Mechanical Sciences
Mechanical Sciences
Mechanical Sciences
Articles | Volume 12, issue 2
Articles | Volume 12, issue 2
https://doi.org/10.5194/ms-12-891-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ms-12-891-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 12, issue 2
Research article
 | 
24 Sep 2021
Research article |  | 24 Sep 2021

Reconstruction designs of an early Chinese astronomical clock with a waterwheel steelyard clepsydra

Zeng-Hui Hwang, Tsung-Yi Lin, and Hong-Sen Yan

Viewed

Total article views: 2,789 (including HTML, PDF, and XML)
HTML PDF XML Total BibTeX EndNote
2,171 580 38 2,789 62 103
  • HTML: 2,171
  • PDF: 580
  • XML: 38
  • Total: 2,789
  • BibTeX: 62
  • EndNote: 103
Views and downloads (calculated since 24 Sep 2021)
Cumulative views and downloads (calculated since 24 Sep 2021)

Viewed (geographical distribution)

Total article views: 2,690 (including HTML, PDF, and XML) Thereof 2,690 with geography defined and 0 with unknown origin.
Country # Views %
  • 1
1
 
 
 
 
Latest update: 28 Oct 2025
Download
Short summary
The monk I-Hsing (621–727) was an outstanding astronomer and mathematician during the Tang Dynasty. He was the first person to use scientific methods to measure the length of the meridian. History records that the waterwheel drove his hydromechanical clock, and the time-reporting device could accurately tell the time. Therefore, his hydromechanical clock had a timing function and an escapement regulation device.
Read more
Share