The Principal Tower of Nagoya Castle was restored on a large scale from 1752 to 1755. This paper evaluates and analyses the restoration process of the tower based on the drawings and specifications which have explained about the temporary constructions, such as: scaffolds and bridges that was built inner and outer of the tower. The historical materials that are connected to the plan of the temporary constructions as mentioned above as a large scale restoration might be limited, particularly in Edo Period. By this paper, those historical materials will be explained in detail.
