Quodsi qui noluerit in id vitium incidere, medio cavo servato secundum orthostatas intrinsecus ex rubro saxo quadrato aut ex testa aut ex silicibus ordinariis struat bipedales parietes, et cum his ansis ferreis et plumbo frontes vinctae sint.
But if anyone does not wish to fall into this fault, let him keep the middle hollow behind the facings, and, on the inside, build walls two feet thick of red square stone or of baked brick or of lava, laid in proper courses, and let the facings be tied to these by iron clamps run in with lead.
final_alignments\Vitruvius_Architecture_Book_2.json