Scansorum autem machinae ita fuerunt conlocatae, ut ad altitudinem tignis statutis et transversariis conligatis sine periculo scandatur ad apparatus spectationem; at spirabile, cum spiritus ex expressionibus inpulsus et plagae vocesque organicos exprimantur.
Now scaling ladders are so arranged that when the uprights are placed to a height and cross-pieces are tied to them, men may safely ascend to inspect military engines. But we have wind instruments when moving air is driven forth by pressure, and musical beats and vocal sounds are uttered by instruments.
final_alignments\Vitruvius_Architecture_Book_10.json