
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1935
1931
2000-100 BCE
circa 1930
1930-1931
1932
before 1928
1932
1930
1928
1931
1932
1935
1928
1935
1928
1935
1955; 1830
1934
1935
Before 1932
1924
1934-1935
1934
1931
circa 1930
1933
1935
1933
1929-1935
1928
1935
1934
1934
1929-1935
1935
1935
1930
1933
1930-1932
1930-1932
1930-1932
1839 (original); circa 1988 (replica)
1931
1903 (original); 1982 (model)
1933
1931
Before 1932