The Hall of Heavenly Records. Korean Astronomical Instruments and Clocks 1380-1780.
Cambridge. Cambridge University Press. 1986. Black and white photographic illustrations, xxii + 201pp, index, bibliography. A very good hardback copy in like dustjacket. Contents include: Theoretical and Historical Background; The Re-equipping of the Royal Observatory under King Sejong; From Munjong to Yongjo (1450-1776); The Armillary Clock of Song Iyong and..... More