
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1930-1939
1935
1925-1935
1935
1938
1940
1926-1932
1938
1926
1926-1936
1931
2000-100 BCE
1927
1924
1940
circa 1930
1938-1940
1930-1931
1938
1938
1932
before 1928
1932
1927
1930
1928
1925
circa 1938
1925-1940
1937-1938
1925-1935
1931
1932
1938
1935
1928
1923-1939
1923
1940
1938
1938
1938
1935
1938
1940
1928
1937-1937
1935
1955; 1830