Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1872
1910
1872
1610; 1923
1889
1909-1910
1893
1889
1884-1900
1895-1905
1874-1902
1870
1898
1897
1895-1905
1886
c.1912
1801-1840 (original); 1901 (model)
1705-1737
1889
1886
1877-1902
1870
circa 1880
1868
circa 1885
c.1912
1890
1885-1894
1903 (original); 1982 (model)
1870
1876
1874
1877-1897
1871-1900
1875-1885
1909
1884
1900
1901-1911
c.1912
1875-1885
1889
1873
1890-1900
1870
1898
1890-1910
before 1889