![](http://www.alamy.com/thumbs/6/10ADFE2E-CEFA-4B36-88FF-421056B28DDB/EBBW2W.jpg)
old abacus on the vintage wooden table top
Size: 6016px × 4016px
Photo credit: © Yury Zap / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: abacus, board, calculate, calculator, device, equipment, mathematics, plank, stripe, table, timber, top, vintage, wooden