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Vintage Slide Rule Keuffel & Esser Co - Architect Slide Ruler - Model #4181-3 - Black Leather Case - NY - USA, made in 1947.

Antique Keuffel & Esser Co - No 4181-3 Architect Slide Rule - Made in NY, U.S.A.

With the exception of a small amount of rust on the curser frame and a name written on the side, this rule is in great condition with all numbers and measurements on the rule easily readable.

The slide rule measures 12 1/2 by 2 inches.

The leather case is in excellent condition with the exception of a name written on the inside flap. The case measures 13 1/4 by 2 3/4 inches.

Front scales: LLO2-LLO3-DF (CF-CIF-CI-C)D-LL3-LL2
Back scales: LLO1-L-K-A(B-T-SRT-S) D-DI-LLO1

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My other Vintage Shops on Etsy:

Vickie's Vintage Books - Classics - Cook Books - Children's Books and Records
https://www.etsy.com/shop/VickiesVintageBooks

Vickie's Vintage Prints and Book Plates at Vickie's Beach House
https://www.etsy.com/shop/VickiesBeachHouse

Antique Slide Rule Keuffel Esser Co Architect Drafting Slide Ruler 4181-3 Black Leather Case NY USA 1947

$85.00

Only 1 available


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