Vintage Frederick Post Slide Rule No 1457 Mannheim Trig Keuffel & Esser
4.0 (104 items)
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Product details
| Management number | 923074 | Release Date | 2025/07/07 | List Price | $60.90 | Model Number | 923074 | ||
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A unique addition to any collection, this vintage Keuffel & Esser slide rule from the 1900s offers historical value and functionality, complete with an original leather case and box.
• Vintage slide rule
• Original leather case
• Original box included
• Keuffel & Esser Co.
• Patent date: June 5, 1900
Box shows slight wear with minor scuffs and edges fraying. Slide rule in excellent vintage condition. Tab on case has detached on one side.
Measurements: 12 inches
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closet
Size: 12 in
Condition: Pre-Owned Good
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