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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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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

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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

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K&E Slide Rule Manual 4081 (45) & 4083 (39) Log Log Duplex Vector Keuffel Esser
K&E Slide Rule Manual 4081 (45) & 4083 (39) Log Log Duplex Vector Keuffel Esser

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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 20-inch "Mystery" Slide Rule w/ side K scale- Serial #924660
Keuffel & Esser K&E 20-inch "Mystery" Slide Rule w/ side K scale- Serial #924660

$299.99

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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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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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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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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 10.75” Keuffel & Esser (K & E) N4100 Stadia Slide Rule – Case/Box
Vintage 10.75” Keuffel & Esser (K & E) N4100 Stadia Slide Rule – Case/Box

$65.00

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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

$18.35

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

$39.19

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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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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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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 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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1948 4th Ed K+E 4080-3 Slide Rule Black Leather Case 10" Mahogany Duplex Vintage
1948 4th Ed K+E 4080-3 Slide Rule Black Leather Case 10" Mahogany Duplex Vintage

$15.99

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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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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 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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Extra Clean K&E 4158 K-12 PREP SLIDE RULE in orig case with instruction booklet
Extra Clean K&E 4158 K-12 PREP SLIDE RULE in orig case with instruction booklet

$24.99

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Vintage K&E slide rule New in Box (it was opened to show contents)
Vintage K&E slide rule New in Box (it was opened to show contents)

$107.50

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K&E SLIDE RULE LOG LOG DUPLEX 68 1287 w LEATHER CASE & INS BOOKLET & BOX rqqr
K&E SLIDE RULE LOG LOG DUPLEX 68 1287 w LEATHER CASE & INS BOOKLET & BOX rqqr

$55.00

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VINTAGE 1947 K+E KEUFFEL ESSER MODEL 4081-3 SLIDE RULE LOG DUPLEX DECITRIG CASE
VINTAGE 1947 K+E KEUFFEL ESSER MODEL 4081-3 SLIDE RULE LOG DUPLEX DECITRIG CASE

$36.70

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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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Van Nostrand Mannheim Slide Rule w/Box & Instructions & Small K&E
Van Nostrand Mannheim Slide Rule w/Box & Instructions & Small K&E

$17.00

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Vintage K&E Keuffel Esser Model 4054 Slide Rule With Leather Case Nice Logo USA
Vintage K&E Keuffel Esser Model 4054 Slide Rule With Leather Case Nice Logo USA

$18.67

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Vintage K+E Keuffel & Esser Co Slide Rule With Leather Case 68-1251 Made In USA
Vintage K+E Keuffel & Esser Co Slide Rule With Leather Case 68-1251 Made In USA

$98.00

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Keuffel Esser Co K&E Slide Rule Lot of 3 - N4083-3S, 4094 Merchant & 4098
Keuffel Esser Co K&E Slide Rule Lot of 3 - N4083-3S, 4094 Merchant & 4098

$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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1947 K&E Slide Rule Manual No. N4081 Log Log Duplex Decitrig Keuffel & Esser
1947 K&E Slide Rule Manual No. N4081 Log Log Duplex Decitrig Keuffel & Esser

$20.00

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

$34.99

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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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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 SLIDE RULE #4056 KEUFFEL & ESSER CO NY Leather Case
VINTAGE K&E SLIDE RULE #4056 KEUFFEL & ESSER CO NY Leather Case

$35.00

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

$39.00

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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 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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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

$26.30

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Vintage K&E 68-1100 Slide Rule With Leather Case Keuffel Esser Deci- Lon
Vintage K&E 68-1100 Slide Rule With Leather Case Keuffel Esser Deci- Lon

$79.99

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K&E No 68 2047 Slide Rule Manual
K&E No 68 2047 Slide Rule Manual

$5.00

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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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Vintage Engineering K&E 4080-3 Slide Rule with Case Made in USA
Vintage Engineering K&E 4080-3 Slide Rule with Case Made in USA

$15.84

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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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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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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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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

$16.00

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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

$24.47

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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

$8.97

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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

$29.99

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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)

$35.00

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Lot of 11 Vintage Slide Rule - Pickett, Sterling, Lietz, K & E
Lot of 11 Vintage Slide Rule - Pickett, Sterling, Lietz, K & E

$79.99

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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 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 POCKET K & E SLIDE RULE WITH LEATHER CASE & BOOKLET KEUFFEL & ESSER CO.
VINTAGE POCKET K & E SLIDE RULE WITH LEATHER CASE & BOOKLET KEUFFEL & ESSER CO.

$10.00

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VINTAGE K&E 681617 PLASTIC SLIDE RULE ORIGINAL GREEN LEATHER CASE
VINTAGE K&E 681617 PLASTIC SLIDE RULE ORIGINAL GREEN LEATHER CASE

$17.49

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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 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

$24.99

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K&E Slide Rule 4058W Original Leather Case complete Made in the USA
K&E Slide Rule 4058W Original Leather Case complete Made in the USA

$16.50

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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

$14.95

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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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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 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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Vintage K&E Keuffel & Esser 4181-3 Slide Rule with Leather Case
Vintage K&E Keuffel & Esser 4181-3 Slide Rule with Leather Case

$29.99

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Vintage Keuffel & Esser K&E 4054 Slide Rule W/ Leather Case in the Original Box
Vintage Keuffel & Esser K&E 4054 Slide Rule W/ Leather Case in the Original Box

$19.99

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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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🌟 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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K&E Log Log Duplex Decitrig Slide Rule with Leather Case Keuffel & Esser USA
K&E Log Log Duplex Decitrig Slide Rule with Leather Case Keuffel & Esser USA

$28.99

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Vintage K&E Slide Rule With Leather Case
Vintage K&E Slide Rule With Leather Case

$29.51

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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 Vintage Slide Ruler K&E Slide Rule Leather Case 4150-1
Keuffel & Esser Vintage Slide Ruler K&E Slide Rule Leather Case 4150-1

$18.99

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Vintage Keuffel & Esser Co. K-12 Prep K + E Slide Rule #681892 W/ Case
Vintage Keuffel & Esser Co. K-12 Prep K + E Slide Rule #681892 W/ Case

$30.00

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Vintage K&E Keuffel & Esser Log Duplex Decitrig Slide Rule w/ Case!
Vintage K&E Keuffel & Esser Log Duplex Decitrig Slide Rule w/ Case!

$34.99

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K&E LOG LOG DUPLEX DECITRIG SLIDE RULE 4081 ORIGINAL MANUAL VINTAGE 1945 BOOK
K&E LOG LOG DUPLEX DECITRIG SLIDE RULE 4081 ORIGINAL MANUAL VINTAGE 1945 BOOK

$15.00

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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

$12.34

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1939 K&E Slide Rule Manual No. N4083 Log Log Duplex Vector Keuffel & Esser
1939 K&E Slide Rule Manual No. N4083 Log Log Duplex Vector Keuffel & Esser

$20.00

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Vintage Doric 9071-3 Slide Rule Made in USA K&E Co.
Vintage Doric 9071-3 Slide Rule Made in USA K&E Co.

$14.99

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

$50.00

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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

$29.99

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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.

$14.95

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1956 K & E LOG LOG DUPLEX DECITRIG Booklet slide rule Guide B7
1956 K & E LOG LOG DUPLEX DECITRIG Booklet slide rule Guide B7

$19.99

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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

$49.90

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K&E Keuffel Esser No. 4083-3S Slide Rule Leather Case Box Log Log Duplex Vector
K&E Keuffel Esser No. 4083-3S Slide Rule Leather Case Box Log Log Duplex Vector

$40.00

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Vintage KEUFFEL & ESSER K+E Slide Rule in LEATHER CASE
Vintage KEUFFEL & ESSER K+E Slide Rule in LEATHER CASE

$19.44

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B15 K&E Keuffel & Esser 4181-3 Slide Rule with Green Leather case
B15 K&E Keuffel & Esser 4181-3 Slide Rule with Green Leather case

$24.00

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K+E Slide Rule Book Self Instruction Manual 1955 Jet Log Duplex
K+E Slide Rule Book Self Instruction Manual 1955 Jet Log Duplex

$25.00

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Vintage K&E Keuffel & Esser Co NY Beginners Slide Rule N4058W Case Instructions
Vintage K&E Keuffel & Esser Co NY Beginners Slide Rule N4058W Case Instructions

$22.00

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

$99.99

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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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K+E Slide Rule Manual Book Log Log Duplex Decitrig Keuffel Esser Hardcover
K+E Slide Rule Manual Book Log Log Duplex Decitrig Keuffel Esser Hardcover

$157.48

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