
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1942
1940
1935
1935
1934-1935
1938
1935
1839 (original); circa 1988 (replica)
1936
1940
1938
1932-1942
1940
1938
1938
1938
1935
1938
1940
1940
1936
1934
1935
1938
1938
1932
1955; 1830
1932-1936
1938-1940
1937-1937
1937-1938
1937-1938
1942
1932
1938 and 1951
1936
2000-100 BCE
Before 1932
1932
1942
1934
1937
1938
1936
1937
circa 1942
1933
1935