Keuffel &‎ Esser Slide Rule w/ Leather Case Vintage K&E 307310 Darmstadt System

Unleash your inner engineer with this vintage Keuffel & Esser slide rule, a tangible piece of scientific history! This K&E 307310 Darmstadt System slide rule comes complete with its original leather case, bearing the iconic K&E logo. The slide rule itself features crisp, clear markings and a smooth-gliding cursor, inviting you to explore its intricate scales and unlock its mathematical potential. The leather case, while showing its age, offers a protective embrace, whispering tales of countless calculations performed within its confines. Imagine this slide rule as a captivating display piece in your home office, a conversation starter at your next gathering, or a unique gift for the science enthusiast in your life. Keywords: Keuffel & Esser, K&E, Slide Rule, Vintage Slide Rule, Darmstadt System, 307310, Engineering Tool, Calculating Device, Antique Math, Collectible, Leather Case, Vintage Instrument, Scientific Instrument Found at an estate sale, this item is being sold in the exact condition it was discovered in. It has not been taken apart or tested, it may require servicing. Please review the photos carefully and feel free to ask any questions before purchasing. Sold as-is. Used, condition is as pictured. Pictures are of actual item and comes as pictured. Buy with confidence as I am a veteran seller on many platforms.