
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1872
1862
1870
circa 1871
1872
1858
1862
1860
1870
1870
1855
1873
1860
1858
circa 1860
1863-1865
1856
1861
1861
1893-4
1934
2000-100 BCE
1861-1866
1864
1870s
1857-1870
1871
1855-1870
1860
circa 1868
1610; 1923
circa 1861
1865
1867-1868
1955; 1830
circa 1861
1865
1867
1867
1859
1858
1858
1855
1856
1867
1865-1866
1858
1855-1860
1865