Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1870
1872
1872
1879
1853-1857
1610; 1923
circa 1871
1847-1848
1862
1834-1836
1862
1853-1857
1850-1860
1873
1875
1849
1860
1874
circa 1861
1869
1775-1799 (original); 1900-1907 (model)
1839 (original); circa 1988 (replica)
1874
circa 1848
1870
1850
1864
1870
1880
1858
1858
1878
1858
1866-1870
1858
1873
1847
1855
1772 (original); 1919 (model)
1858
1870s
1934
1850-1857
1878
1875
1801-1840 (original); 1901 (model)
1857
1930 (replica); 1834 (original)
1872