
Phillip's Economic Computer
1949
1949
1952-3
1949
1830 (original); 1967 (model)
1839 (original); circa 1988 (replica)
1950
1990-96
1950
1950
1950
2000-100 BCE
1949
1990-95
1949
circa 1950
1938 and 1951
1950
1950
1949
circa 1950s
1950
1949
1903 (original); 1982 (model)
circa 1950
1950
4000-2001 BCE
1960-1979
1949
2050-1750 BCE
1955; 1830
1949 - 1977
1950 - 2000
1798 (original); 1977 (model)
1879 (1956)
2000-1001 BCE
1949
1949
1949
1888; 1984
circa 1949
circa 1950
6000-5000BCE
1950
1949
circa 1949
1950
1949-02-01
1501-1600; 1972
1950 - 2000
circa 1950s