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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

$33.00

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1944 KE 4080-3 Slide Rule +Box+Case+Manual WWII 16th Golden Lion Engineer Baylor
1944 KE 4080-3 Slide Rule +Box+Case+Manual WWII 16th Golden Lion Engineer Baylor

$59.99

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Giant K&E Keuffel & Esser Classroom Display Working Slide Rule 86” 7 Feet Long
Giant K&E Keuffel & Esser Classroom Display Working Slide Rule 86” 7 Feet Long

$449.00

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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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'47Vintage Keuffel Esser KE Slide Rule N4081-3 Log Log Duplex DeciTrig with Case
'47Vintage Keuffel Esser KE Slide Rule N4081-3 Log Log Duplex DeciTrig with Case

$20.00

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

$15.00

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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 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

$53.02

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

$21.75

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

$275.00

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VTG Keuffel & Esser Co. Mannheim Linear Slide Rule 4045 1900 Orig Case
VTG Keuffel & Esser Co. Mannheim Linear Slide Rule 4045 1900 Orig Case

$12.00

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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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Vintage Keuffel & Esser Slide Rule Polyphase Duplex Trig. 4070-3 Leather Case
Vintage Keuffel & Esser Slide Rule Polyphase Duplex Trig. 4070-3 Leather Case

$14.95

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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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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 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

$18.00

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Keuffel & Esser K&E 68 1617 Polyphase Slide Rule With Case
Keuffel & Esser K&E 68 1617 Polyphase Slide Rule With Case

$25.95

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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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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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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 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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K&E Keuffel & Esser 6" Pocket Slide Rule with Slip case 4098
K&E Keuffel & Esser 6" Pocket Slide Rule with Slip case 4098

$14.99

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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

$38.55

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Vintage Eugene Dietzgen Slide Rule With Case 1750 P Nice Condition with Box
Vintage Eugene Dietzgen Slide Rule With Case 1750 P Nice Condition with Box

$76.49

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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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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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K&E Polyphase slide rule 4053-5; with case; 20.5"; mahogany
K&E Polyphase slide rule 4053-5; with case; 20.5"; mahogany

$69.00

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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

$18.00

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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 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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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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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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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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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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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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Vintage Eugene Dietzgen Co Multiplex Decimal Trig Type Log Slide Rule with Case
Vintage Eugene Dietzgen Co Multiplex Decimal Trig Type Log Slide Rule with Case

$28.99

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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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K & E 4088-3 slide rule 10-inch with sheath (S-1230)
K & E 4088-3 slide rule 10-inch with sheath (S-1230)

$18.99

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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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CHARVOZ ROOS SLIDE RULE Model SR-104 with Case Made In USA
CHARVOZ ROOS SLIDE RULE Model SR-104 with Case Made In USA

$6.75

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

$69.88

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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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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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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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Vintage Ballantine Rule Slide Rule 1953. Volts, Power, dB, ratio
Vintage Ballantine Rule Slide Rule 1953. Volts, Power, dB, ratio

$11.98

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

$11.99

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

$49.00

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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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Keuffel Esser KE Slide Rule & Leather Case Box Set
Keuffel Esser KE Slide Rule & Leather Case Box Set

$110.00

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Slide rule collection - 9 rules and 3 booklets - vintage, from 4 family estates
Slide rule collection - 9 rules and 3 booklets - vintage, from 4 family estates

$99.99

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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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Vtg Eugene DIETZGEN SLIDE RULE No 1733 Polymath Decimal Trig Log
Vtg Eugene DIETZGEN SLIDE RULE No 1733 Polymath Decimal Trig Log

$12.99

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

$24.99

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Engineering Instruments Model 250-V 10 Inch Slide Rule w/Instructions & Case
Engineering Instruments Model 250-V 10 Inch Slide Rule w/Instructions & Case

$25.99

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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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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 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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K&E Keuffel & Esser Doric 681555 Slide Rule wClip-On Leather Case
K&E Keuffel & Esser Doric 681555 Slide Rule wClip-On Leather Case

$25.00

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

$100.00

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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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KEUFFEL & ESSER K&E 4058C ~ Natural Wood Beginner's Slide Rule ~ With Case
KEUFFEL & ESSER K&E 4058C ~ Natural Wood Beginner's Slide Rule ~ With Case

$19.95

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KEUFFEL & ESSER 20 1/2" N-4053-5 Mahogany Wood Slide Rule, Pat. 1,934232 in Case
KEUFFEL & ESSER 20 1/2" N-4053-5 Mahogany Wood Slide Rule, Pat. 1,934232 in Case

$85.00

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K&E 68 1318 Engineering Science Slide Rule LOG LOG DUPLEX TRIG & Leather Case
K&E 68 1318 Engineering Science Slide Rule LOG LOG DUPLEX TRIG & Leather Case

$149.95

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Vintage Engineering Instruments 10" Slide Rule 10B with Box & Instructions
Vintage Engineering Instruments 10" Slide Rule 10B with Box & Instructions

$13.04

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

$29.00

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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

$72.99

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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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RARE GERMAN CME SLIDE RULE WITH CASE
RARE GERMAN CME SLIDE RULE WITH CASE

$65.00

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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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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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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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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 Keuffel & Esser K&E - #N4053-2 Slide Rule with Case Made In USA *Read*
Vintage Keuffel & Esser K&E - #N4053-2 Slide Rule with Case Made In USA *Read*

$17.99

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Keuffel & Esser 4058 W Beginner's Slide Rule
Keuffel & Esser 4058 W Beginner's Slide Rule

$7.00

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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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Vintage KEUFFEL & ESSER Slide Rule w/ Green Leather Case 4070-3
Vintage KEUFFEL & ESSER Slide Rule w/ Green Leather Case 4070-3

$27.00

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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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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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