Vintage wooden abacus

The chinese abacus, with representation of the number 37, 925, is a traditional method of mathematical calculation. On each rod, there are 5 balls representing one unit and 2 balls representing 5 units, separated by a central bar. It allows you to perform all 4 operations. This abacus is formed by a rectangular frame with rods on which balls slide. Did you know that abacus were still used in french schools until the 19th century Perfect condition, despite the trials of time. Vintage.

Ref. : FY4HWU23