Koedam Pae Sang-yŏl ŭi chʻŏnmun kwa sŏnʼgi okhyŏng
Subtitle: Ponghwa ŭi inmul tʻamgu
By: [Chŏng Chin-ho, Yi Yong-sam, Yi Yong- bok ; yŏkkŭn kot Chʻŏngnyangsan Pangmulgwan].
Contributors: Yi, Yong-sam, 1950-; Yi, Yong-bok, 1950-; Chʻŏngnyangsan Pangmulgwan.
Publisher: Ponghwa-gun
Published: 2007
Place of publication: [Ponghwa]
Language: kor
Number of pages: 205
Subjects: Pae, Sang-yŏl, -- 1759-1789; Astronomical instruments -- Korea -- History; Astronomical clocks -- Korea -- History; Astronomy -- Korea -- History
Notes: Includes bibliographical references.