
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1952-3
1935
1935
1830 (original); 1967 (model)
1923
1935
1928
1922
1932
1955; 1830
1934
1931
1927
1930
circa 1930
1925
1928
1924
1935
1927
1933
1929-1935
1928
1935
1925
1925-1935
1923
1934
1924-1927
1934
1929-1935
1931
2000-100 BCE
Before 1932
before 1928
1932
1923
1925-1935
1925-1935
1925
1928
1931
1927
1924
circa 1930
1924
1935
1927