Difference Engine No. 1
circa 1832
circa 1832
1825
1829
1610; 1923
1815-1825
1834-1836
1805
1821
1820
1829
1775-1799 (original); 1900-1907 (model)
1829
1831
1831
1833
1772 (original); 1919 (model)
1934
1838
1930 (replica); 1834 (original)
1838
1705-1737
1819
1838
1833
1835
1830
1828
1837
1822
1821-1831
1823-1825
1825-1835
1804-1807
1813-1814
1825
2000-100 BCE
4000-2001 BCE
1802
1802
circa 1810
1813
1814
1834
1815-1825
1830
1807
1832
1834
1836
1863-7