
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1830 (original); 1967 (model)
1893-4
1934
2000-100 BCE
1872
1872 (original); 1909 (model)
1872
1955; 1830
1872
1873
1839 (original); circa 1988 (replica)
1873
1872
1934
1872
1888
4000-2001 BCE
1930 (replica); 1834 (original)
1705-1737
1873
1873
1642-1649 (original); 1883 (model)
1936
1990-95
1834-1836
1610; 1923
1925; 1862
circa 1871
1871
1960-1979
1873
1668; 1924
1783; 1914
1873
1873
1871
1871-1872
1871-1872
1871-1872
1871
1871-1872
1872
1871
1873
1871-1872
1873
1873
1873
1873