Richborough Castle fighting moved north, Rutupiae became an increasingly large civilian settlement. There were temples, an amphitheatre (visible as a hummock in the grass 5 minutes walk from the main site), and a "mansio" (first built in 100, it was a building that went through several phases, being a hotel for visiting officials, bath house and administration building). As a port, the town always competed with Portus Dubris (modern Dover), about south along the coast. However, Richborough was widely regarded throughout the Roman Empire for the quality of its oysters. They are mentioned as on a par with those from the Italian
Roman numerals die) are known as a quincunx, from the name of the Roman fraction/coin. The Latin words ' and ' are the source of the English words "sextant" and "quadrant". Other Roman fractional notations included the following: A number of systems were developed for the expression of larger numbers that cannot be conveniently expressed using the normal seven letter symbols of conventional Roman numerals. One of these was the "apostrophus", in which 500 (usually written as "") was written as |, while 1,000, was written as | instead of "". This is a system of encasing numbers to denote thousands (imagine