A stchoty, Russian abacus, early 20th century.

Image number: 10325781

A stchoty, Russian abacus, early 20th century.

The stchoty has horizontal rows of beads rather than vertical as in the Japanese abacus. It is specifically for counting rubles and kopeks. The lower three rows are for the kopeks. The rest position is with all the beads to the right.

Image number:
10325781
Credit:
Science Museum/Science & Society Picture Library
Date taken:
20 October 2003 17:24
Image rights:
Science Museum