Ea ratione si per id centrum, quo loci perductum est lorum, utraque capita circumaguntur, longior pars ampliorem, brevior minorem agit circinationem.
By this means when the two arms of the yoke turn about the centre at which the thong is placed, the longer part describes a greater circle, the shorter arm a less.
final_alignments\Vitruvius_Architecture_Book_10.json