This is a vintage Keuffel and Esser Beginner's Slide Rule, model 4058W. Manufactured from 1943's, the 10" Mannheim type slide rule was constructed on a wood frame with a celluloid overlay laminated ruled surface. Glass curser with metal frame.
The rule is in very good vintage condition with little graphic loss, with wear at edges. The glass cursor is still clear with minimal chips and scratches. The top edge of the slide is marked: Pat.2.136.169, bottom of slide is marked Keuffel & Esser Co. N.Y.
Include black case (sheath) stamped "K & E", 4058W, Slide Rule. The case measures approximately 11 1/4" tall by 1 3/4" wide.
The scale set:
A = B CI C = D K
= S L T =