Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1929
1834-1836
1935
1839 (original); circa 1988 (replica)
1936
1926-1932
1934-1935
1936
1936
1935
1990-96
1933
1934
1926
1929
1936
1926
1927
1929-1935
1931
1934
1935
1903 (original); 1982 (model)
c. 1933
2000-100 BCE
4000-2001 BCE
1934
1928
1931
1926
1930-1932
1935
1927-30
1955; 1830
1930-1931
1930
1935
1932-1936
1931
1930
1926-1928
1932
1933
1926-1934
1934
1935
1931
1927
1926