vintage wooden abacus in the classroom of a school

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Size: 5182px × 4222px
Photo credit: © FC_Italy / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: abacus, abacuses, ancient, antique, arithmetic, ball, ball-frame, balls, bead, beads, calculating, calculator, count, counting, frame, retro, small, vintage, wood, wooden