
Difference Engine No. 1
circa 1832
circa 1832
1829
1668; 1924
1829
1830 (original); 1967 (model)
1955; 1830
1826
1833
1834
1832
1834
1834
1831
1830
1826
1831
1829
1893-4
1825
1825
2000-100 BCE
1863-7
1829
1772 (original); 1919 (model)
1826
1990-96
1824
1832
1830
1826
1832
1823-1825
1823
1829
1828
1870-1877
1823
1825
1830
1775-1799 (original); 1900-1907 (model)
1824
1830
1826
1831
1833
1930 (replica); 1834 (original)
1829
1829
1823-1825
1705-1737