Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1870
1610; 1923
circa 1871
1862
1834-1836
1830 (original); 1967 (model)
1862
1871
circa 1861
1869
1839 (original); circa 1988 (replica)
1775-1799 (original); 1900-1907 (model)
1870
1870
1864
1866-1870
1866-1870
1990-96
1862
1934
1772 (original); 1919 (model)
1801-1840 (original); 1901 (model)
1870s
1705-1737
1870
1862
1868
1862
1870
1867
2000-100 BCE
1866
1870
1865-1866
1934
1863-1865
4000-2001 BCE
1862
1870
1870s
1955; 1830
1861-1866
1865
1870-1877
1865
1865-1866
1870s
1863-7
1871