
Difference Engine No. 1
circa 1832
circa 1832
1801
1801-1830
1847-1848
1815-1825
1800-1830
circa 1846
1851
1819
1829
1835
1848
1852
1796-1798
1838
1805
1839 (original); circa 1988 (replica)
1849
circa 1848
1844
1845-1855
1821
1801-1840 (original); 1901 (model)
1846
1806
1850-1856
1845
1851
1793-1803
1849
1855
1840
1842
1853
1850
1837
1794
1837
1837
1820
1822-1840
circa 1854
1850
circa 1854
1803-1828
circa 1840
1839
1855
1795-1805 (original)
1821-1831