
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1942
1940
1936
1940
1945
1936
1943
1935
1938
1830 (original); 1967 (model)
1839 (original); circa 1988 (replica)
1935-1945
1952-3
1945
1948
1946
1943
1948
1931
2000-100 BCE
1945
1940
1947
1947
1932-1942
1940
1948
1938
1935
circa 1930
1940
1942
1946
1938-1940
1930-1931
1935
1940
1936
1934
1937-1937
1935
1938
1938
1932
1955; 1830
1948
1937-1938
1935