Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1942
1945
1940
1834-1836
1935
1936
1946
1935
1946
1934
1937
1839 (original); circa 1988 (replica)
1940
1936
1935
1937
1940-1945
1936
1934-1945
1934-1935
1990-96
1933
1940
1935
1934
1942
1936
1937
1936
1931
1944
1943-1945
1938
1937-1938
1935
1935
1943
1931
1938 and 1951
1935
c. 1933
1934
1940-1945
1938
4000-2001 BCE
1946
1940-1944
1945