Japanese Wooden Abacus Soroban Math Calculating Tool Vtg 1/4 Beads 27 Rows ST71 nishiji nuri The top cap is yellow

The top cap is yellow and silver with beige tassels

Kanji on the sake-daru: Sake

12 cm wide (include handles 13

Kiln imperfections on the bottom

It is carved traditionally of boxwood (but not exclusively) and is used for combing

Japanese Wooden Abacus Soroban Math Calculating Tool Vtg 1/4 Beads 27 Rows ST71 nishiji nuri The top cap is yellowJapanese 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 center is one unmarked stack used for decimal places for more complicated calculations. Many primary schools all over Japan