Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1929
1834-1836
1830 (original); 1967 (model)
1925-1930
circa 1925
1934
1839 (original); circa 1988 (replica)
1926-1932
1925-1926
1925
1990-96
1927-1928
1933
1934
1926
1926
1927
1929
1931
1931
1927
1930
1903 (original); 1982 (model)
1925
c. 1933
1924-1927
1934
2000-100 BCE
1925
1928
1931
1930-1932
1926
1934
4000-2001 BCE
1930
1955; 1830
1932
1925-1928
1925
1925-1930
1930-1931
1927-30
1925-1930
1931
1930
1924-1927
1932
1934