Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1929
1834-1836
1926
1928
1934
1925-1930
1839 (original); circa 1988 (replica)
1930 (replica); 1834 (original)
circa 1925
1926-1932
1925-1926
1925
1927-1928
1927
1990-96
1933
1926
1934
1926
1927
1929
1931
1931
1930 (replica); 1834 (original)
1927-30
1934
c. 1933
1930
4000-2001 BCE
1930
1925
2000-100 BCE
1927
1930-1932
1933
1928
1925
1934
1931
1926
1925-1930
1930
1930-1931
1930
1925-1930
1925-1928
1931
1925
1926-1934