Book Chinese Bead Arithmetic
The Fundamental Operations in Bead Arithmetic – How to use the Chinese Abacus / Author unknown / Printed in Macau ~ Hongkong, China / Maybe around 1960~1980, no publication date or other publisher details included / 52 pages / Front cover with colors / Image shows (probably) Yichang Mao (Father of Mao Zedong) / Different variations of the cover image can be found for this print series
If you know more details about the publisher and year of print, please let me know in the comments!
August 14, 2024