Vintage Japanese soroban abacus, featuring black lacquered wood beads and a solid hardwood frame. This traditional calculating tool follows the classic 1-over-4 bead configuration used in Japanese mathematics education.
The abacus includes a working reset button at the top, allowing all beads to be cleared instantly via an internal metal linkage—an efficient feature commonly found on mid-century school models.
-Approx 10.75” L x 3.5”W x 1” H
-Good vintage condition. Light surface wear to lacquer and wood consistent with age and use. Reset mechanism functions properly. No cracks or structural damage. All beads intact and slide smoothly.