
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1920-1925
1952-3
1830 (original); 1967 (model)
1925-1935
1940
1925-1935
1928
1940
1923
1921-1931
1935
1927
1936
1926
1920
1930-1940
1938
1927
1936
1934
1668; 1924
1937
1930
1610; 1923
1925-1940
circa 1925
circa 1923
1926
1930s
1940
1927
1938
1920
1924
1940
1938
1938
1938
1935
1938
circa 1930
1940
circa 1920
1938-1940
1920
1935
1940
1936