Difference Engine No. 1
circa 1832
circa 1832
1610; 1923
1815-1825
1829
1821
1820
1829
1829
1775-1799 (original); 1900-1907 (model)
1831
1831
1808
1990-96
1934
1772 (original); 1919 (model)
1819
1705-1737
1833
1820
1828
1830
1825-1835
1821-1831
1835
1815
1822
2000-100 BCE
1832
circa 1810
1813
4000-2001 BCE
1814
1825
1807
1826
1830
circa 1810
1955; 1830
1815
1823
1820-1830
1808
1870-1877
1863-7
circa 1808
1830
1812
1823
1816
1813