Storytelling Cultural Heritage
- Dasan Jeong Yak-yong (정약용) studied 'Illustrated Explanations of Marvelous Machines,’ which was endowed by King Jeongjo. New construction equipment that reduced labor and maximized labor power was made. A crane customized to fit the conditions of the Joseon Dynasty, and the potter's wheel made from a wheel and a pulley were such examples. / The Jagyeokru Stirking Clepsydra of Deoksugung Palace is National Treasure No. 229. It is an automatic water clock. King Sejong wanted to acquire time for ourselves, and Jang Yeong-sil developed a new observational tool through much effort. The love for the people completed Joseon’s automatic time signal equipment that rung at every hour.