Lot · Slide Rules
Frederick Post 1447 Slide Rule w/ Case Vintage Engineering Rule Made in USA
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Mon · Jul 20, 2026
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Condition
Used
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Refurbished
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ZIP 331**
paro7356_x2yjz26uis
693 ratings · 100.00% positive
Description
From the sellerVintage Frederick Post 1447 slide rule, made in the USA, complete with original Post-branded case. A classic engineering/student slide rule featuring: • A, B, C, D, CI, K scales • Trigonometric scales (S, T, L) • Clear cursor with hairline • Reference tables on reverse ✅ Clean, well-preserved example ✅ Original case included ✅ Smooth slide and functional cursor Condition: Very good vintage condition. Light wear consistent with age. Scales are crisp and easy to read. Case in solid condition with minor surface wear.
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