
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1839 (original); circa 1988 (replica)
1940
1938
1938
1938
1935
1938
1940
1935
1940
1936
1934
1955; 1830
1935
1943
1934-1935
1934
1937
1942
1937
circa 1942
1935
1933
1939
1936
1938 and 1951
1935
1934
1936
1934
2000-100 BCE
1938-1940
1943
1937-1937
1942
1937-1938
1937-1938
1942
1933
1938
1938
1936
1935
1940
1940
circa 1938
1938
1938
1935