
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1920-1925
1952-3
1830 (original); 1967 (model)
1920
1934
1925-1926
1920
1928
1922
1932
1955; 1830
1931
1927
1930
circa 1930
1920-1925
1925
1928
1924
1927
1933
1921
1925
1920-1929
1920-1930
1920-1930
1923
1934
1924-1927
1934
1921
1931
2000-100 BCE
1920-1928
Before 1932
before 1928
1932
1923
1925
1928
1931
1927
1924
circa 1930
1924
1921-1930
circa 1920
1927
1920-1930