
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1872
circa 1842
1870
1853-1857
1862
circa 1846
1847-1848
1872
1846
1830 (original); 1967 (model)
1845-1855
1860s
1875
1866
1801-1840 (original); 1901 (model)
circa 1868
1860
1851
circa 1871
1865
1873
1858
1860
1857-1870
1876
1845-1855
1862-1863
1851
1869
1874
circa 1848
1855
1849
1853-1857
1850-1860
1858
1775-1799 (original); 1900-1907 (model)
1849
1844
1845-1855
1864
1843-1853
1668; 1924
1871
circa 1868
1870s
1610; 1923
1870s
1874