
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1875
1869
1830 (original); 1967 (model)
1872
1870
1872
1867-1868
1875
1955; 1830
1875
1867
1867
1872
1867
1893-4
1934
2000-100 BCE
1872 (original); 1909 (model)
1875
1870
circa 1868
1866
1870s
1872
1873
1867
1839 (original); circa 1988 (replica)
1874
1873
1872
1705-1737
1888
1873
1870
1866-1870
4000-2001 BCE
1870
1870
1934
1870-1877
1930 (replica); 1834 (original)
1874
1873
1668; 1924
circa 1870
1868
1990-95
1642-1649 (original); 1883 (model)
1610; 1923