Dngul dung (dung chen; telescoping trumpet)

Technical description: Silver conical bore horn in 4 telescoping sections, with 7 brass 'bracelets'; joints connected by silver rings and bracelets (section 3 has a false joint); hanging ring at bell end; shallow cup mouthpiece; bell diameter 118; mouthpiece diameter 42. Dung chen, literally, "great trumpet," are made from several different materials and are typically identified by association with those materials, including brass (rag dung), copper (zangs dung) and silver (dngul dung).