Template:Motd/2011-04-30 (en)

The Terpodion or Uranion is a Piano keyboard instrument, it works on the same principle as the Glass Harmonica or the Clavicylinder friction for producing the Sound.

 Template:Motd/2011-04-30

This is the English translation of the Media of the day description page from 30 April 2011.

Descriptions in other languages:

• Motd/2011-04-30 (en)
• Motd/2011-04-30 (zh-hans)