The 2023 masonry or mass heater built by master plasterer Mitsuru Konuma (小沼充). 2.25m x1.35m, weighing 3 tons. The core is a fire brick frame, covered in a clay rich soil and plastered over. Very unusual construction in Japan.
https://hell.twtr.plus/media/ce43fcd1927f7218857796118c1b694919321c11d391728c72cf2f0cd416cca1.file
https://hell.twtr.plus/media/b4e23a016561ec11be21b83d021384d8e549060453dc4f57a9e9c218fbb37265.file
https://hell.twtr.plus/media/bd48d023cf76fa7329d3aa6a3d56ac14305d3ab0df1d39114149511cef93aba9.file
