Frederick Post Company
||Donor's ID number for rule
in box: 1/2 in x 12 5/8 in x 2 1/8 in; overall: 1/2 in x 12 in x 2 in
This object consists of a slide rule and its case. "BRANNEN" is written in pencil along the edge of the slide rule.
Pre-computer: slide rule
Gift of Mike Konshak