Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1929
1834-1836
1935
1936
1935
1928
1934
1839 (original); circa 1988 (replica)
1936
1927-1928
1937
1934-1935
1936
1935
1933
1936
1937
1934
1929
1936
1927
1927
1931
1937-1938
1938
1931
1929-1935
1935
1938 and 1951
1934
1935
c. 1933
1903 (original); 1982 (model)
1930
1937
1938
2000-100 BCE
1927-30
4000-2001 BCE
1937
1935
1935
1934
1931
1928
1930-1932
circa 1938
1933