
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1839 (original); circa 1988 (replica)
1935
1935
1935
1931
1935
1934
1931
1933
1936
1931
2000-100 BCE
Before 1932
1932
1931
1933
1932
1955; 1830
1936
1935
1936
1932
1934
1932-1936
1934-1935
1935
1936
1935
1934
1934
1935
1935
1933
1936
1933
1931
1936
1801-1892 (prepared); 1946 (element replaced)
1933
1990-96
1935
1935
1934
1935
1935
1936
Before 1932
1935
1931