Public domain
Collection of Seventy Volumes on Various Subjects, Vol. 71 [68], Section 67: Repair of Earthworks and Stone Walls from Kanda-bashi to Sakaibashi; Repair of Stone Walls and Water Channels Outside Yotsuya Gate and the Tamagawa Aqueduct
From the collection of National Diet Library, Japan. Free to download, adapt and use — no permission needed.
Subjects
Credit line七十冊物類集 71巻 [68] 六十七 神田橋より幸橋迄御土居石垣御修覆之部、四谷御門外玉川上水石垣樋御修覆之部. National Diet Library, Japan. Public domain.