
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1879
1770
1780-1850
1801-1830
1903
1862
1860
1877-1897
1900-1910
1897-1898
1801-1900
1839 (original); circa 1988 (replica)
1905
1895-1904
1870
1712-1713
1885
1952-3
1783-1800
1701-1800
1801-1900
1875
1831
1701-1800
circa 1900
1872
1738-1777
1799-1802
1777-1785
1744-1774
1900-1910
1870
1701-1800
1880-1900
1831
1874
1869
1853-1857
1900-1910
circa 1842
1801-1900
1879-1896
1907
1846
1874
1858
1849
1760-1775
1889