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VINTAGE K&E Keuffel & Esser Slide Rule 4081-3 Made In The USA- 1947- Log Log
VINTAGE K&E Keuffel & Esser Slide Rule 4081-3 Made In The USA- 1947- Log Log

$66.77

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VINTAGE K&E Keuffel & Esser Slide Rule 4081-3 Made In The USA- 1947- Duplex Log
VINTAGE K&E Keuffel & Esser Slide Rule 4081-3 Made In The USA- 1947- Duplex Log

$62.91

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K&E 68 1100 Slide Rule w/ Leather Case Keuffel & Esser Deci Lon Vintage
K&E 68 1100 Slide Rule w/ Leather Case Keuffel & Esser Deci Lon Vintage

$74.99

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K&E 68 1100 Slide Rule w/ Leather Case Keuffel & Esser Deci Lon-Free Shipping
K&E 68 1100 Slide Rule w/ Leather Case Keuffel & Esser Deci Lon-Free Shipping

$74.95

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Keuffel & Esser K+E Slide Rule 68-1210 Log Log Duplex Decitrig w/ Leather case
Keuffel & Esser K+E Slide Rule 68-1210 Log Log Duplex Decitrig w/ Leather case

$29.99

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Keuffel & Esser 68 1400 Analon Simplex Slide Rule w/Leather Case K&E
Keuffel & Esser 68 1400 Analon Simplex Slide Rule w/Leather Case K&E

$395.90

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Slide Rule Keuffel & Esser No 4080-3 Log Log Duplex Trig With Leather Case 13" L
Slide Rule Keuffel & Esser No 4080-3 Log Log Duplex Trig With Leather Case 13" L

$19.99

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Keuffel & Esser 4080-3 Log Log Trig Duplex 10" Mahogany Slide Rule S/N 262848
Keuffel & Esser 4080-3 Log Log Trig Duplex 10" Mahogany Slide Rule S/N 262848

$24.99

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Keuffel & Esser K&E N4080-3 Log Log Duplex Trig Slide Rule W/ Leather Case
Keuffel & Esser K&E N4080-3 Log Log Duplex Trig Slide Rule W/ Leather Case

$32.95

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Vintage Keuffel & Esser 4092-3 Engineers Slide Rule With "Rough"Case
Vintage Keuffel & Esser 4092-3 Engineers Slide Rule With "Rough"Case

$12.00

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Keuffel & Esser 4080-3 Log Trig Duplex 12" Slide Rule with Leather Case (READ)
Keuffel & Esser 4080-3 Log Trig Duplex 12" Slide Rule with Leather Case (READ)

$14.99

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Slide Rule Keuffel & Esser Co. Missing One Spring Clip Vintage Antique
Slide Rule Keuffel & Esser Co. Missing One Spring Clip Vintage Antique

$12.85

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Vintage 1927 University of Pittsburgh Keuffel & Esser Slide Rule w/ Leather Case
Vintage 1927 University of Pittsburgh Keuffel & Esser Slide Rule w/ Leather Case

$125.00

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KEUFFEL & ESSER N4081-3 SLIDE RULE Log Duplex Decitrig w/ Leather Case
KEUFFEL & ESSER N4081-3 SLIDE RULE Log Duplex Decitrig w/ Leather Case

$44.92

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Slide Rule Keuffel & Esser Copyright 1947 Wood Dark Green Leather? Case
Slide Rule Keuffel & Esser Copyright 1947 Wood Dark Green Leather? Case

$29.00

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Keuffel & Esser 4088-3 Slide Rule Pat June 5, '00 Dec 22 1908 Case Made in USA
Keuffel & Esser 4088-3 Slide Rule Pat June 5, '00 Dec 22 1908 Case Made in USA

$36.00

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Keuffel Esser K & E Cooke USN Radio Slide Rule USA with Leather Case
Keuffel Esser K & E Cooke USN Radio Slide Rule USA with Leather Case

$29.99

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K&E Keuffel & Esser 68-1130 Slide Rule w/ Leather Case Deci Lon 5
K&E Keuffel & Esser 68-1130 Slide Rule w/ Leather Case Deci Lon 5

$210.00

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Vintage K+E Keuffel & Esser 4092-3 Slide Rule in Leather Case 1924 Pat. Date
Vintage K+E Keuffel & Esser 4092-3 Slide Rule in Leather Case 1924 Pat. Date

$17.99

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Antique Thatcher's Calculator Keuffel & Esser Slide Rule Drum 4012 Case & Manual
Antique Thatcher's Calculator Keuffel & Esser Slide Rule Drum 4012 Case & Manual

$1200.00

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Keuffel Esser KE Slide Rule 4081-3 Log Duplex Leather Case Box + Pickett N901
Keuffel Esser KE Slide Rule 4081-3 Log Duplex Leather Case Box + Pickett N901

$42.00

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Keuffel & Esser Log Log Duplex Slide Rule 4092-3 with Leather Case USA - Vintage
Keuffel & Esser Log Log Duplex Slide Rule 4092-3 with Leather Case USA - Vintage

$22.95

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Very Clean K&E 68 1100 Slide Rule w/ Leather Case Keuffel & Esser Deci Lon 10
Very Clean K&E 68 1100 Slide Rule w/ Leather Case Keuffel & Esser Deci Lon 10

$127.00

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Vintage Keuffel & Esser No. 4139 Cooke Radio Slide Rule & Original Case
Vintage Keuffel & Esser No. 4139 Cooke Radio Slide Rule & Original Case

$12.95

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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

$20.00

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Keuffel and Esser N.Y 4092-3 Log Log Duplex Slide Rule with original case
Keuffel and Esser N.Y 4092-3 Log Log Duplex Slide Rule with original case

$25.00

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Vintage Keuffel & Esser Co Polyphase Wooden Slide Rule 4053-3 10" Patent Pending
Vintage Keuffel & Esser Co Polyphase Wooden Slide Rule 4053-3 10" Patent Pending

$24.99

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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

$29.99

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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

$46.00

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K&E N4058W Beginners Slide Rule Vintage Keuffel & Essex Co. with Case U.S.A.
K&E N4058W Beginners Slide Rule Vintage Keuffel & Essex Co. with Case U.S.A.

$14.99

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VTG 1940s K + E Keuffel & Esser Log Log Duplex Decitrig Decimal Log Slide Rule
VTG 1940s K + E Keuffel & Esser Log Log Duplex Decitrig Decimal Log Slide Rule

$69.99

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Keuffel & Esser Co. Slide Rule KE 12" Copyright 1947 #62 1210 With Case USA
Keuffel & Esser Co. Slide Rule KE 12" Copyright 1947 #62 1210 With Case USA

$34.00

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vintage keuffel esser slide rule 6 inch with case
vintage keuffel esser slide rule 6 inch with case

$22.00

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Vintage 1940's K & E Keuffel and Esser 4181-3 Slide Rule With Leather Case
Vintage 1940's K & E Keuffel and Esser 4181-3 Slide Rule With Leather Case

$27.00

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The Polyphase Duplex Slide Rule Self-Teaching Manual, Keuffel & Esser Co, 1924
The Polyphase Duplex Slide Rule Self-Teaching Manual, Keuffel & Esser Co, 1924

$19.99

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Purdue University Keuffel & Esser K&E N4133 Roy Lance Electrical Slide Rule
Purdue University Keuffel & Esser K&E N4133 Roy Lance Electrical Slide Rule

$45.00

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K&E Slide Rule Doric 9061-1 KEUFFEL & ESSER With Case VGC
K&E Slide Rule Doric 9061-1 KEUFFEL & ESSER With Case VGC

$14.00

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Vintage Keuffel Esser K&E Slide Rule 4083-3 Leather Case and Box
Vintage Keuffel Esser K&E Slide Rule 4083-3 Leather Case and Box

$36.99

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Keuffel & Esser 4083-3 Patent 6-5-00, 12-22-08 & Pat Pend Slide Rule With Case
Keuffel & Esser 4083-3 Patent 6-5-00, 12-22-08 & Pat Pend Slide Rule With Case

$18.70

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K&E KEUFFEL & ESSER N-4053-3 SLIDE RULE w/Case and Manual Polyphase. USA 1944
K&E KEUFFEL & ESSER N-4053-3 SLIDE RULE w/Case and Manual Polyphase. USA 1944

$49.88

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Vintage Keuffel & Esser Slide Rule A2 Made In The USA- 1947
Vintage Keuffel & Esser Slide Rule A2 Made In The USA- 1947

$27.95

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

$49.00

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Clean Keuffel & Esser 4081-3 Slide Rule w/ Leather Case K&E Patented 1947
Clean Keuffel & Esser 4081-3 Slide Rule w/ Leather Case K&E Patented 1947

$67.00

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Polyphase Wood Vintage Keuffel & Esser Co en Slide Rule 4053-3 10"
Polyphase Wood Vintage Keuffel & Esser Co en Slide Rule 4053-3 10"

$16.70

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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

$39.00

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Vintage Keuffel & Esser N4053-3 Slide Rule
Vintage Keuffel & Esser N4053-3 Slide Rule

$9.99

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Keuffel & Esser K & E 4080-3 Log Log Duplex Trig Slide Rule W/ Case USA Vintage
Keuffel & Esser K & E 4080-3 Log Log Duplex Trig Slide Rule W/ Case USA Vintage

$38.67

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Vintage 1950s KEUFFEL & ESSER Co NY USA 10.5" WOODEN BEGINNER'S SLIDE RULE #4058
Vintage 1950s KEUFFEL & ESSER Co NY USA 10.5" WOODEN BEGINNER'S SLIDE RULE #4058

$10.00

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Vintage 1920s K & E Beginners Slide Rule 4058c Keuffel & Esser Wood - 5694
Vintage 1920s K & E Beginners Slide Rule 4058c Keuffel & Esser Wood - 5694

$15.00

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B15 K&E Keuffel & Esser 9068 Doric Pocket Slide Rule with Slip case
B15 K&E Keuffel & Esser 9068 Doric Pocket Slide Rule with Slip case

$23.49

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VINTAGE WOOD K&E KEUFFEL & ESSER 20" N-4053-5 SLIDE RULE - Missing Curser
VINTAGE WOOD K&E KEUFFEL & ESSER 20" N-4053-5 SLIDE RULE - Missing Curser

$42.99

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Vintage Engineering Slide Rule Keuffel & Esser Co. With leather Case 1947 Wood
Vintage Engineering Slide Rule Keuffel & Esser Co. With leather Case 1947 Wood

$35.00

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Vintage keuffel esser slide rule N4081-3 copyright 1947
Vintage keuffel esser slide rule N4081-3 copyright 1947

$39.00

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Vintage Keuffel & Esser Co. K&E Slide Rule 4081-3 With Original Case. READ
Vintage Keuffel & Esser Co. K&E Slide Rule 4081-3 With Original Case. READ

$28.25

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Vintage Slide Rule KEUFFEL & ESSER K&E Beginner's N4058W Ruler Engineer & Case
Vintage Slide Rule KEUFFEL & ESSER K&E Beginner's N4058W Ruler Engineer & Case

$9.95

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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

$22.00

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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

$20.00

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Vintage Keuffel & Esser Slide Rule No 4083-3 Log Log Duplex Vector 1947
Vintage Keuffel & Esser Slide Rule No 4083-3 Log Log Duplex Vector 1947

$28.00

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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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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

$20.00

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Keuffel & Esser Company, 1947, DORIC K & E, Slide Rule, N9081-3 With Black Case
Keuffel & Esser Company, 1947, DORIC K & E, Slide Rule, N9081-3 With Black Case

$39.99

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Vintage 1960's KEUFFEL & ESSER K+E DECI-LON Slide Rule 68-1100 With Case GREAT
Vintage 1960's KEUFFEL & ESSER K+E DECI-LON Slide Rule 68-1100 With Case GREAT

$149.99

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1915-17 Keuffel & Esser 4088-3 Slide Rule In Case
1915-17 Keuffel & Esser 4088-3 Slide Rule In Case

$23.99

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K&E Keuffel & Esser 4080-3 Slide Rule & Case 1947 Log Duplex Trig
K&E Keuffel & Esser 4080-3 Slide Rule & Case 1947 Log Duplex Trig

$24.00

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

$25.99

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K&E No. 4081 Slide Rule Manual Log Log Duplex Decitrig Keuffel & Esser 1955
K&E No. 4081 Slide Rule Manual Log Log Duplex Decitrig Keuffel & Esser 1955

$11.98

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Vintage K & E Keuffel and Esser 4181-3 Slide Rule w/ Leather Case
Vintage K & E Keuffel and Esser 4181-3 Slide Rule w/ Leather Case

$29.99

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VINTAGE 1947 KEUFFEL & ESSER SLIDE RULE 68 1200
VINTAGE 1947 KEUFFEL & ESSER SLIDE RULE 68 1200

$74.99

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K&E No. 4081 Manual Log Log Duplex Decitrig Slide Rule Keuffel & Esser
K&E No. 4081 Manual Log Log Duplex Decitrig Slide Rule Keuffel & Esser

$11.00

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Vintage Wood Slide Rule Keuffel & Esser Co 4058W With Original Case!
Vintage Wood Slide Rule Keuffel & Esser Co 4058W With Original Case!

$24.95

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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

$45.00

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Slide Rule Keuffel & Esser K&E Model 4070-3 1960 Polyphase Duplex Trig case
Slide Rule Keuffel & Esser K&E Model 4070-3 1960 Polyphase Duplex Trig case

$25.00

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Antique K+E Keuffel & Esser Wood Slide Rule Model N4041 Pat. 1900 1915
Antique K+E Keuffel & Esser Wood Slide Rule Model N4041 Pat. 1900 1915

$24.99

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Vintage Keuffel & Esser K&E 4053-3 Slide Rule w/Case Made In USA
Vintage Keuffel & Esser K&E 4053-3 Slide Rule w/Case Made In USA

$29.95

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K+E 4080-3 Log Log Duplex Trig Slide Rule W/ Leather Case Keuffel Esser Vintage
K+E 4080-3 Log Log Duplex Trig Slide Rule W/ Leather Case Keuffel Esser Vintage

$34.99

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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

$54.89

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Vintage 1950s K&E Keuffel & Esser Co. Log Log Duplex Vector Slide Rule 4083-3
Vintage 1950s K&E Keuffel & Esser Co. Log Log Duplex Vector Slide Rule 4083-3

$34.95

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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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Large Drafting Tool Lot - Keuffel Esser Co K&E Slide Rule, Post, Alvin
Large Drafting Tool Lot - Keuffel Esser Co K&E Slide Rule, Post, Alvin

$79.99

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K&E Keuffel & Esser Model N4083-3 Log Log Duplex 1947 Slide Rule CRACKED CURSOR
K&E Keuffel & Esser Model N4083-3 Log Log Duplex 1947 Slide Rule CRACKED CURSOR

$24.99

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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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Keuffel & Esser Company, 1947, DORIC K & E, Slide Rule, N9081-3 Case + Manual
Keuffel & Esser Company, 1947, DORIC K & E, Slide Rule, N9081-3 Case + Manual

$59.00

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VTG Keuffel & Esser K&E Favorite Slide Rule #4055 w/Hard Case - See Description
VTG Keuffel & Esser K&E Favorite Slide Rule #4055 w/Hard Case - See Description

$13.49

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Keuffel & Esser Beginner's Slide Rule N4058W Made In USA- Vintage
Keuffel & Esser Beginner's Slide Rule N4058W Made In USA- Vintage

$14.99

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K&E Keuffel & Esser VTG Slide Rule N4056-3 MISSING CURSOR
K&E Keuffel & Esser VTG Slide Rule N4056-3 MISSING CURSOR

$5.00

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XRARE- Keuffel & Esser Slide Rule 4081-3 Log Duplex Decitrig w/ Magnifier, K & E
XRARE- Keuffel & Esser Slide Rule 4081-3 Log Duplex Decitrig w/ Magnifier, K & E

$75.00

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Vintage Keuffel & Esser (K+E) USA 4181-1 7" Slide Rule Leather Case 1947
Vintage Keuffel & Esser (K+E) USA 4181-1 7" Slide Rule Leather Case 1947

$48.59

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Keuffel Esser K+E 4080-3 Log Log Duplex Trig Slide Rule w Case and 4081 Decitrig
Keuffel Esser K+E 4080-3 Log Log Duplex Trig Slide Rule w Case and 4081 Decitrig

$42.00

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Vintage K & E Keuffel & Esser Co. N. Y. 4054 Slide Rule Leather Case Drafting
Vintage K & E Keuffel & Esser Co. N. Y. 4054 Slide Rule Leather Case Drafting

$27.55

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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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K+E/Keuffel+Esser 4161-1C Pocket Slide Rule Leather Sheath Manual Book/Complete
K+E/Keuffel+Esser 4161-1C Pocket Slide Rule Leather Sheath Manual Book/Complete

$35.00

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Keuffel Esser K+E KE Doric Slide Rule Original Slipcase and Leather Sleeve 9068
Keuffel Esser K+E KE Doric Slide Rule Original Slipcase and Leather Sleeve 9068

$49.99

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K&E KEUFFEL & ESSER CO NY SLIDE RULE IN LEATHER CASE 4088-3 ANTIQUE VINTAGE
K&E KEUFFEL & ESSER CO NY SLIDE RULE IN LEATHER CASE 4088-3 ANTIQUE VINTAGE

$19.99

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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. 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

$24.99

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🌟 K+E KEUFFEL ESSER LOG LOG DUPLEX SLIDE RULE & LEATHER CASE
🌟 K+E KEUFFEL ESSER LOG LOG DUPLEX SLIDE RULE & LEATHER CASE

$30.00

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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

$19.99

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Keuffel & Esser K+E Vintage Slide Rule N-4053-3 with Leather Case FREE SHIPPING
Keuffel & Esser K+E Vintage Slide Rule N-4053-3 with Leather Case FREE SHIPPING

$19.99

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Vintage Keuffel & Esser Slide Rule w Leather Case
Vintage Keuffel & Esser Slide Rule w Leather Case

$39.99

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Vintage Keuffel & Esser Co. 68-1220 Log Log Duplex Decitrig Slide Rule/Manual
Vintage Keuffel & Esser Co. 68-1220 Log Log Duplex Decitrig Slide Rule/Manual

$49.95

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