
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1952-3
1830 (original); 1967 (model)
1928
1927
1926
1934
1927
1668; 1924
1930
circa 1925
1926
1927
1924
circa 1930
1934
1932
1924
1926
1931
1931
1931
1927
1925
1930
circa 1930
1928
1925
1928
1927
1933
1925
1934
1924-1927
1931
1955; 1830
1925-1928
1927-1929
1928
1925-1927
1934
1932
1933
1924
1928
1926
1930
2000-100 BCE
1930-1931
before 1928