
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1770
1870
1879
1775
1870
1846
1858
1791
1830 (original); 1967 (model)
1801-1900
1885
1862
circa 1897
1875
1865-1866
1780-1850
1898
1815-1825
1899
circa 1861
1858
1771-1830
1795-1805
1898
1801-1838
1860
1877-1897
1889
1880
1869
1829
circa 1900
1744-1774
1845-1855
1801-1900
1821
1879-1896
circa 1842
1858
1853-1857
1801-1830
1801-1900
1849
1780
1884-1900
1847-1848
1775
1822
1829