
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1770
1701-1800
1870
1632-1640
1879
1690
1775
1601-1850
1681
1870
1501-1600
1846
1858
1607-1653
1791
1830 (original); 1967 (model)
1801-1900
1885
1862
circa 1897
1875
1630-1642
1865-1866
1780-1850
1898
1815-1825
1899
circa 1861
1858
1771-1830
1795-1805
1700-1850
1898
1801-1838
1860
1877-1897
1889
1880
1869
1829
circa 1900
1744-1774
1845-1855
1801-1900
1821
1879-1896
circa 1842
1554
1858