
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1925-1935
1935
1920-1925
1920-1930
1938
1926-1932
1938
1926
1926-1936
1931
2000-100 BCE
1927
1920
1924
circa 1930
1930-1931
1920
1938
1938
1932
before 1928
1920-1935
1932
1927
1930
1928
1925
circa 1938
1937-1938
1925-1935
1921-1930
1931
1932
1938
1935
1928
1923
1938
1938
1938
1935
1938
1928
circa 1920
1937-1937
1935
1922
1955; 1830