Circular slide rule
Object consists of slide rule, carrying case, and manual. "Lafayette" is written as a brand or model name on the slide rule.
||Embossed on case and printed on slide rule
||Donor's ID number for rule
in box: 1/4 in x 4 3/8 in x 4 1/2 in; overall: 3/8 in x 4 in x 3 7/8 in
Gift of Mike Konshak