||Donor's ID number for rule
overall: 1/4 in x 6 1/4 in x 1 7/8 in; overall: 1/4 in x 6 3/8 in x 1 1/2 in
The object consists of the slide rule and case. A name is scratched or burned into the case: "C.L. Rouault, P.E."
Pre-computer: slide rule
Gift of Mike Konshak