
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1870
1879
1870
1858
1830 (original); 1967 (model)
1885
circa 1861
1862
circa 1897
1875
1865-1866
1860
1858
1877-1897
1889
1880
1869
1858
1879-1896
1888
before 1889
1870-1888
1854
1860
1895
1870-1880
About 1890
1856
1861
1861
1896
1896
1879
1857-1870
1886
circa 1885
1858
circa 1890
circa 1890
circa 1890
circa 1890
1896
2000-100 BCE
1875-1885
1882
1888
circa 1868
1890
1890