
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1926
1931
1927
1927
circa 1930
1928
1934
1932
1934
1931
1931
1927
1930
circa 1930
1928
1932
1933
1925
1924
1955; 1830
1925-1928
1928
1927
1933
1926
1925
1934
1934
1931
2000-100 BCE
Before 1932
before 1928
1932
1930-1931
1925
1927-1929
1925-1927
1928
1926
1933
1930
circa 1927
1929
1925-1930
1903 (original); 1982 (model)
1925
1933
1933
1990-96