
Phillip's Economic Computer
1949
1949
1934
1930-1939
1935
1949
1925-1935
1945
1942
1935
1938
1940
1926-1932
1938
1926
1926-1936
1931
2000-100 BCE
1945
1927
1947
1940
circa 1930
1942
1946
1938-1940
1930-1931
1940
1950
1938
1938
1932
circa 1950
1950
1948
before 1928
1940-1945
1940-1949
1942
circa 1950
1932
circa 1925
1927
1930
1928
1925
circa 1938
1925-1940
1937-1938
1925-1935
1931