- Collection of
- Edo-Tokyo Museum
- Title
- National Policy: Hot-water Bottle
- Collection ID
- 89200017
- Category
- Lifestyle and Folk Custom
- Sub Category
- Military Affairs
- Creation Date
- 1941～1945 20世紀
- Edo-Tokyo Museum Digital Archives
- https://www.edohakuarchives.jp/detail-3682.html
