
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1931
1930-1931
1839 (original); circa 1988 (replica)
1936
1935
1830 (original); 1967 (model)
1903 (original); 1982 (model)
1934-1935
1935
1930
circa 1930
1931
circa 1930
1935
1934-1935
1932-1936
1931
1928
1932
1955; 1830
1934
1928
1935
1933
1936
1929-1935
1928
1935
1934
1936
1934
1929-1935
1931
2000-100 BCE
Before 1932
before 1928
1932
1928
1924
1936
1935
1930
1935
1933
1801-1892 (prepared); 1946 (element replaced)
1934
Before 1932
1929-1935
1930 (replica); 1834 (original)