The Keuffel & Esser K&E Doric 9068 pocket slide rule is a classic tool for engineering and mathematical calculations, made in the United States. This compact and durable slide rule comes with a protective case and is in full working condition, despite having some chips. It is a collectible item that holds historical significance in the field of engineering and mathematics. Perfect for enthusiasts or professionals who appreciate the precision and functionality of slide rules.

Fully functional. See pics. Some chips on the sliding component. Pictures