
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1879
1969-1970
1903
1603
1862
1920-1925
1935-1965
1919
1900-1910
1905
1839 (original); circa 1988 (replica)
1885
circa 1972
1925-1958
1951
1956
1872
2013
1953
1880-1920
circa 1900
1957
1945
1947-2003
1858
1949
1760-1775
1906-1959
1889
1880-1950
1847-1848
c.1912
1907
1874
1801-1899
1775
1888
1788
1862-1912
2004
1900-1960
1893-4
1934
1850-1897
1902-1907
1896
1660