Heavenly clockwork; the great astronomical clocks of medieval China, by Joseph Needham, Wang Ling and Derek J. de Solla Price.

xv, 253 p. :, 26 cm.

QB107 .N32 1960 c.2

Astronomy, Medieval -- Instruments., Astronomical clocks -- China -- History.

Cambridge :: Published in association with the Antiquarian Horological Society at the University Press, 1960.

Book