Heavenly clockwork; the great astronomical clocks of medieval China. - Needham, Joseph; Ling, Wang.; De Solla Price, Derek J. (Cambridge The University Press, 1960)
Su Sung; Clockwork; Astronomical clocks
Bibliography: p. 206-215. "Tables of Chinese characters": p. 216-229.
Keywords: Astronomical clocks --China --History.; Astronomy, Medieval --Instruments.