
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1839 (original); circa 1988 (replica)
1870
1875
1872
1870
1874
1869
1874
1066; 1876
1872
1893-4
1934
2000-100 BCE
1875
1867-1868
1875
1877
1955; 1830
circa 1868
1870s
1642-1649 (original); 1883 (model)
1867
1867
1876
1867
1870-1877
1876
1872 (original); 1909 (model)
1875
1870
1872
1873
1867
1872
1888
4000-2001 BCE
1934
1875-1877
1930 (replica); 1834 (original)
1872
1873
1705-1737
1873
1870
1830 (original); 1967 (model)
1870
1877
1870-1877
1925; 1862