Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1942
1929
1945
1940
1834-1836
1935
1936
1935
1928
1934
circa 1939
1940
1839 (original); circa 1988 (replica)
1936
1926-1932
1930-1940
1940-1945
1937
1927-1928
1934-1935
1934-1945
1936
1990-96
1940
1936
1935
1933
1926
1937
1934
1942
1929
1936
1927
1926
1927
1943
1931
1937-1938
1938
1931
1943-1945
1929-1935
1935
1938 and 1951
1935
1934
1903 (original); 1982 (model)