Hemmi Bamboo Slide Rule Company Ltd.
||Donor's ID number for rule
in box: 1/2 in x 11 1/2 in x 1 1/2 in; overall: 3/8 in x 11 in x 1 1/4 in
The object consists a slie rule and a box. Printed on the box is "U.S. BLUE CO., CHICAGO".
Pre-computer: slide rule
Gift of Mike Konshak