Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1610; 1923
1929
1923
1940
1834-1836
1935
1935
1928
1925-1930
1925-1935
circa 1939
1934
circa 1925
1940
1839 (original); circa 1988 (replica)
1923
1936
1930-1939
1926-1932
1925
1923-07
1925-1926
1930-1940
1937
1934-1935
1927-1928
1936
1936
1940
1935
1990-96
1933
1934
1937
1926
1927
1929
1926
1936
1927
1929-1935
1931
1938 and 1951
1935
1925-1935
1923
1934
1935