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Science Museum Group Collection
© The Board of Trustees of the Science Museum
Soroban, Japanese abacus with coloured plastic beads.
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Soroban, Japanese abacus with coloured plastic beads in cardboard case.
Soroban, Japanese abacus with coloured plastic beads in cardboard case, 1975-1978. The soroban has 1 bead above the bar and 4 beads below. It is used for calculations in base 10. The soroban was developed from the Chinese abacus which had 2 beads above the bar and 5 below for working in base 16.
Soroban, Japanese abacus with coloured plastic beads.
Cardboard case for Soroban, Japanese abacus with coloured plastic beads.
