id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
hom-29	Chun, Youngsin; Jeon, Sang-woon	Chugugi, Supyo, and Punggi: Meteorological instruments of the 15th century in Korea	2005	12	.pdf	application/pdf	3424	170	67	The Chugugi and Chugudae preserved in Korea Chugugi Chugudae Photograph Original Location Location (at present) CE 15 th century Missing Granite 61x92x58 cm (without inscription) Seoul, Korea KMA, Seoul, Korea CE 1770 Missing Granite 46x37x37 cm (inscription on two sides) Taegu, Korea KMA, Seoul, Korea CE 1782 Missing Marble 30.3x45.3x45.5cm (inscription on four sides) Seoul, Korea National Palace Museum of Korea, Seoul Korea CE 1811 Missing Granite 44x43.8x43.8 cm (inscription on one side) Sci., Japan, 66 (1963): 49-58 (In Japanese); Sang-woon Jeon, Science and Technology in Korea (Cambridge, Mass.: MIT Press, 1974), 112-19; Sung-sam Kim, “Comments on the Chinese claim for the invention of rain gauges,” Korea J. (July 1990): 22-32.	cache/hom-29.pdf	txt/hom-29.txt