Quae autem ab triginta pedibus ad quadraginta alta erit, ima dividatur in partes septem et dimidiam; ex his sex et dimidiam in summo habeat contracturae rationem.
In the column which shall be from thirty to forty feet, let the lowest diameter be divided into seven and a half parts; of these let the column have six and a half at the top as the amount of contraction.
final_alignments\Vitruvius_Architecture_Book_3.json