Cum autem ex solidis rebus theatra constituuntur, id est ex structura caementorum, lapide, marmore, quae sonare non possunt, tunc echeis hae rationes sunt explicandae.
But when theatres are built of solids, that is of rubble walling, stone or marble which cannot resound, the use of bronze vases is to be followed.
final_alignments\Vitruvius_Architecture_Book_5.json