
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1870
1879
1870
1830 (original); 1967 (model)
1858
1875
1865-1866
circa 1861
1862
1858
1860
1880
1869
1858
1853-1857
1849
1853
1865
1849
1854
1875
1877
1860
1870-1880
1867
1867
1856
1861
1861
1876
1878
1858
1872-1880
1893-4
1851
1934
1879
1880
2000-100 BCE
1861-1866
1864
1857-1870
1875
1860-1880
1855
1882
1870
circa 1868
1850-1856