
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1839 (original); circa 1988 (replica)
1940
1947
1935
1935
1948
1946
1943
1948
1935
circa 1942
1945
1947
1935
1940
circa 1938
1938
1938
1934
1937
1949
1946
1942
1937
1944
1938 and 1951
1936
2000-100 BCE
1940-1944
1938-1940
1943
1945
1937-1937
1942
1940-1949
1937-1938
1937-1938
1948
1946
1948
1942
1938
1938
1948
1938
1938
1940
1955; 1830
1938