Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1872
1870
1872
1610; 1923
circa 1871
1834-1836
1875
1873
1871
1874
1869
1839 (original); circa 1988 (replica)
1874
1775-1799 (original); 1900-1907 (model)
1870
1870
1990-96
1875
1772 (original); 1919 (model)
1934
1872
1801-1840 (original); 1901 (model)
1705-1737
1870s
1870
1868
1872
1870
1874
1876
1876
2000-100 BCE
1870
4000-2001 BCE
1934
1870
1873
1870s
1955; 1830
1876
1870s
1870-1877
1871
1893-4
1870s
1871
1870
1869
1876