
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1905
1770
1701-1800
1870
1879
1632-1640
1903
1870
1601-1850
1681
1952-3
1858
1690
1607-1653
1791
1895-1904
1775
1830 (original); 1967 (model)
1846
1801-1900
1885
1780-1850
circa 1861
1862
1815-1825
1771-1830
1700-1850
circa 1897
1898
1902
1875
1895-1905
1630-1642
1865-1866
1801-1838
1860
1898
1899
1858
1795-1805
1877-1897
1889
1880
1744-1774
1845-1855
1801-1900
1801-1830
1869
1829