Difference Engine No. 1
circa 1832
circa 1832
1610; 1923
1815-1825
1830 (original); 1967 (model)
1829
1821
1820
1829
1805
1829
1775-1799 (original); 1900-1907 (model)
1831
1831
1808
1990-96
1819
1772 (original); 1919 (model)
1705-1737
1820
1828
1830
1804-1807
1815
1821-1831
1822
circa 1810
2000-100 BCE
1832
1813
1814
1825
4000-2001 BCE
1826
1830
1807
1815
1955; 1830
1823
circa 1810
1808
1820-1830
1870-1877
1863-7
1830
circa 1808
1812
1823
1813
1816
1829