
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
circa 1861
1862
1872
1830 (original); 1967 (model)
1869
1870
1872
1861
1861
1934
circa 1868
1865
1867-1868
circa 1861
1867
1867
1872
1867
1865-1866
1863-7
1861-1866
1864
1872 (original); 1909 (model)
1862
1870
1893-4
2000-100 BCE
1870s
1865
1866
1955; 1830
1865
1873
1867
1872
1865
1934
1872
1870
1865
1839 (original); circa 1988 (replica)
1864
1705-1737
1888
1865
1873
1866-1870
4000-2001 BCE
1870