Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1610; 1923
1920-1925
1929
1923
1834-1836
1925-1930
1839 (original); circa 1988 (replica)
1920
1923
1926-1932
circa 1920
1925
1923-07
1925-1926
1921-1930
1990-96
1920
1933
1934
1926
1929
1926
circa 1920
1927
1931
1923
1920-1930
1903 (original); 1982 (model)
c. 1933
1921
1925
2000-100 BCE
1922-1925
1921
1920
1924-1927
4000-2001 BCE
circa 1923
1934
1925
1923
1928
1931
1921-1931
1926
1930-1932
1934
1927-30
1922