Siemens and Halske T52e Cipher Machine, 1940s
1940-1950
Ideal Codigraph enciphering machine
1909-1910
Kryha ciphering machine
1926-1930
Sir Percy Scott's cypher machine
1890-1920
Cipher machine
1890-1910
Ciphering calculator in brass inscribed RSWX
Prototype model of coding and decoding machine
Siemens and Halske T52e Cipher Machine, 1940s
1940-1950
Power cable for Siemens and Halske T52e Cipher Machine, 1940s
1940-1950