Russian merchant makes calculations by means of a small frame with small stones, engraving by Lemaitre, Vernier and Chaillot from Russie by Jean...
The Suan Pan is the oldest form of abacus still in use; numbers are set by moving beads up and down to touch the horizontal cross-bar. There are nine...
Replica, made in 1974, of a Roman hand abacus. The counters slide in grooves. Like the Japanese abacus the counters above the bar are worth five and...
Student from American schools in Japan practise abacus during the 27th annual abacus contest at the New Sanno Hotel on May 20, 2009 in Tokyo, Japan....
Six-year-old Thomas Mizen works on an abacus at Shenington CofE Grant Maintained School, today , which is one of the top 15 schools in the first-ever...
Man kneels holding an abacus in a shop which displays swords, armor, fans, and lacquer items. Japan, ca. 1880s-1890s.日本人
Waitress stands behind the counter ready to serve in a russian tea shop in Yalta, Crimea, with a abacus as a cash register. May 1960 M4000前蘇聯, 商店, 微笑
At an elementary demonstration school of Johns Hopkins University, students in Ms Ethel Brand Ford's first grade class sit at tables performing...學校建築, 巴爾的摩 - 馬里蘭州, 女孩
1920s 1930s CHINESE MAN USING ABACUS BOOKKEEPER ACCOUNTING ACCOUNTANT WORKER OFFICE SCRIBE FINANCE HONG KONG CHINA歸檔, 服務, 辦公室
People's Republic of Poland, Lesson in a primary school in Wroclaw, math lesson with abacus counting frame, teacher Anna Bochenska歸檔
People's Republic of Poland, Lesson in a primary school in Wroclaw, math lesson with abacus counting frame, teacher Anna Bochenska教育
People's Republic of Poland, Lesson in a primary school in Wroclaw, math lesson with abacus counting frame
The waitress counts using an abacus at a small restaurant in Teletskoye Lake. | Location: Teletskoye Lake, Russia, USSR.俄羅斯
Daniel Hillis, Vice President, Research and Development for Walt Disney, with a computer and abacus. | Location: Toluca Lake, Los Angeles,...
