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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 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 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 Oversized 4 ft WO Slide Rule by Pickett
Vintage Oversized 4 ft WO Slide Rule by Pickett

$275.00

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Keuffel & Esser Co. Slide Rule KE 12" Copyright 1947 #68 1256 W/ Case & Box USA
Keuffel & Esser Co. Slide Rule KE 12" Copyright 1947 #68 1256 W/ Case & Box USA

$31.50

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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 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

$39.99

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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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1961 Keuffel & Esser Co Slide Rule Model KE 681892 K-12 Prep B-21 Retro Vintage
1961 Keuffel & Esser Co Slide Rule Model KE 681892 K-12 Prep B-21 Retro Vintage

$21.99

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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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Vintage Keuffel & Esser KE SLIDE RULE #4055 w/Hard Case Early 20th Century
Vintage Keuffel & Esser KE SLIDE RULE #4055 w/Hard Case Early 20th Century

$14.95

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Vintage 50-60s Sans & Streiffe No. 312 Slide Rule W/ Leather Case Japan MCM
Vintage 50-60s Sans & Streiffe No. 312 Slide Rule W/ Leather Case Japan MCM

$29.99

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

$19.99

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Vintage Keuffel Esser KE Slide Rule N4081-3 Log Duplex DeciTrig with Case
Vintage Keuffel Esser KE Slide Rule N4081-3 Log Duplex DeciTrig with Case

$23.98

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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 KE Slide Rule Model N4058W + Leather Case Vintage
Keuffel & Esser KE Slide Rule Model N4058W + Leather Case Vintage

$10.00

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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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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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Vintage Eugene Dietzgen Slide Rule N1733 Decimal Trig Type Log Rule Leather Case
Vintage Eugene Dietzgen Slide Rule N1733 Decimal Trig Type Log Rule Leather Case

$19.99

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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

$82.49

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Vintage Keuffel & Esser KE SLIDE RULE #4055 Early 20th Century
Vintage Keuffel & Esser KE SLIDE RULE #4055 Early 20th Century

$12.45

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Vintage Keuffel & Esser KE N4058W Beginners Slide Rule w/ Case Made in USA
Vintage Keuffel & Esser KE N4058W Beginners Slide Rule w/ Case Made in USA

$19.50

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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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Hard To Find K&E Keuffel & Esser 4133 Roylance Electrical Mannheim Slide Rule
Hard To Find K&E Keuffel & Esser 4133 Roylance Electrical Mannheim Slide Rule

$98.00

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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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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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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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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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Rare Vintage 1930's Keuffel & Esser Kurtz 4090-3 Psychrometric Slide Rule w Case
Rare Vintage 1930's Keuffel & Esser Kurtz 4090-3 Psychrometric Slide Rule w Case

$150.00

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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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VTG DIETZGEN MANIPHASE DECIMAL TRIG TYPE LOG LOG SLIDE RULE CAT NO. 1732 W/CASE
VTG DIETZGEN MANIPHASE DECIMAL TRIG TYPE LOG LOG SLIDE RULE CAT NO. 1732 W/CASE

$29.00

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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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Slide Rule Multi-Log K + E Leather Case VTG (Case is a little worn with Name)
Slide Rule Multi-Log K + E Leather Case VTG (Case is a little worn with Name)

$32.00

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RARE K&E slide rule, N4053-8 KEUFFLER & ESSER PAT. JUNE 5 1900
RARE K&E slide rule, N4053-8 KEUFFLER & ESSER PAT. JUNE 5 1900

$40.00

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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

$22.95

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Vintage KE Model N4053-3 Slide Ruler With Magnifier and Case Keuffel & Esser
Vintage KE Model N4053-3 Slide Ruler With Magnifier and Case Keuffel & Esser

$17.95

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vintage DIETZGEN Sigma 1737 Decimal Trig Type Log-Log duplex slide rule, c.1970
vintage DIETZGEN Sigma 1737 Decimal Trig Type Log-Log duplex slide rule, c.1970

$34.95

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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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THE LOG LOG DUPLEX DECITRIG KE MANUAL, SLIDE RULE How To Use (1947
THE LOG LOG DUPLEX DECITRIG KE MANUAL, SLIDE RULE How To Use (1947

$12.99

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Vintage SANS & STREIFFE No. 310 Slide Rule *LEATHER CASE* *JAPAN*
Vintage SANS & STREIFFE No. 310 Slide Rule *LEATHER CASE* *JAPAN*

$28.56

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

$34.99

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K&E Keuffel & Esser 4161-1 Pocket Slide Rule Orange Leather Sheath Case
K&E Keuffel & Esser 4161-1 Pocket Slide Rule Orange Leather Sheath Case

$34.99

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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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Vtg Keuffel & Esser KE Co. Slide Rule K-12 Prep 68 1892 FS, 6/80
Vtg Keuffel & Esser KE Co. Slide Rule K-12 Prep 68 1892 FS, 6/80

$23.99

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Vintage Keuffel & Esser Beginner’s Slide Rule 4058C w/ Case
Vintage Keuffel & Esser Beginner’s Slide Rule 4058C w/ Case

$25.00

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

$22.99

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Vintage 50-60s Sans & Streiffe No. 312 Slide Rule W/ Leather Case Japan MCM
Vintage 50-60s Sans & Streiffe No. 312 Slide Rule W/ Leather Case Japan MCM

$26.95

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Slide Rule
Slide Rule

$109.88

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Fullerton Circular Slide Rule by K.K Konsaisu, Acudial Model# 1458, Used
Fullerton Circular Slide Rule by K.K Konsaisu, Acudial Model# 1458, Used

$29.00

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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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Early Keuffel & Esser K&E 4053-3 Wood Slide Rule w/ Leather Case - Pat 8/17/15
Early Keuffel & Esser K&E 4053-3 Wood Slide Rule w/ Leather Case - Pat 8/17/15

$45.99

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Vintage Keuffel & Esser KE Co. Slide Rule K-12 Prep Ruler 681892 w/ Case, Manual
Vintage Keuffel & Esser KE Co. Slide Rule K-12 Prep Ruler 681892 w/ Case, Manual

$24.95

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Vintage A.W. Faber Slide Rule D.R.P. No. 206428
Vintage A.W. Faber Slide Rule D.R.P. No. 206428

$35.40

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Keuffel & Esser K&E ANTIQUE JUNE 5, 1900 Slide Rule W Leather Case
Keuffel & Esser K&E ANTIQUE JUNE 5, 1900 Slide Rule W Leather Case

$20.00

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K&E Keuffel Esser- Slide Rule W/Box and Manual- K 9 Prep- 68 1892- Desk Model
K&E Keuffel Esser- Slide Rule W/Box and Manual- K 9 Prep- 68 1892- Desk Model

$39.99

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Vintage Stadia Circular Slide Rule/China slide rule
Vintage Stadia Circular Slide Rule/China slide rule

$40.00

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Keuffel & Esser KE Slide Rules Hardcover 1955 Jetlog and Decitrig Manual
Keuffel & Esser KE Slide Rules Hardcover 1955 Jetlog and Decitrig Manual

$15.99

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K&E Keuffel & Esser Mannheim N4041 Vintage Slide Rule w/ Orig Box PAT 1934.232
K&E Keuffel & Esser Mannheim N4041 Vintage Slide Rule w/ Orig Box PAT 1934.232

$33.95

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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 4055 Favorite Simplex Slide Rule with Original Case USA
Vintage Keuffel & Esser 4055 Favorite Simplex Slide Rule with Original Case USA

$13.00

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K&E, Keuffel & Esser Vtg N4041 Slide Rule & Case, Pat'd June 5, 1900, USA
K&E, Keuffel & Esser Vtg N4041 Slide Rule & Case, Pat'd June 5, 1900, USA

$55.58

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Vintage KEUFFEL & ESSER(K&E) Beginner's Slide Rule Wooden 4058W w/ Case
Vintage KEUFFEL & ESSER(K&E) Beginner's Slide Rule Wooden 4058W w/ Case

$12.95

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Vintage Dietzgen REDIRULE No 1776 Pocket w/ Case + Philips Slide Rule w/ Case
Vintage Dietzgen REDIRULE No 1776 Pocket w/ Case + Philips Slide Rule w/ Case

$49.99

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VTG Favorite K & E Co. Keuffel Esser 4055 Mannheim Slide Rule W/ Leather Case
VTG Favorite K & E Co. Keuffel Esser 4055 Mannheim Slide Rule W/ Leather Case

$21.25

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1927 Slide Rule K&E Keuffel & Esser Mannheim N4041 w/Orig. leatherette box NMINT
1927 Slide Rule K&E Keuffel & Esser Mannheim N4041 w/Orig. leatherette box NMINT

$44.95

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📏 Dietzgen Model 1734 Slide Rule 📏 Box - Sheath - Extras
📏 Dietzgen Model 1734 Slide Rule 📏 Box - Sheath - Extras

$49.95

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VINTAGE 14" LAFAYETTE SLIDE RULE No.F-428 WITH ORIGINAL LEATHER CASE JAPAN
VINTAGE 14" LAFAYETTE SLIDE RULE No.F-428 WITH ORIGINAL LEATHER CASE JAPAN

$26.95

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K & E Keuffel & Esser Slide Rule Jet-Log 68 1256 Black Case & Manuel Rare
K & E Keuffel & Esser Slide Rule Jet-Log 68 1256 Black Case & Manuel Rare

$175.00

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Vintage Keuffel & Esser Co. K&E Slide Rule Leather Case Made in USA Clean White!
Vintage Keuffel & Esser Co. K&E Slide Rule Leather Case Made in USA Clean White!

$34.29

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KEUFFEL & ESSER 20" Mahogany Wood Slide Rule, With leather case
KEUFFEL & ESSER 20" Mahogany Wood Slide Rule, With leather case

$68.00

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1961 Keuffel & Esser Co Slide Rule Model KE 681892 K-12 Prep B-21 Retro Vintage
1961 Keuffel & Esser Co Slide Rule Model KE 681892 K-12 Prep B-21 Retro Vintage

$18.00

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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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Vintage Keuffel and Esser Co 4133 & Eugene Dietzgen Co 1120 Slide Rule
Vintage Keuffel and Esser Co 4133 & Eugene Dietzgen Co 1120 Slide Rule

$40.00

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Relay Bamboo Slide Rule Model 150 TL-214, Original case and User Manual
Relay Bamboo Slide Rule Model 150 TL-214, Original case and User Manual

$38.70

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

$74.95

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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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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

$15.00

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Vintage Keuffel Esser KE 4092 Engineers Slide Rule And Case, Well Used, Pat 1908
Vintage Keuffel Esser KE 4092 Engineers Slide Rule And Case, Well Used, Pat 1908

$19.99

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Vintage SEALED Dietzgen Decimal Log Slide Rule Cat No B-1734-L 1734 Japan NOS
Vintage SEALED Dietzgen Decimal Log Slide Rule Cat No B-1734-L 1734 Japan NOS

$150.00

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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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Vintage Keuffel & Esser KE 4081-3 Log Log Duplex Decitrig Slide Rule w/case
Vintage Keuffel & Esser KE 4081-3 Log Log Duplex Decitrig Slide Rule w/case

$27.00

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Dietzgen No. 1767 National Slide Rule 12” Made in USA Vintage Leather Sleeve
Dietzgen No. 1767 National Slide Rule 12” Made in USA Vintage Leather Sleeve

$16.00

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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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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

$12.99

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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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A.W. FARBER FEB 1913 CELLUOID SLIDE RULE #367 *w/CASE rqqr MADE in GERMANY
A.W. FARBER FEB 1913 CELLUOID SLIDE RULE #367 *w/CASE rqqr MADE in GERMANY

$36.00

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Vintage K&E Keuffel & Esser Co Slide Rule . 4056 ; 1930's (RED WOOD) in case
Vintage K&E Keuffel & Esser Co Slide Rule . 4056 ; 1930's (RED WOOD) in case

$29.00

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Vintage K&E Keuffel & Esser Co No. 68 1210 (1947) Wood Slide Rule, Case & Manual
Vintage K&E Keuffel & Esser Co No. 68 1210 (1947) Wood Slide Rule, Case & Manual

$50.00

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Vintage K&E Keuffel & Esser 4181-3 Slide Rule with Leather Case ©1947
Vintage K&E Keuffel & Esser 4181-3 Slide Rule with Leather Case ©1947

$25.00

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Vintage Keuffel & Esser KE Co. Slide Rule K-12 Prep Ruler 681892 w/ Case, Manual
Vintage Keuffel & Esser KE Co. Slide Rule K-12 Prep Ruler 681892 w/ Case, Manual

$34.97

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Vintage HIV Slide Rule Nr.1052 Made in Germany
Vintage HIV Slide Rule Nr.1052 Made in Germany

$30.00

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Vintage Keuffel & Esser Desktop Slide Rule N-4096 M Red Numbers With Case K&E
Vintage Keuffel & Esser Desktop Slide Rule N-4096 M Red Numbers With Case K&E

$149.95

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Vintage USA Made Keuffel & Esser Beginners Slide Rule 4058C w Box Instructions
Vintage USA Made Keuffel & Esser Beginners Slide Rule 4058C w Box Instructions

$19.95

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Keuffel & Esser 4045 - Scarce K&E 16-inch Slide Rule - Circa 1924 Serial #161695
Keuffel & Esser 4045 - Scarce K&E 16-inch Slide Rule - Circa 1924 Serial #161695

$69.99

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Vintage Keuffel & Esser K&E Pocket Slide Rule 4161 Box Case Manual
Vintage Keuffel & Esser K&E Pocket Slide Rule 4161 Box Case Manual

$41.65

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KEUFFEL & ESSER BEGINNER'S SLIDE RULE 4058 D With Box VINTAGE
KEUFFEL & ESSER BEGINNER'S SLIDE RULE 4058 D With Box VINTAGE

$13.96

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Vintage 1966 GOST 5161-57 Leningrad Slide Rule In Cardboard Box Made In SSSR
Vintage 1966 GOST 5161-57 Leningrad Slide Rule In Cardboard Box Made In SSSR

$29.99

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Vintage Slide Rule KENT 7153LL - Open simplex,w/Case,1960th-JAPAN
Vintage Slide Rule KENT 7153LL - Open simplex,w/Case,1960th-JAPAN

$65.00

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