Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1610; 1923
1929
1920-1925
1923
1834-1836
1923
1928
1934
1926
1925-1930
circa 1925
1930 (replica); 1834 (original)
1839 (original); circa 1988 (replica)
1923
circa 1920
1920
1926-1932
1923-07
1925
1925-1926
1927-1928
1924
1927
1921-1930
1933
1920
1926
1934
1929
1927
1926
1931
1924-1927
circa 1920
1922-1924
1931
1923
1934
1920-1930
c. 1933
1921
1930
1930 (replica); 1834 (original)
1930
1925
1927-30
1923
2000-100 BCE
4000-2001 BCE