Hsü pan
Hsü pan percussion board of China, suspended by a cord and used both as a curfew and to summon monks to meetings in monasteries. Ca. 75 by 46 cm. (30 by 18 in.) in size (142). Moule, A. C. “A List of the Musical and Other Sound-producing Instruments of the Chinese,” in Journal of the North China Branch of the Royal Asiatic Society, Vol. 39. London, 1908.