Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1870
1872
1879
1610; 1923
circa 1871
1872
1862
1834-1836
1862
1873
1875
1860
1874
circa 1861
1869
1775-1799 (original); 1900-1907 (model)
1839 (original); circa 1988 (replica)
1874
1870
1864
1870
1858
1858
1878
1858
1866-1870
1858
1772 (original); 1919 (model)
1858
1934
1870s
1878
1875
1801-1840 (original); 1901 (model)
1857
1872
1705-1737
1868
1870
1870-1880
1860-1880
circa 1880
1860
1862
1872
1857-1858
1870
1862
1875-1877