name for "tuna".

310 views
0 faves
8 comments
Uploaded on August 3, 2010
Taken on July 26, 2010