Ammon (geometer)
Encyclopedia
Ammon was a geometrician who made a measurement of the walls of Rome, around the time of the first invasion of the Goths, that is, the 3rd century
, and found them to be 21 miles in circumference.
3rd century
The 3rd century was the period from 201 to 300 in the Christian/Common Era.In this century, the Roman Empire saw a crisis, marking the beginning of Late Antiquity. In Persia, the Parthian Empire was succeeded by the Sassanid Empire....
, and found them to be 21 miles in circumference.