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