Heavenly clockwork
Subtitle: the great astronomical clocks of medieval China
By: Joseph Needham, Wang Ling, and Derek J. de Solla Price.
Contributors: Ling, Wang.; Price, Derek J. de Solla 1922-1983.
Edition: 2nd ed. with suppl. by John H. Cambridge
Series: Antiquarian Horological Society monograph
Place of publication: Cambridge ; New York
Number of pages: 266
Subjects: Astronomical clocks -- China -- History.
Notes: Includes bibliographies and index.

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