A Study on the Operation Mechanism of Ongnu, the Astronomical Clock in Sejong Era
Ongnu (Jade Clepsydra; also called Heumgyeonggaknu) is a water clock was made by Jang Yeong-sil in 1438. It is not only an automatic water clock that makes the sound at every hour on the hour by striking bell, drum and gong, but also an astronomical clock that shows the sun's movement over ti...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Korean Space Science Society (KSSS)
2011-03-01
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Series: | Journal of Astronomy and Space Sciences |
Subjects: | |
Online Access: | http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2011/v28n1/OJOOBS_2011_v28n1_79.pdf |