Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1929
1834-1836
1935
1936
1935
1928
1934
1930 (replica); 1834 (original)
1839 (original); circa 1988 (replica)
1936
1935
1927-1928
1927
1934-1935
1936
1933
1935
1936
1934
1936
1929
1927
1931
1936
1931
1935
1935
1929-1935
1934
1935
c. 1933
1930
1930 (replica); 1834 (original)
1930
1927-30
2000-100 BCE
4000-2001 BCE
1935
1927
1935
1931
1934
1928
1930-1932
1933
1930-1931
1930
1930