Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1942
1940
1834-1836
1935
1936
1935
1934
1937
1940
1839 (original); circa 1988 (replica)
1936
1935
1937
1936
1934-1935
1940
1935
1936
1934
1936
1942
1937
1944
1937-1938
1938
1943
1935
1935
1938 and 1951
1935
1934
1938
1940-1944
4000-2001 BCE
1937
1935
2000-100 BCE
1943
1938-1940
1937
1941
1935
circa 1940
1934
1942
1938-1939
1938
1940