
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1931
1930-1931
1839 (original); circa 1988 (replica)
1830 (original); 1967 (model)
1903 (original); 1982 (model)
1990-96
1932
1955; 1830
1934
1931
1930
circa 1930
1933
1934
1934
1931
2000-100 BCE
Before 1932
1932
1931
1933
circa 1930
1932
1934
1930
1933
1930
1933
1931
1934
1801-1892 (prepared); 1946 (element replaced)
1932-1933
1930
1930-1932
1930-1932
1930-1932
1930
1931
4000-2001 BCE
1930 (replica); 1834 (original)
1933
1934
Before 1932
1956-09
1952-3
1936
1956-09
1930
1930