Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1872
1870
1872
1853-1857
1610; 1923
circa 1871
1847-1848
1862
1834-1836
1853-1857
1830 (original); 1967 (model)
1850-1860
1849
1862
1860
1873
1871
circa 1861
1869
1839 (original); circa 1988 (replica)
1775-1799 (original); 1900-1907 (model)
1860
circa 1848
1870
1850
1870
1864
1858
1851
1848
1858
1858
1866-1870
1858
1990-96
1866-1870
1862
1858
1855
1857
1801-1840 (original); 1901 (model)
1872
1934
1772 (original); 1919 (model)
1870s
1705-1737
1850-1870
1870
1851