
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1879
1862
1860
1839 (original); circa 1988 (replica)
1870
1885
1875
1872
1831
1870
1831
1858
1874
1869
1849
1853-1857
circa 1842
1847-1848
1846
1874
1829
1066; 1876
1878-1879
circa 1832
1872
1845-1855
1832
1845
1842
1856
1861
1861
1872-1880
1893-4
1934
1830
1879
1840
1880
1831-1870
2000-100 BCE
1861-1866
1864
1875-1885
1831-1870
1857-1870
1821-1850
1831-1870
1860-1880