Early Understanding of Arithmetic - Tenpo 15 (1844) - Edo Period Japan

Title: Early Understanding of Arithmetic (算法早合点), including many accompanying illustrations and instructions on how to use an abacus. Publication Year: Tenpo 15 (1844) Size: 8.75 x 6 inches Condition: Moderate damage to covers, inner pages stained but mostly intact. Japanese books are read right to left (instead of left to right) and are bound on the right side, contrary to those in Western languages. The pages may be double layered, and care must be taken to ensure that they do not separate when flipping through. The book must be stored in a cool, dry place away from direct sunlight and out of reach of bugs. A Certificate of Authenticity accompanies this item.