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Vintage K&E Keuffel & Esser slide rule 16-1892 in original pouch
Vintage K&E Keuffel & Esser slide rule 16-1892 in original pouch

$29.99

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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

$49.99

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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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Vintage K-E Keuffel & Esser Co Slide Rule N4058W with Case 11"L
Vintage K-E Keuffel & Esser Co Slide Rule N4058W with Case 11"L

$22.99

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1927 Keuffel & Esser K+E Mannheim Slide Rule Self Teaching Manual with Tables
1927 Keuffel & Esser K+E Mannheim Slide Rule Self Teaching Manual with Tables

$14.99

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

$225.00

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The Polyphase Duplex Slide Rule Self-Teaching Manual Keuffel & Esser Co 1925
The Polyphase Duplex Slide Rule Self-Teaching Manual Keuffel & Esser Co 1925

$19.99

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Vintage Beginner's #4058D Slide Rule Keuffel & Esser Co. USA
Vintage Beginner's #4058D Slide Rule Keuffel & Esser Co. USA

$15.00

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Antique Pat. 1924 - 10" Keuffel & Esser #4092-3 Engineers Slide Rule - READ
Antique Pat. 1924 - 10" Keuffel & Esser #4092-3 Engineers Slide Rule - READ

$15.00

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

$29.99

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Vintage K & E Wood Slide Rule Keuffel & Esser Co 4058W w/ Original Vinyl Case
Vintage K & E Wood Slide Rule Keuffel & Esser Co 4058W w/ Original Vinyl Case

$11.95

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KEUFFEL & ESSER SLIDE RULE Slide Ruler With Original Case,
KEUFFEL & ESSER SLIDE RULE Slide Ruler With Original Case,

$49.00

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Keuffel & Esser K&E Indicator Log Duplex Vector Slide Rule Soroban Abacus Leads+
Keuffel & Esser K&E Indicator Log Duplex Vector Slide Rule Soroban Abacus Leads+

$69.99

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Keuffel & Esser Slide Ruler & Case K&E 10” Model 4053-3S Polyphase Mannheim Type
Keuffel & Esser Slide Ruler & Case K&E 10” Model 4053-3S Polyphase Mannheim Type

$19.88

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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

$75.00

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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 Wood Slide Rule Keuffel & Esser Co 4058W w/ Original Vinyl Case
Vintage K & E Wood Slide Rule Keuffel & Esser Co 4058W w/ Original Vinyl Case

$19.99

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Keuffel & Esser K&E Doric Model 9061-1 Slide Rule with Original Case
Keuffel & Esser K&E Doric Model 9061-1 Slide Rule with Original Case

$20.00

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Keuffel & Esser Co. Slide Rule 7” Length Copyright 1947 Model 4181-1 Preowned.
Keuffel & Esser Co. Slide Rule 7” Length Copyright 1947 Model 4181-1 Preowned.

$26.95

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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 K&E 10.5" Pocket Beginner's Slide Rule N4058W W/Case
Vintage Keuffel & Esser K&E 10.5" Pocket Beginner's Slide Rule N4058W W/Case

$14.99

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VTG 1961 KEUFFEL & ESSER 68182 K-12 PREP SLIDE RULE PLASTIC POUCH INSTRUCTIONS
VTG 1961 KEUFFEL & ESSER 68182 K-12 PREP SLIDE RULE PLASTIC POUCH INSTRUCTIONS

$20.00

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Vtg 1947 K&E Keuffel & Esser 7" SLIDE RULE 4181-1 Original Green Leather Case
Vtg 1947 K&E Keuffel & Esser 7" SLIDE RULE 4181-1 Original Green Leather Case

$49.95

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Keuffel & Esser Deci-Lon 10 # 68-1100 Slide Rule W/ Leather Case
Keuffel & Esser Deci-Lon 10 # 68-1100 Slide Rule W/ Leather Case

$89.95

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Vintage Keuffel & Esser Co. K&E Slide Rule 4088-3 With Leather Case Pat 1900-08
Vintage Keuffel & Esser Co. K&E Slide Rule 4088-3 With Leather Case Pat 1900-08

$24.95

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Vintage Slide Rule Keuffel & Esser K&E Mannheim N4041
Vintage Slide Rule Keuffel & Esser K&E Mannheim N4041

$34.99

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Keuffel & Esser Co. Slide Rule, Leather Case & Manual No 4168
Keuffel & Esser Co. Slide Rule, Leather Case & Manual No 4168

$39.95

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

$119.99

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Favorite Trade Mark Keuffel & Esser Co NY 4056 Slide Rule In Case
Favorite Trade Mark Keuffel & Esser Co NY 4056 Slide Rule In Case

$29.89

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2 Vintage KEUFFEL & ESSER & POST HEMMI SLIDE RULE +1 DIETZGEN 1580R RULER
2 Vintage KEUFFEL & ESSER & POST HEMMI SLIDE RULE +1 DIETZGEN 1580R RULER

$12.95

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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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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

$12.00

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Keuffel & Esser K&E 4092-3 Log Log Duplex Slide Rule Leather Case Allen P. Bowie
Keuffel & Esser K&E 4092-3 Log Log Duplex Slide Rule Leather Case Allen P. Bowie

$28.00

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VINTAGE K&E Keuffel & Esser Slide Rule 4095-3, USA W Manual & Case
VINTAGE K&E Keuffel & Esser Slide Rule 4095-3, USA W Manual & Case

$19.95

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Vintage Keuffel Esser Slide Rule With Case 4081-3
Vintage Keuffel Esser Slide Rule With Case 4081-3

$24.99

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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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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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Antique Slide Rule, KEUFFEL & ESSER CO. Pat. June 5 1900
Antique Slide Rule, KEUFFEL & ESSER CO. Pat. June 5 1900

$20.00

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Vintage KEUFFEL & ESSER N4053-3 SLIDE RULE 10.5” Antique Wood +SUPER NICE+
Vintage KEUFFEL & ESSER N4053-3 SLIDE RULE 10.5” Antique Wood +SUPER NICE+

$11.75

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

$14.99

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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 K-E Keuffel & Esser Co Slide Rule N4058W with Case 11"L
Vintage K-E Keuffel & Esser Co Slide Rule N4058W with Case 11"L

$25.00

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Vintage Keuffel & Esser 4080-3 Slide Rule, w/Leather Case
Vintage Keuffel & Esser 4080-3 Slide Rule, w/Leather Case

$29.98

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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

$27.99

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Keuffel & Esser Deci-Lon 10 # 68-1100 Slide Rule W/ Leather Case
Keuffel & Esser Deci-Lon 10 # 68-1100 Slide Rule W/ Leather Case

$64.99

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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

$22.95

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VTG K&E Keuffel & Esser Co. Log Log Duplex Vector Slide Rule 4083-3 Box & Manual
VTG K&E Keuffel & Esser Co. Log Log Duplex Vector Slide Rule 4083-3 Box & Manual

$14.99

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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

$16.00

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Vintage Keuffel & Esser K & E: N4080-3 LOG LOG DUPLEX TRIG: Slide Rule With Case
Vintage Keuffel & Esser K & E: N4080-3 LOG LOG DUPLEX TRIG: Slide Rule With Case

$25.00

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Vintage KEUFFEL & ESSER N4092-3 SLIDE RULE 12.5” Antique +READ+
Vintage KEUFFEL & ESSER N4092-3 SLIDE RULE 12.5” Antique +READ+

$12.95

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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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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

$44.18

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Vintage Keuffel & Esser 4097- B Slide Rule w/ Instructions, Original Box.
Vintage Keuffel & Esser 4097- B Slide Rule w/ Instructions, Original Box.

$18.00

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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 & Esser 4053-3 Slide Rule w Leather Case [e-01]
Keuffel & Esser 4053-3 Slide Rule w Leather Case [e-01]

$24.50

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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

$12.34

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Vintage Keuffel & Esser Co. N.Y. ENGINEERING INSTRUMENTS SLIDE RULE in ORIGINAL
Vintage Keuffel & Esser Co. N.Y. ENGINEERING INSTRUMENTS SLIDE RULE in ORIGINAL

$27.00

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KEUFFEL & ESSER LOGO ENAMEL LAPEL PIN & DECAL SET K+E SLIDE RULE
KEUFFEL & ESSER LOGO ENAMEL LAPEL PIN & DECAL SET K+E SLIDE RULE

$8.50

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

$24.99

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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

$147.00

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Keuffel & Esser Slide Rule 4088-2 With Difficult to find stitched Leather Case
Keuffel & Esser Slide Rule 4088-2 With Difficult to find stitched Leather Case

$34.99

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

$29.97

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Keuffel & Esser Slide Rule 4181-1 , 1947 Made In U.S.
Keuffel & Esser Slide Rule 4181-1 , 1947 Made In U.S.

$50.00

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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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KEUFFEL & ESSER N4092-3 SLIDE RULE 12.5” Antique W/monogrammed Leather Case
KEUFFEL & ESSER N4092-3 SLIDE RULE 12.5” Antique W/monogrammed Leather Case

$19.69

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Keuffler Esser Co. N.Y. K&E Slide Rule 4092-3 With Leather Case
Keuffler Esser Co. N.Y. K&E Slide Rule 4092-3 With Leather Case

$25.19

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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

$32.09

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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

$39.99

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K & E Slide Rule 4181-3 w/ Leather Sheath Copyright 1947 by Keuffel & Esser
K & E Slide Rule 4181-3 w/ Leather Sheath Copyright 1947 by Keuffel & Esser

$22.40

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

$8.99

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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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keuffel esser slide rule 4187s
keuffel esser slide rule 4187s

$25.00

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

$11.69

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⭐️Keuffel & Esser Co. Slide Rule Manual Log Log Duplex Decitrig⭐️No. 68 2047⭐️
⭐️Keuffel & Esser Co. Slide Rule Manual Log Log Duplex Decitrig⭐️No. 68 2047⭐️

$9.95

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Vng.Slide Rule Keuffel & Esser K-12 Prep with Instrc. & Vinyl Sheath made in USA
Vng.Slide Rule Keuffel & Esser K-12 Prep with Instrc. & Vinyl Sheath made in USA

$25.95

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K&E Keuffel & Esser Co NY Slide Rule in Leather Case Polyphase 4088-2 ca 1940's
K&E Keuffel & Esser Co NY Slide Rule in Leather Case Polyphase 4088-2 ca 1940's

$22.00

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Keuffel & Esser No. 4090-3 Log Log Trig Duplex Slide Rule + Case + Extras
Keuffel & Esser No. 4090-3 Log Log Trig Duplex Slide Rule + Case + Extras

$22.95

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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

$29.98

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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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VTG Keuffel & Esser K&E Favorite Slide Rule #4081 w/Hard Case - See Description
VTG Keuffel & Esser K&E Favorite Slide Rule #4081 w/Hard Case - See Description

$8.99

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Slide Rule VTG K&E Keuffel & Esser Co. 1947 Log Log Duplex Vector 4083-3 READ
Slide Rule VTG K&E Keuffel & Esser Co. 1947 Log Log Duplex Vector 4083-3 READ

$19.99

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

$25.00

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Vintage 1955 K&E Manual No. 4081 Slide Rule Manual Keuffel & Esser Co USA
Vintage 1955 K&E Manual No. 4081 Slide Rule Manual Keuffel & Esser Co USA

$19.99

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Antique Keuffler Esser Co. K&E Slide Rule 4092-3 w/Leather Case Metal Cursor Bar
Antique Keuffler Esser Co. K&E Slide Rule 4092-3 w/Leather Case Metal Cursor Bar

$29.58

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1947 Keuffel & Esser K&E N4080-3 Log Log Duplex Trig Slide Rule
1947 Keuffel & Esser K&E N4080-3 Log Log Duplex Trig Slide Rule

$14.99

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Vintage Keuffel & Esser KE Slide Rule K-12 Prep Ruler #681892
Vintage Keuffel & Esser KE Slide Rule K-12 Prep Ruler #681892

$14.99

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Vtg KEUFFEL & ESSER KE Surveying Scope & Slide Rule with matching Leather Cases
Vtg KEUFFEL & ESSER KE Surveying Scope & Slide Rule with matching Leather Cases

$24.00

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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

$39.99

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K & E Keuffel & Esser Slide Rule With Leather Case K&E Log Log 4091-3
K & E Keuffel & Esser Slide Rule With Leather Case K&E Log Log 4091-3

$32.50

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Keuffel & Esser Co. Slide Rule Manual Log Log Duplex Decitrig No. 68 2047
Keuffel & Esser Co. Slide Rule Manual Log Log Duplex Decitrig No. 68 2047

$5.00

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Keuffel and Esser Beginners Slide Rule N4058W K&E Made in USA with Original Case
Keuffel and Esser Beginners Slide Rule N4058W K&E Made in USA with Original Case

$9.95

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Vintage Keuffel & Esser Co. N4058W Slide Rule
Vintage Keuffel & Esser Co. N4058W Slide Rule

$14.95

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Vintage Keuffel & Esser Co NY Slide Rule 4051 Pat. June 5 1900 w/ Leather Case
Vintage Keuffel & Esser Co NY Slide Rule 4051 Pat. June 5 1900 w/ Leather Case

$29.99

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Keuffel & Esser K+E Slide Rule 4092-3 Log Duplex Decitrig Leather Case
Keuffel & Esser K+E Slide Rule 4092-3 Log Duplex Decitrig Leather Case

$39.00

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Doric K&E Keuffel & Esser 9068 Pocket Slide Rule w/ Dark Green Leather Case 9595
Doric K&E Keuffel & Esser 9068 Pocket Slide Rule w/ Dark Green Leather Case 9595

$39.99

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KEUFFEL & ESSER 21 1/4" Mahogany Wood Slide Rule, Pat. 1934232 in Case / Boxes
KEUFFEL & ESSER 21 1/4" Mahogany Wood Slide Rule, Pat. 1934232 in Case / Boxes

$49.95

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

$44.99

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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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