Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1610; 1923
1920-1925
1929
1923
1940
1834-1836
1935
1925-1930
1925-1935
circa 1939
1940
1839 (original); circa 1988 (replica)
1920
1923
1936
1926-1932
1930-1939
circa 1920
1925
1923-07
1925-1926
1934-1935
1937
1921-1930
1936
1936
1940
1935
1990-96
1920
1933
1937
1934
1926
1942
1929
1936
1926
circa 1920
1943
1927
1929-1935
1931
1938 and 1951
1925-1935
1923
1935
1937-1938
1930-1940