
Phillip's Economic Computer
1949
1949
1942
1946
1945
1839 (original); circa 1988 (replica)
1949
1830 (original); 1967 (model)
1903 (original); 1982 (model)
1990-96
1943
1947
1948
1955; 1830
1949
1946
1944
circa 1942
1946-1948
1938 and 1951
1944-1945
2000-100 BCE
1943
1942
1945
1948
1946
1948
1942
1947
1946
1945
1948
1946
1949
1943
1948
1945-1948
1949
1948
1947
1948
1949
1801-1892 (prepared); 1946 (element replaced)
1948
1947
1947-1948
1946-1948
1942
1942-1945
1944