Lot · Slide Rules
Vintage Keuffel & Esser K&E Slide Rule No. 4080-3 with Original Case Made in USA
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Mon · Jul 20, 2026
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Condition
Used
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ZIP 325**
jusvau783
94 ratings · 100.00% positive
Description
From the sellerPerfect for collectors in the fields of engineering, science, and mathematics, this K&E slide rule is a piece of history. Almost dead straight. I think its mahogany. Case is cool. Has initials HRD.
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