
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1936
1936
1935
1830 (original); 1967 (model)
1839 (original); circa 1988 (replica)
1952-3
1927
1931
1927
1927
circa 1930
1928
1924
1935
1936
1932
1955; 1830
1931
1927
1930
1933
1928
1927
1933
1936
1935
1934
1934
1931
1932-1936
1934-1935
1934
1928
1935
1934
1935
1935
1931
1935
1935
circa 1930
1929-1935
2000-100 BCE
1930-1931
before 1928
Before 1932
1927-1929
1932