Tunc a centro diducto circino ad lineam planitiae aequilatatio signetur, ubi erit littera e sinisteriore parte et i dexteriore in extremis lineis circinationis.
Then extending the compasses from a let a line be drawn parallel to the level surface, with the letter e on the left side and the letter I on the right side of the circumference,
final_alignments\Vitruvius_Architecture_Book_9.json