Slide Ruler - Open Box

The Slide Ruler is a collectible engineering tool from China that has a unique design for precise calculations. This open box ruler is perfect for those interested in science and engineering from the mid-20th century onwards. Its functional yet aesthetically pleasing design makes it a valuable addition to any collection of slide rules or engineering tools.

Condition: Used · Seller: kylesonlinemarket · 100.0% positive · 1613 ratings

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