Friction idiophone
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Friction idiophones is designation 13 in the Hornbostel-Sachs system of musical instrument classification. These idiophones produce sound by being rubbed either against each other or by means of a non
Glass harmonica; sound produced by friction of the fingers against the rotating glass
Glass harp; sound produced by friction of the fingers rotating against the wine glass rims
Glass harmonica
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The glass harmonica, also known as the glass armonica, glass harmonium, bowl organ, hydrocrystalophone, or simply the armonica or harmonica is a type of musical instrument that uses a series of glass
Friction idiophone
…results in a series of beats cause by passing a stick over a notched surface; [whereas] friction is based on adhesion....On a higher level we find...the glass harmonica. 131.1 Individual friction sticks…
1900 illustration of a glass harmonica
A glass harp, an ancestor of the glass armonica, being played in Rome. The rims of wine glasses filled with water are rubbed by the player's fingers to create the notes.
A modern glass armonica built using Benjamin Franklin's design