
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1879
1770
1780-1850
1801-1830
1903
1862
1860
1877-1897
1839 (original); circa 1988 (replica)
1905
1897-1898
1895-1904
1870
1801-1900
1885
1952-3
1875
1872
1783-1800
1799-1802
1777-1785
1801-1900
1831
circa 1900
1880-1900
1831
1858
1874
1869
1849
1760-1775
1889
1853-1857
circa 1842
1870
1801-1900
1847-1848
1907
1879-1896
1907
1846
1874
1801-1899
1829
1775
1801
1066; 1876
1751-1800
1903