Vintage Keuffel & Esser Co. Slide rule in leather case with magnifier. The item "Vintage Keuffel & Esser Slide Rule WithLeather Case 4053-3 NIB" is in sale since Tuesday, December 12, 2017. This item is in the category "Collectibles\Science & Medicine (1930-Now)\Engineering\Slide Rules".
The seller is "majoni123" and is located in Lagrangeville, New York. This item can be shipped worldwide.