
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1935
1935
1934-1935
1935
1839 (original); circa 1988 (replica)
circa 1925
1926
1927
1927
1924
1935
circa 1930
1928
1934
1935
1922
1932
1955; 1830
1925-1928
1921-1931
1925-1935
1921-1930
1925
1927-1929
1932
1929-1935
1928
1925-1935
1926
2000-100 BCE
Before 1932
before 1928
1932
1930-1931
1923
1925-1935
1931
1928
1924
1925-1927
1934
1931
1931
1927
1930
circa 1930
1933
1935