||Donor's ID number for rule
in box: 1 3/8 in x 13 1/8 in x 3 in; overall: 3/8 in x 12 1/8 in x 1 3/4 in
The object consists of a slide rule, carrying case, manual, and reference card, in an original box.
Pre-computer: slide rule
Gift of Mike Konshak