Quae potui de aquae virtute et varietate, quasque habeat utilitates quibusque rationibus ducatur et probetur, in hoc volumine posui; de gnomonicis vero rebus horologiorum rationibus insequenti perscribam.
I have laid down in this volume what I could about the virtues and varieties of water, its uses, and how it is supplied and tested; in the next book I will deal with the making of dials and the theory of time-pieces.
final_alignments\Vitruvius_Architecture_Book_8.json