Heavenly clockwork ; the great astronomical clocks of medieval China /

Bibliographic Details
Main Author:	Needham, Joseph, 1900-1995
Format:	Book
Language:	English
Published:	Cambridge : Published in association with the Antiquarian Horological Society at the University Press, 1960.
Series:	Monograph (Antiquarian Horological Society) ; no. 1.
Subjects:	Astronomical clocks. Clock and watch making > China.