
Difference Engine No. 1
circa 1832
circa 1832
1823
1829
2000-100 BCE
1833
1834
1829
1834
1834
1826
1826
1955; 1830
1825
1825
1832
1831
1831
1893-4
1863-7
1829
1826
1832
1830
1824
1826
1831
1775-1799 (original); 1900-1907 (model)
1833
1772 (original); 1919 (model)
1823-1825
4000-2001 BCE
1826
1826
1832
1990-96
1824
1830
1830 (original); 1967 (model)
1823-1825
1930 (replica); 1834 (original)
1829
1829
1829
1705-1737
1828
1870-1877
1990-95
1610; 1923
1831
1826