Slide Rule
Item
Title
Slide Rule
Description
Slide Rule and Leather Case wooden slide rule with plastic laminate made in U.S.A. Keuffel & Esser Co. N.Y. Initials H A are etched in both metal end brackets Reddish brown tanned leather cade has 4T5 handwritten in pen on the outside flap Harry Appelton Applied Science University of Toronto written on the inside of flap
Identifier
987.36.005
Format
Abstract
Excellent