ORIGINAL Vintage USSR Soviet Russian Wooden Calculator Ambar Abacus

Description

ORIGINAL Vintage USSR
Soviet Russian
Wooden Calculator Ambar Abacus
Size:
height 18 cm (7 inch)
, width 12 cm (4.7 inch)
The Abacus is in very good condition as you see on pictures
The abacus (also called a counting frame) is 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. This one, however, was standard during the mid-1970s.
This abacus on offer is beautifully constructed and in good vintage condition, with a sturdy frame and counting beads, it will make for a nice learning tool or decor piece in your world!
The Russian abacus, the schoty (
счёты
), usually has a single slanted deck, with ten beads on each wire (except one wire, usually positioned near the user, with four beads for quarter-ruble fractions). The Russian abacus is often used vertically, with wires from left to right in the manner of a book. It is cleared when all the beads are moved to the right. During manipulation, beads are moved to the left.
As a simple, cheap and reliable device, the Russian abacus was in use in all shops and markets throughout the former Soviet Union, and the usage of it was taught in most schools until the 1990s.
See pictures carefully
The item will be despatched by  airmail carefully packed in box
within 3 working days after receipt of payment.
Combine shipping
Worldwide (International tracked package) - every item will have own tracking number
Average Delivery Time:
12-15 business days for Europe. 15-24 business days for America, Australia and  Asia.
Thanks for your bids!