
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1862
1860
1839 (original); circa 1988 (replica)
1870
1875
1872
1870
1858
1874
1869
1849
1853-1857
1847-1848
1846
1874
1066; 1876
1872
1856
1861
1861
1893-4
1934
2000-100 BCE
1861-1866
1864
1857-1870
1848
1858
1875
1850
circa 1860
1865
1867-1868
1849
1846-1859
1875
1853
1852
1955; 1830
1846
circa 1868
1850
circa 1861
1851
1870s
1642-1649 (original); 1883 (model)
1853
1854
1860