
Phillip's Economic Computer
1949
1949
1942
1952-3
1945
1830 (original); 1967 (model)
1946-1950
1948-1950
1945
1946
1947
1943
1948
1947
1949
1950
1944
1946; 1946
1945
1947
1947
1948
1946
1950
1955; 1830
circa 1950
1950
1948
1949
1946-1950
1950
1943
circa 1950
1948
1948
1946
1943
1948
1950
1949
1946
1944
circa 1942
1946-1948
1944-1945
1946
2000-100 BCE
1942
1950
1942
1941-1950