
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
1934
1875
1877
circa 1868
1867
1867
1876
1865-1866
1875
1870
1865
1875
1955; 1830
1865
1866
1865
1870-1877
1876
1872 (original); 1909 (model)
1642-1649 (original); 1883 (model)
1867-1868
1867
1893-4
2000-100 BCE
1870s
1872
1867
1872
1888
1865
1934
1875-1877
1930 (replica); 1834 (original)
1873
1870
1877
1865-1866
1705-1737
1866-1870