
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
1935
1934
1931
circa 1930
1935
1936
1932
1932-1936
1934-1935
1937
1937
1931
1933
1936
1935
1931
1935
1935
1934
circa 1930
1934
1931
1955; 1830
1932
1936
2000-100 BCE
Before 1932
1932
1930-1931
1937-1937
1933
1935
1935
1930
1933
1990-96
1930
1937
1933
1935