
Difference Engine No. 1
circa 1832
circa 1832
1829
1833
1829
1829
1832
1831
1830
1893-4
1863-7
2000-100 BCE
1831
1955; 1830
1832
1990-96
1830
1830 (original); 1967 (model)
1775-1799 (original); 1900-1907 (model)
1831
1833
1829
1705-1737
1828
1870-1877
1830
1832
1772 (original); 1919 (model)
1829
1829
4000-2001 BCE
1829
1830
1642-1649 (original); 1883 (model)
1990-95
1668; 1924
1976; 1776
1610; 1923
1830
300 BCE; 1905-1915
1701-1800
1929 (copy); 1702-1714 (original)
1889-02
1831
1829
1828
1831
1833
1829
1832
1883-01