0" Castell Darmstadt Addiator Slide Rule. Slide Rule is a high-quality engineering tool originating from Germany. This slide rule comes with a durable plastic case and a manual, making it convenient for on-the-go use. With its precision calculations and sleek design, it is a valuable collectible for those interested in science, medicine, and engineering. The fact that it is made in Germany adds a touch of authenticity and craftsmanship to this functional and stylish tool. Ideal for both professionals and enthusiasts, this slide rule is a reliable and efficient resource for solving complex problems.


We are in estate company.  So may treasure from our estates that were the owners' treasures and looking for a new home, 
some awesome and unique items.

We try our best to be as detailed. but please feel free to ask
questions and in most cases, we can get you additional pics.

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