This rare vintage Faber-Castell slide rule is a must-have for any collector or enthusiast of engineering and science memorabilia. Made in Germany, it is a true testament to the quality craftsmanship of the era. The slide rule comes in its original case, adding to its authenticity and charm. With its unique design and functionality, this slide rule is sure to be a conversation starter.Its historical significance and collectible value make it a great addition to any collection. Don't miss out on the opportunity to own a piece of engineering history.