Cum ibi vena forte inveniretur, nihilo-minus uti argentum persequebantur; itaque antiqui egregia copia silis ad politionem operum sunt usi.
but when a vein of ochre happened to be found, they worked it no less than silver. Hence the ancients used a large amount of yellow in their frescoes.
final_alignments\Vitruvius_Architecture_Book_7.json