Japanese magnetic soroban

Abacus

Accession Number: 1994.14.7a-b

Description: Japanese magnetic abacus; 13 columns with 1 bead above the bar and 4 beads below; aluminum frame; bottom enclosed and made of steel; clear plastic covering on top; beads of beige plastic, round with a flat extension at the bottom; rods and bar are plastic; four (4) slightly raised dots served as markers along the bar to facilitate use by blind individuals; includes plastic sleeve labeled "magnetic soroban" for storage. (a) abacus (b) vinyl sleeve

Height: 2.5

Width: 7.7

Depth: 0.5

Date Made: [n.d.]

Place of Origin: Osaka, Japan

Collection: Gissoni Abacus Collection

History/Provenance: Gissoni Abacus Collection

Credit Line: Gift of Fred Gissoni, 1994.14

Subjects: Abacus Instructional aids, tools, and supplies Mathematical instruments Mathematics

Made: [Yamato Sangyo K. K.]

Material: Metal, plastic

Updated: 04/12/2012