
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
1940-1945
1945
1946
1943
1935-1945
1934-1935
1934
1937
1946
1942
1937
1944
circa 1942
1935
1939
1936
1938 and 1951
1935
1944-1945
1934
1936
1946
1934
2000-100 BCE
1940-1944
1938-1940
1943
1945
1937-1937
1942
1945
1937-1938
1937-1938
1946
1942