
Phillip's Economic Computer
1949
1949
1942
1952-3
1945
1940
1830 (original); 1967 (model)
1940
1946
1945
1949
1948
1940-1945
1947
1938
1947
1946; 1946
1943
1944
1945
1938
1947
1947
1940
1938
1938
1938
1938
1940
1940
1938
1938
1940-1945
1948
1946
1943
1948
1938
1949
1946
circa 1942
1939
1946-1948
1946
1940
1948
1942
1955; 1830
1948
1944
1938 and 1951