01 / Nittoho Tatara
The only tatara furnace still fired today.A furnace master pulls out 2.5 tons of kera.
Nittoho Tatara stands on the former Yasukuni tatara site in Okuizumo. The Society for Preservation of Japanese Art Swords revived it in 1977. A furnace master, or murage, leads each firing. About 2.5 tons of kera come from one furnace, and the tamahagane sorted from it goes to swordsmiths nationwide.
- 1977: officially revived
- About 2.5 tons of kera per firing
- The murage is a certified holder of a national preservation technique

