
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1945
1942
1943
1935
1934-1935
1945
1936
1830 (original); 1967 (model)
1839 (original); circa 1988 (replica)
1940
1935
1952-3
1938
1938
1938
1935
1938
1940
1940
1934
1938
1938
1935
1940-1945
1945
1943
1935-1945
1934
1936
1955; 1830
1938 and 1951
1944-1945
1936
1940-1944
1943
1942
1942
1937
1937
1944
circa 1942
1935
1939
1936
1935
1934
1934
2000-100 BCE