Kaiu Horuko's Soroban
Created by: Kaiu Horuko
First used by: Kaiu Horuko
Currently in the possession of: Unknown

Kaiu Horuko's Soroban was an abacus, made with a simple wood frame with a sun and moon design on opposite sides, strung with copper wires, set with small coral beads. A code wheel in the frame gave an advantage to its owner during trades. For many years it was lost in the Shadowlands. [1]


  1. Bearers of Jade, p. 58

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