Experimental musical instrument including intonarumori ("intoners" or "noise machines"), to create "noises" for performance. Unfortunately, none of his original intonarumori survived World War II. Replicas are being made though. Léon Theremin was a Russian inventor, most famous for his invention of the theremin around 1919–1920, one of the first electronic musical instruments. The Ondes Martenot is another early example of an electronic musical instrument. The luthéal is a type of prepared piano created by George Cloetens in the late 1890s and used by Maurice Ravel in his "Tzigane" for luthéal and violin. The instrument can produce sounds like a guitar or a harmonica,
Institute of Musical Instrument Technology The Treasurer is Malcolm Smith FIMIT.(At November 2018) Institute of Musical Instrument Technology The Institute of Musical Instrument Technology is the main professional body for all musical instrument makers, tuners and repairers. It was inaugurated on 24 February 1938 and was incorporated on 13 March 1961. According to its website, the Institute is the only professional qualification covering the whole field of musical instrument technology. Sydney A Hurren was the founder of the Institute. Other distinguished members, past and present, include Sir James Jeans, Henry Willis III and Henry Willis IV, Sir James Blades, David Grover (Bentley Pianos), Matthias Stöckle