k-e-slide-rule-4081-3

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K&E Keuffel Esser 4081-3S 1210 Log Duplex Decitrig Slide Rule w/ box & case manu
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Keuffel & Esser K&E Log Log Duplex Decitrig Slide Rule 4081-3 Orig. Leather Case
Keuffel & Esser K&E Log Log Duplex Decitrig Slide Rule 4081-3 Orig. Leather Case

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Keuffel & Esser K&E Log Log Duplex Decitrig Slide Rule 4081-3 Orig. Leather Case
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VINTAGE 1947 K+E KEUFFEL ESSER MODEL 4081-3 SLIDE RULE LOG DUPLEX DECITRIG CASE
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1947 Keuffel and Esser K&E 4081-3 Log Log Duplex Decitrig Slide Rule REAd
1947 Keuffel and Esser K&E 4081-3 Log Log Duplex Decitrig Slide Rule REAd

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Vintage K&E Keuffel & Esser 4081-3 Slide rule W/ Pickett Case USA 1947
Vintage K&E Keuffel & Esser 4081-3 Slide rule W/ Pickett Case USA 1947

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VTG Used Keuffel & Esser K&E 4081-3 Log Log Duplex Trig Slide Rule w/Case & Box
VTG Used Keuffel & Esser K&E 4081-3 Log Log Duplex Trig Slide Rule w/Case & Box

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1947 K+E 4081-3 Log Log Duplex Trig Slide Rule w/ Leather Case Keuffel Esser
1947 K+E 4081-3 Log Log Duplex Trig Slide Rule w/ Leather Case Keuffel Esser

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Vintage Keuffel & Esser Co. K&E Slide Rule 4081-3 Made in USA 151500
Vintage Keuffel & Esser Co. K&E Slide Rule 4081-3 Made in USA 151500

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Vintage 1947 Keuffel Esser K&E 4081-3 Log Log Duplex Decitrig Slide Rule w/Case
Vintage 1947 Keuffel Esser K&E 4081-3 Log Log Duplex Decitrig Slide Rule w/Case

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K&E Keuffel & Esser 4081-3 Log Log Duplex Decitrig Slide Rule with Leather Case
K&E Keuffel & Esser 4081-3 Log Log Duplex Decitrig Slide Rule with Leather Case

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1947 K&E Keuffel & Esser 4081-3 Log Log Duplex Decitrig Slide Rule w/ Case USA
1947 K&E Keuffel & Esser 4081-3 Log Log Duplex Decitrig Slide Rule w/ Case USA

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K+E #N4081-3 LOG LOG DUPLEX DECITRIG SLIDE RULE W/LEATHER CASE (1947)
K+E #N4081-3 LOG LOG DUPLEX DECITRIG SLIDE RULE W/LEATHER CASE (1947)

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Keuffel & Esser Co. Catalog 1929 Survey Drafting Compass Stationary Slide Rule
Keuffel & Esser Co. Catalog 1929 Survey Drafting Compass Stationary Slide Rule

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K&E Keuffel & Esser 4081-3 Log Log Duplex Decitrig Slide Rule c1947
K&E Keuffel & Esser 4081-3 Log Log Duplex Decitrig Slide Rule c1947

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Vintage Keuffel & Esser K&E N4081-3 Log Log Duplex Decitrig Slide Ruler
Vintage Keuffel & Esser K&E N4081-3 Log Log Duplex Decitrig Slide Ruler

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K&E Kueffel & Esser Log Log Duplex Deoitrig Slide Rule  4081-3  S.M. Rising
K&E Kueffel & Esser Log Log Duplex Deoitrig Slide Rule 4081-3 S.M. Rising

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Keuffel Esser KE Slide Rule 4081-3 Log Log Duplex Decitrig Leather Case Box USA
Keuffel Esser KE Slide Rule 4081-3 Log Log Duplex Decitrig Leather Case Box USA

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Keuffel & Esser Model 4081-3 Log Log Duplex Decitrig 1947 Slide Rule w/ Case
Keuffel & Esser Model 4081-3 Log Log Duplex Decitrig 1947 Slide Rule w/ Case

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K&E N4081-3 Log Log Duplex Decitrig Slide Rule Bamboo w/ Leather Case LOT 4-417
K&E N4081-3 Log Log Duplex Decitrig Slide Rule Bamboo w/ Leather Case LOT 4-417

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K&E Keuffel & Esser Model 4081-3 Log Log Duplex Decitrig 1947 Slide Rule w/ Case
K&E Keuffel & Esser Model 4081-3 Log Log Duplex Decitrig 1947 Slide Rule w/ Case

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1947 K&E Keuffel & Esser Slide Rule N4081-3 Log Duplex Decitrig USA No Case
1947 K&E Keuffel & Esser Slide Rule N4081-3 Log Duplex Decitrig USA No Case

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1947 K&E Keuffel & Esser Slide Rule N4081-3 Log Duplex Decitrig USA
1947 K&E Keuffel & Esser Slide Rule N4081-3 Log Duplex Decitrig USA

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Vintage K&E Keuffel & Esser N4081-3 Slide Rule with Leather Case 1947
Vintage K&E Keuffel & Esser N4081-3 Slide Rule with Leather Case 1947

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K+E 4081-3S Slide Rule With Original Box And Leather Case
K+E 4081-3S Slide Rule With Original Box And Leather Case

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1947 K&E Keuffel & Esser 4081-3 Log Log Duplex Decitrig Slide Rule w/ Case USA
1947 K&E Keuffel & Esser 4081-3 Log Log Duplex Decitrig Slide Rule w/ Case USA

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VTG RARE 1947 K&E Slide Rule 4081-3 LOG LOG DUPLEX DECITRIG KEUFFEL & KESSER CO.
VTG RARE 1947 K&E Slide Rule 4081-3 LOG LOG DUPLEX DECITRIG KEUFFEL & KESSER CO.

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Vintage K&E Keuffel & Esser Slide Rule 4081-3 Log Log Duplex Decitrig No Case
Vintage K&E Keuffel & Esser Slide Rule 4081-3 Log Log Duplex Decitrig No Case

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VINTAGE KEUFFEL & ESSER (K&E) N4081-3 SLIDE RULE LOG LOG DUPLEX DECITRIG
VINTAGE KEUFFEL & ESSER (K&E) N4081-3 SLIDE RULE LOG LOG DUPLEX DECITRIG

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1947 K&E Keuffel & Esser 4081-3 Log Log Duplex Slide Rule w/ Case w/Manual
1947 K&E Keuffel & Esser 4081-3 Log Log Duplex Slide Rule w/ Case w/Manual

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VTG RARE 1947 K&E Slide Rule 4081-3 LOG LOG DUPLEX DECITRIG KEUFFEL & KESSER CO.
VTG RARE 1947 K&E Slide Rule 4081-3 LOG LOG DUPLEX DECITRIG KEUFFEL & KESSER CO.

$39.95

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Vintage Keuffel & Esser KE 4081-3 Log Log Duplex Decitrig Slide Rule Case Box
Vintage Keuffel & Esser KE 4081-3 Log Log Duplex Decitrig Slide Rule Case Box

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Vintage Keuffel & Esser Co. K&E Slide Rule 4081-3 With Leather Case Made in USA
Vintage Keuffel & Esser Co. K&E Slide Rule 4081-3 With Leather Case Made in USA

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Keuffel & Esser K+E Slide Rule 4081-3 Log Log Duplex Decitrig 1947 Leather Case
Keuffel & Esser K+E Slide Rule 4081-3 Log Log Duplex Decitrig 1947 Leather Case

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VTG RARE 1947 K&E Slide Rule 4081-3 LOG LOG DUPLEX DECITRIG KEUFFEL & KESSER CO.
VTG RARE 1947 K&E Slide Rule 4081-3 LOG LOG DUPLEX DECITRIG KEUFFEL & KESSER CO.

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Keuffel & Esser 4081-3 Slide Rule with Case
Keuffel & Esser 4081-3 Slide Rule with Case

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1947 K&E Keuffel Esser Log Log Duplex Decitrig Slide Rule 4081-3S w/Case, Manual
1947 K&E Keuffel Esser Log Log Duplex Decitrig Slide Rule 4081-3S w/Case, Manual

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✅️🔥VINTAGE K&E Keuffel & Esser N4081-3, Pickett N902-ES Slide Rules + Drawing
✅️🔥VINTAGE K&E Keuffel & Esser N4081-3, Pickett N902-ES Slide Rules + Drawing

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Keuffel & Esser 4081-3 Slide Ruler With Leather Case and Original Manual 387639
Keuffel & Esser 4081-3 Slide Ruler With Leather Case and Original Manual 387639

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VTG RARE 1947 K&E Slide Rule 4081-3 LOG LOG DUPLEX DECITRIG KEUFFEL & ESSER CO.
VTG RARE 1947 K&E Slide Rule 4081-3 LOG LOG DUPLEX DECITRIG KEUFFEL & ESSER CO.

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Vintage Keuffel & Esser KE 4081-3 Log Log Duplex Decitrig Slide Rule Case Box
Vintage Keuffel & Esser KE 4081-3 Log Log Duplex Decitrig Slide Rule Case Box

$35.99

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VTG K&E Keuffel Esser Model 4081-3S Log Duplex Slide Rule w/ Leather Case & Box
VTG K&E Keuffel Esser Model 4081-3S Log Duplex Slide Rule w/ Leather Case & Box

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Vtg  Keuffel & Esser K&E 4081-3 Log Duplex Decitrig Slide Rule Plus Extra Sld Rl
Vtg Keuffel & Esser K&E 4081-3 Log Duplex Decitrig Slide Rule Plus Extra Sld Rl

$25.00

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1947 K&E Keuffel & Esser Slide Rule N4081-3 Log Duplex Decitrig USA Leather Case
1947 K&E Keuffel & Esser Slide Rule N4081-3 Log Duplex Decitrig USA Leather Case

$22.50

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Keuffel & Esser K&E 4081-3 Log Duplex Decitrig Slide Rule W/ Case free shipping
Keuffel & Esser K&E 4081-3 Log Duplex Decitrig Slide Rule W/ Case free shipping

$29.95

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Vintage Keuffel Esser KE 4081-3 Slide Rule Log Log Duplex Decitrig Box & Book
Vintage Keuffel Esser KE 4081-3 Slide Rule Log Log Duplex Decitrig Box & Book

$40.49

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VTG 1947 Keuffel & Esser K&E N4081-3 Log Log Duplex Decitrig Slide Rule w/Case
VTG 1947 Keuffel & Esser K&E N4081-3 Log Log Duplex Decitrig Slide Rule w/Case

$25.00

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VINTAGE KEUFFEL & ESSER K&E MODEL 4081-3 LOG LOG SLIDE RULE IN CASE NICE
VINTAGE KEUFFEL & ESSER K&E MODEL 4081-3 LOG LOG SLIDE RULE IN CASE NICE

$39.95

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B15 Keuffel & Esser 4081-3 12" Slide Rule with leather case
B15 Keuffel & Esser 4081-3 12" Slide Rule with leather case

$20.00

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VINTAGE K&E Keuffel & Esser Slide Rule 4081-3 Log Duplex Decitrig w/booklet Case
VINTAGE K&E Keuffel & Esser Slide Rule 4081-3 Log Duplex Decitrig w/booklet Case

$69.99

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VTG  K E LOG LOG DUPLEX DECITRIG SLIDE RULE 1947 4081-3 LEATHER CASE BOX PAPERS
VTG K E LOG LOG DUPLEX DECITRIG SLIDE RULE 1947 4081-3 LEATHER CASE BOX PAPERS

$21.95

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Vintage 1939 K&E Slide Rule 4081-3 LOG LOG DUPLEX DECITRIG KEUFFEL & KESSER CO.
Vintage 1939 K&E Slide Rule 4081-3 LOG LOG DUPLEX DECITRIG KEUFFEL & KESSER CO.

$69.00

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Keuffel Esser K&E Log Log Duplex Decitrig Slide Rule Leather Case N4081-3
Keuffel Esser K&E Log Log Duplex Decitrig Slide Rule Leather Case N4081-3

$19.99

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Vintage K&E Vintage Slide Rule 4081-3 Log Duplex w PENN STATE Leather Case & Box
Vintage K&E Vintage Slide Rule 4081-3 Log Duplex w PENN STATE Leather Case & Box

$31.20

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Keuffel & Esser K-E 4081-3 Engineer’s Slide Rule In Leather Case
Keuffel & Esser K-E 4081-3 Engineer’s Slide Rule In Leather Case

$19.98

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1947 K&E Keuffel & Esser Slide Rule N4081-3 Log Duplex Decitrig USA
1947 K&E Keuffel & Esser Slide Rule N4081-3 Log Duplex Decitrig USA

$19.00

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K & E 4081-3S LOG LOG DUPLEX DECITRIG KEUFFEL & ESSER SLIDE RULE W/LEATHER CASE
K & E 4081-3S LOG LOG DUPLEX DECITRIG KEUFFEL & ESSER SLIDE RULE W/LEATHER CASE

$29.99

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Vtg 1947 K & E Keuffel & Esser 4081-3 Slide Rule w Leather Case Duplex Decitrig
Vtg 1947 K & E Keuffel & Esser 4081-3 Slide Rule w Leather Case Duplex Decitrig

$52.95

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Keuffer & Esser K&E Log Log Duplex Decitrig Slide Rule 4081-3S in Leather Case
Keuffer & Esser K&E Log Log Duplex Decitrig Slide Rule 4081-3S in Leather Case

$39.00

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K&E 4081-3 Slide Rule - Log Log Duplex Decitrig - Keuffel & Esser - Made In USA
K&E 4081-3 Slide Rule - Log Log Duplex Decitrig - Keuffel & Esser - Made In USA

$55.00

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Vintage Keuffel & Esser K&E 4081-3 Log Log Duplex Decitrig Slide Rule W/Case
Vintage Keuffel & Esser K&E 4081-3 Log Log Duplex Decitrig Slide Rule W/Case

$19.87

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Vintage, 1947, Keuffel and  Esser Co. K&E 4081-3 Slide Rule with Leather Case
Vintage, 1947, Keuffel and Esser Co. K&E 4081-3 Slide Rule with Leather Case

$30.00

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

$44.99

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3 Manuals K&E LogLog Duplex Decitrig N4081, Vector N4083 Supplementary, DI Scale
3 Manuals K&E LogLog Duplex Decitrig N4081, Vector N4083 Supplementary, DI Scale

$18.00

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Vintage Keuffel & Esser K&E 4081-3 Log Log Duplex Decitrig Slide Rule & Case
Vintage Keuffel & Esser K&E 4081-3 Log Log Duplex Decitrig Slide Rule & Case

$29.99

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Vintage K&E Keuffel & Esser Co. 4081-3 Log Log Duplex Decitrig Slide Rule W/ Lea
Vintage K&E Keuffel & Esser Co. 4081-3 Log Log Duplex Decitrig Slide Rule W/ Lea

$39.95

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VINTAGE K&E Keuffel & Esser Slide Rule N4081-3 Log Log Duplex Decitrig 1947 USA
VINTAGE K&E Keuffel & Esser Slide Rule N4081-3 Log Log Duplex Decitrig 1947 USA

$49.99

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Vintage Keuffel & Esser K&E 4081-3 Log Log Duplex Decitrig Slide Rule with case
Vintage Keuffel & Esser K&E 4081-3 Log Log Duplex Decitrig Slide Rule with case

$35.00

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Keuffel & Esser K&E USA Log Log Duplex Decitrig 4081-3 Slide Rule 12½in 21 scale
Keuffel & Esser K&E USA Log Log Duplex Decitrig 4081-3 Slide Rule 12½in 21 scale

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VINTAGE K&E Keuffel & Esser Slide Rule N4081-3 Log Log Duplex Decitrig 1947 USA
VINTAGE K&E Keuffel & Esser Slide Rule N4081-3 Log Log Duplex Decitrig 1947 USA

$39.99

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Vtg 1944 K&E Keuffel Esser Model 4081-3S Log Duplex Decitrig Slide Rule Case Box
Vtg 1944 K&E Keuffel Esser Model 4081-3S Log Duplex Decitrig Slide Rule Case Box

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Vintage 1947 K & E Slide Rule 4081-3S Log Log Duplex Decitrig Slide Rule OG Box
Vintage 1947 K & E Slide Rule 4081-3S Log Log Duplex Decitrig Slide Rule OG Box

$179.99

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*Needs repair Vintage Keuffel & Esser K&E 4081-3 Log Slide Ruler and Case
*Needs repair Vintage Keuffel & Esser K&E 4081-3 Log Slide Ruler and Case

$13.98

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Collectable 1947 K&E (Keuffel & Esser) 4081-3 Log Duplex Decitrig Slide Rule
Collectable 1947 K&E (Keuffel & Esser) 4081-3 Log Duplex Decitrig Slide Rule

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Keuffel Esser Slide Rule N4081-3 Log Duplex Decitrig USA Leather Pile signed
Keuffel Esser Slide Rule N4081-3 Log Duplex Decitrig USA Leather Pile signed

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Vintage 1947 K&E Keuffel & Esser Slide Rule N4081-3 Log Duplex Decitrig USA
Vintage 1947 K&E Keuffel & Esser Slide Rule N4081-3 Log Duplex Decitrig USA

$19.99

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K&E Keuffel & Esser 4081-3 Log Log Duplex Decitrig Slide Rule w/ Case 1947 USA
K&E Keuffel & Esser 4081-3 Log Log Duplex Decitrig Slide Rule w/ Case 1947 USA

$24.50

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Keuffel & Esser K&E 4081-3 LOG LOG DUPLEX DECITRIG Slide Rule with Leather Case
Keuffel & Esser K&E 4081-3 LOG LOG DUPLEX DECITRIG Slide Rule with Leather Case

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1940's K&E Log Log Duplex Decitrig Slide Rule 4081-3 Leather Case Keuffel Esser
1940's K&E Log Log Duplex Decitrig Slide Rule 4081-3 Leather Case Keuffel Esser

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1947 Keuffel & Esser Co. Log Log Duplex Vector Slide Ruler Orange Case N4081-3
1947 Keuffel & Esser Co. Log Log Duplex Vector Slide Ruler Orange Case N4081-3

$24.99

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1947 Keuffel & Esser (K&E) N4081-3 Slide Rule Log Log Duplex Decitrig
1947 Keuffel & Esser (K&E) N4081-3 Slide Rule Log Log Duplex Decitrig

$16.95

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K&E Keuffel & Esser 4081-3 Log Log Duplex Decitrig Slide Rule w/ Case 1947 USA
K&E Keuffel & Esser 4081-3 Log Log Duplex Decitrig Slide Rule w/ Case 1947 USA

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

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1947 K&E Keuffel & Esser 4081-3 Log Log Duplex Decitrig Slide Rule w/ Case USA
1947 K&E Keuffel & Esser 4081-3 Log Log Duplex Decitrig Slide Rule w/ Case USA

$29.99

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1947 K&E Keuffel & Esser Slide Rule N4081-3 Log Duplex Decitrig USA Case
1947 K&E Keuffel & Esser Slide Rule N4081-3 Log Duplex Decitrig USA Case

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K&E 4081-3  Slide Rule, With Case and Manual No. N4081 Keuffel & Esser Vintage
K&E 4081-3 Slide Rule, With Case and Manual No. N4081 Keuffel & Esser Vintage

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Vtg K&E Keuffel Esser Co Log Log Duplex Decitrig Slide Rule 4081-3S Leather Case
Vtg K&E Keuffel Esser Co Log Log Duplex Decitrig Slide Rule 4081-3S Leather Case

$39.95

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Vintage Keuffel Esser 4081-3 Slide Rule with  Case 🇺🇸
Vintage Keuffel Esser 4081-3 Slide Rule with Case 🇺🇸

$25.00

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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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Vintage 1947 12" Slide Rule Keuffel and Esser N4081-3 with Case
Vintage 1947 12" Slide Rule Keuffel and Esser N4081-3 with Case

$19.95

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1947 K&E Keuffel & Esser Slide Rule N4081-3 Log Duplex Decitrig USA
1947 K&E Keuffel & Esser Slide Rule N4081-3 Log Duplex Decitrig USA

$25.00

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Vintage Keuffel & Esser K&E 4081-3  Slide Rule & Case
Vintage Keuffel & Esser K&E 4081-3 Slide Rule & Case

$27.99

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K&E Slide Rule Keuffel & Esser N4081-3 Log Log Duplex Decitrig Leather Case 1947
K&E Slide Rule Keuffel & Esser N4081-3 Log Log Duplex Decitrig Leather Case 1947

$34.95

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Keuffel Esser KE Slide Rule 4081-3 Log Log Duplex Decitrig Leather Case Box USA
Keuffel Esser KE Slide Rule 4081-3 Log Log Duplex Decitrig Leather Case Box USA

$38.55

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Keuffel & Esser K&E 4081-3  Slide Rule & Case Vintage 999382
Keuffel & Esser K&E 4081-3 Slide Rule & Case Vintage 999382

$29.99

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Vintage K&E Keuffel Esser Model 4081-3S Slide Rule W/ Leather Case & Box
Vintage K&E Keuffel Esser Model 4081-3S Slide Rule W/ Leather Case & Box

$39.99

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Vintage K & E Keuffel & Esser Log Log Decitrig 1947 Slide Rule 4081-3 Case
Vintage K & E Keuffel & Esser Log Log Decitrig 1947 Slide Rule 4081-3 Case

$44.00

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K&E Keuffel & Esser 4081-3 Log Log and Bruning 2402 Slide Rule w/ Case 1947 USA
K&E Keuffel & Esser 4081-3 Log Log and Bruning 2402 Slide Rule w/ Case 1947 USA

$28.00

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3 VINTAGE Slide Rule K&E 4058, N4081-3 Log Duplex Decitrig 1947,  Bituminous Mix
3 VINTAGE Slide Rule K&E 4058, N4081-3 Log Duplex Decitrig 1947, Bituminous Mix

$59.00

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Vintage Keuffel & Esser 4081-3 slide rule with brown leather case
Vintage Keuffel & Esser 4081-3 slide rule with brown leather case

$68.84

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