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Crofoot Nielsen & Co No. 6559 Made in USA Dual Slide Wooden Slide Ruler 7"
Crofoot Nielsen & Co No. 6559 Made in USA Dual Slide Wooden Slide Ruler 7"

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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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Vintage Double Sided Engineer/Electronics Slide Ruler & Hard Case Japan
Vintage Double Sided Engineer/Electronics Slide Ruler & Hard Case Japan

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swiss made bernina slide ruler 6 inch
swiss made bernina slide ruler 6 inch

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VINTAGE LAWRENCE ENGINEERING SERVICE, WASBASH IND WOODEN SLIDE RULER Made In USA
VINTAGE LAWRENCE ENGINEERING SERVICE, WASBASH IND WOODEN SLIDE RULER Made In USA

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Vintage Slide Ruler ▪︎ The Triangulator "Makes Trigonometry Easy"
Vintage Slide Ruler ▪︎ The Triangulator "Makes Trigonometry Easy"

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Vintage Frederick Post Co Versalog Bamboo Japan Slide Ruler w/Leather Case
Vintage Frederick Post Co Versalog Bamboo Japan Slide Ruler w/Leather Case

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HOFFMAN ~ No 601 UTO ~ 6” Pocket Slide Ruler w/ Leather Case Box Made in Denmark
HOFFMAN ~ No 601 UTO ~ 6” Pocket Slide Ruler w/ Leather Case Box Made in Denmark

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SGP Wien Slide Rule Ruler Catalin
SGP Wien Slide Rule Ruler Catalin

$25.00

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The Frederick Post Company No 1447 Slide Rule Engineering Ruler
The Frederick Post Company No 1447 Slide Rule Engineering Ruler

$10.99

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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

$25.00

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VINTAGE SLIDE RULER Frederick Post # 1447 Made in JAPAN Student Ruler In Box
VINTAGE SLIDE RULER Frederick Post # 1447 Made in JAPAN Student Ruler In Box

$12.95

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2 Wood Slide Ruler Lawrence Engineering Service MADE IN USA
2 Wood Slide Ruler Lawrence Engineering Service MADE IN USA

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Concrete Slide Ruler 100 Yard Volume Calculator Lot of 12pcs MADE IN USA!!!!
Concrete Slide Ruler 100 Yard Volume Calculator Lot of 12pcs MADE IN USA!!!!

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Dental Implant Measuring Krekeler Sliding Caliper Gauge Venus Apollo Gauges
Dental Implant Measuring Krekeler Sliding Caliper Gauge Venus Apollo Gauges

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Frederick Post Co 1460 Versalog Hemmi Japan Slide Ruler Case Japan Bamboo Vintag
Frederick Post Co 1460 Versalog Hemmi Japan Slide Ruler Case Japan Bamboo Vintag

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Vintage Keuffel & Esser Vintage Slide Ruler K&E Slide Rule 046227 Rare 4081-3
Vintage Keuffel & Esser Vintage Slide Ruler K&E Slide Rule 046227 Rare 4081-3

$35.00

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Eugene Dietzgen Co. slide ruler made in USA With Leather Case
Eugene Dietzgen Co. slide ruler made in USA With Leather Case

$12.74

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

$19.99

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PBR Line Measur-A-Belt II Electronics Belt & Wheel Measuring Slide Ruler
PBR Line Measur-A-Belt II Electronics Belt & Wheel Measuring Slide Ruler

$29.50

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Vintage A.W. Faber Castell System Slide Ruler Germany
Vintage A.W. Faber Castell System Slide Ruler Germany

$24.75

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K&E Deci-Lon Slide Ruler with Original Leather Bound Case and Clip
K&E Deci-Lon Slide Ruler with Original Leather Bound Case and Clip

$100.00

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Vintage Charvoz-Roos Slide Ruler Number SR-105 With Original Leather Case
Vintage Charvoz-Roos Slide Ruler Number SR-105 With Original Leather Case

$19.95

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ALL PHASE ELECTRIC SQUARE D SCHNEIDER ELECTRIC SLIDE RULER motor data calculator
ALL PHASE ELECTRIC SQUARE D SCHNEIDER ELECTRIC SLIDE RULER motor data calculator

$12.99

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6 Vintage Slide Rulers Dietzgen, Picket & Eckel, Keuffel & Esser
6 Vintage Slide Rulers Dietzgen, Picket & Eckel, Keuffel & Esser

$76.48

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Vintage Sterling Metric Converter Slide Ruler 11 Inch Made In USA
Vintage Sterling Metric Converter Slide Ruler 11 Inch Made In USA

$12.90

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Woodworking Ruler Pocket Metal Slide Stop Marking Ruler Measuring Tool
Woodworking Ruler Pocket Metal Slide Stop Marking Ruler Measuring Tool

$12.40

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LENTICULAR FLICKER Ruler Measure Slide Rule Decimal Fraction Vintage VARI-VUE
LENTICULAR FLICKER Ruler Measure Slide Rule Decimal Fraction Vintage VARI-VUE

$5.19

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Concrete Slide Ruler 100 Yard Volume Calculator Lot of 6pcs MADE IN USA!!!!
Concrete Slide Ruler 100 Yard Volume Calculator Lot of 6pcs MADE IN USA!!!!

$79.00

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Vintage Concrete Slide Ruler 150 Yard Volume Calculator GA Peterson Auburn Maine
Vintage Concrete Slide Ruler 150 Yard Volume Calculator GA Peterson Auburn Maine

$28.60

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Security Pacific Bank Vintage Slide Ruler Celsius Fahrenheit Grammes Ounces
Security Pacific Bank Vintage Slide Ruler Celsius Fahrenheit Grammes Ounces

$19.75

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Arthur Brown and brothers Inc. slide ruler made in USA With Leather Case
Arthur Brown and brothers Inc. slide ruler made in USA With Leather Case

$25.00

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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

$15.00

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Vintage Teledyne Post Slide Ruler No. 44BA-470-Hemi Japan-Plastic Case--(T)
Vintage Teledyne Post Slide Ruler No. 44BA-470-Hemi Japan-Plastic Case--(T)

$24.99

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Vintage The Frederick Post Co. Slide Ruler With Case No. 1462
Vintage The Frederick Post Co. Slide Ruler With Case No. 1462

$7.95

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SLIDE RULER FREDERICK POST JAPAN VINTAGE
SLIDE RULER FREDERICK POST JAPAN VINTAGE

$4.00

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Vintage ACU Math No 400 Slide Ruler w/Black Tan Brown Case
Vintage ACU Math No 400 Slide Ruler w/Black Tan Brown Case

$6.99

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Vintage Engineer Logarithmic Slide Ruler Made In Leningrad, 1970
Vintage Engineer Logarithmic Slide Ruler Made In Leningrad, 1970

$45.00

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Japan Sun Hemmi Slide Ruler
Japan Sun Hemmi Slide Ruler

$132.98

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Vintage Old Dietzgen Slide Ruler w/ Genuine Leather Sheath, Made in USA
Vintage Old Dietzgen Slide Ruler w/ Genuine Leather Sheath, Made in USA

$52.47

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10" Vintage Slide Ruler Wood Plastic Face With Instruction Book How To Use
10" Vintage Slide Ruler Wood Plastic Face With Instruction Book How To Use

$19.95

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HOW 105 mm Howitzer Slide Ruler-Military-No Case DOES NOT SLIDE
HOW 105 mm Howitzer Slide Ruler-Military-No Case DOES NOT SLIDE

$9.00

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Vintage Sliding T Bevel Square Ruler Twix MADE IN USA
Vintage Sliding T Bevel Square Ruler Twix MADE IN USA

$18.00

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Vintage Frederick Post Slide Ruler #1447 with Box, Japan, Free Shipping
Vintage Frederick Post Slide Ruler #1447 with Box, Japan, Free Shipping

$14.95

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Vintage Slide Ruler ▪︎ The Triangulator "Makes Trigonometry Easy"
Vintage Slide Ruler ▪︎ The Triangulator "Makes Trigonometry Easy"

$16.99

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Post Versalog VTG Slide Ruler Model 1469 w/Leather Case Bamboo Japan
Post Versalog VTG Slide Ruler Model 1469 w/Leather Case Bamboo Japan

$34.99

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Vintage Penneys JC Penney Handee Gauge Slide Ruler for Sewing 6"
Vintage Penneys JC Penney Handee Gauge Slide Ruler for Sewing 6"

$20.00

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Vintage Weathercaster Advertising Slide Ruler in Box Krick Weather Engineers
Vintage Weathercaster Advertising Slide Ruler in Box Krick Weather Engineers

$19.99

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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

$24.04

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Keuffel & Esser Co NY Slide Ruler With Leather Case good condition
Keuffel & Esser Co NY Slide Ruler With Leather Case good condition

$15.00

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Grace Company Super Slide Quilting Ruler Templates
Grace Company Super Slide Quilting Ruler Templates

$22.95

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Vintage Engineering Instruments inc. 250-V Slide Ruler Made In USA With Case
Vintage Engineering Instruments inc. 250-V Slide Ruler Made In USA With Case

$11.50

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Koh-I-Noor Graphoplex Rapido Math 10021 France Slide Ruler 6" with Box Manual
Koh-I-Noor Graphoplex Rapido Math 10021 France Slide Ruler 6" with Box Manual

$50.99

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VINTAGE STAEDTLER NORIS SLIDE RULER ORIGINAL LEATHER CASE NO. 944-03 JAPAN
VINTAGE STAEDTLER NORIS SLIDE RULER ORIGINAL LEATHER CASE NO. 944-03 JAPAN

$25.15

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*VINTAGE* ENGINEERING INSTRUMENTS INC Slide Ruler Model 10-B MADE in U.S.A.
*VINTAGE* ENGINEERING INSTRUMENTS INC Slide Ruler Model 10-B MADE in U.S.A.

$9.99

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Post Versalog 1460 Slide Ruler with Case
Post Versalog 1460 Slide Ruler with Case

$24.99

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Diwa Manufacturing Co. Vintage Slide Ruler No. 621 With Case Made In Denmark
Diwa Manufacturing Co. Vintage Slide Ruler No. 621 With Case Made In Denmark

$11.99

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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

$18.85

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Pickett & Eckel Inc Slide Ruler Model 300 Alhambra California Vintage School
Pickett & Eckel Inc Slide Ruler Model 300 Alhambra California Vintage School

$26.67

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Vintage General Electric U 25 B Speed Trailing Ton Calculator Slide Ruler Train
Vintage General Electric U 25 B Speed Trailing Ton Calculator Slide Ruler Train

$19.95

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Diwa Slide Ruler with Case No. 621 Denmark VINTAGE
Diwa Slide Ruler with Case No. 621 Denmark VINTAGE

$23.76

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VTG K&E 68 1100 Slide Rule W/ Leather Case Deci-Lon 10 Keuffel & Esser Ruler
VTG K&E 68 1100 Slide Rule W/ Leather Case Deci-Lon 10 Keuffel & Esser Ruler

$49.99

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Vintage Slide Ruler with Case USA made
Vintage Slide Ruler with Case USA made

$18.99

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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

$14.99

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Pickett Eckel N4-ES Vector Type Log Log Dual Base Speed Slide Ruler Vintage 1959
Pickett Eckel N4-ES Vector Type Log Log Dual Base Speed Slide Ruler Vintage 1959

$42.00

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VINTAGE NESTLER SLIDE RULER ORIGINAL LEATHER CASE NO. 0218 GERMANY
VINTAGE NESTLER SLIDE RULER ORIGINAL LEATHER CASE NO. 0218 GERMANY

$35.21

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Vintage Frederick Post Sliding Ruler #1447 Sun Hemmi Japan W/Case FREE SHIPPING
Vintage Frederick Post Sliding Ruler #1447 Sun Hemmi Japan W/Case FREE SHIPPING

$10.99

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Vintage Sterling Plastics Metric Converter Slide Rule Ruler New Old Stock
Vintage Sterling Plastics Metric Converter Slide Rule Ruler New Old Stock

$19.90

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Vintage Stanley No. 136 brass and wood 3 inch slide caliper ruler Rare
Vintage Stanley No. 136 brass and wood 3 inch slide caliper ruler Rare

$9.95

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Motorola 2-Way Mobile Radio Calculator 1981 Slide Ruler Calculations Vintage
Motorola 2-Way Mobile Radio Calculator 1981 Slide Ruler Calculations Vintage

$29.97

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

$13.00

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Vintage 6" Hummingbirds Clear Slide Ruler Transparent Kodak Rare Made In USA
Vintage 6" Hummingbirds Clear Slide Ruler Transparent Kodak Rare Made In USA

$11.99

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VINTAGE ARISTO SLIDE RULER ORIGINAL LEATHER CASE NO. 976U GERMANY
VINTAGE ARISTO SLIDE RULER ORIGINAL LEATHER CASE NO. 976U GERMANY

$35.93

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5 Vintage Slide Rulers Sun, Sterling, Lawrence Engineering, Keuffel , Nestler
5 Vintage Slide Rulers Sun, Sterling, Lawrence Engineering, Keuffel , Nestler

$50.98

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Vintage Frederick Post Co 1444P USA Slide Ruler w/ Leather Case Campbell Heating
Vintage Frederick Post Co 1444P USA Slide Ruler w/ Leather Case Campbell Heating

$12.95

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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

$6.74

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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

$16.99

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Vintage Aristo Technica Nr. 929 Slide Ruler 13'' With Leather Case
Vintage Aristo Technica Nr. 929 Slide Ruler 13'' With Leather Case

$40.00

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Vintage Flying Fish Slide ruler #1009 with original case
Vintage Flying Fish Slide ruler #1009 with original case

$125.00

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Vintage Nestler Nr. 11 R Slide Ruler Spanall W/ Leather Case 5 inch - Germany
Vintage Nestler Nr. 11 R Slide Ruler Spanall W/ Leather Case 5 inch - Germany

$17.95

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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

$19.87

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VINTAGE KEUFFEL & ESSER CO. N.Y.Slide Ruler 4081-3S + Leather Case Made in USA
VINTAGE KEUFFEL & ESSER CO. N.Y.Slide Ruler 4081-3S + Leather Case Made in USA

$28.75

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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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1SET Woodworking Precision Pocket Ruler Aluminum Slide Ruler Inch And Metric
1SET Woodworking Precision Pocket Ruler Aluminum Slide Ruler Inch And Metric

$25.99

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Vintage DIETZGEN No. 1772A Decimal Trig Type Slide Ruler w/leather Case math
Vintage DIETZGEN No. 1772A Decimal Trig Type Slide Ruler w/leather Case math

$22.37

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

$9.50

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Vintage British Thornton Double Sided Engineer/Electronics Slide Ruler & Case ++
Vintage British Thornton Double Sided Engineer/Electronics Slide Ruler & Case ++

$22.99

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U.S MILITARY STYLE METAL COMPASS LIQUID FILLED SLIDE RULER WITH NYLON OD POUCH
U.S MILITARY STYLE METAL COMPASS LIQUID FILLED SLIDE RULER WITH NYLON OD POUCH

$19.95

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*VINTAGE* MANNHEIM ACU-MATH No. 511 Slide Ruler with Case MADE in U.S.A.
*VINTAGE* MANNHEIM ACU-MATH No. 511 Slide Ruler with Case MADE in U.S.A.

$6.99

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Keuffel & Esser Vintage Slide Ruler 4150-1 Aristo German Leather Case
Keuffel & Esser Vintage Slide Ruler 4150-1 Aristo German Leather Case

$19.99

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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!!!!

$12.50

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Vintage Keuffel & Esser Co. NY Slide Ruler with Vinyl Case
Vintage Keuffel & Esser Co. NY Slide Ruler with Vinyl Case

$14.99

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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

$49.99

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Vintage - Frederick Post Co. - Slide Ruler - No. 1462 - With Case - Made In USA
Vintage - Frederick Post Co. - Slide Ruler - No. 1462 - With Case - Made In USA

$12.00

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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

$34.87

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Vintage Sun Hemmi & Sterling Slide Ruler Lot with ruler pouch Japan
Vintage Sun Hemmi & Sterling Slide Ruler Lot with ruler pouch Japan

$24.99

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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

$14.99

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Lot of Slide Rules, Rulers, Booklets - Lawrence Side Rule, Lot Of 4
Lot of Slide Rules, Rulers, Booklets - Lawrence Side Rule, Lot Of 4

$19.00

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Vintage Pickett Slide Ruler Model 500 Ortho-Phase Log Log
Vintage Pickett Slide Ruler Model 500 Ortho-Phase Log Log

$59.99

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Concrete Slide Ruler Lot of 3pcs 100 Yard Volume Calculator MADE IN USA!!!!
Concrete Slide Ruler Lot of 3pcs 100 Yard Volume Calculator MADE IN USA!!!!

$32.95

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