
Difference Engine No. 1
circa 1832
circa 1832
1846
1838
1850
1835
1838
1805
circa 1846
1851
1847-1848
1829
1836
1825-1835
1806
1845
1851
1849
1840
1842
1850
1837
1837
1852
1834-1844
1837
1820
1822-1840
1850
circa 1840
1839
1843
1821-1831
1849
1841
1837
1840-1845
1839
1850
1838
1808
1809
circa 1810
1835
1837
1847
1834
1829
1832
1834
1834