vintage-mechanical-slide-ruler-for-engineers

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

$22.91

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Vintage Keuffel & Esser Slide Ruler With Case Model 4035
Vintage Keuffel & Esser Slide Ruler With Case Model 4035

$87.75

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Vintage Old Aristo Metal Slide Ruler Mechanical Slipstick Ruler Made In Germany
Vintage Old Aristo Metal Slide Ruler Mechanical Slipstick Ruler Made In Germany

$134.25

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Vintage 1915 Keuffel & Esser Slide Ruler With Case 4053-3F Polyphase Mannheim
Vintage 1915 Keuffel & Esser Slide Ruler With Case 4053-3F Polyphase Mannheim

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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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Vintage Engineering Instruments Wooden 10 Inch Slide Ruler with Leather Case
Vintage Engineering Instruments Wooden 10 Inch Slide Ruler with Leather Case

$16.40

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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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Engineering Instruments Wooden Slide Ruler Vtg Mathematic Calculator Equations
Engineering Instruments Wooden Slide Ruler Vtg Mathematic Calculator Equations

$7.87

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Vintage Engineer Slide Ruler Engineering Instruments Inc Peru IN Wood
Vintage Engineer Slide Ruler Engineering Instruments Inc Peru IN Wood

$17.00

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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 Dietzgen Maniphase Multiplex Vector Log Slide Ruler 1735 W/Case
Vintage Dietzgen Maniphase Multiplex Vector Log Slide Ruler 1735 W/Case

$25.99

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Vintage K&E Double Sided Engineer/Electronics Slide Ruler w/ Leather Case
Vintage K&E Double Sided Engineer/Electronics Slide Ruler w/ Leather Case

$22.50

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Vintage 1972 Keuffel & Esser Jet-Log 68-1251 Slide Ruler w/ Leather Case & Box
Vintage 1972 Keuffel & Esser Jet-Log 68-1251 Slide Ruler w/ Leather Case & Box

$149.99

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Vintage Keuffel & Esser Slide Ruler w Hard Leather Case - Estate Tool
Vintage Keuffel & Esser Slide Ruler w Hard Leather Case - Estate Tool

$46.99

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Vintage Zollner And Co Engineering Slide Drafting Ruler No 559
Vintage Zollner And Co Engineering Slide Drafting Ruler No 559

$15.00

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VINTAGE KEUFFEL SLIDE RULER With Leather Case See photo
VINTAGE KEUFFEL SLIDE RULER With Leather Case See photo

$20.99

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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 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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Vintage 1940s K&E Keuffel & Esser Slide Ruler with Leather Case
Vintage 1940s K&E Keuffel & Esser Slide Ruler with Leather Case

$20.00

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Keuffel & Esser Antique 20" slide ruler from mid 1930's
Keuffel & Esser Antique 20" slide ruler from mid 1930's

$22.50

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Keuffel & Esser Co NY Slide Ruler With Leather Case Black Vintage
Keuffel & Esser Co NY Slide Ruler With Leather Case Black Vintage

$19.00

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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

$16.95

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Vintage Keuffel Esser Slide Ruler No 4054 With Sheath Nice
Vintage Keuffel Esser Slide Ruler No 4054 With Sheath Nice

$18.00

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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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Dietzgen No 1767 Vintage Engineering Drafting Slide Ruler
Dietzgen No 1767 Vintage Engineering Drafting Slide Ruler

$21.95

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

$11.69

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Vintage 1972 Keuffel & Esser Jet-Log 68-1251 slide ruler with leather case
Vintage 1972 Keuffel & Esser Jet-Log 68-1251 slide ruler with leather case

$150.00

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VINTAGE KEUFFEL ESSER CO DUPLEX SLIDE RULER IN LEATHER CASE TUB A
VINTAGE KEUFFEL ESSER CO DUPLEX SLIDE RULER IN LEATHER CASE TUB A

$62.50

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Slide Ruler Aristo Acuma Dietzgen Lot of 5 Rulers Vintage MCM
Slide Ruler Aristo Acuma Dietzgen Lot of 5 Rulers Vintage MCM

$49.99

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Slide Ruler for Engineers Metal Protractor Combination Office
Slide Ruler for Engineers Metal Protractor Combination Office

$9.38

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Vintage Dietgen 1767P National Wood Slide Ruler
Vintage Dietgen 1767P National Wood Slide Ruler

$14.99

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Vintage DIETZGEN Slide Rule Engineering Multilog Ruler #1768P Reliance 1950s EUC
Vintage DIETZGEN Slide Rule Engineering Multilog Ruler #1768P Reliance 1950s EUC

$16.97

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6 VTG drafting rulers Flat Triangle Sterling Slide Rule K & E Dietzgen architect
6 VTG drafting rulers Flat Triangle Sterling Slide Rule K & E Dietzgen architect

$14.88

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Vintage Old Aristo Metal Slide Ruler Mechanical Slipstick Ruler Made In Germany
Vintage Old Aristo Metal Slide Ruler Mechanical Slipstick Ruler Made In Germany

$145.00

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Vintage Slide Ruler Dietzgen no. 1732L, Decimal Trig Log with leather cases
Vintage Slide Ruler Dietzgen no. 1732L, Decimal Trig Log with leather cases

$28.25

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Vintage Keuffel & Esser Co. K&E Slide Ruler With Leather Case Made in USA
Vintage Keuffel & Esser Co. K&E Slide Ruler With Leather Case Made in USA

$32.00

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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

$29.99

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Vintage Slide Ruler Fredrick Post 1447 Made in Japan Original Box Engineer
Vintage Slide Ruler Fredrick Post 1447 Made in Japan Original Box Engineer

$17.99

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

$16.95

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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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Vintage Engineer Slide Ruler DUPLEX 1947 Keuffel & Esser Case Care Booklet Box
Vintage Engineer Slide Ruler DUPLEX 1947 Keuffel & Esser Case Care Booklet Box

$26.00

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Vintage Keuffel & Esser Slide Ruler with Leather Case ~ made in USA!
Vintage Keuffel & Esser Slide Ruler with Leather Case ~ made in USA!

$45.00

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K&E Keuffel & Esser Wood Slide Ruler 4053-3 Polyphase Vintage Rule June 5 1900
K&E Keuffel & Esser Wood Slide Ruler 4053-3 Polyphase Vintage Rule June 5 1900

$24.75

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Vintage Keuffel & Essler Slide Ruler Leather Case
Vintage Keuffel & Essler Slide Ruler Leather Case

$15.00

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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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VINTAGE DIETZGEN NATIONAL SLIDE RULER NO. 1767 -- USA
VINTAGE DIETZGEN NATIONAL SLIDE RULER NO. 1767 -- USA

$11.99

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Vintage Dietzgen Decimal Trig Log Slide Ruler Conversion Tables Case N1732
Vintage Dietzgen Decimal Trig Log Slide Ruler Conversion Tables Case N1732

$65.00

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Vintage Keuffel & Esser Co N.Y. Slide Ruler
Vintage Keuffel & Esser Co N.Y. Slide Ruler

$20.00

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Vintage Eugene Dietzgen Slide Rule Engineering Multilog Wood Ruler 4 Sides USA
Vintage Eugene Dietzgen Slide Rule Engineering Multilog Wood Ruler 4 Sides USA

$35.00

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June 5 1900 ~ Keuffel & Esser Co. K&E Slide Ruler w/Leather Case Made in USA
June 5 1900 ~ Keuffel & Esser Co. K&E Slide Ruler w/Leather Case Made in USA

$32.00

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K & E Pocket Slide Ruler + Manual #4168
K & E Pocket Slide Ruler + Manual #4168

$35.00

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Vintage Keuffel & Esser Co. N.Y. Slide Ruler 4071-3 with Leather Case Box
Vintage Keuffel & Esser Co. N.Y. Slide Ruler 4071-3 with Leather Case Box

$27.49

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3 Vintage Slide Rulers
3 Vintage Slide Rulers

$39.99

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Vintage Dietzgen Slide Ruler Polymath Multiplex Decimal Trig Log No. 1733 w/Case
Vintage Dietzgen Slide Ruler Polymath Multiplex Decimal Trig Log No. 1733 w/Case

$39.85

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

$25.00

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engineering slide ruler
engineering slide ruler

$27.50

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Keuffel & Esser Co NY Slide Ruler With Hard Case + Sterling No.594 FREE SHIP
Keuffel & Esser Co NY Slide Ruler With Hard Case + Sterling No.594 FREE SHIP

$29.99

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

$17.00

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Keuffel & Esser Co NY Slide Ruler With Leather Case #10
Keuffel & Esser Co NY Slide Ruler With Leather Case #10

$21.00

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Vintage Keuffel &Esser Co. Drafting Slide Ruler Original Leather Case N-4053-3
Vintage Keuffel &Esser Co. Drafting Slide Ruler Original Leather Case N-4053-3

$24.99

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Vintage Keuffel & Esser Co NY Slide Ruler USA 1900
Vintage Keuffel & Esser Co NY Slide Ruler USA 1900

$55.00

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Vintage Logarithmic ruler slide with case
Vintage Logarithmic ruler slide with case

$25.00

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Vtg Dietzgen No 1767P National Engineering Wooden Slide Ruler Slipstick Case USA
Vtg Dietzgen No 1767P National Engineering Wooden Slide Ruler Slipstick Case USA

$24.99

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Vintage Keuffel & Esser Slide Ruler K&E Leather Case Concise
Vintage Keuffel & Esser Slide Ruler K&E Leather Case Concise

$50.00

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Keuffel & Esser Co. NY Slide Ruler Original Leather Case Vintage USA Engineering
Keuffel & Esser Co. NY Slide Ruler Original Leather Case Vintage USA Engineering

$20.00

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Vintage Slide Ruler,Sterling,Engineers Metric Converter,Case User Manual.
Vintage Slide Ruler,Sterling,Engineers Metric Converter,Case User Manual.

$12.00

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Vtg Keuffel & Essler Slide Ruler Leather Case
Vtg Keuffel & Essler Slide Ruler Leather Case

$20.99

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Vintage Engineering Instruments Wooden 10 Inch Slide Wood Ruler With Case 250-BT
Vintage Engineering Instruments Wooden 10 Inch Slide Wood Ruler With Case 250-BT

$8.99

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Slide Ruler , Engineering Instruments , Inc. , Wood , Vintage
Slide Ruler , Engineering Instruments , Inc. , Wood , Vintage

$15.00

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Keuffel & Esser Co. Beginner’s 4058 Vintage Slide Ruler antique New York USA
Keuffel & Esser Co. Beginner’s 4058 Vintage Slide Ruler antique New York USA

$19.99

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Keuffel & Esser Co NY Slide Ruler With Leather Case Black Vintage
Keuffel & Esser Co NY Slide Ruler With Leather Case Black Vintage

$19.99

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Keuffel & Esser Co. NY Slide Ruler NO Case Vintage USA Engineering SEE PICS
Keuffel & Esser Co. NY Slide Ruler NO Case Vintage USA Engineering SEE PICS

$24.95

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Vintage K&E Keuffel & Esser 047101 Slide Ruler W/ Thick Leather Case
Vintage K&E Keuffel & Esser 047101 Slide Ruler W/ Thick Leather Case

$33.35

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Vintage KEUFFEL & ESSER CO K&E 1947 Slide Drafting Ruler Architect LEATHER Case
Vintage KEUFFEL & ESSER CO K&E 1947 Slide Drafting Ruler Architect LEATHER Case

$17.99

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

$500.00

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Vintage DIETZGEN Slide Ruler No. 1767
Vintage DIETZGEN Slide Ruler No. 1767

$9.95

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Vintage Dietzgen 1740 Slide Ruler
Vintage Dietzgen 1740 Slide Ruler

$50.00

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Vintage Keuffel & Esser CO. N.Y. Slide Ruler With Case *Pre-Owned*
Vintage Keuffel & Esser CO. N.Y. Slide Ruler With Case *Pre-Owned*

$58.49

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Vintage KEUFFEL & ESSER CO K&E 1947 Slide Drafting Ruler Architect LEATHER Case
Vintage KEUFFEL & ESSER CO K&E 1947 Slide Drafting Ruler Architect LEATHER Case

$22.99

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Vintage Specialty Sliding Ruler With Equivalents On Back Come W/ Original Case !
Vintage Specialty Sliding Ruler With Equivalents On Back Come W/ Original Case !

$8.99

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Eugene Dietzgen Slide Ruler Case
Eugene Dietzgen Slide Ruler Case

$24.97

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Vintage 4" Slide ruler
Vintage 4" Slide ruler

$14.99

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Vintage Dietzgen 1767P Wooden Slide Rule Ruler - Made in USA!
Vintage Dietzgen 1767P Wooden Slide Rule Ruler - Made in USA!

$10.00

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VINTAGE 72" RULER WITH BRASS SLIDE OUT IN FRONT.
VINTAGE 72" RULER WITH BRASS SLIDE OUT IN FRONT.

$5.00

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Vintage Engineering Instruments Wooden 10 Inch Slide Wood Ruler with Case
Vintage Engineering Instruments Wooden 10 Inch Slide Wood Ruler with Case

$8.00

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Vintage slide ruler
Vintage slide ruler

$45.00

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Vintage Slide Ruler Fredrick Post 1447 Made in Japan Original Box Engineer
Vintage Slide Ruler Fredrick Post 1447 Made in Japan Original Box Engineer

$22.47

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

$20.00

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Vintage Keuffel &Esser, K&E Slide Ruler, And Assorted Drafting Tools
Vintage Keuffel &Esser, K&E Slide Ruler, And Assorted Drafting Tools

$49.95

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Keuffel & Esser Co. Duplex Slide Rulers Lot Of 2 Vtg
Keuffel & Esser Co. Duplex Slide Rulers Lot Of 2 Vtg

$29.95

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K&E 68 1617 Keuffel & Esser 10" Slide Ruler With Teal/Green Leather Case
K&E 68 1617 Keuffel & Esser 10" Slide Ruler With Teal/Green Leather Case

$32.00

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VINTAGE DIETZGEN RULER & SLIDE RULER NO. 1767 W/ CASE
VINTAGE DIETZGEN RULER & SLIDE RULER NO. 1767 W/ CASE

$19.99

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Vintage 1940s Keuffer & Esser Co NY slide ruler leather case 13” marked drafting
Vintage 1940s Keuffer & Esser Co NY slide ruler leather case 13” marked drafting

$84.99

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Eugene Dietzgen Co. N1732L Slide Ruler- case-manual
Eugene Dietzgen Co. N1732L Slide Ruler- case-manual

$55.00

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Antique Vintage Keuffel & Esser Co. N.Y. Slide Ruler 4071-3 w/ Leather Case
Antique Vintage Keuffel & Esser Co. N.Y. Slide Ruler 4071-3 w/ Leather Case

$24.99

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Vintage National Dietzgen No NI767 Slide Ruler Made In USA With Case Lot
Vintage National Dietzgen No NI767 Slide Ruler Made In USA With Case Lot

$30.00

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Keuffel & Esser Slide Ruler With Leather Case Read
Keuffel & Esser Slide Ruler With Leather Case Read

$123.00

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Morilla Drafting tool ruler slide rule ? Vintage K+E Keuffel & Esser Co. Box
Morilla Drafting tool ruler slide rule ? Vintage K+E Keuffel & Esser Co. Box

$9.95

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Keuffel Esser Slide Ruler Lot Of 4
Keuffel Esser Slide Ruler Lot Of 4

$69.95

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