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Antique Boxwood Navigators Folding & Slide RuleKueffel And Esser 4012 Thatcher Cylindrical Slide Rule Serial 3318 En BoxeFuller's Calculator Slide Rule With Instruction Booklet, 1949Sun Hemmi No. 405 Very Rare Chemical Slide Rule Museum Quality Condition 1958-59Rare 20" Keuffel & Esser 4083-5 Log Vector Slide Rule 1947 Mint 2 Cases K&eLarge Vintage Pickett 7 Foot Long Slide Rule N1010-es Trig Advertising ClassroomVintage 7 Foot Pickett 1010 Es Trig Demo Slide Rule **rare** Classroom, School!German Calculator Collection - Faber-castell Trx - Rare Slide Rule Style7 Ft. Pickett Slide Rule School Classroom Learning Instructor Display Huge !Vintage Sun Hemmi Slide Rule + Case No 260 University Bamboo Made In Japan !!Keuffel & Esser K&e N4081-5 Log Log Duplex Decitrig 22" Slide Rule With CaseOld Welch 48" Slide Rule Demonstration Wall Hanger Classroom Teaching Ruler ToolVintage Faber Castell 4/22 20 Inch Business Slide Rule With Case1961 Alvin Elite Vector No.1157 Slide Rule Bamboo W/ Plastic Cursor : Very RareFaber Castell 62/83 Novo-duplex Slide Rule Case Manual Faber Castell 2/83 Novo-duplex Slide Rule Case Faber Castell 2/82 Duplex Slide Rule Case Manual Faber Castell 62/82 Duplex Pocket Slide Rule Case Manual K&e Deci-lon 10 Engineering Slide Rule #68 1100 W Orange Leather Case Very CleanK& E Keuffel Esser 68 1130 Deci Lon Slide Rule Calculator W Leather Case A Kueffel And Esser 68 1749 Merchant Desk Top Slide Rule En BoxeVintage Radio Transmission Line Calculator By Emeloid Co. Circular Slide RuleBig Circular Slide Rule Norma Merkuria 190 DbgmExcellent Vintage Pickett & Eckel N600-e Slide Rule With Leather Case UndatedGerman Calculator Collection - Interkontinentale Warenhausgruppe Slide Rule 7602Pickett Slide Rule Model N 3-es With Case Nice MintyGraphoplex 692b Neperlog Calculator Slide Rule.franceSmith Chart Circular Slide Rule - Extremely RareDeci-lon K&e Slide Rule. Excellent Condition! New Cursor!Vintage Circular Slide RuleVintage 1953 Pickett~all Metal Slide Rule Leather Case Original Box & Paperwork Kueffe; And Esser 4093-3 F Slide Rule With Magnifier And Magnifier Case Pickett Slide Rule N 3-es With Leather Case Pickett & Eckel Inc. Very Nice !Sun Hemmi Japan #256 Slide Rule In Original Box - Clean Condition - No ReserveEarly Aristo-darmstadt 867u Slide Rule By Dennert & Pape, HamburgK&e 68-1100 Slide Rule - Full Log-log, 26-scale DuplexKueffel And Esser N9081-3 Slide RuleK&e 68 1282 Pocket Slide Rule Scale Arrangement Deplex Decitrig With ManualK&e 4181-1 Pocket 5-inch Duplex Slide Rule With 21 Scales Kueffel And Esser 4093-3 Vector Slide Rule1959 Pickett N4-es Slide Rule U.s.a Vector Type Log Log Dual Base & CaseVintage Pickett N4-es Speed Rule & Keuffel & Esser Polyphase Slide Rule SetPickett N4-es Slide Rule, Log-log Dual Base Speed Rule. Nice!!Vintage 1947 K&e 4181-1 Log Log Duplex Decitrig Slide Rule Keuffel Esser Box NrTexas Instruments Ti-58 Ti-55 Sr-50a Slide Rule Lot 4 Calculators VintageAristo 868 Pocket 5-inch Duplex Slide Rule With 22 ScalesVintage Dietzgen #1734 Microglide Slide Rule With Case And Original Paperwork1959 Pickett Model N4-t All Metal Slide Rule With Leather CaseVintage Slide Rule Lot Of 3 Proportional Aristo N Post Rulers3-rare K&e Keuffel & Esser Paperweights Blueprint Drafting Slide Rule CollectionKueffel And Esser 4012 Thatcher Cylindrical Slide Rule Serial 3318 En BoxeVintage Russian Circular Slide Rule (model Kl-1) 1960'sVtg Keuffel & Esser K&e 1947 Slide Rule 4080-3 Log Log Duplex & Case Engineer 50's Vintage Antique Engineer Science Drafting Tool Slide Rule DrawingVintage Post Model 109099 Versalog Slide Rule With Leather CaseStaedtler-mars Slide Rule No. 54408 NKeuffel Esser Log Log Duplex Trig Slide RuleVintage 8" Binary Slide Rule 1940/1931 Copyright With Case Vintage Keuffel & Esser, K&e, 1924 Slide Rule,polyphase,& Log Log Duplex ManualsVintage 1919 4" Gilson Midget Slide Rule W/ Case & Manual Stuart Fl Vintage Texas Instruments Ti-30 Electronic Slide-rule Calculator, Orig. CaseAristo 0970 Slide Rule - Full Log-log 24-scale DulpexVintage Slide Rule, Fisher Control Valve Sizing, Pickett, 1954, Works, W/caseFrederick Post Versatrig 1450 Slide Rule Hemmi Japan With Case1959 All-metal Pickett Slide Rule Model N4-es Vector-type Log Log Dual-base Sama & Etani Circular Slide Rule Model 90 1970 Concise Int Made In JapanCrp-1 Circular Slide Rule Calculator For Aviation Use (aka "whiz Wheel")Eugene Dietzgen Micromatic Slide Rule Cat. No. N1732 Serial No. 086757Vtg Keuffel & Esser K&e Slide Rule 4080-3 Log Log Duplex & Case Engineer Nestler Nr. 0121 Slide Rule With Case And Instructions Made In Germany


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