K&E 4081-3 Vintage Slide Rule with Leather Case, Patented 1947
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Product details
| Management number | 27041797 | Release Date | 2025/12/18 | List Price | $44.99 | Model Number | 27041797 | ||
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| Category | |||||||||
The 1947 Keuffel & Esser slide rule, model 4081-3, is a highly collectible mathematical instrument that exemplifies precision and craftsmanship. This durable wood slide rule with metal cursor is well protected by its original leather case, making it ideal for engineers or collectors. Proudly made in the USA, it features a patent-pending design.
Key features:
- Material: Wood with metal cursor
- Includes original leather case
- Made in the USA
- Patent pending design
The leather case shows minor wear, and the slide rule has light scratches from use. The ruler measures 12 inches from top to bottom. This vintage school supply is in good condition and priced at $74.99. Category: Office > School Supplies > Rulers.
| Category | Office > School Supplies > Rulers |
|---|---|
| Size | N/A |
| Brand | None |
| Condition | Good |
Gifts $75 - $100
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