Angbu-ilgu

Angbu-ilgu is a concave sundial shaped like a hemisphere and was first made 16 years' rule of King Sejong (1434). That was composed of the hour lines, the seasonal lines, sibanmyeon, Yeoungchim and the horizonal surface.

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 앙부일구 <仰釜日晷> ::: 대교학습백과 :::
 Hemispherical sundial with a central gnomon point  Kotsana's Museum

Category:Clocks