Lumen autem hypaethri constituatur sic, uti quae altitudo aedis a pavimento ad lacunaria fuerit, dividatur in partes tres semis et ex eis duae partes <semis> lumini valvarum altitudine constituantur.
The opening of the doorway is to be so determined that the height of the temple from the pavement to the panels of the ceiling is to be divided into parts, and of these 2 in height are to be fixed for the opening of the folding doors.
final_alignments\Vitruvius_Architecture_Book_4.json