Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1940
1834-1836
1935
1936
1935
1934
1940
1839 (original); circa 1988 (replica)
1936
1937
1934-1935
1936
1940
1935
1933
1936
1937
1934
1936
1937-1938
1938
1935
1938 and 1951
1934
1935
c. 1933
1937
1938
2000-100 BCE
1938-1940
1940
4000-2001 BCE
1937
1935
1935
1934
circa 1940
1941
1933
1938-1939
1934
1940
1938
1937-1938
1938
1934-1940
1935
1939