Colores vero alii sunt, qui per se certis locis procreantur et inde fodiuntur, nonnulli ex aliis rebus tractationibus aut mixtionum temperaturis compositi perficiuntur, uti praestent in eandem operibus utilitatem.
There are other coloured materials which occur in a natural state in certain places, and are dug up from mines. Yet others are composed of different substances and are treated and blended so as to serve the same purposes in buildings.
final_alignments\Vitruvius_Architecture_Book_7.json