
Difference Engine No. 1
circa 1832
circa 1832
1819
1829
1835
1821
1820
1821-1831
1955; 1830
1826
1833
1831
1835
1825-1835
1893-4
1863-7
1829
2000-100 BCE
1820-1830
1834
1829
1832
1834
1834
1826
1831
1934
1821
1830
1816
1825
1829
circa 1821-1825
1821
1821
1832
1772 (original); 1919 (model)
1826
1990-96
1823
1824
1830
1830-1835
1830 (original); 1967 (model)
1830
1775-1799 (original); 1900-1907 (model)
1835
1835
1820
1826
4000-2001 BCE