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| Movable metal type (printing) blocks were found inside a pot buried in the ground, along with other fragmented artifacts believed to be components for an automated water clock. Other relatively bigger relics were unearthed around the area, during an archaeological excavation expedition carried out in Insa-dong, central Seoul, from March to June, by the Sudo Research Institute of Cultural Heritage. The excavated artifacts are estimated to have been produced during the 1392-1910 Joseon Kingdom. Courtesy of Cultural Heritage Administration |
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| This photo shows fragments of "jujeon" ― a device that stores and releases small beads to operate a timer signal device of an automated water clock ― found inside an unearthed pot. The assembled form corresponds to the written record of "jujeon" described in "Sejong Sillok" (Records of King Sejong). The only information about it had been handed down through records until now. Courtesy of Cultural Heritage Administration |
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| This photo shows a bronze bell found in several small broken fragments. An inscription on the upper part of the bell indicates that it was produced in April 1535, during the reign of King Jungjong of Joseon. Courtesy of Cultural Heritage Administration |
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| This photo shows a total of eight "chongtong" ― small firearms ― excavated in pieces. Inscriptions engraved on the artifacts suggest one of them was produced in 1583 and others in 1588. It appears that the weapons were intentionally broken into pieces and then buried. Courtesy of Cultural Heritage Administration |
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| This shows the components of the "ilseongjeongsiui" ― astronomical clock ― unearthed next to the pot. The device was used as a sundial during the day and utilized to estimate time by observing constellations at night. The recovered fragments are believed to be the three rings on the top of the clock wheel. The record shows King Sejong made four such devices in 1437 but this is the first discovery of an actual relic. Courtesy of Cultural Heritage Administration |
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| This photo shows the site where researchers excavated a total of six "cultural layers," from the early Joseon period, when the capital was established, through to the modern era. One layer, three meters below the current surface, was the floor that held the unearthed metal artifacts, including movable metal type (printing) blocks. More than 1,800 historic artifacts have been excavated at this site, which was uncovered through a redevelopment project. Yonhap |
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| This photo shows the pieces of movable metal type (printing) blocks from the early Joseon era that were recently discovered and believed to have been created in 1434. About 1,000 pieces bear Chinese characters and the other 600 bear Hangeul characters ― Korean script. If confirmed, they would be the earliest known Hangeul metal type blocks. Currently, the oldest existing Hangeul metal type blocks are estimated to have been made between 1455 and 1461, during the reign of King Sejo. Courtesy of Cultural Heritage Administration |
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