‹‹‹ Vitr. 10.13.4 | Table of Contents | Vitr. 10.13.6 ›››
5That the greatest tower that is constructed may be one hundred and twenty cubits high, and twenty-three and a half wide, diminishing at the top one fifth of its base; the upright piece one foot at bottom, and half a foot at top. The large tower is made with twenty floors, and to each floor there is a parapet of three cubits, covered with raw hides to protect it from the arrows.
5His larger tower, he adds, was one hundred and twenty cubits high and twenty-three and one half cubits broad, diminishing like the other to one fifth less; the uprights, one foot at the bottom and six digits at the top. He made this large tower twenty stories high, each story having a gallery round it, three cubits wide. He covered the towers with rawhide to protect them from any kind of missile.