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

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Vintage 1962 Pickett N-500-T Hi Log/Log All-Metal Slide Rule

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USD 30.47

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

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

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Vintage Pickett & Eckel Slide Rule Model No 2 Deci Log Log 1947

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Vintage Lawrence Slide Rule With Instruction Book

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K&E Keuffel & Esser 4080-3 Log Log Duplex Decitrig Slide Rule w/ Leather Case

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

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Logarithmic Ruler KLPZ 1971 Vintage Slide Device Manual Analog Calculator USSR

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

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Vintage Pickett & Eckel 12 " Slide Rule Model 2 Deci Log & Case Copyright 1945

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USD 116.99

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K-E Log Log Duplex Decitric Slide Rule 4081-3S

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

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

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Vintage Pickett & Eckel Slide Rule Model 1000 Ortho-Phase Duplex Copyright 1948

Vintage Pickett & Eckel Slide Rule Model 1000 Ortho-Phase Duplex Copyright 1948

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Vintage Slide Rule Pickett Model N1010-T Trig W/ Leather Case Copyright 1959

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1 calculator,Unbrako Socket Screw Calculator Slide Rule Printed in USA VTG

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