Abstract
New Honmaru Palace was designed after old one. Section& Details Drawing and Elevation & Section Drawing or studied to clarify the relationship of the palaces in Koka and Manen Eras. Elevation & Section Drawings were found to be made on the key important buildings. Elevation & Section Drawings and Roof Plan around Otakamori woe made after the revision of Floor Plan with the clove of base line in Sectional Details Drawing in Manen Eras. It was also found that Elevation & Section Drawing of Mom& was made after change of the Floor Plan.
