In quadris autem tignorum posterioribus, quo loci sunt divaricata, figuntur chelonia, in quae coiciuntur sucularum capita, ut faciliter axes versentur.
On the back faces of the timbers where they separate, socket-pieces are fixed, into which the ends of the windlasses are put, so that the axles may turn easily.
final_alignments\Vitruvius_Architecture_Book_10.json