
Difference Engine No. 1
circa 1832
circa 1832
1832
1831
1955; 1830
1893-4
1863-7
2000-100 BCE
1833
1831
1832
1772 (original); 1919 (model)
1990-96
1831
1775-1799 (original); 1900-1907 (model)
1830 (original); 1967 (model)
1833
1705-1737
1870-1877
1832
4000-2001 BCE
1832
1807 - 1904
1889-02
1831
1850-1899
1831
1833
1774; 1923
1642-1649 (original); 1883 (model)
2000-100 BCE
1832
1883-01
1833
30
1-79 CE; before 1914
1833
1833
1832
1824 (original); 1891 (model)
1991-1783 BCE
5000-500 BCE
1894-05
1833
1867-04
1864-05
1864-04
1864-10
1870-10
1867-04
1865-05