CHM Revolution

Date Introduced

1800 ca.

Photographer

Richards, Mark

Dimensions

1/8 x 12 1/2 x 4 1/2 in.

Credit Line

Loan of Gwen and Gordon Bell

Copyright Owner

© Mark Richards

Keywords

Oughtred, William; Analog; Hand calculation

Object ID

B170.81

A carpenter's measuring rule with a slide rule in one arm.