Source Government and heritage records
茶道具（多言語解説文）
- Publisher
- mlit.go.jp tagengo-db (Japan Tourism Agency multilingual commentary database, per URL path; the PDF does not name the body)
- Kind
- Government and heritage records
- Accessed
- 2026-11-02
- Notes
- Winter bowls thicker and deeper to keep heat, summer bowls wider and shallower to cool; Chinese imports before 16th c., Korean ido bowls in early 16th c., Rikyū and Oribe.