
Difference Engine No. 1
circa 1832
circa 1832
1955; 1830
1831
1863-7
2000-100 BCE
1829
1832
1893-4
1830
1829
1833
1831
1772 (original); 1919 (model)
1830
1831
1775-1799 (original); 1900-1907 (model)
1833
1829
1829
1829
1705-1737
1828
1870-1877
1830
1832
1829
1830 (original); 1967 (model)
1832
1830
1990-96
4000-2001 BCE
1829
1936
300 BCE; 1905-1915
1828
1833
1774; 1923
1830
1642-1649 (original); 1883 (model)
1829
1832
1883-01
1832
circa 1829
1730; 1967
1836-02
1872-08
1889-02
1831
1833