------Program code: BC-081104-04616 (what's this?)
Source: CCTV.com
11-04-2008 12:16
![]() |
A copper clepsydra cast in 1316 is the earliest multiple-container water clock extant in China today.
![]() |
Editor:Yang
![]() |
A copper clepsydra cast in 1316 is the earliest multiple-container water clock extant in China today.
![]() |
Editor:Yang