
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1875
1869
1830 (original); 1967 (model)
1870
1872
1872
1872
1876
1870-1877
1876
1872 (original); 1909 (model)
1875
1870
1875
1955; 1830
1934
1875
1877
1893-4
2000-100 BCE
1870s
1873
1872
1874
1873
1705-1737
1934
1875-1877
1872
1839 (original); circa 1988 (replica)
1870
1870
1877
1870-1877
1870
1874
1930 (replica); 1834 (original)
1888
1873
4000-2001 BCE
1873
1668; 1924
circa 1870
1877
1990-95
1610; 1923
circa 1871
1869
1642-1649 (original); 1883 (model)