
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1935
1830 (original); 1967 (model)
1839 (original); circa 1988 (replica)
1952-3
1931
circa 1930
1935
1932
1955; 1830
1931
1930
1933
1933
1935
1934
1934
1931
1934-1935
1934
2000-100 BCE
1935
1930-1931
1934
1935
1935
Before 1932
1932
1931
1932
1935
1935
circa 1930
1930
1935
1933
1935
1930
1903 (original); 1982 (model)
1933
1933
1990-96
1801-1892 (prepared); 1946 (element replaced)
1932-1933
1934
1930
1930-1932
1930-1932
1930-1932