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
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
Sold2023Vintage Keuffel and Esser Co. Pocket Slide RuleA 1966 Keuffel and Esser Co. Pocket Slide Rule in original packaging. Comes with leather sheath and instruction manual. Made in USA.See 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
Sold2023Vintage Keuffel and Esser Co. Jet-Math Slide RuleA 1966 Keuffel and Esser Co. Jet-Math slide rule #68-1576. Comes in original packaging with manual and case. Made in USA. Box measures 14 1/2" x 7". *notes- regular wear from age and storage.See Sold Price
Sold2023Vintage Keuffel and Esser Co. Jet-Math Slide RuleA 1966 Keuffel and Esser Co. Jet-Math 68 1576 slide rule with original box, instructions and case. Slide Rule is marked 4161-3. Made in USA.See 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
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
Sold2021Thacher's Calculating Instrument, CylindricalThacher's Calculating Instrument, Cylindrical Slide-Rule, Keuffel & Esser Co., in original box, case is 24" by 6.75 by 6.25". In great condition.See Sold Price
Sold2015Keuffel & Esser and Wescosa Drafting Tools (4)Keuffel& Esser Co. Leroy lettering set and slide rule model no.4081-5 (comes with brown leather case that is missing the top flap). WescosaQuality tools come in a black carrying case that is marked 20See 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
Sold2021LOT 2 SLIDE RULER AND SLIDE RULE BOOKLOT 2 SLIDE RULER AND SLIDE RULE BOOK CONTAINS: "THE SLIDE RULE AND LOGARITHMIC TABLES BY CLARK, PICKET n902-es SIMPLEX TRIG SLIDE RULE, KEUFFEL & ESSER CO n4053-3 PAT1,934,232 | VINTAGE COLLECTIBLE SSee Sold Price
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
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
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
Sold2018CASED THACHER'S CALCULATING INSTRUMENTCirca 1914 Thacher's Calculating Instrument or Cylindrical Slide Rule, designed by Edwin Thacher in 1884, this version manufactured by Keuffel & Esser Co. of New York, with tag stamped "No. 4012, SeriSee Sold Price
Sold20214 high precision measurement instruments, includes NSK,4 high precision measurement instruments, includes NSK, Nippon Sokutei slide rule, "DSI" instrument in case, Keuffel & Esser Co. Paragon in case & Germer Graph Analogue, Model GA-103, in original caseSee 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
Sold2019Pair of Keuffel & Esser Surveying ToolsPair of mid-20th century surveying tools by Keuffel & Esser Co. (drafting instrument and supplies company founded in 1867 by two German immigrants); one WW2 era Cooke Radio Slide Rule, model #4139, deSee 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
Sold2023DRAFTING TOOLS AND SLIDE RULES, KEUFFEL & ESSER.Mostly American, mid 20th century. Two maple T squares, 32.5", 36"l., compass, drafting brushes and a group of slide rules including aluminum. Four in cases including three by Keuffel & Esser. TogetheSee Sold Price
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