
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1862
1839 (original); circa 1988 (replica)
1870
1872
1869
1870
1066; 1876
1872
1642-1649 (original); 1883 (model)
1865
1867-1868
1955; 1830
1867
1867
1867
1865-1866
1893-4
1934
1863-7
2000-100 BCE
1864
1872 (original); 1909 (model)
1862
1870
circa 1868
1865
1866
1870s
1865
1862-1863
1872
1865
1867
1864
1872
1705-1737
1888
1865
1866-1870
4000-2001 BCE
1870
1865
1830 (original); 1967 (model)
1870
1934
1862-1866
1870-1877
1872
1865-1866