Vintage K&E Keuffel Esser 4083-3 Log Duplex Vector Slide Rule Case and Box

Vintage Keuffel & Esser 4083-3 Log Duplex Vector slide rule with classic engineering scales. This collectible scientific instrument includes the leather protective case and box shown. Used in good pre-owned condition with wear consistent with age; please review photos for the cosmetic details. The box measures approximately 13 inches long, 3 inches wide, and 1.75 inches high, with an estimated weight of 0.6 lbs. A distinctive addition to a collection of vintage slide rules, engineering tools, or scientific instruments.