TY  - BOOK
AU  - Needham,Joseph
TI  - The Hall of Heavenly Records: Korean astronomical instruments and clocks, 1380-1780 
T2  - Monograph / Antiquarian Horological Society
SN  - 0521303680
PY  - 1986///
CY  - Cambridge [Cambridgeshire], New York
PB  - Cambridge University Press
KW  - Soun Kwan
KW  - Astronomical instruments
KW  - Korea
KW  - Sŏunʼgwan
KW  - History
KW  - Astronomical clocks
KW  - fast
KW  - Korean astronomical instruments, 1380-1780
KW  - Asia-General
KW  - Scientific instrument astro
KW  - Major, John
KW  - Clock (general)
KW  - Astronomy
N1  - Title on added title page: Chʻao-hsien "Shu yün kuan" Tʻien wen i chʻi yü chi shih chi (Chosŏn "Sŏunʼgwan" chʻŏnmun ŭigi yŏ kyesigi); Includes bibliographical references (pages 183-191) and index
ER  -