Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1872
1870
1879
1872
1853-1857
1610; 1923
circa 1871
1862
1834-1836
1853-1857
1850-1860
1875
1860
1862
1871
1873
1874
1869
1839 (original); circa 1988 (replica)
1860
1775-1799 (original); 1900-1907 (model)
1874
1870
1850
1870
1864
1862
1858
1858
1878
1858
1866-1870
1858
1866-1870
1850-1857
1990-96
1934
1875
1857
1772 (original); 1919 (model)
1855
1858
1872
1801-1840 (original); 1901 (model)
1705-1737
1870s
1851
1878
1850-1870