Partch, Harry. (1901 - 1974) Large Original Handmade Percussion InstrumentRare and important original handmade instrument from the American composer and instrument creator who was one of the first twentieth century composers to work extensively and systematically with microtonal scales. He wrote much of his music for custom made instruments that he built himself, tuned in 11 limit (43 tone) just intonation. Many of his instruments were acquired in 2014 by the University of Washington, Seattle and original examples are