Who developed the glass harmonica?

Benjamin Franklin
Nikola Tesla
Leonardo da Vinci
Henry Cavendish
The glass harmonica is a grater idiophone, developed by Benjamin Franklin in 1761, which has occupied a prominent position in the history of music, but is largely forgotten today. The instrument consists of differently sized, interleaved glass bells, which are stored on a common horizontal axis, which in turn can be rotated by a pedal in rotation.
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Benjamin Franklin
Nikola Tesla
Leonardo da Vinci
Henry Cavendish
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