CHM Revolution

Date Introduced

1960 ca.

Photographer

Richards, Mark

Dimensions

2 1/2 x 15 1/4 x 3/4 in.

Credit Line

Courtesy Gwen and Gordon Bell

Copyright Owner

© Mark Richards

Location

Japan

Keywords

Asia; Hand calculation; Mechanical calculation; Abacus

Object ID

B1659.01

A modern Japanese abacus, with one bead above the bar and four below.