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Similar to: Vintage 1961 Keuffel & Esser Slide Rule Model K&E K-12 Prep Retro 4158 Math

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Vintage K&E Keuffel & Esser Model 4081-3 Slide Rule with Case Copyright 1947

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Vintage SLIDE RULE K-E #681892 Case & Manual 1960s Keuffel-Esser K-12 Prep MINT

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Vintage 1947 Keuffel & Esser Co. Slide Rule 68-1251

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Vintage 1961 Keuffel & Easter 68-1100 Deci-Lon 10 Slide Rule & Case A+ Ruler

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Keuffel & Esser Co N.Y. USA K&E 4092-3 Slide Rule

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Vintage MCM K&E Keuffel & Esser Co. 4081-3 Log Duplex Slide Rule and Case

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VTG K+E Keuffel & Esser Pocket Slide Rule 4161-1 w/Leather Sleeve & Manual 1952

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Deal1960 Vintage Keuffel & Esser K+E 68 1486 Slide Rule Leather Case & Instructions

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K & E N4088-3S Slide Rule + Leather Case Keuffel &Essler Company Vintage 1940’s

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Vintage K&E Slide Rule Manual Keuffel & Esser No. 4081 Log Log Duplex Decitrig

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K & E N4053-3 Slide Rule + Magnifier + Leather Case Keuffel Essler Company Nice

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K & E N4053-3 Slide Rule + Magnifier + Leather Case Keuffel Essler Company Nice

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K&E Keuffel & Esser 68-1130 Slide Rule w/ Leather Case Deci Lon 5

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Keuffel & Esser K&E Slide Rule and Green Case 4181-3 Log Log Duplex Decitrig

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Keuffel & Esser K&E 1947 Log Log Duplex Vector Slide Rule Leather Case N4083-3

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Keuffel & Esser K&E N4080-3 Log Log Duplex Trig Slide Rule W/ Leather Case

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