CHM Revolution

Date Introduced

1900 ca.

Photographer

Richards, Mark

Dimensions

3 3/4 x 151/2 x 3/4 in.

Credit Line

Courtesy of Gwen and Gordon Bell

Copyright Owner

© Mark Richards

Location

Japan

Keywords

Asia; Hand calculation; Mechanical calculation; Suan pan; Abacus

Object ID

B26.79

An intermediate Korean-style device between the Chinese suan pan and the modern Japanese soroban.