
Difference Engine No. 1
circa 1832
circa 1832
1801-1830
1801
1815-1825
1819
1800-1830
1829
1805
1821
1806
1820
1803-1828
1821-1831
1955; 1830
1826
1808
1805
1800-1830
1801-1830
circa 1800
1831
1807
1815
1893-4
1863-7
1808
1805-1815
1829
2000-100 BCE
1801-1830
1801-1830
1813
1801-1830
1801-1830
1820-1830
1810-1830
1808
1809
circa 1810
1829
1832
circa 1805
1801-1823
1812
1826
1831
1807
1815
1815
1810-1817