RARE Antique Early 1900's Keuffel & Esser Co. Polyphase Slide Rule With Original
4.0 (22 items)
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Product details
| Management number | 18096604 | Release Date | 2025/10/07 | List Price | $171.00 | Model Number | 18096604 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
This vintage Keuffel & Esser Co. Polyphase Slide Rule is a collector's item, complete with its original case. Ideal for antique enthusiasts and engineers.
More information: https://www.mccoys-kecatalogs.com/KECollection/4053/ke4053_1.htm
• Keuffel & Esser Co. brand
• Polyphase Slide Rule model
• Comes with original case
• Wooden construction with measurement details
• Collector's item
Case shows signs of wear and tear; edges are frayed and color is fading.
Features:
• Made in USA
Excellent antique condition
| Category | Vintage & collectibles > Antique > 100 years or older |
|---|---|
| Size | N/A |
| Brand | Rare |
| Condition | Good |
Hot & Cold Therapy
100 years or older
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