- July 9, 2026
- July 9, 2026The product is a Keuffel Esser planimeter manufactured in 1918. Planimeters are mechanical devices used for measuring the area of…
- July 9, 2026
- July 9, 2026
- July 9, 2026Antique K&E 7896-3 Solid Brass Oil Gauger's Plumb Bob 18 oz. Keuffel & Esser.
- July 9, 2026Well we can only imagine if this student went on to created some of the most exciting engineering marvels -…
- July 9, 2026Feel free to check out more Antique & Vintage Trade, Mercantile and Other Related Items in My Ebay Antique Shop.…
- July 9, 2026This slide rule is in very good functional condition and comes from a non-smoking home. The leather case has a…
- July 9, 2026This antique Keuffel & Esser 4088-3 slide rule, patented on June 5, 1900 and December 22, 1908, is a rare…
- July 9, 2026Up For Sale Is A Antique KEUFFEL & ESSER CO N.Y. Pat. June 5, 1900 Slide Rule 4053-2 Leather Case.…
- July 9, 2026In very good condition, comes with original case. Please refer to all photos
- July 9, 2026IN GOOD CONDITION.
