A Environmental Investigation and a Restored Building of the Heating Greenhouse Early in the Joseon Dynasty

조선 초기 난방 온실의 복원과 환경 조사

A heating greenhouse early in Joseon Dynasty was restored to the estimated state by the document "sangayorok(1940)" Diagrams of a restored greenhouse was reported. This heating greenhouse is eldest in the world. Growing vegetables in a restored greenhouse the inner temperature and humidity was investigated. This greenhouse was identified as making grow possible.