Keuffel & Esser Vintage Slide Ruler K&E Slide Rule Leather Case 4153-1
Price: USD 23.49
Condition: Unspecified
Location: 852**
Shipping Type: FIXED
Shipping Cost: USD 5.89
Read More
Keuffel & Esser Vintage Slide Ruler K&E Slide Rule Black Leather Case 4097D USA
Price: USD 17.95
Condition: Used
Location: 335**
Shipping Type: FIXED
Shipping Cost: USD 4.25
Read More
Vintage K & E Slide Ruler Log Log Duplex Decitrig 4081-3 12.5" With Box Manual
Price: USD 20.00
Condition: Used
Location: 230**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Keuffel & Esser Vintage 1967 Slide Ruler K&E Slide Rule Leather Case 68 1648
Price: USD 15.00
Condition: Used
Location: 160**
Shipping Type: FIXED
Shipping Cost: USD 12.00
Read More
Vintage Keuffel & Esser Co. K&E Slide Ruler With Leather Case Made in USA
Price: USD 32.00
Condition: Used
Location: 554**
Shipping Type:
Shipping Cost: USD
Read More
Vintage Keuffel & Esser K&E K+E GP12 GP 12 Slide Rule Ruler + Slide & Case 1964
Price: USD 15.35
Condition: Used
Location: 708**
Shipping Type: FIXED
Shipping Cost: USD 5.85
Read More
June 5 1900 ~ Keuffel & Esser Co. K&E Slide Ruler w/Leather Case Made in USA
Price: USD 25.00
Condition: Used
Location: 853**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage 1940s K&E Keuffel & Esser Slide Ruler with Leather Case
Price: USD 20.00
Condition: Used
Location: 785**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage Keuffel & Esser K&E 4081-3 Log Duplex Decitrig Slide Ruler and Case A3
Price: USD 48.00
Condition: Used
Location: 801**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage K&E Double Sided Engineer/Electronics Slide Ruler w/ Leather Case
Price: USD 22.50
Condition: Used
Location: 945**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
*Needs repair Vintage Keuffel & Esser K&E 4081-3 Log Slide Ruler and Case
Price: USD 27.95
Condition: Used
Location: 490**
Shipping Type: FIXED
Shipping Cost: USD 10.00
Read More
K & E Pocket Slide Ruler + Manual #4168
Price: USD 35.00
Condition: Unspecified
Location: 811**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage K&E Slide Rule W/ Leather Orange Case Keuffel & Esser Ruler
Price: USD 49.99
Condition: Used
Location: 722**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage Keuffel & Esser Co Slide Ruler N4053-3 with Original Case
Price: USD 34.98
Condition: Used
Location: 666**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
K&E Keuffel & Esser Co. 4070-3 Slide Ruler Vintage Made in USA SN 834201
Price: USD 22.75
Condition: Used
Location: 794**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage DORIC K & E 9071 Slide Ruler Plus Sleeve
Price: USD 24.99
Condition: Used
Location: 188**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage K&E Keuffel & Esser 4153-1 Slide Ruler with Case
Price: USD 19.99
Condition: Used
Location: 197**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Keuffel & Esser Vintage Slide Ruler K&E Slide Rule Leather Case 4150-1
Price: USD 18.99
Condition: Used
Location: 109**
Shipping Type: FIXED
Shipping Cost: USD 5.00
Read More
Vintage Slide Rule Keuffel & Esser K&E Beginner's 4058W Ruler W Original Case
Price: USD 16.99
Condition: Used
Location: 920**
Shipping Type: FIXED
Shipping Cost: USD 5.95
Read More
Vintage Keuffel & Esser Vintage Slide Ruler K&E Slide Rule 046227 Rare 4081-3
Price: USD 35.00
Condition: Used
Location: 322**
Shipping Type: FIXED
Shipping Cost: USD 1.99
Read More
Keuffel & Esser K&E Slide Rule Ruler 4053-3 Celluloid Wood + Leather Case
Price: USD 17.99
Condition: Used
Location: 601**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage Keuffel & Esser K&E N4083-3 Log Log Duplex Decitrig Slide Ruler and Case
Price: USD 39.95
Condition: Used
Location: 275**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
K&E Keuffel & Esser Wood Slide Ruler 4053-3 Polyphase Vintage Rule June 5 1900
Price: USD 23.38
Condition: Used
Location: 275**
Shipping Type: FIXED
Shipping Cost: USD 4.99
Read More
K&E 68 1617 Keuffel & Esser 10" Slide Ruler With Teal/Green Leather Case
Price: USD 32.00
Condition: Used
Location: 647**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
VTG Pickett & Eckel Model N1010-ES Trig 1959 + K & E 68 1617 Slide Rulers
Price: USD 22.00
Condition: Used
Location: 186**
Shipping Type: FIXED
Shipping Cost: USD 10.00
Read More
Vintage 1947 Keuffel Esser Log Log Duplex Vector Engineering Slide Ruler #4083-3
Price: USD 17.76
Condition: Used
Location: 490**
Shipping Type:
Shipping Cost: USD
Read More
K & E Slide Ruler N9081-3 with original case
Price: USD 29.00
Condition: Used
Location: 308**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Keuffel & Esser K&E N4053-3 Slide Rule 10.5" Pat 1934232 + Paragon Ruler 1459PR
Price: USD 10.99
Condition: Unspecified
Location: 980**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
VTG Frederick Post Co 1462 Slide Ruler with K&E Leather Case
Price: USD 22.00
Condition: Used
Location: 852**
Shipping Type: FIXED
Shipping Cost: USD 10.50
Read More
Vintage Keuffel & Esser K & E 4058 W Beginners SLIDE RULER Wood
Price: USD 13.99
Condition: Used
Location: 026**
Shipping Type: FIXED
Shipping Cost: USD 9.99
Read More
Keuffel & Esser Co NY Slide RULER MADE IN USA K&E RARE VTG Sheath Leather!
Price: USD 19.00
Condition: Used
Location: 131**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vtg Keuffel & Esser 4080-3 Slide Rule/Ruler Case K&E USA 12" Pocket Calculator
Price: USD 29.99
Condition: Used
Location: 327**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
1947 Keuffel & Esser Co. Log Log Duplex Vector Slide Ruler Orange Case N4081-3
Price: USD 24.99
Condition: Used
Location: 161**
Shipping Type:
Shipping Cost: USD
Read More
Vintage K&E Keuffel & Esser 4092-3 Slide Ruler w/ Thick Leather Case - Crack
Price: USD 9.95
Condition: Used
Location: 179**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
VTG 1940's Keuffel & Esser Slide Ruler in Leather Case w/new Replacement Window
Price: USD 26.99
Condition: Unspecified
Location: 805**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
K&E Slide Rule 4058W Original Leather Case complete Made in the USA
Price: USD 19.99
Condition: Used
Location: 370**
Shipping Type:
Shipping Cost: USD
Read More
Vintage SUN HEMMI Bamboo No.40 Slide Rule and K & E Engineer Ruler #1399W
Price: USD 25.42
Condition: Used
Location: 853**
Shipping Type:
Shipping Cost: USD
Read More
Vtg Keuffel & Esser K & E Slide Ruler Log Log Duplex B9
Price: USD 22.49
Condition: Used
Location: 483**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage Frederick SUN Hemmi Japan K&E CO, NY USA Slide Rulers w Cases
Price: USD 45.50
Condition: Used
Location: 706**
Shipping Type:
Shipping Cost: USD
Read More
Keuffel & Esser 4081-3 Slide Ruler With Leather Case and Original Manual 387639
Price: USD 129.99
Condition: Used
Location: 982**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage Slide Rule KEUFFEL & ESSER K&E Beginner's N4058W Ruler Engineer & Case
Price: USD 9.95
Condition: Used
Location: 010**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
VINTAGE KEUFFEL & ESSER CO. N.Y.Slide Ruler 4081-3S + Leather Case Made in USA
Price: USD 19.50
Condition: Used
Location: 347**
Shipping Type: FIXED
Shipping Cost: USD 5.00
Read More
Keuffel & Esser K+E Vintage 1900 Slide Rule Tool 111417 Ruler in Leather Case
Price: USD 35.00
Condition: Used
Location: 038**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Keuffel & Esser Antique 20" slide ruler from mid 1930's
Price: USD 19.50
Condition: Used
Location: 117**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vtg Keuffel & Esser K&E 4081-3 Log Log Duplex Decitrig Slide Ruler & Case 1947
Price: USD 39.87
Condition: Used
Location: 490**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
1947 Keuffel & Esser Log Duplex Decitrig 4081-3S Slide Ruler with Case
Price: USD 34.95
Condition: Unspecified
Location: 543**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage KEUFFEL & ESSER CO K&E 1947 Slide Drafting Ruler Architect LEATHER Case
Price: USD 22.99
Condition: Used
Location: 803**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage KEUFFEL & ESSER CO K&E 1947 Slide Drafting Ruler Architect LEATHER Case
Price: USD 15.99
Condition: Used
Location: 851**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Slide Ruler 1900 Keuffel & Esser Co. K&E N4053-3 Log Duplex Decitrig Worn Case
Price: USD 27.99
Condition: Used
Location: 890**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vtg K & E SLIDE RULE 4085W USA + Alvin RULER No 241 Engine Divided WEST GERMANY
Price: USD 28.99
Condition: Used
Location: 972**
Shipping Type: FIXED
Shipping Cost: USD 4.99
Read More
Keuffel & Esser K+E 4081-3 Slide Ruler Drafting Vintage Leather Case/book READ*
Price: USD 54.95
Condition: Used
Location: 490**
Shipping Type: FIXED
Shipping Cost: USD 8.00
Read More
Vintage Keuffel & Esser K&E Co. Slide Ruler K-12 Prep 681892 w/ Case and Manual
Price: USD 14.95
Condition: Used
Location: 040**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage Keuffel & Esser Co. 10” Slide Ruler GDC N4053-3 COLLECTIBLE USEFUL Case
Price: USD 45.00
Condition: Used
Location: 201**
Shipping Type:
Shipping Cost: USD
Read More
K&E KEUFFEL & ESSER 4053-3 SLIDE RULE - Box Only, No Ruler
Price: USD 9.99
Condition: Used
Location: 857**
Shipping Type: FIXED
Shipping Cost: USD 6.85
Read More
Antique Keuffel & Esser Co. Slide Ruler In Original Leather Case. Model 4083-3.
Price: USD 175.00
Condition: Used
Location: 124**
Shipping Type: FIXED
Shipping Cost: USD 12.50
Read More
Vintage KEUFFEL & ESSER CO K&E 1947 Slide Drafting Ruler Architect LEATHER Case
Price: USD 20.00
Condition: Used
Location: 329**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vtg Keuffel & Esser co Ruler Sliding w Leather Case Model 4053-2 Wood K & E 4053
Price: USD 39.99
Condition: Used
Location: 483**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage K&E Keuffel & Esser 10 Slide Rule Ruler in Leather Case Antique
Price: USD 40.00
Condition: Used
Location: 166**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage Engineering Drafting & Slide Ruler Lot of 5, K&E, Lutz, Pease, Sterling
Price: USD 34.95
Condition: Used
Location: 610**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage Slide Rule KEUFFEL & ESSER K&E Beginner's 4058W Ruler Engineer & Case
Price: USD 9.95
Condition: Used
Location: 010**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage 1947 Keuffel & Esser K&E Slide Ruler + Leather Case & Instruction Books
Price: USD 49.95
Condition: Used
Location: 145**
Shipping Type: FIXED
Shipping Cost: USD 8.95
Read More
Keuffel & Esser Co NY Slide Ruler With Hard Case + Sterling No.594 FREE SHIP
Price: USD 29.99
Condition: Used
Location: 921**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage Keuffel & Esser Slide Ruler K&E Leather Case Concise
Price: USD 50.00
Condition: Used
Location: 339**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vtg Keuffel & Esser 4080-3 Slide Rule/Ruler Case K&E USA 12" Pocket Calculator
Price: USD 35.00
Condition: Used
Location: 441**
Shipping Type: FIXED
Shipping Cost: USD 10.00
Read More
Vintage Keuffel &Esser Co. Drafting Slide Ruler Original Leather Case N-4053-3
Price: USD 21.24
Condition: Used
Location: 113**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Keuffel & Esser Vintage Slide Ruler Leather Case 4150-1 & Starret 303R ruler
Price: USD 20.29
Condition: Used
Location: 731**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage K+E SLIDE RULE - KEUFFEL & ESSER 68-1251 - WITH CASE - Ruler
Price: USD 33.95
Condition: Used
Location: 112**
Shipping Type: FIXED
Shipping Cost: USD 9.95
Read More
Vintage Keuffel & Esser KE Slide Rule K-12 Prep Ruler #681892 Case & Manual
Price: USD 19.99
Condition: Used
Location: 957**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
KEUFFEL & ESSER K& E Ruler N4058W Ruler in Case Engineering Slide
Price: USD 15.99
Condition: Used
Location: 949**
Shipping Type: FIXED
Shipping Cost: USD 9.99
Read More
Drafting Engineer Drawing Templates Tools Curves P&E Slide Rule Rulers Set of 13
Price: USD 24.97
Condition: Used
Location: 080**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage K&E Keuffel & Esser Co. N.Y. New York Slide Rule Ruler 10.5” # 4056 Case
Price: USD 19.99
Condition: Used
Location: 110**
Shipping Type: FIXED
Shipping Cost: USD 6.99
Read More
Vintage Keuffel &Esser, K&E Slide Ruler, And Assorted Drafting Tools
Price: USD 49.95
Condition: Used
Location: 140**
Shipping Type: FIXED
Shipping Cost: USD 9.95
Read More
Keuffel & Esser Co NY Slide Ruler With Leather Case good condition
Price: USD 15.00
Condition: Used
Location: 492**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
K & E708190 slide rule, ruler with case Hard To Find
Price: USD 79.99
Condition: Used
Location: 440**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Ruler Keuffel & Esser K & E Beginner's Slide Rule 4058W 12" Vintage Engineering
Price: USD 10.00
Condition: Used
Location: 044**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage Keuffel & Esser Co.Slide Ruler N4083-3 CASE STRAP BROKE
Price: USD 17.00
Condition: Used
Location: 799**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Keuffel & Esser 1947 K&E Slide Ruler Rule 681210 RARE with Original Sheath
Price: USD 125.00
Condition: Used
Location: 900**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage K&E Keuffel & Esser 047101 Slide Ruler W/ Thick Leather Case
Price: USD 33.35
Condition: Used
Location: 179**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage Keuffel & Esser Co. NY Slide Ruler with Vinyl Case
Price: USD 14.99
Condition: Used
Location: 076**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
VTG Keuffel & Esser Co #681617 / #47051 Slide Ruler Green Leather Case Math
Price: USD 37.92
Condition: Used
Location: 908**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vtg K&E Keuffel Esser Log Log Duplex Vector Slide Ruler W/Both Magnifiers & Case
Price: USD 33.60
Condition: Used
Location: 496**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Keuffel & Esser 4088-3 Slide Ruler W/ Leather Case Made USA
Price: USD 21.00
Condition: Used
Location: 954**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Keuffel & Esser Company, 1947, DORIC K & E, Slide Rule, N9081-3 Case + Manual
Price: USD 53.10
Condition: Used
Location: 973**
Shipping Type: FIXED
Shipping Cost: USD 5.36
Read More
Vintage Keuffel & Esser K&E 4081 Log Log Duplex Decitrig Slide Ruler and Case
Price: USD 15.00
Condition: Used
Location: 301**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage 1972 Keuffel & Esser Jet-Log 68-1251 Slide Ruler w/ Leather Case & Box
Price: USD 118.74
Condition: New
Location: 060**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage Keuffel & Esser KE Co. Slide Rule K-12 Prep Ruler 681892 w/ Case, Manual
Price: USD 34.97
Condition: Used
Location: 132**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage Keuffel & Esser KE Co. Slide Rule K-12 Prep Ruler 681892 w/ Case, Manual
Price: USD 24.95
Condition: Used
Location: 160**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage Keuffel & Esser K&E 4081-3 Log Duplex Decitrig Slide Ruler and Case
Price: USD 19.99
Condition: Used
Location: 810**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage Keuffel & Esser Slide Rule model 4090-3 & original case engineering Calc
Price: USD 19.99
Condition: Used
Location: 852**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage Keuffel & Esser Slide Ruler w Hard Leather Case - Estate Tool
Price: USD 46.99
Condition: Used
Location: 475**
Shipping Type: FIXED
Shipping Cost: USD 7.45
Read More
Keuffel & Esser Co NY Slide Ruler With Leather Case #10
Price: USD 21.00
Condition: Used
Location: 074**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage Keuffel & Esser Begginer's Slide Rule 4058c Wooden Ruler c.1910-1920
Price: USD 16.95
Condition: Used
Location: 028**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage Keuffel & Esser Co New York Slide Rule Ruler 067331 4081-3 Brown Case
Price: USD 99.99
Condition: Used
Location: 982**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Keuffel & Esser K&E K+E Slide Rule with Slide 1964 681565
Price: USD 25.00
Condition: Used
Location: 611**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage Antique Keuffel And Esser K E 4088-3 Duplex Slide Rule Ruler White
Price: USD 17.97
Condition: Used
Location: 303**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Keuffel & Esser Slide Ruler With Leather Case Read
Price: USD 123.00
Condition: Used
Location: 982**
Shipping Type: FIXED
Shipping Cost: USD 9.60
Read More
K&E Keuffel & Esser 4088-3 Log Log Duplex Decitrig Slide Rule With Leather Case
Price: USD 54.99
Condition: Used
Location: 327**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage K & E Keuffel &Esser Slide Ruler with Case 4081-3
Price: USD 23.28
Condition: Used
Location: 347**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage Keuffel & Esser Co N4058W Beginners Slide Ruler with case and manual
Price: USD 24.99
Condition: Used
Location: 498**
Shipping Type: FIXED
Shipping Cost: USD 9.00
Read More
K&E Keuffel & Esser 4081-3 Log Log Duplex Decitrig Slide Rule with Leather Case
Price: USD 33.00
Condition: Used
Location: 483**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More- 1
- 2