
Phillip's Economic Computer
1949
1949
1830 (original); 1967 (model)
1949
1952-3
1949
1948
1955; 1830
1948
1948
1938 and 1951
2000-100 BCE
1948
1949
1949
1949
1948
1948
1948
1948
1839 (original); circa 1988 (replica)
1903 (original); 1982 (model)
1949
4000-2001 BCE
1948
1990-95
1949
1948
1949
1948
1948
1948
1949
circa 3000 BCE
pre-1948
circa 1948
1949
2000-1350
1950-1900
1948
circa 1949
pre-1948
1949
1972-3
2000-1000
1950-1920
1949
1948
1948
1948
1948