Japanese Wooden Abacus Soroban Math Calculating Tool Vtg 1/5 Beads 15 Rows ST67 ranma Kanji on the bottom: Stone

Kanji on the bottom: Stone Buddha

Packed weight: 216 grams

Osa Matsuri  Rengo Jichikai

Itto(18L)sakedaru (no cork)

It has a lovely caramel brown glossy varnish that accentuates the wood's grain

Japanese Wooden Abacus Soroban Math Calculating Tool Vtg 1/5 Beads 15 Rows ST67 ranma Kanji on the bottom: StoneJapanese 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 Japan