Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1929
1834-1836
1935
1839 (original); circa 1988 (replica)
1936
1934-1935
1936
1936
1935
1990-96
1933
1934
1929
1936
1929-1935
1931
1935
1903 (original); 1982 (model)
c. 1933
2000-100 BCE
4000-2001 BCE
1934
1928
1931
1930-1932
1934
1935
1955; 1830
1930-1931
1930
1935
1932-1936
1931
1932
1933
1930
1934
1935
1931
1930-1932
1928
1928
1933
1929-1935
1930-1932
1929-1935
1933
1930
1933