
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1920-1925
1952-3
1830 (original); 1967 (model)
1923
1920-1930
1922
1930
circa 1930
1920-1925
1925
1928
1921
1934
1931
1927
circa 1930
1920
1928
1932
1934
1931
1927
1924
1927
1933
1928
1925
1920-1929
1920-1930
1920-1930
1923
1934
1924-1927
1921
1931
1920
1920-1928
before 1928
1932
1921-1931
1923
1925
1928
1924
1921-1930
circa 1920
1927
2000-100 BCE
Before 1932