Lawrence Engineering Instruments
||(not on object)
||Donor's ID number for rule
overall: 3/8 in x 8 3/8 in x 1 1/4 in
The object consists of a slide rule and case. The case has a label that reads "Sold by Laboratory Specialties Co., 130 S. Wabash St. Wabash, Indiana".
Pre-computer: slide rule
Gift of Mike Konshak