The harmonichord (also known as the piano-violin, violin-piano and the tetrachordon) is a keyed instrument invented by Thomas Kauffmann in 1810. It resembles a piano in appearance and is played like a piano, but produces a sound like a violin. The tone is produced by the pressure of the keys which sets a revolving wooden cylinder covered with leath, and charged with rosin in action over the strings. Research Harmonichord
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Research Harmonichord
