Difference Engine No. 1
circa 1832
circa 1832
1853-1857
1610; 1923
1847-1848
1846
1862
1834-1836
1853-1857
1862
1850-1860
1845-1855
1849
1844
1860
1829
1842
circa 1861
1829
1840-1851
1869
1860
1829
1839 (original); circa 1988 (replica)
1775-1799 (original); 1900-1907 (model)
1840
circa 1848
1850
1864
1851
1831
1862
1858
1848
1840
1858
1831
1858
1829-1851
1858
1990-96
1850-1857
1845-1855
1833
1838
1934
1838
1772 (original); 1919 (model)
1855
1857
1858