| Sub-Type | Slide Rules |
|---|---|
| Type | Engineering/ Surveying |
| Period | 1951 to Present |
| Material | Plastic |
| Country of Origin | Germany |
Check the listing for details. Castell Duplex Slide Rule and Case. Condition: Used, Made in Germany. Listed at 24.36 USD. The slide rule is part of the Collectables category, specifically the Scientific Collectables sub-category, and is ideal for those interested in Engineering & Surveying. With its sleek design and durable material, this slide rule is sure to impress.
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