Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1834-1836
1839 (original); circa 1988 (replica)
1990-96
1933
1934
1931
1903 (original); 1982 (model)
c. 1933
2000-100 BCE
4000-2001 BCE
1934
1931
1934
1955; 1830
1931
1932
1933
1934
1931
1933
1933
1933
Before 1932
1931
Before 1932
circa 1932
1938; (1838)
circa 1932
1931
1932
circa 1932
1934
circa 1932
1931
1934
1934; 1947
1933
1934
circa 1931
1932-1933
1933
1952-3
1990-95
1933
1932
1932
1830 (original); 1967 (model)
1933
circa 1932