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Chinese abacus counting frame

Chinese abacus counting frame, a calculating tool that was in use in Europe, China and Russia, centuries before the adoption of the written Hindu-Arabic numeral system. The exact origin of the abacus is still unknown. Today, abacuses are often constructed as a bamboo frame with beads sliding on wires, but originally they were beans or stones moved in grooves in sand or on tablets of wood, stone, or metal.. Abacuses come in different designs.
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Title:
Chinese abacus counting frame
Caption:
Chinese abacus counting frame, a calculating tool that was in use in Europe, China and Russia, centuries before the adoption of the written Hindu-Arabic numeral system. The exact origin of the abacus is still unknown. Today, abacuses are often constructed as a bamboo frame with beads sliding on wires, but originally they were beans or stones moved in grooves in sand or on tablets of wood, stone, or metal.. Abacuses come in different designs
Credit:
Album / World History Archive:
Releases:
Model: No - Property: No
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Image size:
4636 x 4524 px | 60.0 MB
Print size:
39.3 x 38.3 cm | 15.5 x 15.1 in (300 dpi)
Keywords:
20TH CENTURY ABACUS BAMBOO BEAD CALCULATING MACHINE CALCULATING CALCULATOR CHINSESE COUNT COUNTING FRAME MATH MATHEMATICS METAL ROCK ROCKY STONE STONES TABLET TOOL WIRE WOOD