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Keuffel & Esser Co. "k&e" Deci-lon 5 Pocket Slide Rule #68-1130 W/ Leather CaseVtg Nos Japanese Sun Hemmi Duplex Bamboo Slide Rule Mint 279d 24" LongVery Rare Chem Eng Slide Rule, Post 1491 (hemmi 257) W Case (s431) Free Usa ShipPickett No. N 3p-t Pocket Slide Rule Synchrolog New Never Used With Box & BooksSlide Rule High End Hemmi And Leather Case With Belt LoopVintage K & E 4160 Chemist Duplex Slide Rule With Case Keuffel & Esser Co. Vintage Slide Rule: Unused Picket Pocket 3p-es In Box With Case And ManualsVintage Fearns Circular Slide Rule England Calculator Chart Scientific RulerPickett Slide Rule, Fuller Traffic Rule, Vintage, Leather CaseSun Hemmi 10" Bamboo Slide Rule No. 254w W/ Original Box - Made In JapanPickett 1962 Model N600-es Log Log Speed Slide Rule, 6", Leather Case W/clipVintage Halden Calculex Circular Slide Rule Made In EnglandA. W. Faber Castell Addiator Metal Pen 67/87r Slide Rule In Case GermanKeuffel & Esser Deci-lon 10 Slide Rule & CaseKeuffel & Esser K & E Vintage Slide Rule In Leather Case Copyright 1947Lot 2 Sun Hemmi Toshiba Slide Rule With Leather CasesPickett & Eckel Slide Rule N600-es Log Log Speed Rule Synchro Scale ChicagoPickett Dial Rule Circular Slide Rule Vintage In Sealed PackageVintage Edmund Scientific Co. 15" Circular Slide RuleTrw Defense & Space Systems Icbm System Effectiveness & Survivability Slide RulePickett 1953 Slide Rule Leather Case Manual Original Box #600 Dual Base UnusedK&e - Keuffel & Esser - 4100 Stadia Slide Rule W/ Leather Case & Box Vintage Pickett 4-es Slide Rule W/ Leather CaseVintage Keuffel & Esser Duplex Slide Rule 4071 With Magnifier And Leather CaseFaber-castell 378 'electro' Slide Rule April 1927 In Boxwood With Case.Vintage Frederick Post Versalog #255 Slide Rule 12" In Leather Case-hemmi JapanVery Rare Novotni Weight Slide Rule, No. 1373b, Dual Slides, Vg Cond, (s171)Vintage Concise Model Ctcs-552 Conversion Tables & Circular Slide Rule W Booklet~ Mint - Copyright 1954 Pickett Valve Slide Rule - Mint & Complete ~ Pickett Slide Rule Model 520-t U.s.air Force Aerial Photo Slide RuleGrace Davison Chemical Slide Rule W/ Case Aristo Darmstadt Nr. 867u GermanyUs Rb-47h Load Adjuster Slide Rule Airforce Cox & Stevens Electronic ScalesVintage K&e Keuffel & Esser Slide Rule 4181-3 Leather Case 1947Unique Navigational Slide RulePickett N803-es Log Log Speed Dual Base Metal Slide Rule. Free Shipping!Vintage Foxboro Flow Slide Rule Liquid Steam Gas With CaseVintage Hemmi 34rk Bamboo Slide Rule In Leather CaseNice Vintage 12" Pickett Model N901-t White Simplex Slide Rule Slide Rule Wichmann 1388 Electro No 37 Albert Nestler A. G. Lahri/b D.r.p. Box X1930s Slide Rule Wood & Cellulose By P I C Electrical CalculatorVintage Slide Rule Us Military Walnut American Blueprint Co. W/ Case Vintage K&e Keuffel Esser Polyphase Slide Rule 68 1617 Sealed Near Mint In Box Teledyne Post-hemmi Japan 44ba-470 Slide RulePickett & Eckel Deci-point Slide Rule 1945Vintage Keuffel Esser Slide Rule W/ Leather Case Engineer N4053-3 White RulerDiwa Denmark No. 601 - 1 Slide Rule. The Singer Company Instruments. With CasePickett Slide Rule Model N 1010-t Trig 17 Scales Post Student Slide Rule

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