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