Glass harmonica
Type of musical instrument / From Wikipedia, the free encyclopedia
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"Armonica" redirects here. Not to be confused with Harmonica.
For the related instrument, see Glass harp.
For other uses, see Glass harmonica (disambiguation).
The glass harmonica, also known as the glass armonica, glass harmonium, bowl organ, hydrocrystalophone, or simply the armonica or harmonica (derived from ἁρμονία, harmonia, the Greek word for harmony),[1][2] is a type of musical instrument that uses a series of glass bowls or goblets graduated in size to produce musical tones by means of friction (instruments of this type are known as friction idiophones). It was invented in 1761 by Benjamin Franklin.