Public domain
Ryogoku Bridge Repair Records, Vol. 31 [19] Ryogoku Bridge and Three Bridges Repair Records, No. 9: Eitai Bridge and Temporary Bridge Obstructions and Demolition, Completion Inspection, Ryogoku Bridge and Three Other Bridges Workboats and Town Firefighters, Waterway Inspections, Kōka 4 (1847)
From the collection of National Diet Library, Japan. Free to download, adapt and use — no permission needed.
Subjects
Credit line両国橋御修復書留 31巻 [19] 両国橋并三橋御修復書留九 永代橋并仮橋御目障共断向出来栄見分両国橋外三橋役船并町火消駆付水中改之類 弘化四未年. National Diet Library, Japan. Public domain.