2 VINTAGE K&E Keuffel Esser DOUBLE Slide Rule N4081-3 Log Duplex Decitrig 1947
Price: USD 34.50
Condition: Used
Location: 126**
Shipping Type: CALCULATED
Shipping Cost: USD 9.95
Read More
VINTAGE KEUFFEL & ESSER (K&E) N4081-3 SLIDE RULE LOG LOG DUPLEX DECITRIG
Price: USD 21.83
Condition: Used
Location: 992**
Shipping Type: FIXED
Shipping Cost: USD 13.00
Read More
K&E Keuffel & Esser Slide Rule Leather Sheath Case Model 4031 Vtg Engineering
Price: USD 29.99
Condition: Used
Location: 794**
Shipping Type: FIXED
Shipping Cost: USD 8.99
Read More
K & E / Keuffel & Esser 4088-1 Slide Rule Antique Calculation Device
Price: USD 17.50
Condition: Used
Location: 939**
Shipping Type: FIXED
Shipping Cost: USD 8.00
Read More
Vintage "Keuffel & Esser Co" Slide Rule with Leather Case (1924 Pat. Date)
Price: USD 20.00
Condition: Used
Location: 144**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage Keuffel & Esser Co. K&E Slide Rule 4055 With Leather Case Made in USA
Price: USD 20.00
Condition: Used
Location: 599**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage Keuffel & Esser K&E 10.5" Pocket Beginner's Slide Rule N4058W W/Case
Price: USD 14.99
Condition: Used
Location: 956**
Shipping Type: FIXED
Shipping Cost: USD 6.50
Read More
VTG K&E Keuffel Esser Model 4081-3S Log Duplex Slide Rule w/ Leather Case & Box
Price: USD 39.99
Condition: Used
Location: 604**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Keuffel & Esser K & E 4090-3 Log Log Duplex Trig Slide Rule W/ Case USA Vintage
Price: USD 29.99
Condition: Used
Location: 461**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
K&E Slide Rule Manual No. 4053 Keuffel & Esser 1954 With How To Care For Manual
Price: USD 8.99
Condition:
Location: 388**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Keuffel & Esser 4091-3 Slide Rule With Leather Case K&E Log Log Decitrig
Price: USD 34.95
Condition: Used
Location: 442**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Keuffel & Esser K+E Slide Rule 4092-3 Log Duplex Decitrig Leather Case
Price: USD 39.00
Condition: Used
Location: 970**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage Keuffel & Esser Co. 10” Slide Rule – GDC – N4053-3 – COLLECTIBLE-USEFUL
Price: USD 199.99
Condition: Used
Location: 910**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
K&E 68 1100 Slide Rule w/ Leather Case and Pamphlet Keuffel & Esser Deci Lon 10
Price: USD 119.99
Condition: Used
Location: 530**
Shipping Type: FIXED
Shipping Cost: USD 7.99
Read More
Vintage K&E Keuffel & Esser Co. 1947 Log Log Duplex Vector Slide Rule 4080-3
Price: USD 27.31
Condition: Unspecified
Location: 954**
Shipping Type:
Shipping Cost: USD
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
K&E 68 1100 Slide Rule w/ Leather Case Keuffel & Esser Deci Lon 10
Price: USD 119.00
Condition: Used
Location: 437**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
K & E Keuffel & Esser Co. 4053-3 Polyphase Slide Rule Leather Case New in Box
Price: USD 40.60
Condition: New
Location: 741**
Shipping Type: FIXED
Shipping Cost: USD 8.00
Read More
Early Keuffel & Esser K&E 4053-3 Wood Slide Rule w/ Leather Case - Pat 8/17/15
Price: USD 45.99
Condition: Used
Location: 921**
Shipping Type: FIXED
Shipping Cost: USD 9.47
Read More
Vintage Keuffel & Esser Co. K&E Slide Rule 4088-3 With Leather Case Made in USA
Price: USD 25.16
Condition: Used
Location: 920**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage Slide Rule K&E N9081-3 w/ Case
Price: USD 20.00
Condition: Used
Location: 770**
Shipping Type: FIXED
Shipping Cost: USD 10.00
Read More
K&E Polyphase Duplex Slide Rule No 4071 - Copyright 1939
Price: USD 5.00
Condition: Used
Location: 820**
Shipping Type: FIXED
Shipping Cost: USD 5.50
Read More
K&E Log Log Duplex Trig Slide Rule- 1943, No 4080
Price: USD 8.00
Condition: Used
Location: 820**
Shipping Type: FIXED
Shipping Cost: USD 5.50
Read More
K & E Slide Rule 4181-3 w/ Leather Sheath Copyright 1947 by Keuffel & Esser
Price: USD 19.60
Condition: Used
Location: 741**
Shipping Type: FIXED
Shipping Cost: USD 8.00
Read More
Vintage K & E Wood Slide Rule Keuffel & Esser Co 4058W w/ Original Vinyl Case
Price: USD 19.99
Condition: Used
Location: 553**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
K&E Keuffel & Esser 4053 Log Log Duplex Decitrig Slide Rule w/ Case
Price: USD 39.99
Condition: Used
Location: 193**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage Keuffel & Esser Co K&E 4053-3 w/Leather Case & Sterling Slide Rule
Price: USD 17.99
Condition: Used
Location: 945**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
K+E #N4081-3 LOG LOG DUPLEX DECITRIG SLIDE RULE W/LEATHER CASE (1947)
Price: USD 35.00
Condition: Used
Location: 786**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Keuffel & Esser K&E Slide Rule 4088-3 Patent 1908 w/ Leather Case
Price: USD 59.99
Condition: Used
Location: 982**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Pickett N 3-ES Power Log Exponential Metal Slide Rule + Keuffel & Esser 4088-3
Price: USD 75.00
Condition: Used
Location: 913**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Antique K&E (Keuffel Esser) 4092-3 Slide Rule w/Metal Cursor Bars Leather Case
Price: USD 89.99
Condition: Used
Location: 982**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage K&E 68-1100 Slide Rule With Leather Case Keuffel Esser Deci- Lon
Price: USD 79.99
Condition: Used
Location: 917**
Shipping Type: FIXED
Shipping Cost: USD 9.00
Read More
1947 Keuffel and Esser K&E 4081-3 Log Log Duplex Decitrig Slide Rule REAd
Price: USD 20.00
Condition: Used
Location: 820**
Shipping Type: FIXED
Shipping Cost: USD 8.00
Read More
Lot of 11 Vintage Slide Rule - Pickett, Sterling, Lietz, K & E
Price: USD 79.99
Condition: Used
Location: 871**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
K & E Slide Rule 4088-3 Stamped Dec.'08 Keuffel & Esser with Leather Sheath USA
Price: USD 32.20
Condition: Used
Location: 741**
Shipping Type: FIXED
Shipping Cost: USD 8.00
Read More
1939 K&E Slide Rule Manual No. N4083 Log Log Duplex Vector Keuffel & Esser
Price: USD 20.00
Condition: Used
Location: 030**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage K+E Keuffel & Esser Beginner's Slide Rule N4058W
Price: USD 11.69
Condition: Used
Location: 321**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage 1947 Keuffel & Esser K&E Slide Rule 4088-3 w/Leather Case USA 1928?
Price: USD 19.99
Condition: Used
Location: 430**
Shipping Type:
Shipping Cost: USD
Read More
Vintage K-E Keuffel & Esser Co Slide Rule N4058W with Case 11"L
Price: USD 22.99
Condition: Used
Location: 064**
Shipping Type: FIXED
Shipping Cost: USD 6.98
Read More
KEUFFEL & ESSER 21 1/4" Mahogany Wood Slide Rule, Pat. 1934232 in Case / Boxes
Price: USD 59.95
Condition: Used
Location: 605**
Shipping Type: FIXED
Shipping Cost: USD 9.95
Read More
K&E Slide Rule Manual Set Keuffel & Esser Log Log Duplex No. 4081 & 4083
Price: USD 27.99
Condition:
Location: 853**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
1927 Slide Rule K&E Keuffel & Esser Mannheim N4041 w/Orig. leatherette box NMINT
Price: USD 44.95
Condition: Used
Location: 483**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage KEUFFEL & ESSER K&E Beginner's Slide Rule N4058W Case
Price: USD 13.50
Condition: Used
Location: 972**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage Keuffel & Esser Co. K&E Slide Rule Leather Case Made in USA Clean White!
Price: USD 34.29
Condition: Used
Location: 711**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
VTG Keuffel & Esser K&E Favorite Slide Rule #4055 w/Hard Case - See Description
Price: USD 10.95
Condition: Used
Location: 320**
Shipping Type: FIXED
Shipping Cost: USD 7.00
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 1947 K&E Keuffel & Esser Slide Rule N4081-3 Log Duplex Decitrig USA
Price: USD 16.99
Condition: Used
Location: 063**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage Keuffel & Esser Co.( K & S Co ) Slide Rule with Leather Case U S A
Price: USD 11.99
Condition: Used
Location: 453**
Shipping Type: FIXED
Shipping Cost: USD 5.25
Read More
Vintage 1920s K & E Beginners Slide Rule 4058c Keuffel & Esser Wood - 5694
Price: USD 15.00
Condition:
Location: 173**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
1947 Keuffel and Esser K&E 4081-3 Log Log Duplex Decitrig Slide Rule W/ Box Book
Price: USD 40.00
Condition: Used
Location: 197**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
early 1930's K+E Slide Rule N4053-3 Brown Leather Case Keuffel Esser Engineering
Price: USD 19.50
Condition: Used
Location: 063**
Shipping Type:
Shipping Cost: USD
Read More
K & E 1939 Manual #4070, POLYPHASE DUPLEX TRIG Slide rule, 87 pages
Price: USD 8.95
Condition: Used
Location: 706**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage K & E Keuffel Esser Slide Rule 4080-3 Log Log Duplex Trig 1947 USA
Price: USD 29.99
Condition: Used
Location: 023**
Shipping Type: FIXED
Shipping Cost: USD 6.99
Read More
Vtg Keuffel & Esser K&E Polyphase Slide Rule N 4053-3 A Self Teaching Manual
Price: USD 10.52
Condition: Used
Location: 199**
Shipping Type: FIXED
Shipping Cost: USD 3.95
Read More
Vintage Keuffel & Esser Slide Rule 4092-3 April 1 1924
Price: USD 10.00
Condition: Used
Location: 359**
Shipping Type: FIXED
Shipping Cost: USD 6.50
Read More
K&E Keuffel & Esser Log Log Duplex Decitrig Slide Rule w/ Case
Price: USD 39.99
Condition: Used
Location: 193**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
K & E Keuffel & Esser Slide Rule Jet-Log 68 1256 Black Case & Manuel Rare
Price: USD 175.00
Condition: New
Location: 038**
Shipping Type: FIXED
Shipping Cost: USD 8.75
Read More
1947 K&E Keuffel & Esser Slide Rule N4081-3 Log Duplex Decitrig USA
Price: USD 12.00
Condition: Used
Location: 198**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
K+E Slide Rule Manual No. 4070L
Price: USD 25.00
Condition: Good
Location: 329**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage 1941 Keuffel & Esser 4053-3 Slide Rule with Magnifier and Leather Case
Price: USD 48.00
Condition: Used
Location: 220**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
1948 4th Ed K+E 4080-3 Slide Rule Black Leather Case 10" Mahogany Duplex Vintage
Price: USD 15.99
Condition: Used
Location: 063**
Shipping Type:
Shipping Cost: USD
Read More
Vintage Keuffel & Esser Slide Rule 68 1100 Deci Lon 10 K&E w/ Leather Case
Price: USD 99.99
Condition: Used
Location: 481**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
K&E Keuffel & Esser Model 4081-3 Log Log Duplex Decitrig 1947 Slide Rule w/ Case
Price: USD 34.99
Condition: Used
Location: 346**
Shipping Type: FIXED
Shipping Cost: USD 7.75
Read More
Vintage Keuffel Esser KE 4081-3 Slide Rule Log Log Duplex Decitrig Box & Book
Price: USD 40.49
Condition: Used
Location: 217**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Keuffel Esser K&E Log Log Duplex Decitrig Slide Rule Leather Case N4081-3
Price: USD 19.99
Condition: Used
Location: 245**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
K&E No N4081 Manual Log Log Duplex Decitrig Slide Rule Manual Keuffel Esser 1947
Price: USD 14.99
Condition: Used
Location: 612**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage Keuffel & Esser Slide Rule with case #4092-3
Price: USD 9.00
Condition: Used
Location: 236**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Doric K&E Keuffel & Esser 9068 Pocket Slide Rule w/ Dark Green Leather Case 9595
Price: USD 39.99
Condition: Used
Location: 346**
Shipping Type: FIXED
Shipping Cost: USD 6.50
Read More
Keuffel & Esser K&E Slide Rule # 4081-3 and Case
Price: USD 19.99
Condition: Used
Location: 773**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
VINTAGE 1947 KEUFFEL & ESSER 4181-1 SLIDE RULE WITH CASE USA
Price: USD 34.99
Condition: Used
Location: 626**
Shipping Type: FIXED
Shipping Cost: USD 4.75
Read More
Vintage SLIDE RULE: K & E N4058W Original Sleeve
Price: USD 24.99
Condition: Used
Location: 103**
Shipping Type: FIXED
Shipping Cost: USD 7.89
Read More
Keuffel & Esser 4088-3 Slide Rule Pat June 5, '00 Dec 22 1908 Leather Case
Price: USD 12.50
Condition:
Location: 130**
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
K&E KEUFFEL & ESSER CO NY SLIDE RULE IN LEATHER CASE 4088-3 ANTIQUE VINTAGE
Price: USD 17.99
Condition: Used
Location: 920**
Shipping Type: FIXED
Shipping Cost: USD 5.75
Read More
Vintage 1936 Keuffel & Esser (K&E 4090-3S) Log Log Trig Slide Rule, Book & Box
Price: USD 44.99
Condition: Used
Location: 150**
Shipping Type:
Shipping Cost: USD
Read More
VTG K & E #4183B BELT CARRIER FOR SLIDE RULE CASES *BOX & PAPERWORK ONLY*
Price: USD 12.79
Condition: Used
Location: 988**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage Keuffel & Esser Co. K&E Slide Rule 4081-3 Made in USA 151500
Price: USD 14.95
Condition: Used
Location: 327**
Shipping Type: FIXED
Shipping Cost: USD 5.99
Read More
VINTAGE K&E Keuffel & Esser Slide Rule 4095-3, USA W Manual & Case
Price: USD 24.95
Condition: Unspecified
Location: 299**
Shipping Type: FIXED
Shipping Cost: USD 8.95
Read More
VTG RARE 1947 K&E Slide Rule 4081-3 LOG LOG DUPLEX DECITRIG KEUFFEL & KESSER CO.
Price: USD 54.95
Condition: Used
Location: 270**
Shipping Type: FIXED
Shipping Cost: USD 8.50
Read More
1947 K&E Slide Rule Manual No. N4081 Log Log Duplex Decitrig Keuffel & Esser
Price: USD 20.00
Condition: Used
Location: 030**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
K+E 4081-3S Slide Rule With Original Box And Leather Case
Price: USD 40.00
Condition: Used
Location: 949**
Shipping Type: FIXED
Shipping Cost: USD 10.00
Read More
Vtg K&E Keuffel Esser Co Log Log Duplex Decitrig Slide Rule 4081-3S Leather Case
Price: USD 52.99
Condition: Used
Location: 017**
Shipping Type: FIXED
Shipping Cost: USD 8.00
Read More
Vintage KEUFFEL ESSER K&E Favorite Slide Rule 4055 in Original Case
Price: USD 19.50
Condition: Used
Location: 327**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage K&E Keuffel & Esser Co. Beginners Slide Rule 4058W N4058W W/ Case
Price: USD 13.30
Condition: Used
Location: 146**
Shipping Type: FIXED
Shipping Cost: USD 5.49
Read More
Keuffel & Esser K+E Slide Rule 4081-3 Log Log Duplex Decitrig 1947 Leather Case
Price: USD 34.95
Condition: Used
Location: 973**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage Keuffel & Esser NY 4056 K&E Favorite Rule Slide Rule w/Case USA B
Price: USD 19.95
Condition: Used
Location: 544**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
VINTAGE K&E KEUFFEL & ESSER SLIDE RULE No.4088-3 WITH ORIGINAL CASE MADE IN USA
Price: USD 19.99
Condition: Used
Location: 082**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
Vintage Keuffel & Esser NY 4056 K&E Favorite Rule Slide Rule w/Case Made in USA
Price: USD 5.00
Condition: Used
Location: 970**
Shipping Type: FIXED
Shipping Cost: USD 10.00
Read More
Vintage Keuffel & Esser K+E Slide Rule 4088-3 with Leather Case -
Price: USD 14.39
Condition: Used
Location: 014**
Shipping Type: FIXED
Shipping Cost: USD 4.75
Read More
Vintage K E Keuffel & Esser Co Slide Rule - N4081-3S - With Leather Case and Box
Price: USD 19.99
Condition: Used
Location: 024**
Shipping Type: FIXED
Shipping Cost: USD 8.99
Read More
K&E No. 4081 Slide Rule Manual Log Log Duplex Decitrig Keuffel & Esser 1955
Price: USD 17.99
Condition: Used
Location: 077**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage Keuffel & Esser K&E Beginner's Wooden Slide Rule 4058C With Original Box
Price: USD 7.49
Condition: Used
Location: 068**
Shipping Type: FIXED
Shipping Cost: USD 6.95
Read More
K&E N68 2047 w/ Manual Log Duplex Decitrig Slide Rule in Box In Leather Case
Price: USD 65.00
Condition: Used
Location: 757**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
Vintage Keuffel & Esser Co NY Slide Rule With Case K&E 4092-3 Log Log Duplex
Price: USD 25.00
Condition: Used
Location: 446**
Shipping Type:
Shipping Cost: USD
Read More
Keuffel and Esser Beginners Slide Rule N4058W K&E Made in USA with Original Case
Price: USD 9.95
Condition: Used
Location: 907**
Shipping Type:
Shipping Cost: USD
Read More
Vintage 1939 K&E Slide Rule 4081-3 LOG LOG DUPLEX DECITRIG KEUFFEL & KESSER CO.
Price: USD 69.00
Condition: Used
Location: 918**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More
VINTAGE KEUFFEL & ESSER K&E MODEL 4081-3 LOG LOG SLIDE RULE IN CASE NICE
Price: USD 39.95
Condition: Used
Location: 220**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More
VTG Favorite K & E Co. Keuffel Esser 4055 Mannheim Slide Rule W/ Leather Case
Price: USD 25.00
Condition: Used
Location: 271**
Shipping Type:
Shipping Cost: USD
Read More
Vintage Keuffel & Esser Co. 68-1220 Log Log Duplex Decitrig Slide Rule/Manual
Price: USD 39.95
Condition: Used
Location: 322**
Shipping Type: FIXED
Shipping Cost: USD 7.95
Read More
K&E Keuffel & Esser 4181-3 Slide Rule with Black Leather Case
Price: USD 29.99
Condition: Used
Location: 921**
Shipping Type: FIXED
Shipping Cost: USD 12.74
Read More