Phillip's Economic Computer
1949
1949
1853-1857
1775
1909-1910
1936
2014
circa 1900
1923
1720
1838
1983
1761-1762
1837
1650-1665
1800-1872
1941
1930-1960
1781-1790
1970
1752
1752
1900-1909
1762
1762
1835
1890 - 1910
1790-1819
1775-1800
1901-1930
1890 - 1910
1960s
1960s
1953
1925
1867
1770-1780
1934-1935
1920-1960
1512-1553
1972-1974
1900-1933 (model); 1869 (original)
1960-1979
1980-1985
1845-1964
1915-1925
1938
1931
1914-1934
1895-1900