Keuffel & Esser 4088-3 Slide Rule Pat June 5, '00 Dec 22 1908 No Leather Case
$18.0
This antique Keuffel & Esser 4088-3 slide rule from December 22, 1908, is a valuable tool for engineering and scientific calculations. The device is in excellent working condition and comes with a patent date of June 5, 1900. It is a great addition to any collection or for those who appreciate vintage tools. Please note that this item does not come with a leather case.