Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1919
1903
1885 - 1930
1902-1917
circa 1910
1897-1898
1900-1910
circa 1915
1894
1897
1893
1900-1920
1897
1839 (original); circa 1988 (replica)
after 1903
1913
1914-1918
1899
1920
1895
1926-1932
circa 1920
1925-1926
1902
1895-1905
1934-1935
1990-96
1935
1895-1905
1934
1900-1920
1894
1890-1910
1913-1923
1900-1910
circa 1917
About 1890
1892-1920
1890
1901-1930
1920-1930
1890
1913-1923
1900-1911
1885-1894
c. 1933
1890-1920
1925-1935
1921