Engraved image of a pneumatic organ on the tomb of Rusticus,Rome,4th century AD. The organ was a popular musical instrument in Ancient Rome and the hydraulis,or water organ,was the original version. Air was displaced by water that was pumped into a jar to sound the variously pitched pipes. The hydraulis was gradually replaced by the pneumatic or air-powered organ,in which the hydraulic mechanism was changed to a bellows system operated by hand or feet | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Terry, Sheila |
Taille de l’image : | 3420 px × 5131 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |