Hydraulis

Hydraulis How to tune a Roman water-organ (hydraulis)?
How to tune a Roman water-organ (hydraulis)?
How does a hydraulis work?How does a hydraulis make sound?What was the hydraulis organ powered by?What was the hydraulis used for?How does a hydraulis...
Hydraulis Hydraulis instrument
Hydraulis instrument
Hydraulis, earliest known mechanical pipe organ. It was invented in the 3rd century bc by Ctesibius of Alexandria, culminating prior attempts to apply...