Nestler 0130 Multimath Duplex Pocket Slide Rule. This is a powerful, top-of-the-line pocket slide rule, with 28 scales. The slide rule is in new condition, still in its original shrink wrap, never opened.Also included is the original white plastic reference table insert, also in new condition. The original leather case is also included. The leather case is nearly pristine, and has very minor scratches visible only upon close inspection. The instructions have unfortunately been lost over the years. Please ask if there are any questions. The item "Nestler 0130 Multimath Duplex Pocket Slide Rule. (Rechenstab)" is in sale since Thursday, October 31, 2019. This item is in the category "Collectibles\Science & Medicine (1930-Now)\Engineering\Slide Rules". The seller is "slide_rule_alley" and is located in Baton Rouge, Louisiana. This item can be shipped worldwide.