
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1928
1924-1927
1830 (original); 1967 (model)
1839 (original); circa 1988 (replica)
1929
1926-1932
1952-3
1928
1934
1932
1925-1928
1926
1934
1955; 1830
1927-1929
1932
1924
1926
1928
1933
1925-1927
1924
1931
1931
1927
1930
circa 1930
1925
1928
1927
1933
1926
1925
1934
1924-1927
1934
1931
2000-100 BCE
Before 1932
before 1928
1932
1930-1931
1925
1931
1927
1924
circa 1930
1927
1933