
Difference Engine No. 1
circa 1832
circa 1832
1831
1830 (original); 1967 (model)
1775-1799 (original); 1900-1907 (model)
1955; 1830
1863-7
1831
1832
1831
1893-4
2000-100 BCE
1832
1990-96
1705-1737
1870-1877
4000-2001 BCE
1832
1772 (original); 1919 (model)
1610; 1923
1642-1649 (original); 1883 (model)
1668; 1924
1936
2050-1750 BCE
1990-95
1798 (original); 1977 (model)
300 BCE; 1905-1915
1845-1964
1837-10
1831
1831
2000-100 BCE
1832
1883-01
1832
1730; 1967
1836-02
1872-08
1889-02
1831
circa 3000 BCE
1831
1831
1831-1832
1832
2000 BCE
1831
1832
1832
1832
1832