Unshu soroban is a type of abacus made in the towns of Nita and Yokota in Nita rural district, Shimane prefecture.
The traditional handcraft methods are still upheld and the abacus is produced with care from selecting the materials to the end. The materials are all completely natural and birches mainly come from Tochigi, Gunma, Saitama, or Iwate prefecture or distylium racemosum from Kagoshima prefecture are used to produce the beads.
The frame is crafted with ebony, Macassar ebony or special reinforced plywood, while the rods are crafted with processed bamboo or soot colored bamboo.
General Production Process
1. Beads production
2. Rods making
3. Frame assembling
4. Frame strenthening
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