Contracturae autem in summis columnarum hypotracheliis ita faciendae videntur, uti, si columna sit ab minimo ad pedes quinos denos, ima crassitudo dividatur in partes sex et earum partium quinque summa constituatur.
The contractions, however, in the topmost necking of the columns, it seems, should be so made that from the smallest dimension up to fifteen feet, the lowest diameter should be divided into six parts and the top should be of five of those parts.
final_alignments\Vitruvius_Architecture_Book_3.json