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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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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

$67.99

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Keuffel & Esser 10 Deci Lon 68 1100 Slide Rule With Leather Case And Strap, K&E
Keuffel & Esser 10 Deci Lon 68 1100 Slide Rule With Leather Case And Strap, K&E

$59.00

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Vintage Keuffel & Esser 1947 Decitrig Slide Rule with Leather Case USA 68 1210
Vintage Keuffel & Esser 1947 Decitrig Slide Rule with Leather Case USA 68 1210

$44.08

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early 1930's K+E Slide Rule N4053-3 Brown Leather Case Keuffel Esser Engineering
early 1930's K+E Slide Rule N4053-3 Brown Leather Case Keuffel Esser Engineering

$19.50

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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 Keuffel & Esser Co. 68-1210 Log Log Duplex Decitrig Slide Rule/Manual (D
Vintage Keuffel & Esser Co. 68-1210 Log Log Duplex Decitrig Slide Rule/Manual (D

$25.00

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

$19.99

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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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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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Vtg Keuffel & Esser K&E Polyphase Slide Rule N 4053-3 A Self Teaching Manual
Vtg Keuffel & Esser K&E Polyphase Slide Rule N 4053-3 A Self Teaching Manual

$8.99

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

$36.00

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Keuffel & Esser DECI-LON 68 1100 Slide Rule & Case c 1947, 1961 with Book
Keuffel & Esser DECI-LON 68 1100 Slide Rule & Case c 1947, 1961 with Book

$212.49

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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

$20.99

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Antique 1900's Keuffel & Esser 12" Slide Rule Model 4088-3 w/Case Vintage Tools
Antique 1900's Keuffel & Esser 12" Slide Rule Model 4088-3 w/Case Vintage Tools

$60.00

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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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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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Keuffel Esser Slide Rule N4081-3 Log Log Duplex Decitrig Leather Case Box Manual
Keuffel Esser Slide Rule N4081-3 Log Log Duplex Decitrig Leather Case Box Manual

$50.00

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Vintage Keuffel & Esser USA K&E #4161-1 Engineering Slide Rule - small 6" size
Vintage Keuffel & Esser USA K&E #4161-1 Engineering Slide Rule - small 6" size

$14.99

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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 Engineering Keuffel & Esser Co. Slide Rule; with leather case - 1947
Vintage Engineering Keuffel & Esser Co. Slide Rule; with leather case - 1947

$22.75

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Vintage Keuffel & Esser Co. K&E Slide Rule 4088-3 With Leather Case Made in USA
Vintage Keuffel & Esser Co. K&E Slide Rule 4088-3 With Leather Case Made in USA

$27.95

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Keuffel & Esser K&E Slide Rule Mannheim 4041 w/ 2 K&E Original Manuals 30s READ
Keuffel & Esser K&E Slide Rule Mannheim 4041 w/ 2 K&E Original Manuals 30s READ

$48.00

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Pickett N 3-ES Power Log Exponential Metal Slide Rule + Keuffel & Esser 4088-3
Pickett N 3-ES Power Log Exponential Metal Slide Rule + Keuffel & Esser 4088-3

$125.00

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B15 K&E Keuffel & Esser 4181 6" Pocket Slide Rule with Slip case
B15 K&E Keuffel & Esser 4181 6" Pocket Slide Rule with Slip case

$40.00

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VINTAGE - KEUFFEL & ESSER CO. POLYPHASE SLIDE RULE IN ORIGINAL CASE #4054
VINTAGE - KEUFFEL & ESSER CO. POLYPHASE SLIDE RULE IN ORIGINAL CASE #4054

$6.99

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Keuffel Esser Slide Rule Polyphase Mannheim N4053-5 Leather Case
Keuffel Esser Slide Rule Polyphase Mannheim N4053-5 Leather Case

$29.99

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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

$17.09

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Vintage 1941 Keuffel & Esser 4053-3 Slide Rule with Magnifier and Leather Case
Vintage 1941 Keuffel & Esser 4053-3 Slide Rule with Magnifier and Leather Case

$29.99

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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 Slide Rule 4088-3 Patent 1908 w/ Leather Case
Keuffel & Esser K&E Slide Rule 4088-3 Patent 1908 w/ Leather Case

$50.99

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

$24.50

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

$20.00

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Vintage Keuffel & Esser Co. K&E Slide Rule 4055 With Leather Case Made in USA
Vintage Keuffel & Esser Co. K&E Slide Rule 4055 With Leather Case Made in USA

$20.00

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Vintage K+E Deci-Lon 68 1100 Slide Rule Keuffel and Esser (No Case)
Vintage K+E Deci-Lon 68 1100 Slide Rule Keuffel and Esser (No Case)

$37.00

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Vintage Keuffel & Esser K&E 4058W Beginners Slide Rule w Case Made in USA Lot
Vintage Keuffel & Esser K&E 4058W Beginners Slide Rule w Case Made in USA Lot

$28.49

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Vintage K&E 68 1100 Slide Rule with Leather Case Keuffel & Esser Deci Lon 10
Vintage K&E 68 1100 Slide Rule with Leather Case Keuffel & Esser Deci Lon 10

$39.00

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K&E KEUFFEL & ESSER Vintage 1947 Slide Rule LEATHER CASE MODEL 4181-1 NICE ONE
K&E KEUFFEL & ESSER Vintage 1947 Slide Rule LEATHER CASE MODEL 4181-1 NICE ONE

$93.49

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Keuffel & Esser 10 Deci Lon 68 1100 Slide Rule With Leather Case, K&E Made USA
Keuffel & Esser 10 Deci Lon 68 1100 Slide Rule With Leather Case, K&E Made USA

$80.00

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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 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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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

$10.95

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Vtg Keuffel & Esser Slide Rule W/ Leather Case Model 4088-2 Plastic & Wood 10"
Vtg Keuffel & Esser Slide Rule W/ Leather Case Model 4088-2 Plastic & Wood 10"

$21.00

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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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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 Keuffel & Esser Co.4070-3 Slide Rule Black Leather Case
Vintage Keuffel & Esser Co.4070-3 Slide Rule Black Leather Case

$21.24

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

$19.99

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1956 Keuffel & Esser Co ins advertising booklet slide rule Don Herold
1956 Keuffel & Esser Co ins advertising booklet slide rule Don Herold

$9.99

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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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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 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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The Polyphase Slide Rule, A Self Training Manual, 1925 Keuffel & Esser Co.
The Polyphase Slide Rule, A Self Training Manual, 1925 Keuffel & Esser Co.

$8.00

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

$42.49

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Vintage Keuffel & Esser K&E Beginner's Wooden Slide Rule 4058C With Original Box
Vintage Keuffel & Esser K&E Beginner's Wooden Slide Rule 4058C With Original Box

$7.49

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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

$33.00

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Vintage Keuffel & Esser K+E Beginners Slide Rule, 4058W With Cover, 10 3/4”
Vintage Keuffel & Esser K+E Beginners Slide Rule, 4058W With Cover, 10 3/4”

$29.95

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K&E Slide Rule Manual No. 4081 Log Duplex Vector Keuffel & Esser Booklet - 1947
K&E Slide Rule Manual No. 4081 Log Duplex Vector Keuffel & Esser Booklet - 1947

$24.95

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Vintage K+E Keuffel & Esser Beginner's Slide Rule N4058W
Vintage K+E Keuffel & Esser Beginner's Slide Rule N4058W

$12.34

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

$19.54

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VINTAGE KEUFFEL & ESSER SLIDE RULE N4053-3 IN LEATHER CASE
VINTAGE KEUFFEL & ESSER SLIDE RULE N4053-3 IN LEATHER CASE

$15.00

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Vintage - Keuffel & Esser Slide Rule - 4088-3S with Distressed Leather Case
Vintage - Keuffel & Esser Slide Rule - 4088-3S with Distressed Leather Case

$14.95

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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 1947 KEUFFEL & ESSER 4181-1 SLIDE RULE WITH CASE USA
VINTAGE 1947 KEUFFEL & ESSER 4181-1 SLIDE RULE WITH CASE USA

$34.99

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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

$15.00

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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

$21.24

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

$20.00

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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

$19.00

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vintage keuffel esser slide rule from West Point Military Academy 1961
vintage keuffel esser slide rule from West Point Military Academy 1961

$20.00

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

$75.00

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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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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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VTG K&E Keuffel & Esser Co Log Log Duplex Slide Rule 681210 1947 Plus Case Rare!
VTG K&E Keuffel & Esser Co Log Log Duplex Slide Rule 681210 1947 Plus Case Rare!

$39.95

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K&E Slide Rule US PATENT Art Print READY TO FRAME!!!! 1915 Keuffel & Esser K E
K&E Slide Rule US PATENT Art Print READY TO FRAME!!!! 1915 Keuffel & Esser K E

$9.95

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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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Old 1908 Keuffel & Esser K&E 4088-3 Log Duplex Trig Slide Rule & Case - USA
Old 1908 Keuffel & Esser K&E 4088-3 Log Duplex Trig Slide Rule & Case - USA

$47.99

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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 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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Keuffel & Esser Co. N.Y. Pocket Slide Rule Model 4097C K&ECO W/ case
Keuffel & Esser Co. N.Y. Pocket Slide Rule Model 4097C K&ECO W/ case

$19.95

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Antique Keuffel & Esser K&E Slide Rule wooden beginner slide rule 4058C 1910's
Antique Keuffel & Esser K&E Slide Rule wooden beginner slide rule 4058C 1910's

$22.99

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1947 K+E 4080-3 Log Log Duplex Trig Slide Rule w/ Leather Case Keuffel Esser
1947 K+E 4080-3 Log Log Duplex Trig Slide Rule w/ Leather Case Keuffel Esser

$29.99

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Vtg Keuffel & Esser 4092-3 Slide Rule with Leather Case. 10”. USA.
Vtg Keuffel & Esser 4092-3 Slide Rule with Leather Case. 10”. USA.

$22.50

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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

$29.95

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Vintage 1961 K&E 68 1100 Slide Rule w/Leather Case Keuffel Esser Deci Lon
Vintage 1961 K&E 68 1100 Slide Rule w/Leather Case Keuffel Esser Deci Lon

$55.82

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K&E Keuffel & Esser Slide Rule 4088-3 Polyphase Duplex Pat 1900, 1908, 1915
K&E Keuffel & Esser Slide Rule 4088-3 Polyphase Duplex Pat 1900, 1908, 1915

$21.00

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Vintage KEUFFEL & ESSER 4088-3 Slide Rule With Case FREE SHIPPING
Vintage KEUFFEL & ESSER 4088-3 Slide Rule With Case FREE SHIPPING

$17.99

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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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Vintage 1961 K&E 68 1100 Slide Rule + Leather Case Keuffel & Esser Deci Lon 10
Vintage 1961 K&E 68 1100 Slide Rule + Leather Case Keuffel & Esser Deci Lon 10

$60.00

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Vintage Keuffel & Esser Slide Rule 4143 w/ Leather Case K&E Wood Made in USA
Vintage Keuffel & Esser Slide Rule 4143 w/ Leather Case K&E Wood Made in USA

$89.99

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Vintage Keuffel & Esser K+E Beginners Slide Rule, N4058W With Cover
Vintage Keuffel & Esser K+E Beginners Slide Rule, N4058W With Cover

$19.99

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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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Keuffel+Esser 68 1791 Pocket Slide Rule Blk Leather Sheath, Manual, Original Box
Keuffel+Esser 68 1791 Pocket Slide Rule Blk Leather Sheath, Manual, Original Box

$29.99

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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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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

$23.74

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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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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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K&E Keuffel & Esser Slide Rule 4080-3 w/Leather Case ~1939-1947 ~ #771214
K&E Keuffel & Esser Slide Rule 4080-3 w/Leather Case ~1939-1947 ~ #771214

$42.00

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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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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

$26.80

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