
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1839 (original); circa 1988 (replica)
1936
1935
1830 (original); 1967 (model)
1903 (original); 1982 (model)
1990-96
1934-1935
1935
1932
1955; 1830
1935
1934
1937
1937
1935
1933
1936
1935
1934
1936
1934
2000-100 BCE
Before 1932
1932
1937-1937
1933
1936
1935
1935
1936
1935
1932
1934
1934-1935
1932-1936
1936
1937
1935
1933
1935
1933
1935
1937
1937
1934
1935
1801-1892 (prepared); 1946 (element replaced)
1935
1935-1936