
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1952-3
1940
1830 (original); 1967 (model)
1925-1935
1925-1935
1928
1940
1935
1927
1936
1926
1930-1940
1938
1927
1936
1934
1937
1930
1925-1940
circa 1925
1926
1930s
1940
1927
1938
1940
1938
1938
1938
1935
1938
circa 1930
1940
1938-1940
1935
1940
1936
1934
1937-1937
1938
1938
1932
1955; 1830
1937-1938
1925-1928
1938
1932-1936
1934-1935