
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1839 (original); circa 1988 (replica)
1923
1938
1920
1938
1938
1935
1938
1928
1922
1932
1955; 1830
1914-1918
1915-1918
1918
1913-1923
1936
1914-1918
1935
1932
1926
1918
1925-1928
1914
1934
1915-1925
1915
1918
1914-1920
1914-1918
1915-1917
1920-1929
1916-1917
1914
1916
1935
1927-1929
1920-1925
1917
1935
1915
1938 and 1951
1929-1935
1925-1935
1926
1936
1915
2000-100 BCE
1914