
Difference Engine No. 1
circa 1832
circa 1832
1829
1775-1799 (original); 1900-1907 (model)
1831
1820
1830 (original); 1967 (model)
1832
1830
1835
2000-100 BCE
1934
1820-1830
1820
1834
1834
1826
1821-1831
1955; 1830
1823
1825
1826
1831
1835
1893-4
1863-7
1821
1829
1816
1833
1831
1825-1835
1834
1829
1833
1830
1826
4000-2001 BCE
1829
1821
1823-1825
1819
1832
1824
1830-1835
1772 (original); 1919 (model)
1830
1826
circa 1821-1825
1830
1823