Engineering:Semispherical drum

Semispherical drums are a class of membranophone that is characterized by its body, similar to a section of a sphere whose cut conforms the head. This group includes the timpani and the naqareh.

References

• "534m Membranophones". SIL. Archived from the original on July 10, 2006. https://web.archive.org/web/20060710200629/http://www.sil.org/lingualinks/anthropology/ExpnddEthnmsclgyCtgrCltrlMtrls/mMembranophones.htm. Retrieved January 4, 2007.