Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1872
1801
1999
1770
circa 1832
1949
1872
1967
1920-1950
1955
1920-1950
1847-1848
2019
1915-1925
1961-1962
1960-1970
1889
1902-1917
1830 (original); 1967 (model)
1849
1909-1910
1920-1950
1860
1880-1940
2013
1775-1785
1842
1925-1930
1870-1920
1889
1884-1900
1801-1838
1800-1820
1860-1896
1805
1760-1775
circa 1800
1960
1939-1955
1951-1953
1874-1902
1920
1901-1930
1926-1932
1941-1963
1886-1927
1858
1930-1939
1797