Item quae erit ab quindecim pedibus ad pedes viginti, scapus imus in partes sex et semissem dividatur, earumque partium quinque et semisse superior crassitudo columnae fiat.
Also in those which shall be from fifteen feet to twenty feet, the lowest part of the shaft is to be divided into six and a half parts; and of those parts five and a half are to be the upper diameter of the column.
final_alignments\Vitruvius_Architecture_Book_3.json