
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1879
1829
1853-1857
1846
1829
1875
1850
1831
1858
circa 1861
1862
1885
1858
1869
1889
1872
1884
1847-1848
1830 (original); 1967 (model)
1870
1849
1870-1888
1872
1895
1842
1853
1854
1837
1837
1886
circa 1861
1835
1847
1867
1867
1885-1894
1872
1890
1859
1842
1888
1879
1876
1878
1858
1894
1855
1865-1866
1848-1852