Antique Japan Abacus - Soroban Wooden Calculating Tool

Description Small-size, old wooden Japanese abacus or soroban. This abacus was designed especially for merchants as nearly every row of beads is identified with digit markers, while normal Japanese abacus have digit markers only every 3 or 4 rows. This particular soroban was probably manufactured between 1850 and 1930. This date range can be inferred due to the number of beads it contains. Soroban manufactured in Japan before 1850 included a 2/5 bead combination (2

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