
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1936
1935
1936
1936
1839 (original); circa 1988 (replica)
1934
1935
1930
1928
1935
1934
1931
1927
circa 1930
1935
1928
1936
1932
1932-1936
1934-1935
1937
1937
1931
1927
1927
1933
1936
1935
1929-1935
1931
1928
1935
1924
1935
1927
1934
circa 1930
1934
1931
1955; 1830
1927-1929
1932
1929-1935
1928
1936
2000-100 BCE
Before 1932
before 1928