Phillip's Economic Computer
1949
1949
1853-1857
1775
1936
1909-1910
circa 1900
1923
1720
1983
1838
1761-1762
1837
1650-1665
1970
1941
1800-1872
1930-1960
1781-1790
1752
1752
1900-1909
1762
1762
1835
2014
1920-1925
1867
1770-1780
1934-1935
1920-1960
1512-1553
1900-1933 (model); 1869 (original)
1972-1974
1960-1979
1980-1985
1914-1934
1938
1845-1964
1931
1915-1925
1909-1919
1722-1740
1980-1982
1895-1900
1719-1733
1780-1850
1908-1916
1910-1921
1883