
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1872
1870
1853-1857
circa 1861
1872
1862
1875
1853-1857
1830 (original); 1967 (model)
1862-1863
circa 1871
1873
1860
1870
1874
1860
1874
1869
1839 (original); circa 1988 (replica)
1858
1775-1799 (original); 1900-1907 (model)
1871
1642-1649 (original); 1883 (model)
1858
1857
1858
1668; 1924
1862
1868
1990-96
1866-1870
1875 - 1969
1610; 1923
1875
1870
1772 (original); 1919 (model)
1858
1865-1870
circa 1860
2000-100 BCE
1863
1855
1872
1925; 1862
1874
1867
1858
1862
1872