Sin autem curiosius videbitur fieri oportere, tegulae bipedales inter se coagmentatae supra rudus substrata materia conlocentur habentes singulis coagmentorum frontibus excelsos canaliculos digitales.
But if special care seems to be needed, tiles two feet square jointed together are to be laid upon the pavement of mortar, with small channels an inch deep on each side.
final_alignments\Vitruvius_Architecture_Book_7.json