Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1953
1770
1780-1850
1948-1953
1934
circa 1832
1870
1935
1879
1949
1872
1853-1857
1955
1392
1917
1945
1976
1989
1978
1913
1862
1956
1950-1952
1936
1675-1679
1775-1785
1829
1776
1960s
1800-1820
1967
1897
1960
2000
1996
1913
circa 1919
1884
1850
1899
1728
2008-2010
1999-2001
1992
1940-1945
1956
1960
1785
1966