Item sunt ex aqua conquisitae ab eisdem scriptoribus horologiorum rationes, primumque a Ctesibio Alexandrino, qui etiam spiritus naturalis pneumaticasque res invenit.
The same writers have also sought the methods of making water-clocks; and first, Ctesibius of Alexandria, who also discovered the nature of wind-pressure and the principles of pneumatics.
final_alignments\Vitruvius_Architecture_Book_9.json