An introduction to the gravity-driven clocks in the forbidden city

Y. H. Chen, K. H. Hsiao, T. Y. Lin, H. S. Yan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Ancient timepieces are combinative products of science and technology, and they were communicated to China through importation during the 17 to 19 centuries. Clocks collected by Chinese emperors are elegant works and show the highest manufacture level. Regarding the gravity-driven clocks, the methods to apply gravity as a power source are ingenious. The development of power sources in timepieces and the communication of technology from Europe to China are introduced briefly. Four typical gravitydriven clocks are presented and divided into two types, driven by an outer force and by its own weight. Furthermore, structural analyses regarding the mechanisms of typical gravity-driven clocks are provided.

Original languageEnglish
Title of host publication2015 IFToMM World Congress Proceedings, IFToMM 2015
PublisherNational Taiwan University
ISBN (Electronic)9789860460988
DOIs
Publication statusPublished - 2015 Jan 1
Event14th International Federation for the Promotion of Mechanism and Machine Science World Congress, IFToMM 2015 - Taipei, Taiwan
Duration: 2015 Oct 252015 Oct 30

Publication series

Name2015 IFToMM World Congress Proceedings, IFToMM 2015

Other

Other14th International Federation for the Promotion of Mechanism and Machine Science World Congress, IFToMM 2015
CountryTaiwan
CityTaipei
Period15-10-2515-10-30

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • History

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