
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1780-1850
1903
1907
1879
1829
1853-1857
1846
1879-1896
1801-1900
1895-1904
1829
1875
1831
1858
1877-1897
1890-1910
1815-1825
circa 1861
1862
1885
1898
1850
1781-1790
1801-1900
1777-1785
1858
1869
1905
1791
1889
1795
1801-1900
1884
1900-1910
1897-1898
1900-1910
1870
1907
1952-3
1801-1830
1801-1900
1821
1872
1884-1900
1847-1848
1775
1830 (original); 1967 (model)
1849
circa 1900