
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1925-1935
1920-1925
1940
1936
1940
1668; 1924
1920
1936
1935
1938
1830 (original); 1967 (model)
1923
1920-1930
1920-1930
1839 (original); circa 1988 (replica)
1925-1935
1925-1935
1952-3
1927
1931
1927
1927
1920
1924
1940
1938
circa 1930
1928
circa 1920
1924
1935
1940
1936
1920-1929
1938
1938
1932
1955; 1830
circa 1920
1940
1921-1931
1937-1937
1937-1938
1920-1940
1925-1928
1921-1930
1937
1931