The system of fortification by wall and towers may be made safest by the addition of earthen ramparts.
Chapter V, Sec. 5 - De architectura (The Ten Books On Architecture) (~ 15BC) - Book I
The system of fortification by wall and towers may be made safest by the addition of earthen ramparts.
Chapter V, Sec. 5 - De architectura (The Ten Books On Architecture) (~ 15BC) - Book I