Sold2021Keuffel and Esser 4090 Universal Slide RuleKeuffel & Esser (K&E) 4090 universal slide rule, PN 19-19-19-19-19-19. Marked "Keuffel & Esser Co. N.Y., Pat. Oct. 6, 1891". Comprised of two-sided white celluloid coated mahogany, black metal framedSee Sold Price
Sold2021KEUFFEL & ESSER CO NO. 461294 SLIDE RULEKEUFFEL & ESSER CO NO. 461294 PAT. APRIL 1'24 | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITH VINTAGE WEAR -DAMAGED CASE (SEE IMAGES)See Sold Price
Sold2021KEUFFEL & ESSER POLYPHASE CO NO. 4053-3 BOX CASE BKEUFFEL & ESSER CO NO. 4053-3 BOX CASE BOOKLETS POLYPHASE | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITH VINTAGE WEAR -GREAT GREEN LSee Sold Price
Sold2021KEUFFEL & ESSER CO 4081-3 LOG LOG DEPLUX DECITIRIGKEUFFEL & ESSER CO 4081-3 LOG LOG DEPLUX DECITIRIG WITH CASE PATS; 2500460, 2168056,2170144,2285722, 2422649 | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTINGSee Sold Price
Sold2021KEUFFEL & ESSER CO 4081-3 LOG LOG DEPLUX DECITIRIGKEUFFEL & ESSER CO 4081-3 LOG LOG DEPLUX DECITIRIG WITH CASE PATS; 2500460, 2168056,2170144,2285722, 2422649 | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTINGSee Sold Price
Sold2021KEUFFEL & ESSER CO 4061 6" SLIDE RULEKEUFFEL & ESSER CO 4061 6" | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITH VINTAGE WEAR -CASE (DAMAGED) -HS5721See Sold Price
Sold2021KEUFFEL & ESSER CO. NY NO. 4002-3 SLIDE RULEKEUFFEL & ESSER CO. NY NO. 4002-3 SLIDE RULE pAT jUNE5'00, DEC 22 '08, APRIL1 '24 | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITH VINSee Sold Price
Sold202110 Keuffel & Esser Slide RulesTen (10) Keuffel & Esser (K&E) Slide Rules. 1st item: K&E 4061 Polyphase Duplex slide rule. Comprised of two-sided celluloid coated mahogany, with frameless glass cursor with plastic edges held togethSee Sold Price
Sold20227 Keuffel & Esser Slide RulesSeven (7) Keuffel & Esser (K&E) duplex slide rules, including two (2) 4160 Chemist's slide rules; one (1) N4081-5 20" Log Log Decitrig slide rule; one (1) 68-1200 Log Log Duplex slide rule; one (1) 40See Sold Price
Sold2022Keuffel & Esser Slide Rule and AnotherA Keuffel & Esser Co., New York mahogany slide rule, first half 20th century, raised on small cast iron feet, fitted into an ebonized case, together with a similar German slide rule in a teak wood casSee Sold Price
Sold2021Keuffel & Esser slide rule & gradient tool, both inKeuffel & Esser slide rule & gradient tool, both in case. In the slide rule the name "Lewis" is scratched in the center bottom, it has serial, or model number 4087T,small brown stain spots throughoutSee Sold Price
Sold2023Vintage Keuffel & Esser Slide Rule In Leather CaseDESCRIPTION: Vintage Keuffel & Esser Co. log log duplex decitrig slide rule featuring marks for calculating various mathematical functions from arithmetic to trigonometry to algebra. Includes orange lSee Sold Price
Sold2024Keuffel & Esser Slide RuleEngineers, students and scientists love this useful tool. Rule has a leather storage case included. K-E backstamp. Issued: c. 1947 - 1976 Dimensions: 12.5"L x 2"W Manufacturer: Keuffel & Esser Co. CouSee Sold Price
Sold2018(2) VINTAGE DRAFTING TOOLS(2) VINTAGE DRAFTING TOOLS Includes: Map wheel compass made in Germany, in original leather case & Keuffel Esser slide rule in leather case ; Condition - Scuffs to ruler case ; Measures: Case is 13" lSee Sold Price
Sold20223 Keuffel & Esser Co. Slide Rules, incl. Nordell SewerKeuffel and Esser (K&E) slide rules, including one (1) Nordell Sewer Slide Rule; one (1) 4160 Chemist's 10" Mahogany Duplex slide rule; and one (1) 4088-3 Polyphase Duplex Slide Rule. All comprised ofSee Sold Price
SoldVintage Keuffel & Esser Jet-Log Slide Rule with leather Case 68 1251 in original boxAppears to be in good shape, in original box. See pics. E-2684See Sold Price
Sold2021Lot 2 Vintage KEUFFEL & ESSER CO. Slide RulesLot of two vintage slide rules. Each includes a case, one can snap shut. Each slide rule reads as KEUFFEL & ESSER CO. Includes patent info. Wear is consistent with age and use. Each measures approx 12See Sold Price
Sold2023Lot of Vintage Keuffel and Esser Slide RulesGroup of 5 vintage Keuffel and Esser slide rules with cases. Models include 4070-3, 4090-3, N4053-3 and two 4081-3, one with original box. Made in USA. *notes- wear on box and cases.See Sold Price
Sold2023Lot of Mixed Vintage K & E Slide RulesGroup of 6 vintage Keuffel and Esser slide rules. Includes a Beginner's slide rule #4058, a 4153-1, a N4081-3, a N-4053-3>, a 4094 merchants and a 68 1434. All come with cases. One has original box asSee Sold Price
Sold2024Keuffel & Esser Double Side Slide Rule & Leather CaseKeuffel & Esser Double Side Slide Rule & Leather Case. Case: 12 3/4 x 2 5/8 x 1 in.Local Pick up call one day before to make an appointment. TO SHIP THIS ITEM IN USA OR INTERNATIONAL, PLEASE CONTACT TSee Sold Price
5 days LeftPUBLIC SALEAntique Thacher's Calculating Instrument Slide Rule, Keuffel & Esser$150(2 bids)
15 hrs LeftHudson Valley Auctioneers LLC Beacon NYThacher's Calculating instrument by Keuffel & Esser Co, in original case, 22" long, No 4012, serial$300