Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1929
1834-1836
1928
1925-1930
1934
circa 1925
1839 (original); circa 1988 (replica)
1926-1932
1925
1925-1926
1927-1928
1990-96
1933
1934
1926
1927
1929
1926
1927
1931
1934
1903 (original); 1982 (model)
c. 1933
1925
2000-100 BCE
1924-1927
4000-2001 BCE
1934
1925
1928
1931
1930-1932
1926
1927-30
1955; 1830
1930-1931
1925-1930
1930
1925-1928
1925-1930
1925
1931
1930
1926-1928
1933
1932
1924-1927
1926-1934
1934