Jeongnamilgu 정남일구(定南日晷)
RO : Jeongnamilgu MC : Chŏngnamilgu
Year : 1437
Categories : Scholarship·Science and Technology>Natural Sciences
UF :
Chŏngnam Ilgu Self-orienting Armillary Dial
RT :
Cheonpyeongilgu Hyeonjuilgu
BT :
Ilgu