Difference Engine No. 1
circa 1832
circa 1832
1610; 1923
1847-1848
1846
1834-1836
1845-1855
1849
1844
1842
1840-1851
1775-1799 (original); 1900-1907 (model)
1839 (original); circa 1988 (replica)
1840
circa 1848
1850
1831
1840
1831
1833
1845-1855
1855
1772 (original); 1919 (model)
1934
1838
1801-1840 (original); 1901 (model)
1838
1705-1737
1844
1851
1852
1838
1835
1837
1846
1855
2000-100 BCE
4000-2001 BCE
1843
circa 1840
1840-1850
1854
1934
circa 1840
1850
1849
1836
1863-7
1844
1851
1840