Difference Engine No. 1
circa 1832
circa 1832
1853-1857
1610; 1923
1815-1825
1847-1848
1862
1846
1834-1836
1853-1857
1850-1860
1845-1855
1849
1844
1860
1862
1829
1842
1821
1820
1840-1851
1805
1829
1839 (original); circa 1988 (replica)
1860
1829
1775-1799 (original); 1900-1907 (model)
circa 1848
1850
1840
1864
1862
1848
1831
1840
1858
1858
1829-1851
1808
1858
1858
1850-1857
1990-96
1838
1838
1934
1857
1772 (original); 1919 (model)
1855
1858
1801-1840 (original); 1901 (model)