Difference Engine No. 1
circa 1832
circa 1832
1610; 1923
1847-1848
1846
1834-1836
1849
1829
1844
1842
1829
1840-1851
1775-1799 (original); 1900-1907 (model)
1829
1839 (original); circa 1988 (replica)
1840
circa 1848
1850
1831
1840
1831
1829-1851
1833
1772 (original); 1919 (model)
1838
1934
1838
1801-1840 (original); 1901 (model)
1705-1737
1851
1844
1838
1835
1830
1837
1846
2000-100 BCE
4000-2001 BCE
circa 1840
1843
1840-1850
1934
1830
1830-1850
circa 1840
1850
1849
1836
1851
1840
1844