Gukjo (literally meaning National ancestor) was a temple name given to one of the ancestors of King Taejo of Goryeo. The identity of this ancestor varied...

Hangul 태조(대)왕, 국조왕 Hanja 太祖(大)王, 國祖王 Revised Romanization Taejo(dae)wang, Gukjo-wang McCune–Reischauer T'aejo(dae)wang, Kukcho-wang Birth name Hangul 고궁...

front and rear of Singijeon rocket launcher modules, things at right are the front and rear of the munjong organ gun modules (Gukjo-orye-seorye, 1474)...

from the early Joseon Dynasty depicted in 《Sejong Silok》(世宗實錄) and the 《Gukjo-oyreui》(國朝五禮儀), there is only a ring for the scabbard and no bandon is depicted...

A hwacha manual from the Gukjo orye seorye (1474)...

launcher from the Huolongjing. Illustration of a hwacha manual from the Gukjo-oryeui (國朝五禮儀, Five Rites of State) An illustration of fire arrow launchers...

A hwacha manual from the Gukjo orye seorye (1474)...

모본왕 (慕本王) 6 Go Gung Go Eosu 고궁 (高宮) 고어수 (高於漱) 53–146 Taejo [the Great] Gukjo 태조[대]왕 (太祖[大]王) 국조왕 (國祖王) 7 Go Suseong 고수성 (高遂成) 146–165 Chadae 차대왕 (次大王)...

Korean historians had found the schematics added as an appendix in the book Gukjo Orye Seorye (국조오례서례; 國朝五禮序例) but did not realize what they were until the...

matchlock mechanism A hwacha assembly and disassembly illustration from the Gukjo Orye Seorye, 1474 Major developments: Matchlock firearms spread throughout...