Ex his duobus signis circino decusatim describendum, et per decusationem et medium centrum linea perducenda ad extremum, ut habeatur meridiana et septentrionalis regio.
From these two points, two intersecting circles are to be described. Through the intersection and the centre of the circle first described, a line is to be carried through to the end so that the southern and northern quarters may be indicated.
final_alignments\Vitruvius_Architecture_Book_1.json