Soroban

Satsumaya Abacus Co.

Japan

:

Satsumaya Abacus Co.

,

No date

.
First Edition.

18cm x 13cm. 16 pages, black and white illustrations. Illustrated wrappers.

A how-to guide for using an abacus.

Vertical creases. Very minor soiling and discolouration. Good Condition.