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Japanese Abacus

L.E. Jones

This 10″ abacus is made of plastic, with a dark brown frame and brown coloured beads. It is a 1/4 abacus, meaning that there is one bead at the top and four at the bottom of the dividing septum. There are 21 columns of beads, thus, 105 beads in total.
This abacus was packaged in a sliding box with a red cover and was accompanied by an instruction booklet in English printed in Japan.

Accession Number: 2010.lej.42

Alternative Name:

Primary Materials: Plastic

Markings:

Old Inventory Number = 42.
“The League of Japan Abacus Associations” is inscribed in gold on the abacus’ flat side.

Dimensions (cm): Height = 1.5, Width = 6, Length = 30

Function: Facilitating calculations

Condition: Item is in very good condition.

Associated Instruments:

Manufacturer:

Tomoe Soroban Co. Ltd., Shinjuku-ku, Japan

Date of Manufacture: c. 1950-80

Provenance:

From the personal collection of L. E. Jones.

Additional Information and References:

Historical Notes:

For more information about the Tomoe Soroban Co, its products
and the history of the Japanese abacus, or Soroban, please refer to http://www.soroban.com/whats_soroban_eng.html

In good working condition and without signs of wear and tear.

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