Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1872
1910
1872
1610; 1923
1902-1917
1889
1899-1919
1909-1910
1860
1893
1870-1920
1889
1884-1900
1860-1896
1895-1905
1874-1902
1870
1920
1873-1920
circa 1920
1862
1898
1858
1901-1920
1897
1895-1905
1866-1870
1886
c.1912
1866-1870
1857
1801-1840 (original); 1901 (model)
1705-1737
1889
1886
1880-1920
1877-1902
1870
1862
circa 1880
1868
1870-1920
1915
circa 1885
c.1912
1890
1885-1894
1903 (original); 1982 (model)
1870