
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1952-3
1830 (original); 1967 (model)
1925-1926
1934
1930
circa 1930
1931
1924
circa 1930
1928
1932
1955; 1830
1925
1928
1924
1927
1933
1928
1925
1934
1924-1927
1934
1931
1934
1931
1927
2000-100 BCE
Before 1932
before 1928
1932
1925
1928
1927
1924
1927
1926
1926
1931
1930-1931
1933
1926-1928
1926-1934
1930
1927
1801-1892 (prepared); 1946 (element replaced)
1933
1924
1930
1931