
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1930-1939
1935
1942
1935
1938
1940
1938
1931
2000-100 BCE
1940
circa 1930
1942
1938-1940
1930-1931
1940
1938
1938
1932
1942
1932
1930
circa 1938
1937-1938
1931
1932
1938
1943
1935
1940
1938
1932-1942
1938
1938
1935
1938
1940
1937-1937
1935
1955; 1830
1937-1938
1943
1936
1934
1935
Before 1932
1932-1936
1934-1935
1934
1937