This is a vintage slide rule, app. 11 inches long. Marked "SP Precision Sterling Slide Rule Made in U.S.A.". Comes with instructions & vinyl case.

Very good condition - minor wear; see all 9 pics

Items can be picked up in person at our office.

Our home is smoke free.

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Nice addition to your collection!

Please see our other listings.

International buyers: customs/duty charges are buyer's responsibility and are not included in shipping cost!

We will not falsify US customs documents.