File:Typex cipher machine at the National Cryptologic Museum.agr.jpg - Wikimedia Commons

Typex

The Coming of the Machines: 1918–1945

The Friedmans at War: William

Cryptography Sigaba Nthe Cipher Machine Sigaba Developed In The Late 1930S And Used By The American Government For The Encryption And Decryption Of Secret Messages From World War Ii Through The

KL-7

KL-7

The Friedmans at War: William

Category:National Cryptologic Museum – Wikimedia Commons

File:Enigma-Machine.jpg - Wikipedia