Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1834-1836
1830 (original); 1967 (model)
1934
1839 (original); circa 1988 (replica)
1990-96
1933
1934
1903 (original); 1982 (model)
c. 1933
1934
2000-100 BCE
1934
4000-2001 BCE
1955; 1830
1932
1932
1934
1933
1933
1933
1933
Before 1932
Before 1932
1938; (1838)
circa 1932
circa 1932
circa 1932
1934
circa 1932
1934; 1947
1933
1934
1932
1933
1932-1933
1952-3
1990-95
1933
1932
1932
1933
1933-09-11
circa 1932
1936
1932
1934
1933
1933
1934