
Difference Engine No. 1
circa 1832
circa 1832
1829
1829
1832
1831
1955; 1830
1893-4
1863-7
1830
1829
2000-100 BCE
1831
1829
1832
1772 (original); 1919 (model)
1990-96
1830
1830
1831
1775-1799 (original); 1900-1907 (model)
1830 (original); 1967 (model)
1829
1829
1829
1705-1737
1828
1870-1877
1830
1832
4000-2001 BCE
1828 - 1903
1832
1807 - 1904
1889-02
1831
1829
1829
1850-1899
1828
1831
1774; 1923
1830
1642-1649 (original); 1883 (model)
2000-100 BCE
1829
1832
1883-01
30
1-79 CE; before 1914
1829