Difference Engine No. 1
circa 1832
circa 1832
1610; 1923
1829
1821
1820
1829
1775-1799 (original); 1900-1907 (model)
1829
1831
1831
1833
1772 (original); 1919 (model)
1934
1705-1737
1819
1835
1830
1828
1821-1831
1825-1835
1823-1825
1822
1825
2000-100 BCE
4000-2001 BCE
1830
1863-7
1823
1820-1830
1870-1877
1830
1816
1823
1821
1830-1835
1893-4
circa 1820
1829
1821
1826
1830
1835
1829
1832
1820
1824
1823-1825
1835
1826
1826