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Abacus Vintage Soviet Ussr Wooden Calculator Russian Counting Old Wood Retro Acc:
$29.00
Abacus Vintage Soviet Ussr Wooden Calculator Russian Counting Old Wood Retro Acc
In a very good condition!The original product of the times of the USSR!All photos are up to date!
The abacus is a simple mechanical device (a counting board with bones) for performing arithmetic calculations; according to one version, they originate from the Chinese suanpan counting device, according to another, they are actually of Russian origin.
