Changes related to "Category:Message systems"
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22 September 2014
- (diff | hist) . . Milestones:First Breaking of Enigma Code by the Team of Polish Cipher Bureau, 1932-1939; 18:52 . . (+82) . . Administrator7
- (diff | hist) . . m File:Fig05-SiemensKarolusFacsimileSystem1927 0622.jpg; 16:01 . . (+446) . . Administrator7 ( -> Creation failed: Unsupported filetype!)