
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1879
1862
1860
1839 (original); circa 1988 (replica)
1870
1875
1872
1870
1858
1874
1869
1849
1853-1857
1847-1848
1846
1874
1066; 1876
1878-1879
1872
1845-1855
1845
1856
1861
1861
1872-1880
1893-4
1934
1879
1880
2000-100 BCE
1861-1866
1864
1857-1870
1860-1880
1848
1858
1875
1850
circa 1860
1865
1867-1868
1849
1846-1859
1875
1853
1884
1852
1877
1955; 1830