
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1872
1878-1879
1870
1879
1872
1875
1879
1830 (original); 1967 (model)
circa 1871
1873
1870
1874
1874
1869
1839 (original); circa 1988 (replica)
1878
1775-1799 (original); 1900-1907 (model)
1871
1642-1649 (original); 1883 (model)
1668; 1924
1878
1868
1990-96
1875 - 1969
1610; 1923
1875
1870
1772 (original); 1919 (model)
1877
1879
1877
2000-100 BCE
1872
1925; 1862
1874
1870-1880
1872
1881
1990-95
1875-1880
1934
1869
1872-1880
1880
circa 1880
1934
1801-1840 (original); 1901 (model)
1705-1737
1869