Sun slide rule
Hemmi Bamboo Slide Rule Company Ltd.
||Donor's ID number for rule
overall: 1/4 in x 6 1/4 in x 1 3/4 in; overall: 1/4 in x 5 7/8 in x 1 1/8 in
The name "John R. Coarman" is written inside the case. The object consists of the slide rule and case.
Pre-computer: slide rule
Gift of Mike Konshak