Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1870
1872
1610; 1923
circa 1871
1872
1834-1836
1873
1875
1874
1869
1775-1799 (original); 1900-1907 (model)
1839 (original); circa 1988 (replica)
1874
1870
1870
1878
1772 (original); 1919 (model)
1934
1870s
1878
1875
1801-1840 (original); 1901 (model)
1872
1705-1737
1868
1870
1872
1870
1875-1877
1874
1876
1870
2000-100 BCE
1867
1876
4000-2001 BCE
1934
1870
1873
1870s
1876
1870s
1870-1877
1870
1878
1867
1871
1875-1878
1867