
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1839 (original); circa 1988 (replica)
1923
1922
1920-1929
1931
1930
circa 1930
1925
1928
1927
1924
circa 1930
1931
1927
1933
1922-1923
1922-1923
1922-1923
1922-1923
1921-1926
1925
1920-1930
1931
1920
1921-1931
1925
1928
1931
1920
1928
1932
1924
1921-1930
1927
1925-1928
1930-1931
1955; 1830
1927-1929
1927
1926
1921
1920-1929
1920-1930
1923
1934
1924-1927
1934
1932
1926