Blundell Rules Ltd.
||Donor's ID number for rule
in box: 5/8 in x 12 1/2 in x 2 in; overall: 3/8 in x 11 3/4 in x 1 3/4 in
The object consists of a slide rule and cardboard case. On the back of the slide rule is handwritten in ink "D.H. Carpenter".
Pre-computer: slide rule
Gift of Mike Konshak