vintage-mechanical-slide-ruler

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Vtg Cost Reduction Slide Ruler Pocket Slide Ruler With Leather Case
Vtg Cost Reduction Slide Ruler Pocket Slide Ruler With Leather Case

$19.99

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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

$179.00

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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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Linex 1200 vintage slide ruler with box 1930’s
Linex 1200 vintage slide ruler with box 1930’s

$6.99

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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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SLIDE RULER Frederick Post # 1447 Student Slide Ruler In Box Japan VINTAGE
SLIDE RULER Frederick Post # 1447 Student Slide Ruler In Box Japan VINTAGE

$11.99

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

$22.99

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

$15.00

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Vintage Slide Ruler Japan
Vintage Slide Ruler Japan

$19.99

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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

$61.88

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

$19.99

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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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Vtg E.G. Boltmann slide rulers in wood case / box
Vtg E.G. Boltmann slide rulers in wood case / box

$43.99

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

$25.00

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Vintage Frederick Post Co 11 Inch Slide Ruler No. 1447 Japan
Vintage Frederick Post Co 11 Inch Slide Ruler No. 1447 Japan

$38.00

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Slide Ruler - Open Box
Slide Ruler - Open Box

$19.95

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

$15.00

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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

$17.99

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Slide Ruler Vintage POST 1447 Original Red Box with Label 10 inch no instruction
Slide Ruler Vintage POST 1447 Original Red Box with Label 10 inch no instruction

$14.99

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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 Measuring Slide Ruler No.7327
Vintage Measuring Slide Ruler No.7327

$10.00

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

$19.95

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Slide Ruler
Slide Ruler

$75.00

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

$18.99

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

$5.00

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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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Lot of 2 Vintage Advertising Ruler & Slide Rule
Lot of 2 Vintage Advertising Ruler & Slide Rule

$14.99

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

$22.79

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

$9.95

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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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VTG Frederick Post Co 1462 Slide Ruler with K&E Leather Case
VTG Frederick Post Co 1462 Slide Ruler with K&E Leather Case

$22.00

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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

$14.99

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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

$19.00

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Vintage slide Ruler with Case
Vintage slide Ruler with Case

$75.00

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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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Vintage Dietzen Slide Ruler with Case
Vintage Dietzen Slide Ruler with Case

$25.00

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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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Vintage 4" Slide ruler
Vintage 4" Slide ruler

$14.99

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3 Vintage Slide Rulers
3 Vintage Slide Rulers

$39.99

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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 Dietzgen 1740 Slide Ruler
Vintage Dietzgen 1740 Slide Ruler

$50.00

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Vintage Germany Wooden Engineering Slide Ruler w/ Leather Case B.K. Elliott Co
Vintage Germany Wooden Engineering Slide Ruler w/ Leather Case B.K. Elliott Co

$12.99

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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

$15.38

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

$40.00

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

$25.00

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Vintage slide ruler
Vintage slide ruler

$45.00

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

$15.00

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Vintage Post Slide Ruler
Vintage Post Slide Ruler

$50.00

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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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1930's Keuffel & Esser Co NY, Polyphase Duplex Trig Slide Ruler 4070-3 with case
1930's Keuffel & Esser Co NY, Polyphase Duplex Trig Slide Ruler 4070-3 with case

$14.00

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Vintage FREDERICK POST CO. 1447 Slide Ruler with Case
Vintage FREDERICK POST CO. 1447 Slide Ruler with Case

$9.00

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

$15.99

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K&E Pocket Sliding Ruler 7' ,vintage 681130
K&E Pocket Sliding Ruler 7' ,vintage 681130

$32.00

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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 Frederick POST Slide Ruler no.1462 with case clean.
Vintage Frederick POST Slide Ruler no.1462 with case clean.

$14.99

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Vintage Frederick Post 1452W Slide Ruler And Leather Case
Vintage Frederick Post 1452W Slide Ruler And Leather Case

$12.99

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

$15.89

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Vintage Frederick Post #1447 Slide Ruler W/plastic Case Made In Japan
Vintage Frederick Post #1447 Slide Ruler W/plastic Case Made In Japan

$12.00

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K & E slide ruler
K & E slide ruler

$24.95

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

$25.00

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UNIQUE UNIVERSAL slide ruler Made in England Unique 1 In box
UNIQUE UNIVERSAL slide ruler Made in England Unique 1 In box

$34.00

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VINTAGE OLD LOGAREX SLIDE RULER - 27403-II
VINTAGE OLD LOGAREX SLIDE RULER - 27403-II

$24.99

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Vintage Engineering Instruments Wooden 10 Inch Slide Ruler Model 10B with Case
Vintage Engineering Instruments Wooden 10 Inch Slide Ruler Model 10B with Case

$18.22

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VINTAGE OLD LOGAREX SLIDE RULER - 27403-II - WITH DAMAGED BOX
VINTAGE OLD LOGAREX SLIDE RULER - 27403-II - WITH DAMAGED BOX

$24.99

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Vintage Slide Ruler Engineering Instruments Inc Tool Made in USA w/ Case
Vintage Slide Ruler Engineering Instruments Inc Tool Made in USA w/ Case

$19.99

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Vintage logarithmic slide ruler STEADLER no.467 in original plastic box
Vintage logarithmic slide ruler STEADLER no.467 in original plastic box

$30.00

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K&E Sliding Ruler
K&E Sliding Ruler

$30.00

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Lot of 5 1920s/1930s advertising slide rules rulers (S7)
Lot of 5 1920s/1930s advertising slide rules rulers (S7)

$75.00

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Vintage Esser Slide RULER 10" w/ Brown Leather Case USA Made
Vintage Esser Slide RULER 10" w/ Brown Leather Case USA Made

$16.00

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Vintage Dietzgen CO. Slide Ruler
Vintage Dietzgen CO. Slide Ruler

$26.99

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Vintage Keuffel & Esser Co. Wall Hung Slide Ruler- Over 7' Long
Vintage Keuffel & Esser Co. Wall Hung Slide Ruler- Over 7' Long

$799.99

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