
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1879
1839 (original); circa 1988 (replica)
1870
1885
1875
1872
1870
1874
1869
1874
1066; 1876
1888
1878-1879
1872
1872-1880
1893-4
1934
1879
1880
2000-100 BCE
1875-1885
1886
1875
1867-1868
1875
1884
1877
1955; 1830
1886
1882
circa 1885
1888
circa 1868
1870s
1642-1649 (original); 1883 (model)
1870-1880
1867
1867
1879
1876
1878
1867
1870-1881
1870-1877
1870-1880
1876
1872 (original); 1909 (model)
1875
1884