Japanese Wooden Abacus Soroban Math Calculating Tool Vtg 1/5 Beads 13 Rows ST60 tansu Packed weight: 951 grams

Packed weight: 951 grams

There is damage to the slide panel

Some stains on the board

A beautiful bottle with a brown and black glaze

This is a Japanese vintage wooden lacquer serving tray or Obon

Japanese Wooden Abacus Soroban Math Calculating Tool Vtg 1/5 Beads 13 Rows ST60 tansu Packed weight: 951 gramsJapanese Soroban Abacus Calculator Tool This is a vintage Japanese abacus, or soroban. It is a mathematics calculating tool and is considered the first calculator in Japan. The Japanese abacus is different from the parent Chinese version. It has a top section of single beads and a bottom of stacked beads, usually five. At the very center is one unmarked stack used for decimal places for more complicated calculations. Many primary schools all over