
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1870
1879
1870
1858
1830 (original); 1967 (model)
1846
circa 1861
1862
1865-1866
1860
1875
1858
1880
1845-1855
1869
1849
1858
1853-1857
1847-1848
circa 1842
1854
1837
1860
1842
1870-1880
1842
1845-1855
1845
1842
1856
1861
1861
1879
1840
1857-1870
1837
1845
1850
1848
1858
1850
1837
circa 1860
1853
1865
1867-1868
1849
1846-1859
1875