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Concrete Slide Ruler 200 Yard Volume Calculator Slide Rule MADE IN USA!!!!
Concrete Slide Ruler 200 Yard Volume Calculator Slide Rule MADE IN USA!!!!

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1968 Concise Circular Slide Rule Model 600 w/ Reference Card  Case Ruler
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Concrete Slide Ruler 300 Yard Volume Calculator Slide Rule MADE IN USA!!!!
Concrete Slide Ruler 300 Yard Volume Calculator Slide Rule MADE IN USA!!!!

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Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm
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Vtg Pickett Model N803-ES Slide Rule Ruler in Original Leather Case
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Vintage Ricoh Slide Rule Ruler Scientific Measuring Tool No. 505 Made In Japan
Vintage Ricoh Slide Rule Ruler Scientific Measuring Tool No. 505 Made In Japan

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Vintage Small 6" Long Slide Rule-The A. Lietz Co #2971-P w/Case & Metal Ruler
Vintage Small 6" Long Slide Rule-The A. Lietz Co #2971-P w/Case & Metal Ruler

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Vintage Frederick Post Co. Slide Rule Ruler #1462 With Case USA I
Vintage Frederick Post Co. Slide Rule Ruler #1462 With Case USA I

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Pentatonic Sliding Ruler Electric Folk Guitar Scale Slide Rule,Acoustic Guitar
Pentatonic Sliding Ruler Electric Folk Guitar Scale Slide Rule,Acoustic Guitar

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Vintage Eugene Dietzgen Co. Slide Rule Vector Type Log Ruler with Case
Vintage Eugene Dietzgen Co. Slide Rule Vector Type Log Ruler with Case

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Vintage Frederick Post Co 1447 Bamboo Slide Rule Ruler Made in Japan in Box
Vintage Frederick Post Co 1447 Bamboo Slide Rule Ruler Made in Japan in Box

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Concise Ruler Circular Slide Rule No. 270N 100812 Made IN JAPAN 100mm NEW
Concise Ruler Circular Slide Rule No. 270N 100812 Made IN JAPAN 100mm NEW

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ThinkGeek Student Slide Rule Ruler with Vinyl Sleeve in Box No 1337
ThinkGeek Student Slide Rule Ruler with Vinyl Sleeve in Box No 1337

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Keuffel & Esser Vintage Slide Ruler K&E Slide Rule Black Leather Case 4097D USA
Keuffel & Esser Vintage Slide Ruler K&E Slide Rule Black Leather Case 4097D USA

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Concise Ruler Circular Slide Rule No. 270N 100812 Made IN JAPAN 100mm
Concise Ruler Circular Slide Rule No. 270N 100812 Made IN JAPAN 100mm

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Concise Ruler Circular Slide Rule No. 28 Darby Corp With Sleeve Japan
Concise Ruler Circular Slide Rule No. 28 Darby Corp With Sleeve Japan

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Disney Mickey Mouse 1974 era Vintage SEALED NEW Slide Rule Ruler Math
Disney Mickey Mouse 1974 era Vintage SEALED NEW Slide Rule Ruler Math

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Keuffel & Esser N4053-3 Wood Ruler Slide Rule
Keuffel & Esser N4053-3 Wood Ruler Slide Rule

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Vintage Precision Sterling Slide Rule | Metric And Inch Ruler
Vintage Precision Sterling Slide Rule | Metric And Inch Ruler

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Vintage Pickett Metal Slide Rule Ruler MODEL N901 SIMPLEX MATH RULE With Case
Vintage Pickett Metal Slide Rule Ruler MODEL N901 SIMPLEX MATH RULE With Case

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Vintage Frederick Post Hemmi Bamboo Slide Rule Ruler Versalog
Vintage Frederick Post Hemmi Bamboo Slide Rule Ruler Versalog

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Vtg Pickett Model N803-ES TRIG Slide Rule Ruler in Original Leather Case
Vtg Pickett Model N803-ES TRIG Slide Rule Ruler in Original Leather Case

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Lot Vintage Frederick Post Co. Slide Rule Wood Ruler 1446 Student National 1767P
Lot Vintage Frederick Post Co. Slide Rule Wood Ruler 1446 Student National 1767P

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Vintage Picket Slide Rule Ruler No. 120T with Case & Instructions
Vintage Picket Slide Rule Ruler No. 120T with Case & Instructions

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Vintage SUN Hemmi Bamboo Slide Rule Ruler Japan
Vintage SUN Hemmi Bamboo Slide Rule Ruler Japan

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Vintage 1960s Pickett All Metal Slide Rule Ruler w/ Case & Box
Vintage 1960s Pickett All Metal Slide Rule Ruler w/ Case & Box

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Vintage Frederick Post Co. 1447P Hemmi Slide Rule Ruler & Hard Case Slipstick
Vintage Frederick Post Co. 1447P Hemmi Slide Rule Ruler & Hard Case Slipstick

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Vintage logarithmic ruler RARE Soviet slide Rule with case made in USSR in1964
Vintage logarithmic ruler RARE Soviet slide Rule with case made in USSR in1964

$9.60

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Rifle Scope Ruler Scope Click Calculator (choose which ruler you want)
Rifle Scope Ruler Scope Click Calculator (choose which ruler you want)

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Vintage K&E Slide Rule W/ Leather Orange Case Keuffel & Esser Ruler
Vintage K&E Slide Rule W/ Leather Orange Case Keuffel & Esser Ruler

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Logarithmic Ruler KL-1 Round Lineup Calculator Slide Rule Soviet USSR Box
Logarithmic Ruler KL-1 Round Lineup Calculator Slide Rule Soviet USSR Box

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Vintage Frederick Post Co. Slide Rule Ruler #1462 With Case USA
Vintage Frederick Post Co. Slide Rule Ruler #1462 With Case USA

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Excellent 10" Vintage SP Sterling PRECISION SLIDE RULE Sliding Ruler U.S.A.
Excellent 10" Vintage SP Sterling PRECISION SLIDE RULE Sliding Ruler U.S.A.

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Vintage Keuffel & Esser Begginer's Slide Rule 4058c Wooden Ruler c.1910-1920
Vintage Keuffel & Esser Begginer's Slide Rule 4058c Wooden Ruler c.1910-1920

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Vintage Diwa Denmark Slide Rule Log Log No.101 Calculation Ruler
Vintage Diwa Denmark Slide Rule Log Log No.101 Calculation Ruler

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PICKETT Microline 120 Slide Rule Engineering Math Calculator Ruler White
PICKETT Microline 120 Slide Rule Engineering Math Calculator Ruler White

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1954 FISHER Pickett Control Valve Sizing Slide Rule Ruler Leather Case
1954 FISHER Pickett Control Valve Sizing Slide Rule Ruler Leather Case

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Vintage Slide Rule Ruler Micronta No. 150 Made in Japan w/ Leather Case
Vintage Slide Rule Ruler Micronta No. 150 Made in Japan w/ Leather Case

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Vintage DDR VEB MANTISSA Darmstadt II DUPLEX Slide Rule Ruler Made in Germany
Vintage DDR VEB MANTISSA Darmstadt II DUPLEX Slide Rule Ruler Made in Germany

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Pickett Model No 2 Slide Ruler VTG
Pickett Model No 2 Slide Ruler VTG

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Vintage DDR VEB MANTISSA Darmstadt DUPLEX Slide Rule Ruler Made in Germany
Vintage DDR VEB MANTISSA Darmstadt DUPLEX Slide Rule Ruler Made in Germany

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Vintage Frederick Post Co. 1447P Hemmi Slide Rule Ruler & Hard Case
Vintage Frederick Post Co. 1447P Hemmi Slide Rule Ruler & Hard Case

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Vintage Frederick Post Co 1447 Bamboo Slide Rule Ruler Hemmi Japan
Vintage Frederick Post Co 1447 Bamboo Slide Rule Ruler Hemmi Japan

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Keuffel & Esser Vintage 1967 Slide Ruler K&E Slide Rule Leather Case 68 1648
Keuffel & Esser Vintage 1967 Slide Ruler K&E Slide Rule Leather Case 68 1648

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Vintage Lawrence Engineering Service Slide Rule Ruler In Box Made in USA
Vintage Lawrence Engineering Service Slide Rule Ruler In Box Made in USA

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A.W. Faber Castell Triangular Engineering Ruler 883 + ACU MATH #600 Slide Rule
A.W. Faber Castell Triangular Engineering Ruler 883 + ACU MATH #600 Slide Rule

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Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm
Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm

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VTG SUN HEMMI BAMBOO SLIDE RULE NO. 250 W/ORIGINAL LEATHER CASE JAPAN New Ruler
VTG SUN HEMMI BAMBOO SLIDE RULE NO. 250 W/ORIGINAL LEATHER CASE JAPAN New Ruler

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Logarithmic Ruler KL-1 Round Lineup Calculator Slide Rule Rare USSR Vintage 2
Logarithmic Ruler KL-1 Round Lineup Calculator Slide Rule Rare USSR Vintage 2

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Vintage Frederick Post Co. 1447 Bamboo Slide Rule Ruler Slipstick & Case Japan
Vintage Frederick Post Co. 1447 Bamboo Slide Rule Ruler Slipstick & Case Japan

$17.49

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Antique Interlox 106 USA Slide Rule Outside Measure Rule Ruler
Antique Interlox 106 USA Slide Rule Outside Measure Rule Ruler

$12.00

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Vintage Lafayette Slide Rule 99-7031 Ruler Only Made In Japan w/ Case
Vintage Lafayette Slide Rule 99-7031 Ruler Only Made In Japan w/ Case

$39.99

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Advertising Concrete Slide Ruler 100 Yard Volume Calculator Slide Rule USA Made
Advertising Concrete Slide Ruler 100 Yard Volume Calculator Slide Rule USA Made

$7.33

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Vintage C-Thru Ruler Company Pocket Slide Rule No. 27 In Case & Instructions USA
Vintage C-Thru Ruler Company Pocket Slide Rule No. 27 In Case & Instructions USA

$9.74

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Vintage Pickett & Eckel Model No. 300 Slide Ruler & Leather Case
Vintage Pickett & Eckel Model No. 300 Slide Ruler & Leather Case

$25.00

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Vintage 6” Pocket Size Sterling Slide Rule Ruler No 587 With Case
Vintage 6” Pocket Size Sterling Slide Rule Ruler No 587 With Case

$10.00

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VTG 1940's Keuffel & Esser Slide Ruler in Leather Case w/new Replacement Window
VTG 1940's Keuffel & Esser Slide Ruler in Leather Case w/new Replacement Window

$26.99

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Frederick Post Co. 1447 Hemmi Slide Ruler Japan with Case
Frederick Post Co. 1447 Hemmi Slide Ruler Japan with Case

$7.50

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C-Thru Ruler Company Vintage Pocket Slide Rule No. 27 W/Instructions
C-Thru Ruler Company Vintage Pocket Slide Rule No. 27 W/Instructions

$10.99

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Vintage Frederick Post Co 1444K 6" Slide Rule Ruler & Leather Case HEMMI Japan
Vintage Frederick Post Co 1444K 6" Slide Rule Ruler & Leather Case HEMMI Japan

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PICKETT STUDENT SLIDE RULER NO. 160-T W/CASE/BOX/MANUAL
PICKETT STUDENT SLIDE RULER NO. 160-T W/CASE/BOX/MANUAL

$18.00

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Concise Ruler Circular Slide Rule 28N 100973 Dedicated Storage Case Included
Concise Ruler Circular Slide Rule 28N 100973 Dedicated Storage Case Included

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Vtg C-Thru Ruler Company Pocket Slide Rule No. 27 with sleeve & instructions
Vtg C-Thru Ruler Company Pocket Slide Rule No. 27 with sleeve & instructions

$20.00

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Keuffel & Esser K&E N4053-3 Slide Rule 10.5" Pat 1934232 + Paragon Ruler 1459PR
Keuffel & Esser K&E N4053-3 Slide Rule 10.5" Pat 1934232 + Paragon Ruler 1459PR

$10.99

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Vintage 1972 Borden Sterling Plastics Metric Converter Slide Rule Ruler #651
Vintage 1972 Borden Sterling Plastics Metric Converter Slide Rule Ruler #651

$14.99

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Vintage Slide Rule Keuffel & Esser K&E Beginner's 4058W Ruler W Original Case
Vintage Slide Rule Keuffel & Esser K&E Beginner's 4058W Ruler W Original Case

$16.99

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Vintage Frederick Post Co. Slide Rule Ruler #1462 With Case USA
Vintage Frederick Post Co. Slide Rule Ruler #1462 With Case USA

$14.50

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Pickett N-515-T Slide Rule Ruler HAS WARE from estate sale
Pickett N-515-T Slide Rule Ruler HAS WARE from estate sale

$13.00

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Dietzgen 1767P National Engineering Slide Rule Ruler Slipstick With Case USA
Dietzgen 1767P National Engineering Slide Rule Ruler Slipstick With Case USA

$10.00

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Vintage Slide Rule Ruler by Parisian Novelty Company Hewitt-Robins
Vintage Slide Rule Ruler by Parisian Novelty Company Hewitt-Robins

$14.99

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Vintage 1959 PICKETT & ECKEL Slide Rule N1010-T TRIG Leather Case Ruler
Vintage 1959 PICKETT & ECKEL Slide Rule N1010-T TRIG Leather Case Ruler

$25.00

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CONCISE Circular slide rule 28N English ver. 100973 PVC Ruler Made in Japan NEW
CONCISE Circular slide rule 28N English ver. 100973 PVC Ruler Made in Japan NEW

$24.03

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Concise Circular Slide Ruler
Concise Circular Slide Ruler

$25.99

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Vintage Slide Rule Ruler Charles Bruning #2420 With Original Case Drafting
Vintage Slide Rule Ruler Charles Bruning #2420 With Original Case Drafting

$15.00

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Keuffel & Esser K&E Slide Rule Ruler 4053-3 Celluloid Wood + Leather Case
Keuffel & Esser K&E Slide Rule Ruler 4053-3 Celluloid Wood + Leather Case

$19.99

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Concise Ruler Circular Slide Rule Days 480 Diameter 105mm 100836 F/S w/Track#
Concise Ruler Circular Slide Rule Days 480 Diameter 105mm 100836 F/S w/Track#

$43.50

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Vintage K&E Keuffel & Esser 10 Slide Rule Ruler in Leather Case Antique 1940s
Vintage K&E Keuffel & Esser 10 Slide Rule Ruler in Leather Case Antique 1940s

$15.00

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Vintage Eugene Dietzgen Slide Rule Engineering Multilog Wood Ruler W/ Case
Vintage Eugene Dietzgen Slide Rule Engineering Multilog Wood Ruler W/ Case

$27.00

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DIWA Pocket Slide Rule W/ Case & Direction Denmark No. 601-1 General Dynamics
DIWA Pocket Slide Rule W/ Case & Direction Denmark No. 601-1 General Dynamics

$14.99

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Old Faber-Castell German Slide Ruler in Leather Case Hard Wood Collectible!
Old Faber-Castell German Slide Ruler in Leather Case Hard Wood Collectible!

$30.00

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Pickett Slide Ruler Model N902-ES
Pickett Slide Ruler Model N902-ES

$24.99

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Vintage 6" Pocket Size Sterling Slide Rule Ruler No. 587 Made In USA
Vintage 6" Pocket Size Sterling Slide Rule Ruler No. 587 Made In USA

$11.98

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Vintage Keuffel & Esser KE Slide Rule K-12 Prep Ruler #681892 Case & Manual @c
Vintage Keuffel & Esser KE Slide Rule K-12 Prep Ruler #681892 Case & Manual @c

$17.95

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Vintage Keuffel & Esser Co New York Slide Rule Ruler 799273 4081-3 Leather Case
Vintage Keuffel & Esser Co New York Slide Rule Ruler 799273 4081-3 Leather Case

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Vintage Pickett No. 120 White Slide Rule Ruler with Brown Leather Case USA
Vintage Pickett No. 120 White Slide Rule Ruler with Brown Leather Case USA

$9.99

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Vintage C-Thru Ruler Company Pocket Slide Rule No. 27 In Case & Instructions USA
Vintage C-Thru Ruler Company Pocket Slide Rule No. 27 In Case & Instructions USA

$17.52

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Vtg Advertising Slide Rule Ruler "Prebble & James Process Engravers" Australia
Vtg Advertising Slide Rule Ruler "Prebble & James Process Engravers" Australia

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Vintage DDR VEB MANTISSA Darmstadt II DUPLEX Slide Rule Ruler Made in Germany
Vintage DDR VEB MANTISSA Darmstadt II DUPLEX Slide Rule Ruler Made in Germany

$50.00

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Vintage Frederick Post Co. 1447 Bamboo Slide Rule Ruler & Hard Case
Vintage Frederick Post Co. 1447 Bamboo Slide Rule Ruler & Hard Case

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Vintage C-Thru Ruler Company Pocket Slide Rule No. 27 W/Instructions
Vintage C-Thru Ruler Company Pocket Slide Rule No. 27 W/Instructions

$6.00

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Soviet Logarithmic mini-Ruler 6" (15cm) Slide Rule sliding USSR 1973 slipstick
Soviet Logarithmic mini-Ruler 6" (15cm) Slide Rule sliding USSR 1973 slipstick

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Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm
Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm

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Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm
Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm

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SUN HEMMI Slide Rule Slide Ruler No. 2664S Bamboo Made Japan with original case
SUN HEMMI Slide Rule Slide Ruler No. 2664S Bamboo Made Japan with original case

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Vintage Frederick Post Co. 1447 Bamboo Slide Rule Ruler & Box Japan Slipstick
Vintage Frederick Post Co. 1447 Bamboo Slide Rule Ruler & Box Japan Slipstick

$17.49

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Vtg Engineering Instruments Inc Slide Rule Ruler 10” Peru Indiana USA College
Vtg Engineering Instruments Inc Slide Rule Ruler 10” Peru Indiana USA College

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Vintage DIETZGEN Slide Rule Engineering Multilog Ruler #1768P Reliance Good Cond
Vintage DIETZGEN Slide Rule Engineering Multilog Ruler #1768P Reliance Good Cond

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Slide Rule Kyiv 1957 Vintage Logarithmic Ruler Manual Analog Calculator USSR
Slide Rule Kyiv 1957 Vintage Logarithmic Ruler Manual Analog Calculator USSR

$25.00

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Sand, Gravel & Crushed Stone Calculator Slide Ruler Made In USA!!!
Sand, Gravel & Crushed Stone Calculator Slide Ruler Made In USA!!!

$14.95

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