
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1879
1801-1830
1862
1860
1839 (original); circa 1988 (replica)
1870
1875
1831
1872
1870
1831
1874
1869
1853-1857
circa 1842
1846
1874
1858
1849
1847-1848
1829
1801
1066; 1876
1878-1879
circa 1832
1872
1845-1855
1832
1845
1800-1872
1842
1856
1861
1861
1872-1880
1893-4
1934
1805
1800
1812
1805-1815
1830
1879
circa 1808
1840
1880
1831-1870
2000-100 BCE
1800-1850