CHM Revolution

Date Introduced

1950 ca.

Photographer

Richards, Mark

Dimensions

overall: 6 1/2 in x 1 in x 9 1/8 in.

Credit Line

Courtesy Gwen and Gordon Bell

Copyright Owner

© Mark Richards

Location

China

Keywords

Asia; Hand calculation; Mechanical calculation; Suan pan

Object ID

XB93.80

A small suan pan (Chinese abacus).