
Phillip's Economic Computer
1949
1949
1935
1942
1952-3
1945
1830 (original); 1967 (model)
1951
1940
1946-1950
1940
1940-1950
1948-1950
1945
1935
1936
1946
1947
1943
1938
1944
1935-1945
1946; 1946
1940-1945
1948
1947
1936
1949
1950
1951
1937
1945
1940
1938
1947
1947
1940
1938
1948
1938
1938
1935
1938
1940
1946
1938-1940
1935
1940
1936
1937-1937
1950