Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1770
1910
circa 1832
1872
1949
1920-1950
1872
1920-1950
1801
1847-1848
1915-1925
2013
1960-1970
1902-1917
1800-1820
1849
1909-1910
1880-1940
1860
1920-1950
1842
1805
1870-1920
1884-1900
1775-1785
1889
1925-1930
1860-1896
1760-1775
1801-1838
1901-1930
circa 1800
1939-1955
1874-1902
1960
1920
1951-1953
1926-1932
1797
1886-1927
1941-1963
1999
1858
1785
1880-1930
1959
1901-1920
1924
1866-1870