Vintage Keuffel & Esser Slide Ruler K&E Leather Case Concise

Once upon a time, this vintage slide rule was the essential tool for engineers and mathematicians, guiding them through complex calculations. Encased in a classic leather sleeve, it carries the wisdom of days past, ready to inspire the next generation of thinkers. A relic of precision and craftsmanship, it beckons the curious. • Includes protective leather case • Durable slide construction • Compact design for portability • Classic engineering tool • Clear, readable markings • Precision-crafted components Slide rule length = 7 inches Condition: Pre-Owned Good in good condition, shows normal wear, no major damages! "Power Selling Mom Consignment"