||Donor's ID number for rule
in box: 1/2 in x 6 1/2 in x 1 7/8 in; overall: 1/4 in x 5 7/8 in x 1 3/8 in
The object consists of a slide rule and carrying case. "LENNOX Industries Inc." is printed on the back of the slide rule and case.
Pre-computer: slide rule
Gift of Mike Konshak