- Collection of
- Edo-Tokyo Museum
- Title
- Protractor, Full Circle
- Collection ID
- 90360636,90365288-90365292
- Category
- Lifestyle and Folk Custom
- Sub Category
- Transportation and Commerce
- Creation Date
- 19世紀
- Materials/Collection
- Akagi Kiyoshi Collection
- Edo-Tokyo Museum Digital Archives
- https://www.edohakuarchives.jp/detail-57193.html
