
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1926-1932
1925-1935
1830 (original); 1967 (model)
1926
1935
1928
1935
1934
1935
1934
1931
1932
1927
1926
1933
1925
1935
1934
1929-1935
1931
Before 1932
1930-1931
1925-1935
1925-1935
1925
1928
1933
1924
1927
1932
1955; 1830
1925-1928
1927-1929
1934-1935
1931
1927
1930
circa 1930
1925
1928
1935
1929-1935
1928
1925-1935
1926
1934
2000-100 BCE
before 1928