Apr 26, 2014

shop#72 Yamamoto Soroban

Soroban, Japanese abacus, is a classical calculator, which is one of the popular practices among children under 12 years old. Though the typical size is about 30 cm (12 inch), surprisingly the one next to the entrance door is 2 meter long (6 feet 7 inch long). There are more than 100 types of Soroban here.



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