Cheonpyeongilgu 천평일구(天平日晷)
RO : Cheonpyeongilgu MC : Ch’ŏnp’yŏngilgu
Year : 1437
Categories : Scholarship·Science and Technology>Natural Sciences
UF :
Ch'ŏnp'yŏng Ilgu Portable Horizontal Water-level Sundial
RT :
Hyeonjuilgu Jeongnamilgu
BT :
Ilgu