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Lot #133: Vintage 1950s Keuffel & Esser Slide Ruler & leather case

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$1.00

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Vintage Keuffel & Esser (K&E) Log Log Duplex Decitrig slide rule, model N4081-3, with original brown leather carrying case. Copyright dated 1947, this slide rule was made between 1947-1952. This was a precision engineering calculator used by engineers, architects, and students prior to electronic calculators. Features metal end braces, multi-scale duplex design, and sliding cursor. Comes with the original leather case embossed with K&E logo. Case also marked with name of original owner from the estate. Shows age-related wear and patina consistent with use and storage (See photos). Pickup category timeslot {B}

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Only Available Pickup Date/Time: Sat, May 23 2026 Category A: 09:00 AM - 10:00 AM
Category B: 10:00 AM - 02:00 PM

Pickup Location:  Dorman Drive, Whitchurch-Stouffville, ON, L4A 8A7 View Map (opens in new window)


Bidding Starts:

Monday, May 11, 2026 at 9:00:00 PM UTC

Bidding Ends:

Friday, May 22, 2026 between 12:15:00 AM and 12:49:00 AM UTC

See individual items for exact closing times.

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